/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --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_spec1_product49.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:41:39,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:41:39,809 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:41:39,846 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:41:39,847 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:41:39,848 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:41:39,850 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:41:39,852 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:41:39,855 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:41:39,856 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:41:39,857 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:41:39,859 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:41:39,859 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:41:39,860 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:41:39,862 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:41:39,863 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:41:39,864 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:41:39,865 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:41:39,873 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:41:39,890 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:41:39,892 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:41:39,894 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:41:39,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:41:39,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:41:39,900 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:41:39,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:41:39,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:41:39,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:41:39,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:41:39,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:41:39,904 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:41:39,905 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:41:39,906 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:41:39,907 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:41:39,908 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:41:39,908 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:41:39,909 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:41:39,910 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:41:39,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:41:39,911 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:41:39,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:41:39,913 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 [2020-10-28 16:41:39,941 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:41:39,942 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:41:39,943 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:41:39,943 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:41:39,944 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:41:39,944 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:41:39,944 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:41:39,944 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:41:39,945 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:41:39,945 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:41:39,945 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:41:39,945 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:41:39,945 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:41:39,946 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:41:39,946 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:41:39,946 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:41:39,946 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:41:39,947 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:41:39,947 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:41:39,947 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:41:39,947 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:41:39,947 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:41:39,948 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:41:39,948 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:41:39,948 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:41:39,948 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:41:39,948 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:41:39,949 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:41:39,949 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:41:39,949 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:41:40,358 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:41:40,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:41:40,397 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:41:40,398 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:41:40,399 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:41:40,402 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product49.cil.c [2020-10-28 16:41:40,495 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3bfde5148/bd4913278c2b4701a0216791a95e3063/FLAG5c71efc17 [2020-10-28 16:41:41,234 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:41:41,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product49.cil.c [2020-10-28 16:41:41,256 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3bfde5148/bd4913278c2b4701a0216791a95e3063/FLAG5c71efc17 [2020-10-28 16:41:41,514 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3bfde5148/bd4913278c2b4701a0216791a95e3063 [2020-10-28 16:41:41,517 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:41:41,523 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:41:41,525 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:41:41,525 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:41:41,529 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:41:41,530 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:41:41" (1/1) ... [2020-10-28 16:41:41,533 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52d7cd02 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:41, skipping insertion in model container [2020-10-28 16:41:41,534 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:41:41" (1/1) ... [2020-10-28 16:41:41,542 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:41:41,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:41:41,983 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:41:42,009 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:41:42,162 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:41:42,199 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:41:42,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:42 WrapperNode [2020-10-28 16:41:42,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:41:42,201 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:41:42,201 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:41:42,202 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:41:42,217 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:42" (1/1) ... [2020-10-28 16:41:42,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:42" (1/1) ... [2020-10-28 16:41:42,240 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:42" (1/1) ... [2020-10-28 16:41:42,240 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:42" (1/1) ... [2020-10-28 16:41:42,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:42" (1/1) ... [2020-10-28 16:41:42,280 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:42" (1/1) ... [2020-10-28 16:41:42,289 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:42" (1/1) ... [2020-10-28 16:41:42,307 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:41:42,308 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:41:42,309 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:41:42,309 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:41:42,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:42" (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 [2020-10-28 16:41:42,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:41:42,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:41:42,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:41:42,409 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:41:42,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:41:42,410 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:41:42,410 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:41:42,411 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:41:42,411 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:41:42,411 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:41:42,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:41:42,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:41:42,412 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:41:42,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:41:42,413 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:41:42,414 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:41:42,414 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:41:42,414 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:41:42,414 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-28 16:41:42,415 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:41:42,415 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:41:42,415 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:41:42,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:41:42,415 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:41:42,415 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:41:42,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-28 16:41:42,416 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-28 16:41:42,416 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:41:42,416 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:41:42,416 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:41:42,416 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:41:42,416 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:41:42,417 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:41:42,417 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:41:42,417 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:41:42,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:41:42,417 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:41:42,417 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:41:42,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-28 16:41:42,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-28 16:41:42,418 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:41:42,418 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:41:42,418 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:41:42,418 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:41:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:41:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:41:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:41:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:41:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:41:42,419 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:41:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:41:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:41:42,420 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:41:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:41:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:41:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:41:42,421 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:41:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:41:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:41:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:41:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:41:42,422 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:41:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:41:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:41:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:41:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:41:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:41:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:41:42,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:41:42,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:41:42,424 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:41:42,424 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:41:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:41:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:41:42,426 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:41:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:41:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:41:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:41:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:41:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:41:42,427 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:41:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-28 16:41:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-28 16:41:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:41:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:41:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:41:42,428 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:41:42,429 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-28 16:41:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-28 16:41:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-28 16:41:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:41:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:41:42,430 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:41:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:41:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:41:42,431 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:41:43,795 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:41:43,796 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:41:43,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:41:43 BoogieIcfgContainer [2020-10-28 16:41:43,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:41:43,801 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:41:43,801 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:41:43,805 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:41:43,806 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:41:41" (1/3) ... [2020-10-28 16:41:43,807 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4438701d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:41:43, skipping insertion in model container [2020-10-28 16:41:43,807 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:41:42" (2/3) ... [2020-10-28 16:41:43,808 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4438701d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:41:43, skipping insertion in model container [2020-10-28 16:41:43,808 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:41:43" (3/3) ... [2020-10-28 16:41:43,810 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product49.cil.c [2020-10-28 16:41:43,840 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:41:43,846 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:41:43,861 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:41:43,896 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:41:43,896 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:41:43,899 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:41:43,899 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:41:43,899 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:41:43,900 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:41:43,900 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:41:43,900 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:41:43,932 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2020-10-28 16:41:43,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 16:41:43,944 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:41:43,945 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:41:43,946 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]=== [2020-10-28 16:41:43,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:41:43,954 INFO L82 PathProgramCache]: Analyzing trace with hash 1882795293, now seen corresponding path program 1 times [2020-10-28 16:41:43,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:41:43,971 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861051189] [2020-10-28 16:41:43,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:41:44,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:44,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:44,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:44,647 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:46,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:46,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:49,289 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:49,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 16:41:49,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:41:49,292 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 16:41:49,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:49,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:49,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:49,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 16:41:49,303 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:49,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-28 16:41:49,752 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:41:49,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:41:49,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:49,772 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:49,809 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:49,809 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:49,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:49,810 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-28 16:41:49,810 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:49,810 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:49,810 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:49,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:49,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:49,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:49,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:41:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:49,835 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:49,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:49,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:49,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:49,837 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:49,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:49,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:49,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:49,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:49,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:49,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:49,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:41:49,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:49,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:49,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:49,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:49,848 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:49,848 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:49,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:49,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:49,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:49,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:49,849 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:49,849 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:49,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:41:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:49,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:49,854 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:49,854 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:49,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:49,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:49,855 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:49,855 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:49,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:49,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:49,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:49,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:49,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:41:49,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:49,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:49,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:49,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:49,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:49,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:49,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:49,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:49,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:49,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:49,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:49,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:49,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 16:41:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:49,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:49,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:49,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:49,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:49,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:49,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:49,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:49,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:49,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:49,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:49,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:49,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:41:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:49,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:49,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:49,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:49,876 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:49,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:49,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:49,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:49,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:49,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:49,877 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:49,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:49,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:41:49,900 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [861051189] [2020-10-28 16:41:49,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:41:49,906 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 16:41:49,906 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982002144] [2020-10-28 16:41:49,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 16:41:49,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:41:49,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 16:41:49,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:41:49,938 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 3 states. [2020-10-28 16:41:51,363 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:41:51,363 INFO L93 Difference]: Finished difference Result 302 states and 394 transitions. [2020-10-28 16:41:51,364 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 16:41:51,366 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-28 16:41:51,366 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:41:51,380 INFO L225 Difference]: With dead ends: 302 [2020-10-28 16:41:51,381 INFO L226 Difference]: Without dead ends: 161 [2020-10-28 16:41:51,386 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:41:51,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-10-28 16:41:51,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 129. [2020-10-28 16:41:51,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-10-28 16:41:51,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 151 transitions. [2020-10-28 16:41:51,487 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 151 transitions. Word has length 47 [2020-10-28 16:41:51,488 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:41:51,488 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 151 transitions. [2020-10-28 16:41:51,488 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 16:41:51,488 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 151 transitions. [2020-10-28 16:41:51,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 16:41:51,492 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:41:51,492 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] [2020-10-28 16:41:51,492 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:41:51,493 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]=== [2020-10-28 16:41:51,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:41:51,494 INFO L82 PathProgramCache]: Analyzing trace with hash 389509615, now seen corresponding path program 1 times [2020-10-28 16:41:51,494 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:41:51,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [861531361] [2020-10-28 16:41:51,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:41:51,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:51,555 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:51,619 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:51,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:52,992 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:53,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:56,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:56,544 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 16:41:56,544 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:41:56,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 16:41:56,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:56,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:56,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:56,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:56,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 16:41:56,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:56,987 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:41:56,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:41:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:57,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:57,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:57,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:57,164 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:57,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 135 [2020-10-28 16:41:57,165 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:57,165 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:57,165 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:57,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:57,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:41:57,166 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:57,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:41:57,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:57,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:57,214 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:57,214 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:57,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:57,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:41:57,215 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:57,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:57,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:57,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:57,219 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:41:57,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 16:41:57,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:41:57,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:57,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:57,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:57,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:57,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:57,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:41:57,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:57,230 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:57,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:57,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:57,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:41:57,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:57,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:41:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:57,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:57,244 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:57,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:57,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:57,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:41:57,245 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:57,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:57,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:57,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:57,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:41:57,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:57,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:41:57,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:57,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:57,255 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:57,255 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:57,256 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:57,256 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:41:57,256 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:57,257 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:57,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:57,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:57,257 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:41:57,258 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:57,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:41:57,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:57,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:57,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:57,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:57,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:57,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:41:57,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:57,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:57,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:57,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:57,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:57,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:57,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:41:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:57,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:57,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:57,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:57,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:57,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:57,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:57,284 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:57,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:57,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:57,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:57,285 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:57,300 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:41:57,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [861531361] [2020-10-28 16:41:57,301 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:41:57,301 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:41:57,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153110705] [2020-10-28 16:41:57,308 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:41:57,309 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:41:57,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:41:57,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:41:57,310 INFO L87 Difference]: Start difference. First operand 129 states and 151 transitions. Second operand 5 states. [2020-10-28 16:41:57,840 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:41:59,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:41:59,203 INFO L93 Difference]: Finished difference Result 266 states and 334 transitions. [2020-10-28 16:41:59,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:41:59,204 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-10-28 16:41:59,205 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:41:59,207 INFO L225 Difference]: With dead ends: 266 [2020-10-28 16:41:59,208 INFO L226 Difference]: Without dead ends: 161 [2020-10-28 16:41:59,210 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:41:59,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2020-10-28 16:41:59,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 129. [2020-10-28 16:41:59,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-10-28 16:41:59,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 150 transitions. [2020-10-28 16:41:59,271 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 150 transitions. Word has length 48 [2020-10-28 16:41:59,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:41:59,271 INFO L481 AbstractCegarLoop]: Abstraction has 129 states and 150 transitions. [2020-10-28 16:41:59,271 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:41:59,272 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 150 transitions. [2020-10-28 16:41:59,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-28 16:41:59,275 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:41:59,275 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] [2020-10-28 16:41:59,275 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:41:59,275 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]=== [2020-10-28 16:41:59,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:41:59,276 INFO L82 PathProgramCache]: Analyzing trace with hash 1405627089, now seen corresponding path program 1 times [2020-10-28 16:41:59,276 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:41:59,277 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1262204893] [2020-10-28 16:41:59,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:41:59,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:59,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:59,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:59,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:01,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:03,535 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:03,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:03,795 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:04,317 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:04,318 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-28 16:42:04,318 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 16:42:04,318 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-28 16:42:04,318 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:04,319 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:04,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 16:42:04,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-28 16:42:04,319 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 16:42:04,319 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:04,707 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:42:04,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:42:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:04,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:04,746 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:04,747 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:04,747 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:04,747 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 16:42:04,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:04,748 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:04,748 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:04,748 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:04,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:42:04,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:04,763 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:04,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:04,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:04,764 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:04,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:04,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:04,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:04,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:04,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:04,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:04,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:04,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:42:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:04,768 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:04,769 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:04,769 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:04,769 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:04,769 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:04,770 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:04,770 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:04,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:04,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:04,770 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:04,771 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:04,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:42:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:04,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:04,774 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:04,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:04,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:04,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:04,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:04,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:04,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:04,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:04,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:04,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:04,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:42:04,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:04,778 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:04,779 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:04,779 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:04,779 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:04,780 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:04,780 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:04,780 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:04,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:04,780 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:04,781 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:04,781 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:04,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 16:42:04,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:04,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:04,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:04,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:04,808 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 16:42:04,808 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:42:04,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-28 16:42:04,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:04,809 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:04,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 16:42:04,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 16:42:04,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 16:42:04,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:04,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:04,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:04,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:04,830 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:04,830 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:42:04,830 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:04,830 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:42:04,831 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:04,831 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:04,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:42:04,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 16:42:04,831 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 16:42:04,832 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:04,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:04,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:04,836 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:04,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:04,838 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:04,838 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:04,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:04,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:04,838 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:04,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:04,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:04,839 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:42:04,839 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:04,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 16:42:04,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:04,843 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:04,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:04,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:04,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:04,844 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:04,844 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:04,845 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:04,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:04,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:04,845 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:04,845 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:04,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 16:42:04,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:04,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:04,849 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:04,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:04,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:04,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:04,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:04,850 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:04,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:04,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:04,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:04,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:04,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:42:04,863 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1262204893] [2020-10-28 16:42:04,863 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:42:04,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:42:04,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268318174] [2020-10-28 16:42:04,864 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:42:04,864 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:42:04,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:42:04,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:42:04,865 INFO L87 Difference]: Start difference. First operand 129 states and 150 transitions. Second operand 6 states. [2020-10-28 16:42:05,415 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:42:07,052 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:42:08,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:42:08,804 INFO L93 Difference]: Finished difference Result 393 states and 517 transitions. [2020-10-28 16:42:08,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 16:42:08,805 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 65 [2020-10-28 16:42:08,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:42:08,815 INFO L225 Difference]: With dead ends: 393 [2020-10-28 16:42:08,816 INFO L226 Difference]: Without dead ends: 288 [2020-10-28 16:42:08,820 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:42:08,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 288 states. [2020-10-28 16:42:08,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 288 to 221. [2020-10-28 16:42:08,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 221 states. [2020-10-28 16:42:08,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 221 states and 264 transitions. [2020-10-28 16:42:08,919 INFO L78 Accepts]: Start accepts. Automaton has 221 states and 264 transitions. Word has length 65 [2020-10-28 16:42:08,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:42:08,920 INFO L481 AbstractCegarLoop]: Abstraction has 221 states and 264 transitions. [2020-10-28 16:42:08,920 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:42:08,920 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 264 transitions. [2020-10-28 16:42:08,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2020-10-28 16:42:08,923 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:42:08,923 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] [2020-10-28 16:42:08,924 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:42:08,924 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]=== [2020-10-28 16:42:08,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:42:08,924 INFO L82 PathProgramCache]: Analyzing trace with hash -445972149, now seen corresponding path program 1 times [2020-10-28 16:42:08,925 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:42:08,925 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1825848034] [2020-10-28 16:42:08,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:42:08,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:08,969 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:09,001 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:09,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:09,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:09,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:11,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:13,965 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:13,965 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 117 [2020-10-28 16:42:13,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:42:13,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 16:42:13,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:13,966 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:13,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:13,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:42:13,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:42:13,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:14,411 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:42:14,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:42:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:14,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:14,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:14,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:14,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:14,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 16:42:14,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:14,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:14,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:14,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:14,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:14,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:14,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:42:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:14,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:14,469 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:14,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:14,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:14,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:14,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:14,469 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:14,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:14,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:14,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:14,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:14,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:42:14,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:14,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:14,473 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:14,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:14,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:14,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:14,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:14,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:14,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:14,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:14,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:14,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:14,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:42:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:14,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:14,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:14,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:14,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:14,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:14,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:14,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:14,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:14,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:14,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:14,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:14,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:42:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:14,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:14,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:14,484 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:14,484 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:14,484 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:14,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:14,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:14,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:14,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:14,485 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:14,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:14,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 16:42:14,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:14,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:14,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:14,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 16:42:14,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:14,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 16:42:14,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:14,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:14,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:14,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 36 [2020-10-28 16:42:14,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:14,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:14,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:14,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:14,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:14,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:14,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 16:42:14,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:14,529 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:42:14,529 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:14,529 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:14,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:14,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:14,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:14,530 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:14,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:14,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:14,537 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:14,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:42:14,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:14,538 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:42:14,538 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:14,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:14,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:14,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:14,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:14,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:14,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:14,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:14,544 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:14,545 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:42:14,545 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:14,545 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:14,545 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:14,545 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:14,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:14,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:14,546 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:14,546 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:14,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:42:14,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:14,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:14,550 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:14,550 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:14,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:14,551 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:14,551 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:14,551 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:14,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:14,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:14,552 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:14,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:14,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 60 [2020-10-28 16:42:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:14,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:14,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:14,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:14,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:14,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:14,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:14,558 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:14,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:14,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:14,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2020-10-28 16:42:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:14,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:14,562 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:14,562 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:14,563 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:14,563 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:14,563 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:14,563 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:14,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:14,563 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:14,564 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:14,564 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:14,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:42:14,577 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1825848034] [2020-10-28 16:42:14,577 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:42:14,578 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:42:14,578 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142690477] [2020-10-28 16:42:14,578 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:42:14,579 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:42:14,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:42:14,579 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:42:14,580 INFO L87 Difference]: Start difference. First operand 221 states and 264 transitions. Second operand 5 states. [2020-10-28 16:42:15,215 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:42:16,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:42:16,528 INFO L93 Difference]: Finished difference Result 392 states and 467 transitions. [2020-10-28 16:42:16,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 16:42:16,529 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 75 [2020-10-28 16:42:16,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:42:16,532 INFO L225 Difference]: With dead ends: 392 [2020-10-28 16:42:16,534 INFO L226 Difference]: Without dead ends: 231 [2020-10-28 16:42:16,536 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 16:42:16,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-10-28 16:42:16,632 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 196. [2020-10-28 16:42:16,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-10-28 16:42:16,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 223 transitions. [2020-10-28 16:42:16,635 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 223 transitions. Word has length 75 [2020-10-28 16:42:16,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:42:16,635 INFO L481 AbstractCegarLoop]: Abstraction has 196 states and 223 transitions. [2020-10-28 16:42:16,635 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:42:16,635 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 223 transitions. [2020-10-28 16:42:16,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-28 16:42:16,637 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:42:16,637 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] [2020-10-28 16:42:16,638 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:42:16,638 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]=== [2020-10-28 16:42:16,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:42:16,639 INFO L82 PathProgramCache]: Analyzing trace with hash 568003795, now seen corresponding path program 1 times [2020-10-28 16:42:16,639 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:42:16,639 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1242622231] [2020-10-28 16:42:16,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:42:16,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:16,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:17,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:17,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:17,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:18,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:21,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:21,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-28 16:42:21,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:42:21,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4598 [2020-10-28 16:42:21,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:21,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:42:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-28 16:42:21,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-28 16:42:21,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:21,712 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:42:21,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:42:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:21,745 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:21,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:21,799 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:21,799 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:21,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-28 16:42:21,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:21,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:21,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:21,800 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:21,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:21,804 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 16:42:21,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:42:21,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:21,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:21,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:21,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:21,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:21,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:21,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:21,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:21,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:21,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:21,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:21,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:21,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:42:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:21,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:21,845 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:21,845 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:21,845 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:21,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:21,846 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:21,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:21,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:21,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:21,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:21,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:21,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:42:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:21,849 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:21,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:21,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:21,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:21,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:21,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:21,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:21,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:21,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:21,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:21,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:21,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:42:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:21,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:21,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:21,855 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:21,855 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:21,855 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:21,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:21,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:21,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:21,856 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:21,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 16:42:21,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:21,874 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:21,877 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:21,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:21,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 16:42:21,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:42:21,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 16:42:21,897 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:21,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:21,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 16:42:21,898 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:21,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:21,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:21,912 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:21,912 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 16:42:21,912 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:21,912 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:42:21,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:21,913 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:21,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:21,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:21,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:42:21,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:21,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:21,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:21,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:21,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:21,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:42:21,927 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:21,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:42:21,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:21,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:21,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:21,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:21,928 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 16:42:21,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:21,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:21,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:21,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:21,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:42:21,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:21,933 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:21,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:21,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:21,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:21,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:21,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:42:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:21,938 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:21,940 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:21,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:21,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:21,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:42:21,941 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:21,941 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:21,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:21,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:21,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:42:21,942 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:21,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 16:42:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:21,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:21,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:21,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:21,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:21,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:42:21,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:21,951 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:21,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:21,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:21,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:21,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:21,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 16:42:21,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:21,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:21,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:21,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:21,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:21,961 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:42:21,961 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:21,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:21,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:42:21,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:21,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:21,962 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:22,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:42:22,014 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1242622231] [2020-10-28 16:42:22,014 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:42:22,014 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:42:22,014 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24581042] [2020-10-28 16:42:22,016 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:42:22,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:42:22,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:42:22,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:42:22,018 INFO L87 Difference]: Start difference. First operand 196 states and 223 transitions. Second operand 8 states. [2020-10-28 16:42:22,631 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:42:24,069 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:42:24,522 WARN L193 SmtUtils]: Spent 406.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:42:25,034 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:42:25,517 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:42:25,913 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:42:26,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:42:26,896 INFO L93 Difference]: Finished difference Result 241 states and 290 transitions. [2020-10-28 16:42:26,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 16:42:26,897 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-10-28 16:42:26,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:42:26,900 INFO L225 Difference]: With dead ends: 241 [2020-10-28 16:42:26,900 INFO L226 Difference]: Without dead ends: 237 [2020-10-28 16:42:26,901 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-28 16:42:26,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-10-28 16:42:26,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 196. [2020-10-28 16:42:26,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-10-28 16:42:26,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 222 transitions. [2020-10-28 16:42:26,976 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 222 transitions. Word has length 79 [2020-10-28 16:42:26,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:42:26,977 INFO L481 AbstractCegarLoop]: Abstraction has 196 states and 222 transitions. [2020-10-28 16:42:26,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:42:26,977 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 222 transitions. [2020-10-28 16:42:26,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 16:42:26,979 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:42:26,979 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] [2020-10-28 16:42:26,979 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:42:26,979 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]=== [2020-10-28 16:42:26,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:42:26,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1588468913, now seen corresponding path program 1 times [2020-10-28 16:42:26,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:42:26,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1947499629] [2020-10-28 16:42:26,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:42:27,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:27,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:27,059 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:29,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:29,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 16:42:29,841 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:42:29,841 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2832 [2020-10-28 16:42:29,841 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:29,841 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:29,841 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:42:29,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-28 16:42:29,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:42:29,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:30,214 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:42:30,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:42:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:30,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:30,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:30,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:30,252 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:30,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 16:42:30,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:30,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:30,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:30,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:30,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:30,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:30,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:42:30,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:30,267 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:30,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:30,268 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:30,268 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:30,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:30,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:30,269 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:30,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:30,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:30,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:42:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:30,272 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:30,272 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:30,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:30,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:30,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:30,273 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:30,273 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:30,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:30,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:30,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:30,274 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:30,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:42:30,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:30,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:30,277 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:30,277 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:30,277 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:30,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:30,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:30,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:30,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:30,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:30,278 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:30,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:30,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:42:30,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:30,280 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:30,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:30,281 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:30,281 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:30,281 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:42:30,281 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:30,281 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:30,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:30,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:30,282 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:30,282 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:30,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 16:42:30,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:30,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:30,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:30,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 16:42:30,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:30,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 16:42:30,310 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:30,310 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:30,310 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:42:30,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 16:42:30,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:42:30,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:30,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:30,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:30,319 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:30,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:30,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 16:42:30,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:30,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-28 16:42:30,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:30,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:30,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:42:30,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 16:42:30,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:42:30,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:30,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:30,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:30,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:30,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:42:30,387 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:30,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 16:42:30,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:30,388 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:30,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:42:30,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:30,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 16:42:30,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:30,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:30,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:30,423 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:30,424 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:30,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:42:30,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:30,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:30,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:30,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:30,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:30,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:30,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:30,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:30,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:42:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:30,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:30,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:30,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:30,430 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:30,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:30,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:30,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:30,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:30,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:30,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:30,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:30,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 16:42:30,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:30,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:30,436 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:30,436 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:30,436 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:30,436 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:30,437 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:30,437 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:30,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:30,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:30,437 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:30,437 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:30,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 16:42:30,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:30,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:30,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:30,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:30,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:30,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:30,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:30,442 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:30,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:30,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:30,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:30,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:30,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:42:30,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1947499629] [2020-10-28 16:42:30,458 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:42:30,459 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:42:30,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [673992212] [2020-10-28 16:42:30,459 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:42:30,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:42:30,460 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:42:30,460 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:42:30,460 INFO L87 Difference]: Start difference. First operand 196 states and 222 transitions. Second operand 8 states. [2020-10-28 16:42:31,729 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:42:32,153 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:42:32,573 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:42:32,946 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:42:33,999 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:42:33,999 INFO L93 Difference]: Finished difference Result 408 states and 488 transitions. [2020-10-28 16:42:34,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 16:42:34,000 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-10-28 16:42:34,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:42:34,003 INFO L225 Difference]: With dead ends: 408 [2020-10-28 16:42:34,003 INFO L226 Difference]: Without dead ends: 236 [2020-10-28 16:42:34,004 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-28 16:42:34,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-28 16:42:34,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 201. [2020-10-28 16:42:34,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 201 states. [2020-10-28 16:42:34,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 227 transitions. [2020-10-28 16:42:34,061 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 227 transitions. Word has length 80 [2020-10-28 16:42:34,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:42:34,062 INFO L481 AbstractCegarLoop]: Abstraction has 201 states and 227 transitions. [2020-10-28 16:42:34,062 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:42:34,062 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 227 transitions. [2020-10-28 16:42:34,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 16:42:34,063 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:42:34,063 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] [2020-10-28 16:42:34,063 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 16:42:34,064 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]=== [2020-10-28 16:42:34,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:42:34,064 INFO L82 PathProgramCache]: Analyzing trace with hash -2004898509, now seen corresponding path program 1 times [2020-10-28 16:42:34,064 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:42:34,065 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [180810542] [2020-10-28 16:42:34,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:42:34,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:34,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:34,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:36,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:36,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 16:42:36,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:42:36,320 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2230 [2020-10-28 16:42:36,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:36,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:36,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:42:36,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-28 16:42:36,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:36,321 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:36,746 WARN L193 SmtUtils]: Spent 394.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:42:36,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:42:36,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:36,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:36,801 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:36,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:36,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:36,802 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-28 16:42:36,802 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:36,802 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:36,802 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:36,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:36,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:36,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:36,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:42:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:36,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:36,821 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:36,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:36,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:36,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:36,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:36,822 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:36,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:36,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:36,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:36,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:36,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:42:36,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:36,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:36,827 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:36,827 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:36,828 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:36,828 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:36,828 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:36,828 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:36,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:36,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:36,829 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:36,829 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:36,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:42:36,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:36,832 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:36,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:36,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:36,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:36,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:36,834 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:36,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:36,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:36,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:36,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:36,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:36,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:42:36,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:36,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:36,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:36,842 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:36,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:36,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:42:36,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:36,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:36,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:36,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:36,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:36,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:36,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 16:42:36,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:36,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:36,881 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:36,881 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 16:42:36,881 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:36,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 16:42:36,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:36,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:36,882 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:42:36,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 16:42:36,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:36,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:36,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:36,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:36,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:36,921 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:36,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 16:42:36,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:36,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 16:42:36,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:36,922 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:36,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:42:36,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 16:42:36,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:36,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:36,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:36,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:36,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:36,939 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:36,940 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:42:36,940 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:36,940 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 16:42:36,940 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:36,940 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:36,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:42:36,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:42:36,941 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:36,941 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:36,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:36,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:36,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:36,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:36,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:42:36,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:36,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:42:36,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:36,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:36,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:42:36,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:36,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:36,987 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 16:42:37,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:42:37,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:37,017 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:37,018 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:37,018 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:37,018 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:37,019 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:37,019 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:37,019 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:37,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:37,019 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:37,020 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:37,020 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:37,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 16:42:37,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:37,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:37,029 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:37,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:37,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:37,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:37,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:37,029 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:37,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:37,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:37,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:37,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:37,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 16:42:37,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:37,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:37,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:37,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:37,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:37,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:37,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:37,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:37,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:37,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:37,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:37,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:37,053 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:42:37,054 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [180810542] [2020-10-28 16:42:37,054 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:42:37,054 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 16:42:37,055 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203973307] [2020-10-28 16:42:37,056 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 16:42:37,056 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:42:37,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 16:42:37,058 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-28 16:42:37,058 INFO L87 Difference]: Start difference. First operand 201 states and 227 transitions. Second operand 7 states. [2020-10-28 16:42:38,158 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:42:38,577 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:42:38,968 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:42:40,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:42:40,013 INFO L93 Difference]: Finished difference Result 420 states and 507 transitions. [2020-10-28 16:42:40,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 16:42:40,014 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 80 [2020-10-28 16:42:40,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:42:40,017 INFO L225 Difference]: With dead ends: 420 [2020-10-28 16:42:40,017 INFO L226 Difference]: Without dead ends: 243 [2020-10-28 16:42:40,019 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 16:42:40,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2020-10-28 16:42:40,070 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 205. [2020-10-28 16:42:40,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 205 states. [2020-10-28 16:42:40,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 231 transitions. [2020-10-28 16:42:40,072 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 231 transitions. Word has length 80 [2020-10-28 16:42:40,072 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:42:40,072 INFO L481 AbstractCegarLoop]: Abstraction has 205 states and 231 transitions. [2020-10-28 16:42:40,072 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 16:42:40,072 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 231 transitions. [2020-10-28 16:42:40,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 16:42:40,073 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:42:40,074 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] [2020-10-28 16:42:40,074 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 16:42:40,074 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]=== [2020-10-28 16:42:40,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:42:40,074 INFO L82 PathProgramCache]: Analyzing trace with hash -279417612, now seen corresponding path program 1 times [2020-10-28 16:42:40,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:42:40,075 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1576458693] [2020-10-28 16:42:40,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:42:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:40,113 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:40,297 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:41,970 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:41,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 16:42:41,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:42:41,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1872 [2020-10-28 16:42:41,971 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:41,971 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:41,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-28 16:42:41,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:41,971 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-28 16:42:41,972 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,451 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:42:42,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:42:42,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,573 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,574 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:42,574 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,574 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 102 [2020-10-28 16:42:42,574 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,575 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:42,575 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,576 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:42:42,576 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:42,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:42:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,600 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,602 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,602 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:42,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:42,603 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,603 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:42,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:42:42,604 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:42,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:42:42,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,607 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,608 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,608 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:42,608 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,608 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:42,608 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,609 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:42,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,609 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:42:42,610 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:42,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:42:42,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:42,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:42:42,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:42,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:42,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:42,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:42:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,622 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:42,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:42,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:42,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:42:42,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:42,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 16:42:42,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,658 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 16:42:42,658 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,658 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 16:42:42,658 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,658 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:42,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,659 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 16:42:42,659 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:42,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,665 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 16:42:42,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,670 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:42:42,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,671 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,671 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:42,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:42:42,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,678 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:42:42,678 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:42,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:42,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,684 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,685 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,686 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:42:42,686 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:42,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:42,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:42:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,691 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:42,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:42,694 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,694 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:42,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 16:42:42,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,701 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:42,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:42:42,706 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,706 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,706 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:42:42,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:42,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:42,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:42,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 16:42:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:42,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:42,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:42,733 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:42,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:42,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:42,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:42,735 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:42,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:42,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:42,756 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:42:42,756 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1576458693] [2020-10-28 16:42:42,756 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:42:42,757 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:42:42,757 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781406336] [2020-10-28 16:42:42,757 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:42:42,758 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:42:42,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:42:42,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:42:42,758 INFO L87 Difference]: Start difference. First operand 205 states and 231 transitions. Second operand 8 states. [2020-10-28 16:42:43,511 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:42:45,009 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:42:45,455 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:42:45,851 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:42:46,209 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:42:46,661 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:42:47,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:42:47,994 INFO L93 Difference]: Finished difference Result 609 states and 743 transitions. [2020-10-28 16:42:47,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 16:42:47,995 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-10-28 16:42:47,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:42:47,999 INFO L225 Difference]: With dead ends: 609 [2020-10-28 16:42:47,999 INFO L226 Difference]: Without dead ends: 428 [2020-10-28 16:42:48,001 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-28 16:42:48,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 428 states. [2020-10-28 16:42:48,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 428 to 364. [2020-10-28 16:42:48,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 364 states. [2020-10-28 16:42:48,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 364 states and 412 transitions. [2020-10-28 16:42:48,103 INFO L78 Accepts]: Start accepts. Automaton has 364 states and 412 transitions. Word has length 80 [2020-10-28 16:42:48,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:42:48,103 INFO L481 AbstractCegarLoop]: Abstraction has 364 states and 412 transitions. [2020-10-28 16:42:48,103 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:42:48,103 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 412 transitions. [2020-10-28 16:42:48,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-28 16:42:48,105 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:42:48,105 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] [2020-10-28 16:42:48,105 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 16:42:48,106 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]=== [2020-10-28 16:42:48,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:42:48,106 INFO L82 PathProgramCache]: Analyzing trace with hash 398605296, now seen corresponding path program 1 times [2020-10-28 16:42:48,106 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:42:48,107 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1745721180] [2020-10-28 16:42:48,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:42:48,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:48,152 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:48,905 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:48,905 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-28 16:42:48,905 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:48,905 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 770 [2020-10-28 16:42:48,906 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:48,906 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:48,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 16:42:48,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:48,906 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 16:42:48,906 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:49,307 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:42:49,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:42:49,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:49,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:49,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:49,433 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:49,433 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:49,433 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 106 [2020-10-28 16:42:49,433 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:49,433 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:49,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:49,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:49,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:42:49,434 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:49,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:42:49,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:49,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:49,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:49,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:49,455 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:49,455 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:49,455 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:49,456 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:49,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:49,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:49,456 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:42:49,456 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:49,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:42:49,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:49,463 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:49,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:49,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:49,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:49,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:49,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:49,465 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:49,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:49,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:49,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:42:49,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:49,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:42:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:49,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:49,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:49,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:49,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:49,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:49,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:49,472 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:49,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:49,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:49,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:49,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:49,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:42:49,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:49,475 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:49,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:49,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:42:49,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:49,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:49,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:49,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:49,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:49,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:49,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:42:49,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:49,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 16:42:49,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:49,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:49,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:49,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:49,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:49,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:49,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:49,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:49,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:49,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:49,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:49,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:42:49,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:42:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:49,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:49,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:49,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 16:42:49,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:49,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 16:42:49,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:49,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:49,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 16:42:49,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 16:42:49,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:49,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:49,537 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:49,543 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:49,543 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 16:42:49,543 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:49,544 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:42:49,544 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:49,544 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:49,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:49,544 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:49,545 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 16:42:49,545 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:49,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:42:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:49,550 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:49,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:49,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:42:49,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:49,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:42:49,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:49,554 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:49,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:49,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:49,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 16:42:49,555 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:49,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:42:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:49,563 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:49,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:49,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:42:49,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:49,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:49,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:49,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:49,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:49,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:49,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:42:49,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:49,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:42:49,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:49,569 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:49,571 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:49,571 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:49,571 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:49,571 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:49,572 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:49,572 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:49,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:42:49,572 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:42:49,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:42:49,573 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:42:49,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-28 16:42:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:49,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:49,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:49,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:49,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:49,578 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:49,578 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:49,579 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:49,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:49,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:49,579 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:49,579 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:49,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 16:42:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:42:49,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:42:49,582 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:42:49,582 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:42:49,583 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:42:49,583 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:42:49,583 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:42:49,583 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:42:49,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:42:49,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:42:49,583 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:42:49,584 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:42:49,601 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:42:49,602 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1745721180] [2020-10-28 16:42:49,602 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:42:49,602 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:42:49,602 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2141732724] [2020-10-28 16:42:49,603 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:42:49,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:42:49,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:42:49,603 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:42:49,604 INFO L87 Difference]: Start difference. First operand 364 states and 412 transitions. Second operand 8 states. [2020-10-28 16:42:50,196 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:42:50,960 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:42:53,533 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:42:55,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:42:55,184 INFO L93 Difference]: Finished difference Result 1354 states and 1773 transitions. [2020-10-28 16:42:55,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 16:42:55,185 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-10-28 16:42:55,186 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:42:55,194 INFO L225 Difference]: With dead ends: 1354 [2020-10-28 16:42:55,195 INFO L226 Difference]: Without dead ends: 1014 [2020-10-28 16:42:55,197 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2020-10-28 16:42:55,199 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1014 states. [2020-10-28 16:42:55,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1014 to 886. [2020-10-28 16:42:55,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 886 states. [2020-10-28 16:42:55,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 886 states to 886 states and 1061 transitions. [2020-10-28 16:42:55,464 INFO L78 Accepts]: Start accepts. Automaton has 886 states and 1061 transitions. Word has length 84 [2020-10-28 16:42:55,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:42:55,464 INFO L481 AbstractCegarLoop]: Abstraction has 886 states and 1061 transitions. [2020-10-28 16:42:55,464 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:42:55,465 INFO L276 IsEmpty]: Start isEmpty. Operand 886 states and 1061 transitions. [2020-10-28 16:42:55,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-28 16:42:55,467 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:42:55,467 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:42:55,467 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 16:42:55,467 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]=== [2020-10-28 16:42:55,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:42:55,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1210802314, now seen corresponding path program 1 times [2020-10-28 16:42:55,468 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:42:55,468 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [105657302] [2020-10-28 16:42:55,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:42:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-28 16:42:55,512 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-28 16:42:55,513 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 16:42:55,517 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 16:42:55,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:42:55 BoogieIcfgContainer [2020-10-28 16:42:55,544 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:42:55,546 INFO L168 Benchmark]: Toolchain (without parser) took 74026.56 ms. Allocated memory was 158.3 MB in the beginning and 757.1 MB in the end (delta: 598.7 MB). Free memory was 132.9 MB in the beginning and 463.9 MB in the end (delta: -331.0 MB). Peak memory consumption was 268.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:42:55,546 INFO L168 Benchmark]: CDTParser took 0.59 ms. Allocated memory is still 158.3 MB. Free memory is still 130.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:42:55,547 INFO L168 Benchmark]: CACSL2BoogieTranslator took 675.26 ms. Allocated memory is still 158.3 MB. Free memory was 132.2 MB in the beginning and 110.3 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:42:55,548 INFO L168 Benchmark]: Boogie Preprocessor took 106.25 ms. Allocated memory is still 158.3 MB. Free memory was 110.3 MB in the beginning and 106.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:42:55,549 INFO L168 Benchmark]: RCFGBuilder took 1490.69 ms. Allocated memory is still 158.3 MB. Free memory was 106.4 MB in the beginning and 53.3 MB in the end (delta: 53.1 MB). Peak memory consumption was 54.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:42:55,549 INFO L168 Benchmark]: TraceAbstraction took 71742.98 ms. Allocated memory was 158.3 MB in the beginning and 757.1 MB in the end (delta: 598.7 MB). Free memory was 52.8 MB in the beginning and 463.9 MB in the end (delta: -411.1 MB). Peak memory consumption was 187.6 MB. Max. memory is 8.0 GB. [2020-10-28 16:42:55,552 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.59 ms. Allocated memory is still 158.3 MB. Free memory is still 130.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 675.26 ms. Allocated memory is still 158.3 MB. Free memory was 132.2 MB in the beginning and 110.3 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 106.25 ms. Allocated memory is still 158.3 MB. Free memory was 110.3 MB in the beginning and 106.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1490.69 ms. Allocated memory is still 158.3 MB. Free memory was 106.4 MB in the beginning and 53.3 MB in the end (delta: 53.1 MB). Peak memory consumption was 54.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 71742.98 ms. Allocated memory was 158.3 MB in the beginning and 757.1 MB in the end (delta: 598.7 MB). Free memory was 52.8 MB in the beginning and 463.9 MB in the end (delta: -411.1 MB). Peak memory consumption was 187.6 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: [L71] int cleanupTimeShifts = 4; [L344] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L547] int pumpRunning = 0; [L548] int systemActive = 1; [L845] int waterLevel = 1; [L846] int methaneLevelCritical = 0; [L152] int retValue_acc ; [L153] int tmp ; [L157] FCALL select_helpers() [L158] FCALL select_features() [L159] CALL, EXPR valid_product() [L835] int retValue_acc ; [L838] retValue_acc = 1 [L839] return (retValue_acc); [L159] RET, EXPR valid_product() [L159] tmp = valid_product() [L161] COND TRUE \read(tmp) [L163] FCALL setup() [L164] CALL runTest() [L143] CALL test() [L745] int splverifierCounter ; [L746] int tmp ; [L747] int tmp___0 ; [L748] int tmp___1 ; [L749] int tmp___2 ; [L752] splverifierCounter = 0 [L754] COND TRUE 1 [L756] COND TRUE splverifierCounter < 4 [L762] tmp = __VERIFIER_nondet_int() [L764] COND TRUE \read(tmp) [L766] CALL waterRise() [L863] COND TRUE waterLevel < 2 [L864] waterLevel = waterLevel + 1 [L766] RET waterRise() [L772] tmp___0 = __VERIFIER_nondet_int() [L774] COND TRUE \read(tmp___0) [L776] CALL changeMethaneLevel() [L875] COND FALSE !(\read(methaneLevelCritical)) [L878] methaneLevelCritical = 1 [L776] RET changeMethaneLevel() [L782] tmp___2 = __VERIFIER_nondet_int() [L784] COND TRUE \read(tmp___2) [L797] CALL timeShift() [L554] COND FALSE !(\read(pumpRunning)) [L561] COND TRUE \read(systemActive) [L563] CALL processEnvironment() [L609] int tmp ; [L612] COND FALSE !(\read(pumpRunning)) [L627] CALL processEnvironment__wrappee__highWaterSensor() [L583] int tmp ; [L586] COND TRUE ! pumpRunning [L588] CALL, EXPR isHighWaterLevel() [L706] int retValue_acc ; [L707] int tmp ; [L708] int tmp___0 ; [L712] CALL, EXPR isHighWaterSensorDry() [L925] int retValue_acc ; [L928] COND FALSE !(waterLevel < 2) [L932] retValue_acc = 0 [L933] return (retValue_acc); [L712] RET, EXPR isHighWaterSensorDry() [L712] tmp = isHighWaterSensorDry() [L714] COND FALSE !(\read(tmp)) [L717] tmp___0 = 1 [L719] retValue_acc = tmp___0 [L720] return (retValue_acc); [L588] RET, EXPR isHighWaterLevel() [L588] tmp = isHighWaterLevel() [L590] COND TRUE \read(tmp) [L592] CALL activatePump() [L637] pumpRunning = 1 [L592] RET activatePump() [L627] RET processEnvironment__wrappee__highWaterSensor() [L563] RET processEnvironment() [L569] CALL __utac_acc__Specification1_spec__1() [L46] int tmp ; [L47] int tmp___0 ; [L51] CALL, EXPR isMethaneLevelCritical() [L884] int retValue_acc ; [L887] retValue_acc = methaneLevelCritical [L888] return (retValue_acc); [L51] RET, EXPR isMethaneLevelCritical() [L51] tmp = isMethaneLevelCritical() [L53] COND TRUE \read(tmp) [L55] CALL, EXPR isPumpRunning() [L661] int retValue_acc ; [L664] retValue_acc = pumpRunning [L665] return (retValue_acc); [L55] RET, EXPR isPumpRunning() [L55] tmp___0 = isPumpRunning() [L57] COND TRUE \read(tmp___0) [L59] CALL __automaton_fail() [L952] CALL reach_error() [L3] __assert_fail("0", "minepump_spec1_product49.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 247 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 71.6s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 31.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1129 SDtfs, 2002 SDslu, 914 SDs, 0 SdLazy, 4105 SolverSat, 1212 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 300 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 80 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 125 ImplicationChecksByTransitivity, 13.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=886occurred 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: 0.8s AutomataMinimizationTime, 9 MinimizatonAttempts, 472 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 38.3s InterpolantComputationTime, 726 NumberOfCodeBlocks, 726 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 629 ConstructedInterpolants, 0 QuantifiedInterpolants, 201402 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 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...