/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_spec2_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:47:08,848 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:47:08,851 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:47:08,886 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:47:08,887 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:47:08,888 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:47:08,890 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:47:08,892 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:47:08,895 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:47:08,896 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:47:08,897 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:47:08,898 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:47:08,899 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:47:08,900 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:47:08,901 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:47:08,906 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:47:08,908 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:47:08,910 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:47:08,913 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:47:08,918 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:47:08,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:47:08,927 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:47:08,929 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:47:08,931 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:47:08,942 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:47:08,942 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:47:08,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:47:08,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:47:08,944 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:47:08,945 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:47:08,945 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:47:08,946 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:47:08,947 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:47:08,948 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:47:08,949 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:47:08,949 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:47:08,950 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:47:08,950 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:47:08,951 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:47:08,952 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:47:08,952 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:47:08,954 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 16:47:08,980 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:47:08,981 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:47:08,982 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:47:08,982 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:47:08,983 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:47:08,983 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:47:08,983 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:47:08,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:47:08,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:47:08,984 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:47:08,984 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:47:08,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:47:08,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:47:08,985 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:47:08,985 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:47:08,986 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:47:08,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:47:08,986 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:47:08,986 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:47:08,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:47:08,987 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:47:08,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:47:08,987 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:47:08,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:47:08,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:47:08,988 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:47:08,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:47:08,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:47:08,989 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:47:08,989 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:47:09,367 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:47:09,401 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:47:09,403 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:47:09,405 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:47:09,405 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:47:09,406 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product36.cil.c [2020-10-28 16:47:09,500 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/169201dc5/3ca86dc13df34cb5aca12c7ca35a755f/FLAG0a453a7f2 [2020-10-28 16:47:10,112 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:47:10,113 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product36.cil.c [2020-10-28 16:47:10,132 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/169201dc5/3ca86dc13df34cb5aca12c7ca35a755f/FLAG0a453a7f2 [2020-10-28 16:47:10,407 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/169201dc5/3ca86dc13df34cb5aca12c7ca35a755f [2020-10-28 16:47:10,410 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:47:10,417 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:47:10,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:47:10,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:47:10,422 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:47:10,423 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:47:10" (1/1) ... [2020-10-28 16:47:10,432 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@783b975c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:10, skipping insertion in model container [2020-10-28 16:47:10,435 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:47:10" (1/1) ... [2020-10-28 16:47:10,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:47:10,521 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:47:10,837 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:47:10,859 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:47:10,999 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:47:11,042 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:47:11,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:11 WrapperNode [2020-10-28 16:47:11,044 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:47:11,045 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:47:11,045 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:47:11,045 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:47:11,057 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:11" (1/1) ... [2020-10-28 16:47:11,057 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:11" (1/1) ... [2020-10-28 16:47:11,076 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:11" (1/1) ... [2020-10-28 16:47:11,076 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:11" (1/1) ... [2020-10-28 16:47:11,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:11" (1/1) ... [2020-10-28 16:47:11,112 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:11" (1/1) ... [2020-10-28 16:47:11,117 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:11" (1/1) ... [2020-10-28 16:47:11,125 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:47:11,126 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:47:11,127 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:47:11,127 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:47:11,128 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:11" (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 16:47:11,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:47:11,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:47:11,218 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:47:11,218 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:47:11,219 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:47:11,219 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:47:11,220 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:47:11,220 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:47:11,221 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:47:11,221 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:47:11,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-28 16:47:11,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:47:11,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:47:11,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:47:11,223 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:47:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:47:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:47:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:47:11,224 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:47:11,225 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:47:11,226 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:47:11,226 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:47:11,226 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:47:11,227 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:47:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:47:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:47:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:47:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:47:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:47:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:47:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:47:11,231 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:47:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:47:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:47:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-28 16:47:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 16:47:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 16:47:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:47:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:47:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:47:11,232 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:47:11,233 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:47:11,233 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:47:11,233 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:47:11,233 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:47:11,233 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:47:11,233 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:47:11,233 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:47:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:47:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:47:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:47:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:47:11,234 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:47:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-28 16:47:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:47:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:47:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:47:11,235 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:47:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:47:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:47:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:47:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:47:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:47:11,236 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:47:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:47:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:47:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:47:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:47:11,237 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:47:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:47:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:47:11,238 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:47:11,239 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:47:11,240 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:47:11,240 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:47:11,240 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:47:11,240 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:47:11,240 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:47:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:47:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:47:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:47:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:47:11,241 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:47:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:47:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:47:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 16:47:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 16:47:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:47:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:47:11,242 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:47:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-28 16:47:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:47:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:47:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:47:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:47:11,243 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:47:12,526 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:47:12,526 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:47:12,528 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:47:12 BoogieIcfgContainer [2020-10-28 16:47:12,529 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:47:12,531 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:47:12,531 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:47:12,534 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:47:12,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:47:10" (1/3) ... [2020-10-28 16:47:12,535 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59fde060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:47:12, skipping insertion in model container [2020-10-28 16:47:12,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:11" (2/3) ... [2020-10-28 16:47:12,536 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@59fde060 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:47:12, skipping insertion in model container [2020-10-28 16:47:12,536 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:47:12" (3/3) ... [2020-10-28 16:47:12,538 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product36.cil.c [2020-10-28 16:47:12,550 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:47:12,555 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:47:12,568 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:47:12,597 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:47:12,597 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:47:12,597 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:47:12,597 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:47:12,597 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:47:12,598 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:47:12,598 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:47:12,598 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:47:12,639 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-10-28 16:47:12,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-28 16:47:12,649 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:47:12,650 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:47:12,650 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 16:47:12,657 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:47:12,657 INFO L82 PathProgramCache]: Analyzing trace with hash -1592685816, now seen corresponding path program 1 times [2020-10-28 16:47:12,667 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:47:12,667 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1149023422] [2020-10-28 16:47:12,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:47:12,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:13,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:13,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:13,674 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:15,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:15,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:17,952 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:17,952 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 16:47:17,952 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:47:17,953 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5022 [2020-10-28 16:47:17,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:17,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 16:47:17,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:17,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 16:47:18,360 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:18,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:47:18,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:18,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:18,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:18,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:18,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:18,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 67 [2020-10-28 16:47:18,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:18,447 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:18,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:18,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:18,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:18,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:18,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:47:18,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:18,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:18,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:18,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:18,471 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:18,471 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:18,471 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:18,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:18,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:18,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:18,472 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:18,472 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:18,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:47:18,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:18,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:18,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:18,477 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:18,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:18,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:18,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:18,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:18,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:18,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:18,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:18,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:18,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:47:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:18,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:18,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:18,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:18,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:18,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:18,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:18,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:18,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:18,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:18,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:18,485 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:18,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:47:18,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:18,488 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:18,489 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:18,489 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:18,489 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:18,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:18,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:18,490 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:18,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:18,490 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:18,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:18,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:18,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:47:18,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:18,505 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:18,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:18,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:18,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:18,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:18,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:18,507 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:18,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:18,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:18,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:18,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:18,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:47:18,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:18,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:18,513 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:18,513 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:18,513 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:18,514 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:18,514 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:18,514 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:18,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:18,514 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:18,515 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:18,515 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:18,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:47:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:18,518 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:18,519 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:18,520 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:18,520 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:18,520 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:18,520 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:18,521 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:18,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:18,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:18,521 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:18,521 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:18,557 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 16:47:18,558 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1149023422] [2020-10-28 16:47:18,560 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:47:18,561 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:47:18,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [921635176] [2020-10-28 16:47:18,567 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:47:18,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:47:18,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:47:18,582 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:47:18,587 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 4 states. [2020-10-28 16:47:19,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:47:19,825 INFO L93 Difference]: Finished difference Result 284 states and 371 transitions. [2020-10-28 16:47:19,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 16:47:19,827 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-10-28 16:47:19,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:47:19,841 INFO L225 Difference]: With dead ends: 284 [2020-10-28 16:47:19,842 INFO L226 Difference]: Without dead ends: 158 [2020-10-28 16:47:19,846 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:47:19,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2020-10-28 16:47:19,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 124. [2020-10-28 16:47:19,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-28 16:47:19,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 144 transitions. [2020-10-28 16:47:19,942 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 144 transitions. Word has length 52 [2020-10-28 16:47:19,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:47:19,943 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 144 transitions. [2020-10-28 16:47:19,943 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:47:19,943 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 144 transitions. [2020-10-28 16:47:19,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:47:19,947 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:47:19,947 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] [2020-10-28 16:47:19,947 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:47:19,948 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 16:47:19,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:47:19,948 INFO L82 PathProgramCache]: Analyzing trace with hash -1739993018, now seen corresponding path program 1 times [2020-10-28 16:47:19,949 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:47:19,949 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1169935485] [2020-10-28 16:47:19,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:47:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:20,007 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:20,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:20,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:21,203 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:21,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:24,999 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:24,999 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 16:47:24,999 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:47:25,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 16:47:25,000 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:25,000 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:25,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:25,000 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 16:47:25,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:47:25,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:25,482 WARN L193 SmtUtils]: Spent 399.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:25,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:47:25,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:25,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:25,529 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:25,529 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:25,530 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:25,530 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-10-28 16:47:25,530 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:25,530 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:25,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:25,530 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:25,531 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:25,531 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:25,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:47:25,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:25,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:25,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:25,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:25,550 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:25,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:25,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:25,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:25,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:25,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:25,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:25,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:25,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:47:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:25,553 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:25,554 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:25,554 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:25,554 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:25,554 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:25,555 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:25,555 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:25,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:25,555 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:25,556 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:25,556 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:25,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:47:25,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:25,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:25,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:25,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:25,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:25,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:25,560 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:25,560 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:25,560 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:25,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:25,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:25,561 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:25,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:47:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:25,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:25,564 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:25,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:25,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:25,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:25,565 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:25,565 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:25,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:25,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:25,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:25,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:25,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:47:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:25,579 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:25,580 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:25,580 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:25,581 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:25,581 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:25,581 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:25,581 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:25,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:25,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:25,582 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:25,582 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:25,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:47:25,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:25,586 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:25,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:25,587 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:25,587 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:25,587 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:25,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:25,588 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:25,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:25,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:25,588 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:25,588 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:25,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:47:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:25,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:25,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:25,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:25,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:25,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:25,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:25,594 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:25,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:25,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:25,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:25,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:25,604 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 16:47:25,605 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1169935485] [2020-10-28 16:47:25,605 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:47:25,605 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:47:25,605 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899792333] [2020-10-28 16:47:25,607 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:47:25,607 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:47:25,608 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:47:25,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:47:25,608 INFO L87 Difference]: Start difference. First operand 124 states and 144 transitions. Second operand 5 states. [2020-10-28 16:47:26,345 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:47:27,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:47:27,496 INFO L93 Difference]: Finished difference Result 213 states and 264 transitions. [2020-10-28 16:47:27,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 16:47:27,496 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 16:47:27,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:47:27,499 INFO L225 Difference]: With dead ends: 213 [2020-10-28 16:47:27,499 INFO L226 Difference]: Without dead ends: 148 [2020-10-28 16:47:27,501 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 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 16:47:27,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2020-10-28 16:47:27,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 115. [2020-10-28 16:47:27,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-28 16:47:27,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 132 transitions. [2020-10-28 16:47:27,553 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 132 transitions. Word has length 53 [2020-10-28 16:47:27,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:47:27,553 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 132 transitions. [2020-10-28 16:47:27,553 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:47:27,553 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 132 transitions. [2020-10-28 16:47:27,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 16:47:27,555 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:47:27,556 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] [2020-10-28 16:47:27,556 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:47:27,556 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 16:47:27,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:47:27,557 INFO L82 PathProgramCache]: Analyzing trace with hash -1874644570, now seen corresponding path program 1 times [2020-10-28 16:47:27,557 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:47:27,557 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1805000191] [2020-10-28 16:47:27,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:47:27,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:27,604 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:27,828 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:28,175 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:28,485 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:29,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:32,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:32,589 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 16:47:32,589 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:47:32,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 16:47:32,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:32,590 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:32,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:47:32,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:32,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-28 16:47:32,590 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:32,987 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:32,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:47:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:33,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:33,069 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:33,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:33,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:33,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-28 16:47:33,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:33,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:33,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:33,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:33,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:47:33,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:33,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:47:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:33,087 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:33,088 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:33,088 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:33,088 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:33,088 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:33,089 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:33,089 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:33,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:33,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:33,089 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:47:33,089 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:33,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:47:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:33,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:33,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:33,093 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:33,093 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:33,093 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:33,093 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:33,094 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:33,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:33,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:33,094 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:47:33,094 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:33,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:47:33,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:33,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:33,099 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:33,099 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:33,099 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:33,099 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:33,099 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:33,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:33,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:33,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:33,100 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:47:33,100 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:33,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:47:33,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:33,103 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:33,104 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:33,104 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:33,104 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:33,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:33,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:33,105 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:33,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:33,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:33,105 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:47:33,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:33,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:47:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:33,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:33,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:33,122 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:33,122 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:33,122 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:33,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:33,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:33,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:33,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:33,123 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:47:33,123 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:33,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:47:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:33,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:33,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:33,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:33,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:33,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:33,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:33,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:33,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:33,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:33,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:33,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:33,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 16:47:33,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:33,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:33,131 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:33,131 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:33,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:33,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:33,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:33,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:33,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:33,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:33,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:33,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:33,161 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 16:47:33,161 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1805000191] [2020-10-28 16:47:33,161 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:47:33,161 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:47:33,162 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2119721025] [2020-10-28 16:47:33,162 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:47:33,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:47:33,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:47:33,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:47:33,163 INFO L87 Difference]: Start difference. First operand 115 states and 132 transitions. Second operand 6 states. [2020-10-28 16:47:33,624 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:47:34,514 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:47:36,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:47:36,314 INFO L93 Difference]: Finished difference Result 394 states and 494 transitions. [2020-10-28 16:47:36,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 16:47:36,315 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-10-28 16:47:36,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:47:36,320 INFO L225 Difference]: With dead ends: 394 [2020-10-28 16:47:36,320 INFO L226 Difference]: Without dead ends: 307 [2020-10-28 16:47:36,321 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-28 16:47:36,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-10-28 16:47:36,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 228. [2020-10-28 16:47:36,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-10-28 16:47:36,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 273 transitions. [2020-10-28 16:47:36,405 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 273 transitions. Word has length 58 [2020-10-28 16:47:36,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:47:36,406 INFO L481 AbstractCegarLoop]: Abstraction has 228 states and 273 transitions. [2020-10-28 16:47:36,406 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:47:36,406 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 273 transitions. [2020-10-28 16:47:36,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-28 16:47:36,408 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:47:36,408 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] [2020-10-28 16:47:36,408 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:47:36,409 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 16:47:36,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:47:36,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1441322064, now seen corresponding path program 1 times [2020-10-28 16:47:36,409 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:47:36,410 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1870809867] [2020-10-28 16:47:36,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:47:36,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:36,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:36,888 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:37,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:37,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:37,996 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:41,444 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:41,444 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-28 16:47:41,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:47:41,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 16:47:41,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:41,445 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:41,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:47:41,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:47:41,445 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 16:47:41,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:41,841 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:41,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:47:41,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:41,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:41,875 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:41,875 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:41,875 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:41,876 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-10-28 16:47:41,876 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:41,876 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:41,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:41,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:41,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:41,877 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:41,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:47:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:41,890 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:41,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:41,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:41,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:41,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:41,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:41,892 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:41,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:41,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:41,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:41,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:41,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:47:41,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:41,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:41,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:41,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:41,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:41,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:41,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:41,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:41,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:41,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:41,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:41,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:41,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:47:41,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:41,898 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:41,899 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:41,899 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:41,899 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:41,900 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:41,900 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:41,900 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:41,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:41,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:41,900 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:41,901 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:41,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:47:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:41,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:41,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:41,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:41,904 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:41,904 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:41,904 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:41,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:41,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:41,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:41,905 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:41,905 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:41,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:47:41,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:41,921 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:41,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:41,922 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:41,922 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:41,922 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:41,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:41,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:41,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:41,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:41,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:47:41,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:41,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:47:41,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:41,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:41,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:41,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:47:41,943 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:41,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:47:41,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:41,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:41,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:47:41,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:41,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 16:47:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:41,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:41,949 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:41,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:41,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:41,950 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:41,950 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:41,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:41,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:41,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:41,951 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:47:41,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:41,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 16:47:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:41,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:41,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:41,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:41,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:41,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:41,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:41,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:41,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:41,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:41,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:47:41,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:41,968 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 16:47:41,969 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1870809867] [2020-10-28 16:47:41,969 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:47:41,969 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:47:41,969 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588821919] [2020-10-28 16:47:41,970 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:47:41,970 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:47:41,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:47:41,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:47:41,971 INFO L87 Difference]: Start difference. First operand 228 states and 273 transitions. Second operand 6 states. [2020-10-28 16:47:42,438 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:47:44,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:47:44,645 INFO L93 Difference]: Finished difference Result 606 states and 837 transitions. [2020-10-28 16:47:44,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 16:47:44,646 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-10-28 16:47:44,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:47:44,653 INFO L225 Difference]: With dead ends: 606 [2020-10-28 16:47:44,653 INFO L226 Difference]: Without dead ends: 602 [2020-10-28 16:47:44,655 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:47:44,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2020-10-28 16:47:44,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 436. [2020-10-28 16:47:44,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 436 states. [2020-10-28 16:47:44,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 436 states and 532 transitions. [2020-10-28 16:47:44,818 INFO L78 Accepts]: Start accepts. Automaton has 436 states and 532 transitions. Word has length 63 [2020-10-28 16:47:44,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:47:44,819 INFO L481 AbstractCegarLoop]: Abstraction has 436 states and 532 transitions. [2020-10-28 16:47:44,819 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:47:44,819 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 532 transitions. [2020-10-28 16:47:44,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-28 16:47:44,822 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:47:44,823 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:47:44,823 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:47:44,823 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 16:47:44,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:47:44,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1252734241, now seen corresponding path program 1 times [2020-10-28 16:47:44,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:47:44,824 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1366925134] [2020-10-28 16:47:44,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:47:44,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:44,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:45,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:45,118 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:45,196 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:45,543 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:48,400 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:49,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:49,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-28 16:47:49,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:47:49,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 16:47:49,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:49,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:49,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:47:49,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 16:47:49,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 16:47:49,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:50,222 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:50,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:47:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:50,231 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:50,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:50,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:50,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:50,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 16:47:50,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:50,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:50,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:50,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:50,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:50,252 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:50,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:47:50,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:50,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:50,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:50,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:50,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:50,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:50,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:50,266 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:50,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:50,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:50,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:50,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:50,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:47:50,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:50,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:50,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:50,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:50,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:50,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:50,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:50,270 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:50,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:50,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:50,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:50,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:50,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:47:50,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:50,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:50,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:50,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:50,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:50,277 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:50,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:50,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:50,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:50,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:50,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:50,278 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:50,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:47:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:50,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:50,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:50,282 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:50,282 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:50,282 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:50,282 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:50,282 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:50,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:50,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:50,283 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:50,283 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:50,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:47:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:50,295 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:50,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:50,296 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:50,296 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:50,296 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:50,297 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:50,297 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:50,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:50,298 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:50,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:50,299 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:47:50,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:47:50,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:50,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:50,316 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:50,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:47:50,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:50,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:50,317 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:50,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:50,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:50,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:50,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:47:50,317 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:50,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:47:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:50,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:50,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:50,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:50,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 16:47:50,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:47:50,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 16:47:50,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:50,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:50,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:47:50,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 16:47:50,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 16:47:50,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:50,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:47:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:50,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:50,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:50,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 16:47:50,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:50,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-28 16:47:50,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:50,415 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:50,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 16:47:50,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:50,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 16:47:50,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:50,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:47:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:50,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:50,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:50,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:50,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:50,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:50,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:50,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:50,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:50,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:50,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:50,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:50,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 16:47:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:50,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:50,572 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:50,572 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:50,573 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:50,573 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 16:47:50,573 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:50,573 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:50,573 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:47:50,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:50,574 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:47:50,574 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:50,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 16:47:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:50,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:50,595 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:50,595 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:50,595 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:50,595 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:50,595 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:50,595 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:50,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:50,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:50,596 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:50,596 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:50,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 16:47:50,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:50,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:50,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:50,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:50,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:50,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:50,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:50,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:50,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:50,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:50,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:50,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:50,629 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 16:47:50,629 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1366925134] [2020-10-28 16:47:50,630 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:47:50,630 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 16:47:50,630 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2114052193] [2020-10-28 16:47:50,631 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 16:47:50,631 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:47:50,632 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 16:47:50,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-10-28 16:47:50,635 INFO L87 Difference]: Start difference. First operand 436 states and 532 transitions. Second operand 13 states. [2020-10-28 16:47:51,270 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:47:52,615 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:47:53,457 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 211 [2020-10-28 16:47:54,228 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 213 [2020-10-28 16:47:55,196 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 208 [2020-10-28 16:47:56,115 WARN L193 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 210 [2020-10-28 16:47:57,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:47:57,663 INFO L93 Difference]: Finished difference Result 1066 states and 1441 transitions. [2020-10-28 16:47:57,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-10-28 16:47:57,664 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 94 [2020-10-28 16:47:57,664 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:47:57,672 INFO L225 Difference]: With dead ends: 1066 [2020-10-28 16:47:57,672 INFO L226 Difference]: Without dead ends: 658 [2020-10-28 16:47:57,679 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 208 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=236, Invalid=756, Unknown=0, NotChecked=0, Total=992 [2020-10-28 16:47:57,680 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2020-10-28 16:47:57,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 529. [2020-10-28 16:47:57,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 529 states. [2020-10-28 16:47:57,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 614 transitions. [2020-10-28 16:47:57,882 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 614 transitions. Word has length 94 [2020-10-28 16:47:57,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:47:57,882 INFO L481 AbstractCegarLoop]: Abstraction has 529 states and 614 transitions. [2020-10-28 16:47:57,882 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 16:47:57,882 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 614 transitions. [2020-10-28 16:47:57,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-28 16:47:57,885 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:47:57,886 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:47:57,886 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:47:57,886 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 16:47:57,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:47:57,887 INFO L82 PathProgramCache]: Analyzing trace with hash 309888702, now seen corresponding path program 1 times [2020-10-28 16:47:57,887 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:47:57,887 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [975021801] [2020-10-28 16:47:57,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:47:57,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:57,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:58,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:59,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:02,936 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:02,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 16:48:02,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:48:02,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5010 [2020-10-28 16:48:02,937 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:02,937 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:02,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:48:02,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-28 16:48:02,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:02,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:03,293 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:48:03,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:48:03,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:03,303 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:03,334 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:03,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:03,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:03,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 16:48:03,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:03,335 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:03,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:03,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:03,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:03,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:03,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:48:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:03,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:03,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:03,348 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:03,348 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:03,348 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:03,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:03,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:03,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:03,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:03,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:03,349 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:03,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:48:03,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:03,351 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:03,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:03,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:03,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:03,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:03,352 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:03,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:03,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:03,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:03,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:03,353 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:03,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:48:03,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:03,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:03,356 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:03,356 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:03,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:03,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:03,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:03,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:03,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:03,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:03,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:03,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:03,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:48:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:03,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:03,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:03,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:03,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:03,360 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:03,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:03,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:03,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:03,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:03,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:03,361 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:03,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:48:03,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:03,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:03,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:03,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:03,375 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:03,375 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:03,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:03,376 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:03,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:03,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:03,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:03,376 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:03,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:48:03,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:03,395 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:03,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:03,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 16:48:03,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:03,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 16:48:03,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:03,413 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:48:03,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 16:48:03,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:03,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:03,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:48:03,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:03,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:03,447 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:03,447 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 16:48:03,448 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:03,448 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 16:48:03,448 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:03,448 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:03,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:48:03,448 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 16:48:03,449 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:03,449 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:03,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:48:03,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:03,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:03,460 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:03,461 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:48:03,461 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:03,461 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 16:48:03,461 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:03,461 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:03,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:48:03,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:48:03,462 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:03,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:03,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:48:03,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:03,490 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:03,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:03,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:48:03,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:03,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:48:03,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:03,493 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:03,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:48:03,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:03,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:03,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:03,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:48:03,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:03,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:03,508 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:03,508 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:03,509 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:03,509 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:03,509 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:03,509 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:03,509 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:03,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:03,510 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:03,510 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:48:03,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 16:48:03,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:03,515 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:03,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:03,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 16:48:03,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:03,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:48:03,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:03,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:03,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:03,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 16:48:03,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:03,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:03,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:48:03,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:03,523 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:03,523 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:03,524 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:03,524 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:03,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:03,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:03,524 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:03,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:03,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:03,525 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:03,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:03,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 16:48:03,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:03,527 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:03,528 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:03,528 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:03,528 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:03,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:03,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:03,528 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:03,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:03,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:03,529 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:03,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:03,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-28 16:48:03,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:03,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:03,547 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:03,547 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:03,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:03,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:03,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:03,548 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:03,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:03,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:03,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:03,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:03,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 16:48:03,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:03,551 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:03,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:03,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:48:03,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:03,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:03,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:03,553 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:03,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:03,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 16:48:03,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:03,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:03,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:48:03,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:03,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:03,556 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:03,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:03,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:03,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:03,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:03,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:03,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:03,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:03,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:03,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:03,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 16:48:03,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:03,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:03,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:03,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:03,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:03,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:03,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:03,561 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:03,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:03,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:03,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:03,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:03,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-28 16:48:03,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:03,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:03,565 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:03,565 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:03,565 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:03,565 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:03,566 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:03,566 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:03,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:03,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:03,566 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:03,566 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:03,597 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-28 16:48:03,598 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [975021801] [2020-10-28 16:48:03,598 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:48:03,598 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 16:48:03,598 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [887814680] [2020-10-28 16:48:03,599 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 16:48:03,599 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:48:03,600 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 16:48:03,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-28 16:48:03,600 INFO L87 Difference]: Start difference. First operand 529 states and 614 transitions. Second operand 10 states. [2020-10-28 16:48:04,986 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:48:05,391 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:48:05,794 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:48:07,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:48:07,340 INFO L93 Difference]: Finished difference Result 1295 states and 1735 transitions. [2020-10-28 16:48:07,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 16:48:07,341 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 124 [2020-10-28 16:48:07,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:48:07,348 INFO L225 Difference]: With dead ends: 1295 [2020-10-28 16:48:07,348 INFO L226 Difference]: Without dead ends: 794 [2020-10-28 16:48:07,351 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-10-28 16:48:07,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 794 states. [2020-10-28 16:48:07,519 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 794 to 541. [2020-10-28 16:48:07,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 541 states. [2020-10-28 16:48:07,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 541 states to 541 states and 626 transitions. [2020-10-28 16:48:07,523 INFO L78 Accepts]: Start accepts. Automaton has 541 states and 626 transitions. Word has length 124 [2020-10-28 16:48:07,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:48:07,524 INFO L481 AbstractCegarLoop]: Abstraction has 541 states and 626 transitions. [2020-10-28 16:48:07,524 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 16:48:07,524 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 626 transitions. [2020-10-28 16:48:07,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-28 16:48:07,526 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:48:07,527 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:48:07,527 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 16:48:07,527 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 16:48:07,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:48:07,528 INFO L82 PathProgramCache]: Analyzing trace with hash -2074036036, now seen corresponding path program 1 times [2020-10-28 16:48:07,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:48:07,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1382348627] [2020-10-28 16:48:07,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:48:07,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:07,576 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:07,612 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:09,519 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:12,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:12,563 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 16:48:12,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:48:12,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5004 [2020-10-28 16:48:12,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:12,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:12,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:48:12,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-28 16:48:12,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:48:12,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:48:12,970 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:48:12,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:48:12,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:12,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:13,014 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:13,014 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:13,014 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:13,015 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 16:48:13,015 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:13,015 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:13,015 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:13,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:13,016 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:13,016 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:48:13,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:48:13,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:13,033 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:13,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:13,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:13,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:13,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:13,034 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:13,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:13,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:13,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:13,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:13,035 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:13,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:48:13,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:13,037 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:13,037 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:13,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:13,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:13,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:13,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:13,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:13,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:13,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:13,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:13,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:48:13,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:48:13,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:13,042 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:13,043 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:13,044 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:13,044 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:13,044 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:13,045 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:13,045 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:13,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:13,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:13,045 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:13,046 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:48:13,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:48:13,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:13,048 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:13,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:13,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:13,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:13,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:13,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:13,050 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:13,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:13,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:13,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:13,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:48:13,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:48:13,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:13,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:13,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:13,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:13,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:13,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:13,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:13,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:13,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:13,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:13,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:13,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:48:13,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:48:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:13,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:13,125 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:13,125 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 16:48:13,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:13,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 35 [2020-10-28 16:48:13,126 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:13,126 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:13,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:48:13,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 16:48:13,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:48:13,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:48:13,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:48:13,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:13,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:13,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:13,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 16:48:13,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:13,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-28 16:48:13,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:13,172 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:48:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 16:48:13,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:48:13,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:13,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:48:13,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:13,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:13,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:13,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:48:13,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:13,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 16:48:13,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:13,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:13,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:48:13,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:13,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 16:48:13,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:48:13,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:48:13,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:13,282 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:13,283 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:13,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:48:13,284 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:13,284 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:13,284 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:13,285 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:13,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:13,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:13,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:13,286 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:48:13,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:48:13,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:13,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:13,290 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:13,290 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:13,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:13,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:13,291 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:13,291 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:13,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:13,293 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:48:13,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 16:48:13,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:13,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:13,302 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:13,302 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 16:48:13,303 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:13,303 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:48:13,303 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:13,303 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:13,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:13,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 16:48:13,304 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:13,304 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:48:13,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:48:13,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:13,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:13,309 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:13,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:13,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:13,310 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:13,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:13,311 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:13,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:13,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:13,312 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:13,312 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:48:13,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 16:48:13,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:13,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:13,315 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:13,316 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:13,316 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:13,316 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:13,316 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:13,317 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:13,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:13,317 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:13,318 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:13,318 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:48:13,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-28 16:48:13,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:13,348 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:13,348 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:13,349 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:13,349 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:13,349 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:13,349 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:13,349 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:13,349 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:13,350 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:13,350 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:13,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 16:48:13,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:13,353 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:13,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:13,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:48:13,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:13,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:13,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:13,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:13,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:13,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 16:48:13,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:13,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:13,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:48:13,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:13,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:13,358 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:13,358 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:13,358 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:13,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:13,359 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:13,359 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:13,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:13,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:13,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:13,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:48:13,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 16:48:13,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:13,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:13,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:13,364 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:13,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:13,365 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:13,365 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:13,365 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:13,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:13,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:13,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:13,366 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:48:13,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-28 16:48:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:13,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:13,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:13,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:13,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:13,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:13,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:13,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:13,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:13,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:13,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:13,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:48:13,413 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-10-28 16:48:13,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1382348627] [2020-10-28 16:48:13,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:48:13,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 16:48:13,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1461078035] [2020-10-28 16:48:13,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:48:13,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:48:13,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:48:13,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:48:13,416 INFO L87 Difference]: Start difference. First operand 541 states and 626 transitions. Second operand 11 states. [2020-10-28 16:48:14,908 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:48:15,308 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:48:15,746 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:48:16,152 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 16:48:17,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:48:17,248 INFO L93 Difference]: Finished difference Result 1313 states and 1728 transitions. [2020-10-28 16:48:17,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 16:48:17,249 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 124 [2020-10-28 16:48:17,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:48:17,256 INFO L225 Difference]: With dead ends: 1313 [2020-10-28 16:48:17,256 INFO L226 Difference]: Without dead ends: 800 [2020-10-28 16:48:17,259 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-10-28 16:48:17,260 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 800 states. [2020-10-28 16:48:17,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 800 to 556. [2020-10-28 16:48:17,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2020-10-28 16:48:17,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 641 transitions. [2020-10-28 16:48:17,424 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 641 transitions. Word has length 124 [2020-10-28 16:48:17,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:48:17,425 INFO L481 AbstractCegarLoop]: Abstraction has 556 states and 641 transitions. [2020-10-28 16:48:17,425 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:48:17,425 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 641 transitions. [2020-10-28 16:48:17,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-28 16:48:17,427 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:48:17,428 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:48:17,428 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 16:48:17,428 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 16:48:17,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:48:17,429 INFO L82 PathProgramCache]: Analyzing trace with hash 323421503, now seen corresponding path program 1 times [2020-10-28 16:48:17,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:48:17,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [381400991] [2020-10-28 16:48:17,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:48:17,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:17,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:17,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:18,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:22,458 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:22,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 16:48:22,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:48:22,459 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5002 [2020-10-28 16:48:22,459 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:22,459 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:22,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-28 16:48:22,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:22,459 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-28 16:48:22,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:22,842 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:48:22,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:48:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:22,867 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:22,925 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:22,925 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:22,925 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:22,925 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-28 16:48:22,926 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:22,926 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:22,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:22,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:22,926 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:48:22,926 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:22,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:48:22,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:22,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:22,943 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:22,943 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:22,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:22,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:22,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:22,944 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:22,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:22,944 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:22,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:48:22,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:22,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:48:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:22,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:22,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:22,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:22,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:22,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:22,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:22,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:22,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:22,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:22,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:48:22,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:22,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:48:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:22,953 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:22,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:22,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:22,955 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:22,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:48:22,956 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:22,956 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:22,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:22,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:22,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:22,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:22,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:48:22,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:22,959 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:22,960 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:22,960 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:22,960 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:22,960 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:22,960 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:22,961 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:22,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:22,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:22,961 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:48:22,961 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:48:22,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:48:22,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:22,974 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:22,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:22,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:22,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:22,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:22,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:22,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:22,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:22,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:22,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:22,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:22,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:48:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:23,008 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:23,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:23,048 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:23,049 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 16:48:23,049 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:48:23,049 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-10-28 16:48:23,049 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:23,049 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:23,049 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:23,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:23,050 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-28 16:48:23,050 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:23,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:48:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:23,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:23,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:23,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 16:48:23,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:23,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:48:23,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:23,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:23,070 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:23,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:23,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:23,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:48:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:23,074 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:23,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:23,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:48:23,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:23,076 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:48:23,076 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:23,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:23,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:23,077 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:23,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:48:23,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:23,079 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:23,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:23,080 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:48:23,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:23,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:23,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:23,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:23,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:23,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:23,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:23,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:23,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:48:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:23,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:23,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:23,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:23,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:23,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:23,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:23,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:23,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:23,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:23,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:23,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:23,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 16:48:23,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:23,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:23,090 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:23,090 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 16:48:23,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:23,091 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:48:23,091 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:23,091 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:23,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:23,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:23,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:23,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:23,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:48:23,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:23,095 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:23,096 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:23,096 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:23,096 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:23,096 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:23,096 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:23,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:23,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:23,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:23,097 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:23,097 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:23,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 16:48:23,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:23,099 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:23,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:23,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:23,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:23,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:23,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:23,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:23,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:23,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:23,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:23,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:23,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-28 16:48:23,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:23,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:23,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:23,123 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:23,123 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:23,123 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:23,124 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:23,124 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:23,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:23,124 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:23,125 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:23,125 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:48:23,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 16:48:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:23,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:23,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:23,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:48:23,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:23,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:48:23,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:23,137 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:23,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:23,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:23,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 16:48:23,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:48:23,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:48:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:23,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:23,141 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:23,142 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:23,142 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:23,142 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:23,142 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:23,142 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:23,142 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:23,143 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:23,143 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:23,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 16:48:23,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:23,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:23,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:23,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:23,147 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:23,147 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:48:23,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:23,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:23,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:48:23,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:23,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:23,148 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:23,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-28 16:48:23,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:23,166 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:23,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:23,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:23,167 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:23,167 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:23,167 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:23,168 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:23,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:23,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:23,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:23,170 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:48:23,200 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 12 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2020-10-28 16:48:23,200 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [381400991] [2020-10-28 16:48:23,200 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:48:23,200 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 16:48:23,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [26900286] [2020-10-28 16:48:23,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:48:23,201 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:48:23,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:48:23,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:48:23,205 INFO L87 Difference]: Start difference. First operand 556 states and 641 transitions. Second operand 11 states. [2020-10-28 16:48:23,783 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:48:25,055 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:48:25,491 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:48:25,886 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:48:26,262 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:48:28,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:48:28,790 INFO L93 Difference]: Finished difference Result 1974 states and 2703 transitions. [2020-10-28 16:48:28,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-28 16:48:28,791 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 124 [2020-10-28 16:48:28,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:48:28,802 INFO L225 Difference]: With dead ends: 1974 [2020-10-28 16:48:28,802 INFO L226 Difference]: Without dead ends: 1446 [2020-10-28 16:48:28,806 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-10-28 16:48:28,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1446 states. [2020-10-28 16:48:29,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1446 to 986. [2020-10-28 16:48:29,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 986 states. [2020-10-28 16:48:29,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 986 states to 986 states and 1125 transitions. [2020-10-28 16:48:29,121 INFO L78 Accepts]: Start accepts. Automaton has 986 states and 1125 transitions. Word has length 124 [2020-10-28 16:48:29,122 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:48:29,122 INFO L481 AbstractCegarLoop]: Abstraction has 986 states and 1125 transitions. [2020-10-28 16:48:29,122 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:48:29,122 INFO L276 IsEmpty]: Start isEmpty. Operand 986 states and 1125 transitions. [2020-10-28 16:48:29,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-28 16:48:29,129 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:48:29,130 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:48:29,130 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 16:48:29,131 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 16:48:29,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:48:29,133 INFO L82 PathProgramCache]: Analyzing trace with hash -2143953957, now seen corresponding path program 1 times [2020-10-28 16:48:29,133 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:48:29,134 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1507192650] [2020-10-28 16:48:29,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:48:29,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:29,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:29,742 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:29,743 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-28 16:48:29,746 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:29,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 577 [2020-10-28 16:48:29,747 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:29,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:29,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 16:48:29,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:29,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-28 16:48:29,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:30,124 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:48:30,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:48:30,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:30,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:30,187 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:30,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:30,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:30,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 16:48:30,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:30,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:30,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:30,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:30,188 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:48:30,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:30,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:48:30,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:30,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:30,201 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:30,201 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:30,201 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:30,201 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:30,202 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:30,202 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:30,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:30,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:30,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:48:30,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:30,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:48:30,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:30,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:30,205 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:30,205 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:30,205 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:30,206 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:30,206 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:30,206 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:30,206 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:48:30,206 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:30,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:48:30,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:30,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:30,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:30,210 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:30,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:30,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:30,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:30,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:30,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:30,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:30,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:30,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:30,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:48:30,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:30,212 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:30,213 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:30,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:30,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:30,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:30,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:30,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:30,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:30,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:30,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:48:30,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:30,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:48:30,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:30,224 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:30,226 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:30,226 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:30,226 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:30,226 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:48:30,226 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:30,227 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:30,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:30,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:30,227 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:30,227 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:30,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-28 16:48:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:30,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:30,245 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:30,245 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:30,245 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:30,245 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:30,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:30,246 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:30,246 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:30,246 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:30,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-28 16:48:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:30,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:30,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:30,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 16:48:30,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:30,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 16:48:30,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:30,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:30,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:48:30,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 16:48:30,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-28 16:48:30,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:30,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:48:30,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:30,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:30,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:30,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 16:48:30,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:30,354 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 16:48:30,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:30,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:30,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:48:30,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:30,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 16:48:30,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:30,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:48:30,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:30,378 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:30,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:30,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:48:30,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:30,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:48:30,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:30,383 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:30,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:30,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:30,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 16:48:30,384 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:30,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:48:30,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:30,404 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:30,405 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:30,406 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:48:30,406 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:30,406 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:30,406 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:30,406 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:30,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:30,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:48:30,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:30,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:48:30,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:30,422 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:30,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:30,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:30,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:30,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:30,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:30,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:30,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:30,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:30,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:30,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:30,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 16:48:30,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:30,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:30,434 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:30,434 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 16:48:30,435 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:30,435 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:48:30,435 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:30,435 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:30,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:30,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:30,436 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 16:48:30,436 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:30,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:48:30,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:30,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:30,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:30,440 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:30,440 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:30,440 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:30,440 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:30,440 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:30,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:30,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:30,441 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:30,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 16:48:30,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:30,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:30,443 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:30,443 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:30,444 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:30,444 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:30,444 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:30,444 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:30,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:30,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:30,444 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:30,445 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:30,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 16:48:30,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:30,464 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:30,465 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:30,465 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:30,465 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:30,466 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:30,466 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:30,466 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:30,466 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:30,467 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:30,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-28 16:48:30,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:30,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:30,470 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:30,470 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:48:30,470 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:30,470 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:30,470 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:30,471 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:30,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:30,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 16:48:30,471 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:30,471 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:30,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:48:30,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:30,473 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:30,474 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:30,474 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:30,474 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:30,474 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:30,474 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:30,474 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:30,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:30,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:30,475 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:30,475 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:30,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-28 16:48:30,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:30,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:30,478 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:30,478 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:30,478 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:30,478 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:30,478 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:30,478 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:30,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:30,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:30,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:30,479 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:30,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 16:48:30,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:30,481 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:30,482 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:30,482 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:30,482 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:30,482 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:30,483 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:30,483 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:30,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:30,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:30,483 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:30,483 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:30,508 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 22 proven. 2 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-10-28 16:48:30,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1507192650] [2020-10-28 16:48:30,508 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:48:30,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 16:48:30,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [765003366] [2020-10-28 16:48:30,509 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 16:48:30,509 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:48:30,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 16:48:30,510 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-28 16:48:30,510 INFO L87 Difference]: Start difference. First operand 986 states and 1125 transitions. Second operand 12 states. [2020-10-28 16:48:31,151 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:48:32,306 WARN L193 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-28 16:48:35,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:48:35,885 INFO L93 Difference]: Finished difference Result 3381 states and 4312 transitions. [2020-10-28 16:48:35,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-10-28 16:48:35,886 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 128 [2020-10-28 16:48:35,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:48:35,901 INFO L225 Difference]: With dead ends: 3381 [2020-10-28 16:48:35,902 INFO L226 Difference]: Without dead ends: 2423 [2020-10-28 16:48:35,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 334 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2020-10-28 16:48:35,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2423 states. [2020-10-28 16:48:36,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2423 to 1709. [2020-10-28 16:48:36,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1709 states. [2020-10-28 16:48:36,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1709 states to 1709 states and 1978 transitions. [2020-10-28 16:48:36,408 INFO L78 Accepts]: Start accepts. Automaton has 1709 states and 1978 transitions. Word has length 128 [2020-10-28 16:48:36,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:48:36,409 INFO L481 AbstractCegarLoop]: Abstraction has 1709 states and 1978 transitions. [2020-10-28 16:48:36,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 16:48:36,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1709 states and 1978 transitions. [2020-10-28 16:48:36,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-28 16:48:36,413 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:48:36,414 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:48:36,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 16:48:36,414 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 16:48:36,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:48:36,414 INFO L82 PathProgramCache]: Analyzing trace with hash -2000955851, now seen corresponding path program 1 times [2020-10-28 16:48:36,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:48:36,415 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1838737043] [2020-10-28 16:48:36,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:48:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-28 16:48:36,455 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-28 16:48:36,455 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 16:48:36,460 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 16:48:36,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:48:36 BoogieIcfgContainer [2020-10-28 16:48:36,491 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:48:36,495 INFO L168 Benchmark]: Toolchain (without parser) took 86080.42 ms. Allocated memory was 151.0 MB in the beginning and 871.4 MB in the end (delta: 720.4 MB). Free memory was 124.7 MB in the beginning and 502.9 MB in the end (delta: -378.2 MB). Peak memory consumption was 343.4 MB. Max. memory is 8.0 GB. [2020-10-28 16:48:36,496 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 124.0 MB in the end (delta: 102.3 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:48:36,497 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.51 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 103.3 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:48:36,498 INFO L168 Benchmark]: Boogie Preprocessor took 80.79 ms. Allocated memory is still 151.0 MB. Free memory was 103.3 MB in the beginning and 99.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:48:36,498 INFO L168 Benchmark]: RCFGBuilder took 1402.17 ms. Allocated memory is still 151.0 MB. Free memory was 99.4 MB in the beginning and 52.6 MB in the end (delta: 46.9 MB). Peak memory consumption was 48.3 MB. Max. memory is 8.0 GB. [2020-10-28 16:48:36,500 INFO L168 Benchmark]: TraceAbstraction took 83960.07 ms. Allocated memory was 151.0 MB in the beginning and 871.4 MB in the end (delta: 720.4 MB). Free memory was 52.0 MB in the beginning and 502.9 MB in the end (delta: -450.9 MB). Peak memory consumption was 270.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:48:36,509 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 124.0 MB in the end (delta: 102.3 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 625.51 ms. Allocated memory is still 151.0 MB. Free memory was 124.0 MB in the beginning and 103.3 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 80.79 ms. Allocated memory is still 151.0 MB. Free memory was 103.3 MB in the beginning and 99.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1402.17 ms. Allocated memory is still 151.0 MB. Free memory was 99.4 MB in the beginning and 52.6 MB in the end (delta: 46.9 MB). Peak memory consumption was 48.3 MB. Max. memory is 8.0 GB. * TraceAbstraction took 83960.07 ms. Allocated memory was 151.0 MB in the beginning and 871.4 MB in the end (delta: 720.4 MB). Free memory was 52.0 MB in the beginning and 502.9 MB in the end (delta: -450.9 MB). Peak memory consumption was 270.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L49] int waterLevel = 1; [L50] int methaneLevelCritical = 0; [L312] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L547] int cleanupTimeShifts = 4; [L653] int pumpRunning = 0; [L654] int systemActive = 1; [L907] int methAndRunningLastTime ; [L625] int retValue_acc ; [L626] int tmp ; [L630] FCALL select_helpers() [L631] FCALL select_features() [L632] CALL, EXPR valid_product() [L538] int retValue_acc ; [L541] retValue_acc = 1 [L542] return (retValue_acc); [L632] RET, EXPR valid_product() [L632] tmp = valid_product() [L634] COND TRUE \read(tmp) [L636] FCALL setup() [L637] CALL runTest() [L618] CALL __utac_acc__Specification2_spec__1() [L912] methAndRunningLastTime = 0 [L618] RET __utac_acc__Specification2_spec__1() [L619] CALL test() [L830] int splverifierCounter ; [L831] int tmp ; [L832] int tmp___0 ; [L833] int tmp___1 ; [L834] int tmp___2 ; [L837] splverifierCounter = 0 [L839] COND TRUE 1 [L841] COND TRUE splverifierCounter < 4 [L847] tmp = __VERIFIER_nondet_int() [L849] COND TRUE \read(tmp) [L851] CALL waterRise() [L67] COND TRUE waterLevel < 2 [L68] waterLevel = waterLevel + 1 [L851] RET waterRise() [L857] tmp___0 = __VERIFIER_nondet_int() [L859] COND TRUE \read(tmp___0) [L861] CALL changeMethaneLevel() [L79] COND FALSE !(\read(methaneLevelCritical)) [L82] methaneLevelCritical = 1 [L861] RET changeMethaneLevel() [L867] tmp___2 = __VERIFIER_nondet_int() [L869] COND FALSE !(\read(tmp___2)) [L875] tmp___1 = __VERIFIER_nondet_int() [L877] COND FALSE !(\read(tmp___1)) [L886] CALL timeShift() [L661] COND FALSE !(\read(pumpRunning)) [L668] COND TRUE \read(systemActive) [L670] CALL processEnvironment() [L690] int tmp ; [L693] COND TRUE ! pumpRunning [L695] CALL, EXPR isHighWaterLevel() [L787] int retValue_acc ; [L788] int tmp ; [L789] int tmp___0 ; [L793] CALL, EXPR isHighWaterSensorDry() [L129] int retValue_acc ; [L132] COND FALSE !(waterLevel < 2) [L136] retValue_acc = 0 [L137] return (retValue_acc); [L793] RET, EXPR isHighWaterSensorDry() [L793] tmp = isHighWaterSensorDry() [L795] COND FALSE !(\read(tmp)) [L798] tmp___0 = 1 [L800] retValue_acc = tmp___0 [L801] return (retValue_acc); [L695] RET, EXPR isHighWaterLevel() [L695] tmp = isHighWaterLevel() [L697] COND TRUE \read(tmp) [L699] CALL activatePump() [L718] pumpRunning = 1 [L699] RET activatePump() [L670] RET processEnvironment() [L676] CALL __utac_acc__Specification2_spec__2() [L917] int tmp ; [L918] int tmp___0 ; [L922] CALL, EXPR isMethaneLevelCritical() [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L922] RET, EXPR isMethaneLevelCritical() [L922] tmp = isMethaneLevelCritical() [L924] COND TRUE \read(tmp) [L926] CALL, EXPR isPumpRunning() [L742] int retValue_acc ; [L745] retValue_acc = pumpRunning [L746] return (retValue_acc); [L926] RET, EXPR isPumpRunning() [L926] tmp___0 = isPumpRunning() [L928] COND TRUE \read(tmp___0) [L929] COND FALSE !(\read(methAndRunningLastTime)) [L934] methAndRunningLastTime = 1 [L676] RET __utac_acc__Specification2_spec__2() [L886] RET timeShift() [L839] COND TRUE 1 [L841] COND TRUE splverifierCounter < 4 [L847] tmp = __VERIFIER_nondet_int() [L849] COND FALSE !(\read(tmp)) [L857] tmp___0 = __VERIFIER_nondet_int() [L859] COND FALSE !(\read(tmp___0)) [L867] tmp___2 = __VERIFIER_nondet_int() [L869] COND FALSE !(\read(tmp___2)) [L875] tmp___1 = __VERIFIER_nondet_int() [L877] COND FALSE !(\read(tmp___1)) [L886] CALL timeShift() [L661] COND TRUE \read(pumpRunning) [L663] CALL lowerWaterLevel() [L55] COND TRUE waterLevel > 0 [L56] waterLevel = waterLevel - 1 [L663] RET lowerWaterLevel() [L668] COND TRUE \read(systemActive) [L670] CALL processEnvironment() [L690] int tmp ; [L693] COND FALSE !(! pumpRunning) [L708] FCALL processEnvironment__wrappee__base() [L670] RET processEnvironment() [L676] CALL __utac_acc__Specification2_spec__2() [L917] int tmp ; [L918] int tmp___0 ; [L922] CALL, EXPR isMethaneLevelCritical() [L88] int retValue_acc ; [L91] retValue_acc = methaneLevelCritical [L92] return (retValue_acc); [L922] RET, EXPR isMethaneLevelCritical() [L922] tmp = isMethaneLevelCritical() [L924] COND TRUE \read(tmp) [L926] CALL, EXPR isPumpRunning() [L742] int retValue_acc ; [L745] retValue_acc = pumpRunning [L746] return (retValue_acc); [L926] RET, EXPR isPumpRunning() [L926] tmp___0 = isPumpRunning() [L928] COND TRUE \read(tmp___0) [L929] COND TRUE \read(methAndRunningLastTime) [L931] CALL __automaton_fail() [L902] CALL reach_error() [L3] __assert_fail("0", "minepump_spec2_product36.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 242 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 83.8s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 34.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1068 SDtfs, 3165 SDslu, 1212 SDs, 0 SdLazy, 5717 SolverSat, 2446 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 17.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 422 GetRequests, 277 SyntacticMatches, 2 SemanticMatches, 143 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 783 ImplicationChecksByTransitivity, 15.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1709occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 2112 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 46.5s InterpolantComputationTime, 952 NumberOfCodeBlocks, 952 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 811 ConstructedInterpolants, 0 QuantifiedInterpolants, 298940 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 4 PerfectInterpolantSequences, 145/155 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...