/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_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:47:02,054 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:47:02,057 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:47:02,104 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:47:02,105 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:47:02,112 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:47:02,114 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:47:02,119 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:47:02,122 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:47:02,128 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:47:02,130 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:47:02,132 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:47:02,132 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:47:02,135 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:47:02,138 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:47:02,141 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:47:02,142 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:47:02,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:47:02,154 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:47:02,161 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:47:02,164 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:47:02,166 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:47:02,167 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:47:02,170 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:47:02,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:47:02,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:47:02,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:47:02,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:47:02,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:47:02,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:47:02,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:47:02,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:47:02,196 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:47:02,197 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:47:02,198 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:47:02,198 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:47:02,199 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:47:02,199 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:47:02,199 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:47:02,200 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:47:02,201 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:47:02,202 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 16:47:02,253 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:47:02,254 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:47:02,256 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:47:02,256 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:47:02,257 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:47:02,257 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:47:02,259 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:47:02,259 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:47:02,260 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:47:02,260 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:47:02,260 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:47:02,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:47:02,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:47:02,261 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:47:02,261 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:47:02,262 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:47:02,262 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:47:02,263 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:47:02,263 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:47:02,263 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:47:02,263 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:47:02,263 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:47:02,264 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:47:02,264 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:47:02,264 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:47:02,265 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:47:02,265 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:47:02,265 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:47:02,265 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:47:02,265 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:47:02,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:47:02,775 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:47:02,779 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:47:02,780 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:47:02,781 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:47:02,782 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2020-10-28 16:47:02,866 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f37db3174/6f8661829ae843918cdfc886d782eaf2/FLAG831f9374c [2020-10-28 16:47:03,740 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:47:03,741 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product34.cil.c [2020-10-28 16:47:03,760 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f37db3174/6f8661829ae843918cdfc886d782eaf2/FLAG831f9374c [2020-10-28 16:47:03,966 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/f37db3174/6f8661829ae843918cdfc886d782eaf2 [2020-10-28 16:47:03,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:47:03,980 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:47:03,985 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:47:03,986 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:47:03,990 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:47:03,991 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:47:03" (1/1) ... [2020-10-28 16:47:03,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70f102c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:03, skipping insertion in model container [2020-10-28 16:47:03,998 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:47:03" (1/1) ... [2020-10-28 16:47:04,008 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:47:04,077 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:47:04,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:47:04,414 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:47:04,503 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:47:04,552 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:47:04,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:04 WrapperNode [2020-10-28 16:47:04,553 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:47:04,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:47:04,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:47:04,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:47:04,568 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:04" (1/1) ... [2020-10-28 16:47:04,568 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:04" (1/1) ... [2020-10-28 16:47:04,588 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:04" (1/1) ... [2020-10-28 16:47:04,589 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:04" (1/1) ... [2020-10-28 16:47:04,626 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:04" (1/1) ... [2020-10-28 16:47:04,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:04" (1/1) ... [2020-10-28 16:47:04,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:04" (1/1) ... [2020-10-28 16:47:04,653 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:47:04,654 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:47:04,654 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:47:04,654 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:47:04,655 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:04" (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 16:47:04,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:47:04,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:47:04,727 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:47:04,727 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:47:04,727 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:47:04,728 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:47:04,728 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:47:04,728 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:47:04,728 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:47:04,728 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:47:04,728 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:47:04,728 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:47:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:47:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:47:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:47:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-28 16:47:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:47:04,729 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:47:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:47:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:47:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:47:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:47:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:47:04,730 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:47:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:47:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:47:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:47:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:47:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:47:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:47:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:47:04,731 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:47:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:47:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:47:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:47:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:47:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:47:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:47:04,732 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-28 16:47:04,733 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 16:47:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:47:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:47:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:47:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:47:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:47:04,733 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:47:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:47:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:47:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:47:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:47:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:47:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:47:04,734 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:47:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:47:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:47:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:47:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:47:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:47:04,735 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:47:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:47:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:47:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:47:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:47:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:47:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-28 16:47:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:47:04,736 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:47:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:47:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:47:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:47:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:47:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:47:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:47:04,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:47:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:47:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:47:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:47:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:47:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:47:04,738 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:47:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:47:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:47:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:47:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:47:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 16:47:04,739 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:47:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:47:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:47:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:47:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-28 16:47:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:47:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:47:04,740 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:47:04,741 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:47:06,161 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:47:06,161 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:47:06,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:47:06 BoogieIcfgContainer [2020-10-28 16:47:06,164 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:47:06,166 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:47:06,166 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:47:06,170 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:47:06,171 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:47:03" (1/3) ... [2020-10-28 16:47:06,172 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d56c86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:47:06, skipping insertion in model container [2020-10-28 16:47:06,172 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:47:04" (2/3) ... [2020-10-28 16:47:06,173 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7d56c86a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:47:06, skipping insertion in model container [2020-10-28 16:47:06,173 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:47:06" (3/3) ... [2020-10-28 16:47:06,175 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product34.cil.c [2020-10-28 16:47:06,188 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:47:06,194 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:47:06,209 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:47:06,239 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:47:06,239 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:47:06,239 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:47:06,239 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:47:06,239 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:47:06,240 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:47:06,260 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:47:06,260 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:47:06,287 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2020-10-28 16:47:06,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-28 16:47:06,298 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:47:06,299 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 16:47:06,300 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 16:47:06,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:47:06,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1378842312, now seen corresponding path program 1 times [2020-10-28 16:47:06,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:47:06,320 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1308411164] [2020-10-28 16:47:06,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:47:06,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:06,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:06,922 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:07,578 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:09,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:09,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:11,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:11,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 16:47:11,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:47:11,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-28 16:47:11,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:11,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:11,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:11,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 16:47:11,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:11,639 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 12 [2020-10-28 16:47:12,089 WARN L193 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:12,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:47:12,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:12,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:12,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:12,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:12,150 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:12,150 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 42 [2020-10-28 16:47:12,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:12,151 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:12,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:12,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:12,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:12,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:12,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:47:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:12,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:12,175 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:12,176 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:12,176 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:12,176 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:12,176 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:12,177 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:12,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:12,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:12,177 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:12,177 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:12,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:47:12,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:12,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:12,182 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:12,182 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:12,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:12,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:12,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:12,183 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:12,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:12,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:12,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:12,183 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:12,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:47:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:12,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:12,188 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:12,188 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:12,189 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:12,189 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:12,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:12,189 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:12,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:12,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:12,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:12,190 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:12,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:47:12,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:12,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:12,195 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:12,195 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:12,195 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:12,195 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:12,195 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:12,196 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:12,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:12,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:12,196 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:12,196 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:12,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:47:12,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:12,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:12,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:12,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:12,210 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:12,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:12,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:12,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:12,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:12,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:12,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:12,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:12,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:47:12,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:12,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:12,217 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:12,217 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:12,217 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:12,218 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:47:12,218 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:12,218 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:12,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:12,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:12,218 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:12,219 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:12,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:47:12,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:12,223 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:12,225 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:12,225 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:12,225 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:12,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:12,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:12,226 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:12,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:12,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:12,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:12,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:12,256 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 16:47:12,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1308411164] [2020-10-28 16:47:12,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:47:12,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:47:12,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [388815606] [2020-10-28 16:47:12,266 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:47:12,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:47:12,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:47:12,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:47:12,284 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 4 states. [2020-10-28 16:47:13,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:47:13,632 INFO L93 Difference]: Finished difference Result 263 states and 346 transitions. [2020-10-28 16:47:13,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 16:47:13,634 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-10-28 16:47:13,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:47:13,649 INFO L225 Difference]: With dead ends: 263 [2020-10-28 16:47:13,650 INFO L226 Difference]: Without dead ends: 146 [2020-10-28 16:47:13,654 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 16:47:13,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2020-10-28 16:47:13,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 115. [2020-10-28 16:47:13,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-28 16:47:13,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 134 transitions. [2020-10-28 16:47:13,756 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 134 transitions. Word has length 52 [2020-10-28 16:47:13,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:47:13,756 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 134 transitions. [2020-10-28 16:47:13,756 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:47:13,757 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 134 transitions. [2020-10-28 16:47:13,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:47:13,760 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:47:13,760 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 16:47:13,760 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:47:13,761 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 16:47:13,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:47:13,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1328285870, now seen corresponding path program 1 times [2020-10-28 16:47:13,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:47:13,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1145699133] [2020-10-28 16:47:13,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:47:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:13,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:13,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:14,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:15,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:15,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:18,813 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:18,814 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 16:47:18,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:47:18,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5016 [2020-10-28 16:47:18,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:18,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:18,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:18,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 16:47:18,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:47:18,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:19,259 WARN L193 SmtUtils]: Spent 384.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:19,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:47:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:19,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 41 [2020-10-28 16:47:19,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:19,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:19,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:19,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:19,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:47:19,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,335 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:19,335 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,335 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:19,335 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,336 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:19,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:19,336 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:19,336 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:19,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:47:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:19,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:47:19,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:19,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:19,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:19,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:19,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:47:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,350 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,350 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:19,350 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,350 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:19,350 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,351 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:19,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:19,351 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:19,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:19,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:47:19,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,355 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,355 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,355 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:19,356 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,356 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:19,356 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,356 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:19,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:19,357 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:19,357 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:19,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:47:19,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,370 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,370 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:19,371 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,371 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:19,371 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,371 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:19,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:19,372 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:19,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:19,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:47:19,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,376 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:19,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:47:19,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:19,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:19,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:19,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:19,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:47:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:19,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:19,386 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:19,386 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:19,386 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:19,386 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:19,386 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:19,387 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:19,387 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:19,387 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:19,399 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 16:47:19,400 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1145699133] [2020-10-28 16:47:19,400 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:47:19,400 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:47:19,401 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914628576] [2020-10-28 16:47:19,404 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:47:19,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:47:19,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:47:19,406 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:47:19,406 INFO L87 Difference]: Start difference. First operand 115 states and 134 transitions. Second operand 5 states. [2020-10-28 16:47:20,099 WARN L193 SmtUtils]: Spent 356.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:47:21,151 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:47:21,151 INFO L93 Difference]: Finished difference Result 201 states and 249 transitions. [2020-10-28 16:47:21,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 16:47:21,153 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 16:47:21,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:47:21,159 INFO L225 Difference]: With dead ends: 201 [2020-10-28 16:47:21,160 INFO L226 Difference]: Without dead ends: 136 [2020-10-28 16:47:21,163 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 16:47:21,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-28 16:47:21,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 106. [2020-10-28 16:47:21,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-28 16:47:21,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2020-10-28 16:47:21,236 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 53 [2020-10-28 16:47:21,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:47:21,236 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2020-10-28 16:47:21,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:47:21,237 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2020-10-28 16:47:21,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 16:47:21,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:47:21,246 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 16:47:21,246 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:47:21,250 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 16:47:21,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:47:21,251 INFO L82 PathProgramCache]: Analyzing trace with hash -500272958, now seen corresponding path program 1 times [2020-10-28 16:47:21,251 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:47:21,251 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [630506620] [2020-10-28 16:47:21,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:47:21,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:21,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:21,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:22,054 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:22,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:22,911 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:26,297 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:26,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 16:47:26,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:47:26,298 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 16:47:26,298 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:26,299 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:26,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:47:26,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:26,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-28 16:47:26,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:26,734 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:26,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:47:26,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:26,767 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:26,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:26,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:26,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:26,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 78 [2020-10-28 16:47:26,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:26,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:26,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:26,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:26,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:47:26,836 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:26,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:47:26,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:26,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:26,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:26,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:26,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:26,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:26,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:26,856 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:26,856 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:26,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:26,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:47:26,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:26,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:47:26,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:26,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:26,862 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:26,862 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:26,862 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:26,862 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:26,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:26,862 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:26,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:26,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:26,863 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:47:26,863 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:26,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:47:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:26,866 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:26,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:26,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:26,868 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:26,868 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:26,868 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:26,868 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:26,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:26,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:26,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:47:26,869 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:26,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:47:26,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:26,872 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:26,873 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:26,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:26,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:26,874 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:26,874 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:26,874 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:26,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:26,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:26,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:47:26,875 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:26,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:47:26,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:26,889 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:26,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:26,891 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:26,891 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:26,891 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:47:26,891 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:26,891 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:26,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:26,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:26,892 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:47:26,892 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:26,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:47:26,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:26,895 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:26,896 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:26,896 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:26,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:26,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:26,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:26,897 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:26,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:26,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:26,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:26,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:26,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 16:47:26,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:26,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:26,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:26,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:26,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:26,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:26,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:26,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:26,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:26,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:26,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:26,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:26,914 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 16:47:26,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [630506620] [2020-10-28 16:47:26,914 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:47:26,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:47:26,915 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1826199816] [2020-10-28 16:47:26,915 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:47:26,915 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:47:26,916 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:47:26,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:47:26,916 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 6 states. [2020-10-28 16:47:27,502 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:47:28,485 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:47:28,485 INFO L93 Difference]: Finished difference Result 214 states and 268 transitions. [2020-10-28 16:47:28,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-10-28 16:47:28,486 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-10-28 16:47:28,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:47:28,490 INFO L225 Difference]: With dead ends: 214 [2020-10-28 16:47:28,490 INFO L226 Difference]: Without dead ends: 136 [2020-10-28 16:47:28,494 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:47:28,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-10-28 16:47:28,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 106. [2020-10-28 16:47:28,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-28 16:47:28,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 121 transitions. [2020-10-28 16:47:28,562 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 121 transitions. Word has length 58 [2020-10-28 16:47:28,564 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:47:28,564 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 121 transitions. [2020-10-28 16:47:28,564 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:47:28,565 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 121 transitions. [2020-10-28 16:47:28,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-10-28 16:47:28,566 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:47:28,567 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:47:28,567 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:47:28,567 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 16:47:28,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:47:28,568 INFO L82 PathProgramCache]: Analyzing trace with hash 42172843, now seen corresponding path program 1 times [2020-10-28 16:47:28,568 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:47:28,569 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [317509690] [2020-10-28 16:47:28,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:47:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:28,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:28,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:29,060 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:30,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:31,589 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:31,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:33,606 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:33,606 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-28 16:47:33,607 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:47:33,607 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-28 16:47:33,607 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:33,607 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:33,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:47:33,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 16:47:33,607 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 16:47:33,608 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:34,016 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:34,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:47:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:34,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:34,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:34,051 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:34,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:34,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-28 16:47:34,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:34,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:34,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:34,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:34,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:34,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:34,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:47:34,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:34,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:34,067 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:34,067 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:34,067 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:34,067 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:34,068 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:34,068 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:34,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:34,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:34,068 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:34,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:34,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:47:34,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:34,071 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:34,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:34,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:34,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:34,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:34,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:34,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:34,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:34,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:34,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:34,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:34,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:47:34,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:34,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:34,076 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:34,076 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:34,076 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:34,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:34,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:34,077 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:34,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:34,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:34,077 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:34,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:34,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:47:34,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:34,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:34,080 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:34,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:34,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:34,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:34,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:34,081 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:34,081 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:34,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:34,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:34,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:34,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:47:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:34,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:34,098 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:34,098 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:34,098 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:34,098 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:34,098 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:34,099 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:34,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:34,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:34,099 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:34,099 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:34,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 16:47:34,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:34,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:34,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:34,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:47:34,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:34,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:47:34,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:34,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:34,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:47:34,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 16:47:34,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 16:47:34,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:34,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:47:34,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:34,145 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:34,146 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:34,146 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:34,146 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:34,146 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:34,146 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:34,147 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:34,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:34,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:34,147 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:47:34,147 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:34,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 16:47:34,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:34,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:34,151 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:34,151 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:34,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:34,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:34,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:34,152 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:34,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:34,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:34,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:34,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:34,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 16:47:34,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:34,154 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:34,155 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:34,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:34,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:34,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:34,155 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:34,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:34,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:34,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:34,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:34,156 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:34,166 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 16:47:34,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [317509690] [2020-10-28 16:47:34,167 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:47:34,167 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:47:34,167 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133576554] [2020-10-28 16:47:34,168 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:47:34,168 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:47:34,169 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:47:34,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:47:34,169 INFO L87 Difference]: Start difference. First operand 106 states and 121 transitions. Second operand 8 states. [2020-10-28 16:47:34,870 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:47:36,615 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:47:37,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:47:37,338 INFO L93 Difference]: Finished difference Result 306 states and 386 transitions. [2020-10-28 16:47:37,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 16:47:37,339 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 66 [2020-10-28 16:47:37,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:47:37,342 INFO L225 Difference]: With dead ends: 306 [2020-10-28 16:47:37,343 INFO L226 Difference]: Without dead ends: 228 [2020-10-28 16:47:37,344 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2020-10-28 16:47:37,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-10-28 16:47:37,411 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 177. [2020-10-28 16:47:37,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 177 states. [2020-10-28 16:47:37,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 177 states and 204 transitions. [2020-10-28 16:47:37,413 INFO L78 Accepts]: Start accepts. Automaton has 177 states and 204 transitions. Word has length 66 [2020-10-28 16:47:37,413 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:47:37,413 INFO L481 AbstractCegarLoop]: Abstraction has 177 states and 204 transitions. [2020-10-28 16:47:37,413 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:47:37,413 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 204 transitions. [2020-10-28 16:47:37,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 16:47:37,415 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:47:37,415 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:47:37,415 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:47:37,415 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 16:47:37,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:47:37,416 INFO L82 PathProgramCache]: Analyzing trace with hash 1914469255, now seen corresponding path program 1 times [2020-10-28 16:47:37,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:47:37,417 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [659627432] [2020-10-28 16:47:37,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:47:37,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:37,468 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:37,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:38,389 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:38,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:39,210 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:42,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:42,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 16:47:42,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:47:42,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 16:47:42,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:42,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:42,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:47:42,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:47:42,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 72 [2020-10-28 16:47:42,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:42,857 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:42,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:47:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:42,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:42,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:42,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:42,896 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:42,896 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-28 16:47:42,896 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:42,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:42,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:42,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:42,897 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:42,897 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:42,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:47:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:42,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:42,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:42,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:42,913 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:42,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:42,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:42,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:42,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:42,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:42,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:42,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:42,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:47:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:42,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:42,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:42,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:42,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:42,919 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:42,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:42,919 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:42,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:42,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:42,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:42,920 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:42,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:47:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:42,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:42,923 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:42,924 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:42,924 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:42,924 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:42,924 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:42,924 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:42,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:42,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:42,925 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:42,925 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:42,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:47:42,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:42,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:42,928 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:42,929 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:42,929 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:42,929 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:42,929 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:42,929 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:42,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:42,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:42,930 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:42,930 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:42,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:47:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:42,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:42,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:42,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:42,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:42,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:47:42,946 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:42,947 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:42,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:42,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:42,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:47:42,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:42,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 16:47:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:42,967 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:42,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:42,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 16:47:42,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:42,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 16:47:42,975 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:42,975 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:42,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:42,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:42,976 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 16:47:42,976 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:42,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:47:42,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:42,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:42,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:42,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:47:42,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:42,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:47:42,984 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:42,984 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:42,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:42,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:42,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:42,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:42,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:47:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:42,988 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:42,989 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:42,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:47:42,990 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:42,990 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:42,990 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:42,990 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:42,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:42,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:42,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:42,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:42,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:47:42,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:42,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:42,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:42,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:42,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:42,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:42,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:42,996 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:42,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:42,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:42,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:42,996 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:42,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 16:47:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:43,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:43,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:43,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:43,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:43,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:47:43,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:43,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:43,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:43,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:43,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:47:43,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:43,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 16:47:43,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:43,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:43,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:43,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:43,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:43,008 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:47:43,008 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:43,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:43,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:47:43,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:43,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:47:43,009 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:43,025 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 16:47:43,025 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [659627432] [2020-10-28 16:47:43,026 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:47:43,026 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:47:43,026 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884772985] [2020-10-28 16:47:43,027 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:47:43,027 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:47:43,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:47:43,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:47:43,028 INFO L87 Difference]: Start difference. First operand 177 states and 204 transitions. Second operand 6 states. [2020-10-28 16:47:43,581 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:47:46,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:47:46,020 INFO L93 Difference]: Finished difference Result 436 states and 581 transitions. [2020-10-28 16:47:46,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 16:47:46,022 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 80 [2020-10-28 16:47:46,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:47:46,028 INFO L225 Difference]: With dead ends: 436 [2020-10-28 16:47:46,028 INFO L226 Difference]: Without dead ends: 432 [2020-10-28 16:47:46,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:47:46,030 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 432 states. [2020-10-28 16:47:46,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 432 to 334. [2020-10-28 16:47:46,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 334 states. [2020-10-28 16:47:46,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 334 states and 396 transitions. [2020-10-28 16:47:46,138 INFO L78 Accepts]: Start accepts. Automaton has 334 states and 396 transitions. Word has length 80 [2020-10-28 16:47:46,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:47:46,139 INFO L481 AbstractCegarLoop]: Abstraction has 334 states and 396 transitions. [2020-10-28 16:47:46,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:47:46,139 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 396 transitions. [2020-10-28 16:47:46,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-28 16:47:46,141 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:47:46,142 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 16:47:46,142 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:47:46,142 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 16:47:46,143 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:47:46,143 INFO L82 PathProgramCache]: Analyzing trace with hash -1287461084, now seen corresponding path program 1 times [2020-10-28 16:47:46,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:47:46,144 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [111889373] [2020-10-28 16:47:46,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:47:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:46,197 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:46,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:48,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:51,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:51,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 16:47:51,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:47:51,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 16:47:51,194 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:51,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:51,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:47:51,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-10-28 16:47:51,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:47:51,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:51,619 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:47:51,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:47:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:51,635 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:51,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:51,693 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:51,693 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:51,693 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 60 [2020-10-28 16:47:51,693 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:51,693 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:51,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:51,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:51,694 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:51,694 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:51,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:47:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:51,712 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:51,713 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:51,713 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:51,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:51,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:51,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:51,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:51,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:51,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:51,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:51,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:51,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:47:51,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:51,716 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:51,717 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:51,717 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:51,717 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:51,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:51,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:51,718 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:51,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:51,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:51,718 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:51,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:51,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:47:51,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:51,721 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:51,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:51,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:51,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:51,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:51,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:51,723 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:51,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:51,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:51,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:51,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:51,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:47:51,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:51,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:51,727 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:51,727 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:51,728 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:51,728 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:51,728 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:51,728 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:51,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:51,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:51,729 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:51,729 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:51,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:47:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:51,744 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:51,745 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:51,745 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:51,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:51,746 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:51,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:51,746 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:51,746 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:51,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:51,747 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:51,747 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:51,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:47:51,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:51,774 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:51,825 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:51,826 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 16:47:51,826 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:51,826 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 52 [2020-10-28 16:47:51,826 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:51,827 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:51,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:47:51,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 16:47:51,827 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:47:51,827 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:51,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:47:51,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:51,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:51,868 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:51,868 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 16:47:51,869 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:51,869 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 16:47:51,869 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:51,869 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:51,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:47:51,869 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 16:47:51,870 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:47:51,870 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:51,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:47:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:51,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:51,971 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:51,971 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:47:51,971 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:51,971 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 16:47:51,972 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:51,972 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:51,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:47:51,974 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:51,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 16:47:51,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-28 16:47:52,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:47:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:52,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:52,040 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:52,040 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:47:52,040 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:52,040 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:52,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:52,041 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:52,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:52,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:52,041 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:52,041 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:52,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:47:52,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:52,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:52,050 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:52,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:52,051 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:52,051 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:47:52,051 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:52,052 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:52,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:52,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:52,052 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:52,052 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:47:52,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 16:47:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:52,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:52,071 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:52,071 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 16:47:52,071 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:52,071 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 16:47:52,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:52,072 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:52,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:52,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 16:47:52,072 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:52,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:52,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:47:52,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:52,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:52,079 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:52,079 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:52,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:52,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:52,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:52,079 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:52,079 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:52,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:52,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:52,080 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:52,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 16:47:52,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:52,083 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:52,083 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:52,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:52,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:52,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:52,084 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:52,084 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:52,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:52,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:52,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:52,085 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:52,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-28 16:47:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:52,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:52,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:52,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:52,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:52,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:52,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:52,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:52,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:52,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:52,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:52,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:52,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 16:47:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:52,122 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:52,123 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:52,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:47:52,124 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:52,124 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:52,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:52,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:52,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:52,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 16:47:52,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:52,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:52,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:47:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:52,134 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:52,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:52,135 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:47:52,135 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:52,135 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:52,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:52,136 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:52,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:52,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:47:52,136 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:52,136 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:52,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 16:47:52,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:52,139 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:52,140 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:52,140 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:52,140 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:52,140 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:47:52,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:52,140 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:52,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:52,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:52,141 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:52,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:52,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-28 16:47:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:52,144 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:52,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:47:52,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:47:52,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:47:52,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:47:52,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:47:52,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:47:52,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:47:52,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:47:52,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:47:52,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:47:52,176 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 16:47:52,176 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [111889373] [2020-10-28 16:47:52,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:47:52,177 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 16:47:52,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23727138] [2020-10-28 16:47:52,178 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:47:52,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:47:52,178 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:47:52,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:47:52,179 INFO L87 Difference]: Start difference. First operand 334 states and 396 transitions. Second operand 11 states. [2020-10-28 16:47:53,605 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:47:54,019 WARN L193 SmtUtils]: Spent 387.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:47:54,462 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:47:54,908 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2020-10-28 16:47:55,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:47:55,977 INFO L93 Difference]: Finished difference Result 804 states and 1101 transitions. [2020-10-28 16:47:55,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-28 16:47:55,978 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 124 [2020-10-28 16:47:55,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:47:55,988 INFO L225 Difference]: With dead ends: 804 [2020-10-28 16:47:55,989 INFO L226 Difference]: Without dead ends: 498 [2020-10-28 16:47:55,996 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 2.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-10-28 16:47:55,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 498 states. [2020-10-28 16:47:56,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 498 to 344. [2020-10-28 16:47:56,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-10-28 16:47:56,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 406 transitions. [2020-10-28 16:47:56,123 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 406 transitions. Word has length 124 [2020-10-28 16:47:56,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:47:56,124 INFO L481 AbstractCegarLoop]: Abstraction has 344 states and 406 transitions. [2020-10-28 16:47:56,124 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:47:56,124 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 406 transitions. [2020-10-28 16:47:56,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-28 16:47:56,126 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:47:56,126 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 16:47:56,127 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 16:47:56,127 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 16:47:56,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:47:56,128 INFO L82 PathProgramCache]: Analyzing trace with hash 1096463654, now seen corresponding path program 1 times [2020-10-28 16:47:56,128 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:47:56,128 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1759968931] [2020-10-28 16:47:56,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:47:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:47:56,176 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:56,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:47:57,981 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:01,160 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:01,160 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 16:48:01,160 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:48:01,160 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 16:48:01,161 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:01,161 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:01,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:48:01,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 75 [2020-10-28 16:48:01,161 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:01,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:01,565 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:48:01,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:48:01,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:01,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:01,599 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:01,599 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:01,599 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:01,599 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-28 16:48:01,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:01,600 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:01,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:01,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:01,600 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:01,600 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:01,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:48:01,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:01,615 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:01,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:01,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:01,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:01,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:01,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:01,616 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:01,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:01,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:01,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:01,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:01,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:48:01,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:01,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:01,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:01,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:01,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:01,621 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:01,621 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:01,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:01,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:01,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:01,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:01,622 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:01,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:48:01,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:01,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:01,624 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:01,624 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:01,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:01,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:01,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:01,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:01,625 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:01,625 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:01,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:48:01,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:01,629 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:01,630 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:01,630 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:01,630 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:01,630 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:01,630 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:01,631 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:01,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:01,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:01,631 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:01,631 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:01,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:48:01,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:01,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:01,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:01,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:01,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:01,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:01,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:01,645 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:01,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:01,645 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:01,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:01,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:01,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:48:01,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:01,668 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:01,692 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:01,692 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 16:48:01,692 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:01,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 16:48:01,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:01,692 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:01,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:48:01,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 16:48:01,693 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:01,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:01,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:48:01,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:01,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:01,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:01,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 16:48:01,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:01,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 16:48:01,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:01,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:01,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:48:01,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 16:48:01,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:01,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:01,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:48:01,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:01,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:01,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:01,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:48:01,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:01,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 16:48:01,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:01,734 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:01,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:48:01,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:48:01,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:01,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:01,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:48:01,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:01,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:01,760 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:01,760 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:48:01,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:01,761 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:48:01,761 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:01,761 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:01,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:48:01,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:01,761 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:01,761 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:01,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:48:01,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:01,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:01,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:01,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:01,781 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:01,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:01,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:01,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:01,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:01,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:01,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:01,782 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:01,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 16:48:01,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:01,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:01,798 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:01,798 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 16:48:01,798 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:01,799 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 16:48:01,799 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:01,799 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:01,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:01,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 22 [2020-10-28 16:48:01,799 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:01,799 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:01,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:48:01,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:01,806 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:01,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:01,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:01,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:01,807 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:01,807 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:01,807 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:01,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:01,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:01,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:01,808 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:01,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 16:48:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:01,811 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:01,812 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:01,812 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:01,813 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:01,813 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:01,813 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:01,813 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:01,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:01,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:01,813 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:01,813 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:01,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-28 16:48:01,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:01,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:01,835 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:01,835 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:01,835 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:01,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:01,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:01,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:01,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:01,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:01,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:01,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:01,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 16:48:01,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:01,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:01,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:01,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:48:01,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:01,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:01,839 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:01,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 16:48:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:01,840 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:01,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:48:01,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:01,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:01,843 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:01,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:01,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:01,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:01,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:01,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:01,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:01,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:01,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:01,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:01,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 16:48:01,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:01,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:01,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:01,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:01,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:01,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:01,847 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:01,847 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:01,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:01,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:01,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:01,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:01,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-28 16:48:01,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:01,850 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:01,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:01,851 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:01,851 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:01,851 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:01,851 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:01,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:01,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:01,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:01,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:01,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:01,878 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 16:48:01,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1759968931] [2020-10-28 16:48:01,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:48:01,879 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-10-28 16:48:01,879 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1126840676] [2020-10-28 16:48:01,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-28 16:48:01,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:48:01,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-28 16:48:01,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2020-10-28 16:48:01,881 INFO L87 Difference]: Start difference. First operand 344 states and 406 transitions. Second operand 10 states. [2020-10-28 16:48:03,103 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:48:03,524 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:48:03,929 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:48:05,143 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:48:05,144 INFO L93 Difference]: Finished difference Result 828 states and 1159 transitions. [2020-10-28 16:48:05,144 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 16:48:05,144 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 124 [2020-10-28 16:48:05,145 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:48:05,150 INFO L225 Difference]: With dead ends: 828 [2020-10-28 16:48:05,150 INFO L226 Difference]: Without dead ends: 512 [2020-10-28 16:48:05,152 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-10-28 16:48:05,154 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2020-10-28 16:48:05,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 352. [2020-10-28 16:48:05,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 352 states. [2020-10-28 16:48:05,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 414 transitions. [2020-10-28 16:48:05,260 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 414 transitions. Word has length 124 [2020-10-28 16:48:05,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:48:05,260 INFO L481 AbstractCegarLoop]: Abstraction has 352 states and 414 transitions. [2020-10-28 16:48:05,260 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-28 16:48:05,260 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 414 transitions. [2020-10-28 16:48:05,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-10-28 16:48:05,262 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:48:05,263 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 16:48:05,263 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 16:48:05,263 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 16:48:05,264 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:48:05,264 INFO L82 PathProgramCache]: Analyzing trace with hash 1109996455, now seen corresponding path program 1 times [2020-10-28 16:48:05,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:48:05,265 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [142702341] [2020-10-28 16:48:05,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:48:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:05,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:05,628 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:06,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:10,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:10,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 178 [2020-10-28 16:48:10,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:48:10,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4999 [2020-10-28 16:48:10,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:10,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:10,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-28 16:48:10,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:10,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 157 [2020-10-28 16:48:10,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:10,704 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:48:10,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:48:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:10,726 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:10,777 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:10,777 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:10,777 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:10,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 58 [2020-10-28 16:48:10,778 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:10,778 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:10,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:10,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:10,778 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:48:10,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:10,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:48:10,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:10,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:10,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:10,802 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:10,802 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:10,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:48:10,803 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:10,803 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:10,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:10,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:10,803 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:48:10,803 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:10,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:48:10,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:10,809 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:10,810 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:10,810 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:10,810 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:10,811 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:10,811 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:10,811 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:10,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:10,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:10,811 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:48:10,811 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:10,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:48:10,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:10,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:10,815 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:10,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:10,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:10,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:10,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:10,815 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:10,815 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:10,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:10,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:10,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:10,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:48:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:10,818 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:10,819 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:10,819 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:10,819 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:10,819 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:10,819 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:10,819 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:10,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:10,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:10,820 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:48:10,820 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:10,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:48:10,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:10,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:10,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:10,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:10,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:10,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:48:10,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:10,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:10,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:10,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:10,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:10,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:10,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:48:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:10,873 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:10,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:10,922 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:10,923 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 16:48:10,923 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:48:10,923 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 51 [2020-10-28 16:48:10,923 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:10,923 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:10,923 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:10,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:10,924 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 60 [2020-10-28 16:48:10,924 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:10,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:48:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:10,944 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:10,947 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:10,948 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 16:48:10,948 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:10,948 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:48:10,948 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:10,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:10,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:10,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:10,949 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:10,949 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:10,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:48:10,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:10,954 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:10,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:10,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:48:10,957 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:10,957 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:48:10,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:10,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:10,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:10,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:10,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:10,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:10,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:48:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:10,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:10,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:10,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:48:10,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:10,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:10,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:10,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:10,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:10,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:10,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:10,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:48:10,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:48:10,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:10,966 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:10,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:10,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:10,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:10,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:10,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:10,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:10,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:10,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:10,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:10,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:10,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 16:48:10,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:10,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:10,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:10,974 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 16:48:10,974 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:10,974 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:48:10,974 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:10,974 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:10,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:10,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:10,975 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:10,975 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:10,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:48:10,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:10,978 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:10,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:10,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:10,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:10,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:10,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:10,979 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:10,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:10,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:10,980 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:10,980 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:10,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 16:48:10,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:10,982 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:10,982 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:10,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:10,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:10,983 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:10,983 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:10,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:10,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:10,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:10,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:10,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:11,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 93 [2020-10-28 16:48:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:11,005 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:11,009 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:11,010 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:11,010 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:11,010 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:48:11,010 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:11,011 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:11,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:11,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:11,011 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:11,011 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:11,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-10-28 16:48:11,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:11,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:11,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:11,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:48:11,017 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:11,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:48:11,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:11,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:11,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:11,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:11,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 11 [2020-10-28 16:48:11,017 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:11,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:48:11,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:11,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:11,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:11,020 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:11,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:11,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:11,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:11,021 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:11,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:11,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:11,021 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:11,021 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:11,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 108 [2020-10-28 16:48:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:11,028 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:11,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:11,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:11,031 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:11,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:48:11,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:11,031 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:11,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:48:11,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:11,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:11,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:11,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2020-10-28 16:48:11,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:11,052 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:11,053 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:11,053 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:11,053 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:11,054 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:11,054 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:11,054 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:11,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:11,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:11,054 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:11,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:11,082 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 16:48:11,082 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [142702341] [2020-10-28 16:48:11,082 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:48:11,083 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-10-28 16:48:11,083 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587328218] [2020-10-28 16:48:11,083 INFO L461 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-28 16:48:11,083 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:48:11,084 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-28 16:48:11,084 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:48:11,084 INFO L87 Difference]: Start difference. First operand 352 states and 414 transitions. Second operand 11 states. [2020-10-28 16:48:11,681 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:48:13,280 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:48:13,758 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:48:14,185 WARN L193 SmtUtils]: Spent 395.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:48:14,607 WARN L193 SmtUtils]: Spent 400.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:48:16,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:48:16,893 INFO L93 Difference]: Finished difference Result 1180 states and 1656 transitions. [2020-10-28 16:48:16,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-10-28 16:48:16,893 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 124 [2020-10-28 16:48:16,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:48:16,903 INFO L225 Difference]: With dead ends: 1180 [2020-10-28 16:48:16,903 INFO L226 Difference]: Without dead ends: 856 [2020-10-28 16:48:16,906 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 148 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-10-28 16:48:16,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2020-10-28 16:48:17,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 489. [2020-10-28 16:48:17,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 489 states. [2020-10-28 16:48:17,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 489 states to 489 states and 570 transitions. [2020-10-28 16:48:17,091 INFO L78 Accepts]: Start accepts. Automaton has 489 states and 570 transitions. Word has length 124 [2020-10-28 16:48:17,091 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:48:17,091 INFO L481 AbstractCegarLoop]: Abstraction has 489 states and 570 transitions. [2020-10-28 16:48:17,092 INFO L482 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-28 16:48:17,092 INFO L276 IsEmpty]: Start isEmpty. Operand 489 states and 570 transitions. [2020-10-28 16:48:17,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2020-10-28 16:48:17,099 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:48:17,100 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 16:48:17,100 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 16:48:17,101 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 16:48:17,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:48:17,103 INFO L82 PathProgramCache]: Analyzing trace with hash 612283907, now seen corresponding path program 1 times [2020-10-28 16:48:17,104 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:48:17,104 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1981502574] [2020-10-28 16:48:17,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:48:17,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:17,156 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:17,764 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:17,764 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 184 [2020-10-28 16:48:17,765 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:17,765 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 624 [2020-10-28 16:48:17,765 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:17,765 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:17,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 16:48:17,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:17,765 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 77 [2020-10-28 16:48:17,766 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:18,133 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:48:18,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:48:18,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:18,158 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:18,215 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:18,215 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:18,215 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:18,215 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-28 16:48:18,216 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:18,216 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:18,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:18,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:18,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:48:18,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:18,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:48:18,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:18,232 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:18,233 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:18,233 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:18,233 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:18,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:18,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:18,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:18,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:18,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:18,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:48:18,234 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:18,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:48:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:18,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:18,237 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:18,238 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:18,238 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:18,238 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:18,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:18,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:18,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:18,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:18,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:48:18,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:18,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:48:18,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:18,241 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:18,243 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:18,243 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:18,243 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:18,243 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:18,243 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:18,243 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:18,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:18,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:18,244 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:18,244 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:18,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:48:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:18,247 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:18,248 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:18,248 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:18,248 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:18,249 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:18,249 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:18,249 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:18,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:18,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:18,249 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:48:18,249 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:18,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:48:18,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:18,261 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:18,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:18,263 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:18,263 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:18,263 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:18,263 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:18,263 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:18,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:18,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:18,264 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:18,264 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:18,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-10-28 16:48:18,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:18,277 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:18,278 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:18,278 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:18,278 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:18,278 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:18,278 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:18,278 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:18,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:18,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:18,279 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:18,279 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:18,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-10-28 16:48:18,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:18,308 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:18,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:18,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-28 16:48:18,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:18,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 16:48:18,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:18,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:18,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:48:18,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 16:48:18,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-28 16:48:18,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:18,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:48:18,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:18,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:18,380 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:18,380 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 16:48:18,381 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:18,381 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 16:48:18,381 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:18,381 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:18,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:48:18,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:18,381 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-28 16:48:18,382 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:18,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:48:18,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:18,398 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:18,401 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:18,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:48:18,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:18,402 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:48:18,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:18,402 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:18,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:18,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:18,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 16:48:18,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:18,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:48:18,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:18,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:18,422 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:18,422 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:48:18,422 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:18,422 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:18,422 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:18,422 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:18,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:18,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:18,423 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:48:18,423 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:18,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:48:18,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:18,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:18,439 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:18,439 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:18,439 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:18,439 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:18,439 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:18,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:18,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:18,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:18,440 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:48:18,440 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:18,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2020-10-28 16:48:18,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:18,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:18,449 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:18,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 16:48:18,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:18,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:48:18,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:18,450 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:18,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:48:18,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:18,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 16:48:18,450 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:18,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:48:18,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:18,453 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:18,454 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:18,454 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:18,454 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:18,454 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:18,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:18,455 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:18,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:18,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:18,455 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:18,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:18,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 16:48:18,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:18,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:18,457 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:18,458 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:18,458 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:18,458 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:18,458 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:18,458 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:18,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:18,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:18,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:18,459 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:18,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 97 [2020-10-28 16:48:18,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:18,478 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:18,479 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:18,479 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:18,479 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:18,479 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:18,479 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:18,479 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:18,479 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:18,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:18,480 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:18,480 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:18,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-10-28 16:48:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:18,482 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:18,483 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:18,483 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:48:18,483 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:18,483 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:48:18,484 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:18,484 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:18,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:18,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-28 16:48:18,484 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:18,484 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:18,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:48:18,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:18,486 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:18,486 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:18,486 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:48:18,487 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:18,487 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:18,487 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:18,487 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:18,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:18,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:48:18,487 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:18,487 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:18,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-10-28 16:48:18,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:18,489 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:18,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:18,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:18,490 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:18,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:18,490 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:18,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:18,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:18,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:18,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:18,491 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:18,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 118 [2020-10-28 16:48:18,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:48:18,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:48:18,494 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:48:18,494 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:48:18,494 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:48:18,494 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:48:18,494 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:48:18,494 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:48:18,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:48:18,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:48:18,495 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:48:18,495 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:48:18,522 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 16:48:18,523 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1981502574] [2020-10-28 16:48:18,523 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:48:18,523 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-28 16:48:18,523 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1575405485] [2020-10-28 16:48:18,524 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-28 16:48:18,524 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:48:18,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-28 16:48:18,525 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2020-10-28 16:48:18,525 INFO L87 Difference]: Start difference. First operand 489 states and 570 transitions. Second operand 12 states. [2020-10-28 16:48:19,188 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:48:20,389 WARN L193 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 207 [2020-10-28 16:48:23,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:48:23,575 INFO L93 Difference]: Finished difference Result 1606 states and 2122 transitions. [2020-10-28 16:48:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-10-28 16:48:23,575 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 128 [2020-10-28 16:48:23,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:48:23,585 INFO L225 Difference]: With dead ends: 1606 [2020-10-28 16:48:23,585 INFO L226 Difference]: Without dead ends: 1145 [2020-10-28 16:48:23,590 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 47 SyntacticMatches, 2 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=283, Invalid=907, Unknown=0, NotChecked=0, Total=1190 [2020-10-28 16:48:23,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1145 states. [2020-10-28 16:48:23,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1145 to 965. [2020-10-28 16:48:23,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 965 states. [2020-10-28 16:48:23,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 965 states to 965 states and 1163 transitions. [2020-10-28 16:48:23,898 INFO L78 Accepts]: Start accepts. Automaton has 965 states and 1163 transitions. Word has length 128 [2020-10-28 16:48:23,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:48:23,899 INFO L481 AbstractCegarLoop]: Abstraction has 965 states and 1163 transitions. [2020-10-28 16:48:23,899 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-28 16:48:23,899 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1163 transitions. [2020-10-28 16:48:23,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2020-10-28 16:48:23,904 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:48:23,904 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 16:48:23,905 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 16:48:23,905 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 16:48:23,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:48:23,905 INFO L82 PathProgramCache]: Analyzing trace with hash 865319965, now seen corresponding path program 1 times [2020-10-28 16:48:23,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:48:23,906 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [812563517] [2020-10-28 16:48:23,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:48:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-28 16:48:23,951 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-28 16:48:23,951 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 16:48:23,957 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 16:48:24,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:48:24 BoogieIcfgContainer [2020-10-28 16:48:24,013 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:48:24,014 INFO L168 Benchmark]: Toolchain (without parser) took 80040.87 ms. Allocated memory was 153.1 MB in the beginning and 740.3 MB in the end (delta: 587.2 MB). Free memory was 128.1 MB in the beginning and 587.2 MB in the end (delta: -459.1 MB). Peak memory consumption was 129.6 MB. Max. memory is 8.0 GB. [2020-10-28 16:48:24,015 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 153.1 MB. Free memory is still 126.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:48:24,021 INFO L168 Benchmark]: CACSL2BoogieTranslator took 567.63 ms. Allocated memory is still 153.1 MB. Free memory was 127.3 MB in the beginning and 107.0 MB in the end (delta: 20.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:48:24,023 INFO L168 Benchmark]: Boogie Preprocessor took 98.98 ms. Allocated memory is still 153.1 MB. Free memory was 107.0 MB in the beginning and 103.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:48:24,031 INFO L168 Benchmark]: RCFGBuilder took 1510.24 ms. Allocated memory is still 153.1 MB. Free memory was 103.0 MB in the beginning and 54.5 MB in the end (delta: 48.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 8.0 GB. [2020-10-28 16:48:24,032 INFO L168 Benchmark]: TraceAbstraction took 77846.61 ms. Allocated memory was 153.1 MB in the beginning and 740.3 MB in the end (delta: 587.2 MB). Free memory was 53.9 MB in the beginning and 587.2 MB in the end (delta: -533.3 MB). Peak memory consumption was 53.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:48:24,039 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 153.1 MB. Free memory is still 126.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 567.63 ms. Allocated memory is still 153.1 MB. Free memory was 127.3 MB in the beginning and 107.0 MB in the end (delta: 20.4 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 98.98 ms. Allocated memory is still 153.1 MB. Free memory was 107.0 MB in the beginning and 103.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1510.24 ms. Allocated memory is still 153.1 MB. Free memory was 103.0 MB in the beginning and 54.5 MB in the end (delta: 48.5 MB). Peak memory consumption was 49.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 77846.61 ms. Allocated memory was 153.1 MB in the beginning and 740.3 MB in the end (delta: 587.2 MB). Free memory was 53.9 MB in the beginning and 587.2 MB in the end (delta: -533.3 MB). Peak memory consumption was 53.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; [L153] int waterLevel = 1; [L154] int methaneLevelCritical = 0; [L257] int methAndRunningLastTime ; [L500] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L767] int pumpRunning = 0; [L768] int systemActive = 1; [L125] int retValue_acc ; [L126] int tmp ; [L130] FCALL select_helpers() [L131] FCALL select_features() [L132] CALL, EXPR valid_product() [L322] int retValue_acc ; [L325] retValue_acc = 1 [L326] return (retValue_acc); [L132] RET, EXPR valid_product() [L132] tmp = valid_product() [L134] COND TRUE \read(tmp) [L136] FCALL setup() [L137] CALL runTest() [L115] CALL __utac_acc__Specification2_spec__1() [L262] methAndRunningLastTime = 0 [L115] RET __utac_acc__Specification2_spec__1() [L116] CALL test() [L699] int splverifierCounter ; [L700] int tmp ; [L701] int tmp___0 ; [L702] int tmp___1 ; [L703] int tmp___2 ; [L706] splverifierCounter = 0 [L708] COND TRUE 1 [L710] COND TRUE splverifierCounter < 4 [L716] tmp = __VERIFIER_nondet_int() [L718] COND TRUE \read(tmp) [L720] CALL waterRise() [L171] COND TRUE waterLevel < 2 [L172] waterLevel = waterLevel + 1 [L720] RET waterRise() [L726] tmp___0 = __VERIFIER_nondet_int() [L728] COND TRUE \read(tmp___0) [L730] CALL changeMethaneLevel() [L183] COND FALSE !(\read(methaneLevelCritical)) [L186] methaneLevelCritical = 1 [L730] RET changeMethaneLevel() [L736] tmp___2 = __VERIFIER_nondet_int() [L738] COND FALSE !(\read(tmp___2)) [L744] tmp___1 = __VERIFIER_nondet_int() [L746] COND FALSE !(\read(tmp___1)) [L753] CALL timeShift() [L774] COND FALSE !(\read(pumpRunning)) [L781] COND TRUE \read(systemActive) [L783] CALL processEnvironment() [L803] int tmp ; [L806] COND TRUE ! pumpRunning [L808] CALL, EXPR isHighWaterLevel() [L900] int retValue_acc ; [L901] int tmp ; [L902] int tmp___0 ; [L906] CALL, EXPR isHighWaterSensorDry() [L233] int retValue_acc ; [L236] COND FALSE !(waterLevel < 2) [L240] retValue_acc = 0 [L241] return (retValue_acc); [L906] RET, EXPR isHighWaterSensorDry() [L906] tmp = isHighWaterSensorDry() [L908] COND FALSE !(\read(tmp)) [L911] tmp___0 = 1 [L913] retValue_acc = tmp___0 [L914] return (retValue_acc); [L808] RET, EXPR isHighWaterLevel() [L808] tmp = isHighWaterLevel() [L810] COND TRUE \read(tmp) [L812] CALL activatePump() [L831] pumpRunning = 1 [L812] RET activatePump() [L783] RET processEnvironment() [L789] CALL __utac_acc__Specification2_spec__2() [L267] int tmp ; [L268] int tmp___0 ; [L272] CALL, EXPR isMethaneLevelCritical() [L192] int retValue_acc ; [L195] retValue_acc = methaneLevelCritical [L196] return (retValue_acc); [L272] RET, EXPR isMethaneLevelCritical() [L272] tmp = isMethaneLevelCritical() [L274] COND TRUE \read(tmp) [L276] CALL, EXPR isPumpRunning() [L855] int retValue_acc ; [L858] retValue_acc = pumpRunning [L859] return (retValue_acc); [L276] RET, EXPR isPumpRunning() [L276] tmp___0 = isPumpRunning() [L278] COND TRUE \read(tmp___0) [L279] COND FALSE !(\read(methAndRunningLastTime)) [L284] methAndRunningLastTime = 1 [L789] RET __utac_acc__Specification2_spec__2() [L753] RET timeShift() [L708] COND TRUE 1 [L710] COND TRUE splverifierCounter < 4 [L716] tmp = __VERIFIER_nondet_int() [L718] COND FALSE !(\read(tmp)) [L726] tmp___0 = __VERIFIER_nondet_int() [L728] COND FALSE !(\read(tmp___0)) [L736] tmp___2 = __VERIFIER_nondet_int() [L738] COND FALSE !(\read(tmp___2)) [L744] tmp___1 = __VERIFIER_nondet_int() [L746] COND FALSE !(\read(tmp___1)) [L753] CALL timeShift() [L774] COND TRUE \read(pumpRunning) [L776] CALL lowerWaterLevel() [L159] COND TRUE waterLevel > 0 [L160] waterLevel = waterLevel - 1 [L776] RET lowerWaterLevel() [L781] COND TRUE \read(systemActive) [L783] CALL processEnvironment() [L803] int tmp ; [L806] COND FALSE !(! pumpRunning) [L821] FCALL processEnvironment__wrappee__base() [L783] RET processEnvironment() [L789] CALL __utac_acc__Specification2_spec__2() [L267] int tmp ; [L268] int tmp___0 ; [L272] CALL, EXPR isMethaneLevelCritical() [L192] int retValue_acc ; [L195] retValue_acc = methaneLevelCritical [L196] return (retValue_acc); [L272] RET, EXPR isMethaneLevelCritical() [L272] tmp = isMethaneLevelCritical() [L274] COND TRUE \read(tmp) [L276] CALL, EXPR isPumpRunning() [L855] int retValue_acc ; [L858] retValue_acc = pumpRunning [L859] return (retValue_acc); [L276] RET, EXPR isPumpRunning() [L276] tmp___0 = isPumpRunning() [L278] COND TRUE \read(tmp___0) [L279] COND TRUE \read(methAndRunningLastTime) [L281] CALL __automaton_fail() [L251] CALL reach_error() [L3] __assert_fail("0", "minepump_spec2_product34.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 236 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 77.7s, OverallIterations: 10, TraceHistogramMax: 2, AutomataDifference: 28.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 941 SDtfs, 2488 SDslu, 994 SDs, 0 SdLazy, 4235 SolverSat, 1832 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 399 GetRequests, 274 SyntacticMatches, 2 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 556 ImplicationChecksByTransitivity, 12.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=965occurred 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: 1.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 1101 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 46.7s InterpolantComputationTime, 941 NumberOfCodeBlocks, 941 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 800 ConstructedInterpolants, 0 QuantifiedInterpolants, 291708 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 5 PerfectInterpolantSequences, 120/128 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...