/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:40:37,390 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:40:37,394 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:40:37,456 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:40:37,457 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:40:37,464 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:40:37,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:40:37,471 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:40:37,475 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:40:37,481 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:40:37,483 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:40:37,484 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:40:37,484 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:40:37,488 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:40:37,490 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:40:37,492 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:40:37,494 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:40:37,498 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:40:37,517 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:40:37,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:40:37,526 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:40:37,529 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:40:37,531 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:40:37,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:40:37,544 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:40:37,546 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:40:37,546 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:40:37,549 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:40:37,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:40:37,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:40:37,551 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:40:37,552 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:40:37,554 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:40:37,555 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:40:37,556 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:40:37,556 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:40:37,557 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:40:37,557 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:40:37,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:40:37,559 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:40:37,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:40:37,567 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 16:40:37,623 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:40:37,623 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:40:37,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:40:37,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:40:37,628 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:40:37,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:40:37,629 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:40:37,629 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:40:37,629 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:40:37,629 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:40:37,631 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:40:37,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:40:37,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:40:37,631 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:40:37,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:40:37,631 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:40:37,632 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:40:37,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:40:37,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:40:37,632 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:40:37,632 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:40:37,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:40:37,633 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:40:37,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:40:37,633 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:40:37,633 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:40:37,634 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:40:37,634 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:40:37,634 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:40:37,634 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:40:38,123 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:40:38,165 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:40:38,169 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:40:38,170 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:40:38,171 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:40:38,172 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product37.cil.c [2020-10-28 16:40:38,257 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa43b8d2b/df90a2f491f94e718455b1f7fea37ef1/FLAGf97c2ea28 [2020-10-28 16:40:38,972 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:40:38,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product37.cil.c [2020-10-28 16:40:38,991 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa43b8d2b/df90a2f491f94e718455b1f7fea37ef1/FLAGf97c2ea28 [2020-10-28 16:40:39,282 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/aa43b8d2b/df90a2f491f94e718455b1f7fea37ef1 [2020-10-28 16:40:39,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:40:39,292 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:40:39,298 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:40:39,298 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:40:39,302 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:40:39,303 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:40:39" (1/1) ... [2020-10-28 16:40:39,309 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74e83992 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:40:39, skipping insertion in model container [2020-10-28 16:40:39,310 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:40:39" (1/1) ... [2020-10-28 16:40:39,318 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:40:39,387 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:40:39,786 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:40:39,813 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:40:39,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:40:39,941 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:40:39,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:40:39 WrapperNode [2020-10-28 16:40:39,942 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:40:39,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:40:39,944 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:40:39,944 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:40:39,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:40:39" (1/1) ... [2020-10-28 16:40:39,960 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:40:39" (1/1) ... [2020-10-28 16:40:39,980 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:40:39" (1/1) ... [2020-10-28 16:40:39,980 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:40:39" (1/1) ... [2020-10-28 16:40:40,013 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:40:39" (1/1) ... [2020-10-28 16:40:40,023 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:40:39" (1/1) ... [2020-10-28 16:40:40,029 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:40:39" (1/1) ... [2020-10-28 16:40:40,037 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:40:40,038 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:40:40,039 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:40:40,039 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:40:40,040 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:40:39" (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 16:40:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:40:40,126 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:40:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:40:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:40:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:40:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:40:40,127 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:40:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:40:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:40:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:40:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:40:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:40:40,128 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:40:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:40:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:40:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:40:40,129 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:40:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:40:40,150 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:40:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:40:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:40:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:40:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-28 16:40:40,151 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-10-28 16:40:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:40:40,152 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:40:40,155 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:40:40,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:40:40,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:40:40,155 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:40:40,155 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-28 16:40:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:40:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:40:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:40:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:40:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:40:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:40:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:40:40,156 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-28 16:40:40,156 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:40:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:40:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:40:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:40:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:40:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:40:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:40:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:40:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:40:40,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:40:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:40:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:40:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:40:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:40:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:40:40,158 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:40:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:40:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:40:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:40:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:40:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:40:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:40:40,159 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:40:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:40:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:40:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:40:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:40:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:40:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:40:40,160 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:40:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:40:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:40:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:40:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:40:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:40:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:40:40,161 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:40:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-28 16:40:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:40:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:40:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:40:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-28 16:40:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:40:40,162 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:40:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:40:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-28 16:40:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-28 16:40:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-10-28 16:40:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:40:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:40:40,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:40:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:40:40,164 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:40:41,361 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:40:41,362 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:40:41,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:40:41 BoogieIcfgContainer [2020-10-28 16:40:41,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:40:41,368 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:40:41,368 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:40:41,372 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:40:41,373 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:40:39" (1/3) ... [2020-10-28 16:40:41,374 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28db58ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:40:41, skipping insertion in model container [2020-10-28 16:40:41,374 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:40:39" (2/3) ... [2020-10-28 16:40:41,375 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28db58ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:40:41, skipping insertion in model container [2020-10-28 16:40:41,375 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:40:41" (3/3) ... [2020-10-28 16:40:41,377 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product37.cil.c [2020-10-28 16:40:41,393 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:40:41,400 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:40:41,418 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:40:41,455 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:40:41,455 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:40:41,455 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:40:41,455 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:40:41,456 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:40:41,457 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:40:41,457 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:40:41,457 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:40:41,494 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2020-10-28 16:40:41,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 16:40:41,511 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:40:41,513 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:40:41,513 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 16:40:41,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:40:41,530 INFO L82 PathProgramCache]: Analyzing trace with hash -1896159754, now seen corresponding path program 1 times [2020-10-28 16:40:41,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:40:41,543 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2116337311] [2020-10-28 16:40:41,544 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:40:41,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:42,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:42,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:42,436 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:43,876 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:44,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:46,983 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:46,983 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 16:40:46,983 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:40:46,984 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-28 16:40:46,988 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:46,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:46,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:40:46,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 16:40:46,990 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:40:46,991 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-28 16:40:47,415 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:40:47,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:40:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:47,433 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:47,476 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:47,476 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:40:47,477 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:47,477 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-28 16:40:47,477 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:47,477 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:47,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:40:47,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:40:47,478 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:40:47,478 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:40:47,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:40:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:47,503 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:47,504 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:47,504 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:40:47,505 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:47,505 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:40:47,505 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:47,505 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:47,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:40:47,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:40:47,506 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:40:47,506 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:40:47,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:40:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:47,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:47,511 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:47,511 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:40:47,511 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:47,512 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:40:47,512 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:47,512 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:47,512 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:40:47,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:40:47,513 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:40:47,513 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:40:47,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:40:47,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:47,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:47,518 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:47,518 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:40:47,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:47,519 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:40:47,519 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:47,519 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:47,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:40:47,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:40:47,520 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:40:47,520 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:40:47,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:40:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:47,524 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:47,524 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:47,525 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:40:47,525 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:47,525 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:40:47,525 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:47,525 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:47,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:40:47,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:40:47,526 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:40:47,526 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:40:47,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 16:40:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:47,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:47,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:47,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:40:47,532 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:47,532 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:40:47,532 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:47,532 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:47,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:40:47,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:40:47,533 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:40:47,533 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:40:47,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:40:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:47,538 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:47,539 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:47,539 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:40:47,539 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:47,540 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:40:47,540 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:47,540 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:47,540 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:40:47,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:40:47,541 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:40:47,541 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:40:47,553 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 16:40:47,554 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2116337311] [2020-10-28 16:40:47,556 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:40:47,557 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 16:40:47,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2013216768] [2020-10-28 16:40:47,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 16:40:47,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:40:47,579 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 16:40:47,580 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:40:47,583 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 3 states. [2020-10-28 16:40:49,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:40:49,164 INFO L93 Difference]: Finished difference Result 292 states and 384 transitions. [2020-10-28 16:40:49,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 16:40:49,166 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-28 16:40:49,167 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:40:49,180 INFO L225 Difference]: With dead ends: 292 [2020-10-28 16:40:49,180 INFO L226 Difference]: Without dead ends: 156 [2020-10-28 16:40:49,185 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:40:49,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-10-28 16:40:49,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 124. [2020-10-28 16:40:49,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-28 16:40:49,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 146 transitions. [2020-10-28 16:40:49,282 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 146 transitions. Word has length 47 [2020-10-28 16:40:49,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:40:49,282 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 146 transitions. [2020-10-28 16:40:49,282 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 16:40:49,283 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 146 transitions. [2020-10-28 16:40:49,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 16:40:49,286 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:40:49,286 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:40:49,287 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:40:49,287 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 16:40:49,288 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:40:49,288 INFO L82 PathProgramCache]: Analyzing trace with hash 1591617229, now seen corresponding path program 1 times [2020-10-28 16:40:49,288 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:40:49,288 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [744797667] [2020-10-28 16:40:49,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:40:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:49,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:49,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:49,476 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:50,787 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:50,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:54,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:54,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 16:40:54,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:40:54,336 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 16:40:54,336 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:54,337 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:54,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:40:54,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:40:54,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 16:40:54,337 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:40:54,753 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:40:54,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:40:54,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:54,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:54,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:54,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:40:54,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:54,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 77 [2020-10-28 16:40:54,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:54,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:54,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:40:54,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:40:54,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:40:54,852 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:40:54,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:40:54,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:54,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:54,887 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:54,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:40:54,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:54,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:40:54,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:54,888 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:54,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:40:54,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:40:54,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:40:54,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:40:54,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:40:54,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:54,893 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:54,894 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:54,894 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:40:54,894 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:54,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:40:54,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:54,895 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:54,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:40:54,895 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:40:54,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:40:54,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:40:54,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:40:54,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:54,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:54,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:54,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:40:54,902 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:54,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:40:54,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:54,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:54,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:40:54,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:40:54,903 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:40:54,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:40:54,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:40:54,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:54,906 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:54,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:54,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:40:54,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:54,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:40:54,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:54,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:54,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:40:54,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:40:54,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:40:54,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:40:54,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:40:54,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:54,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:54,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:54,913 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:40:54,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:54,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:40:54,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:54,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:54,914 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:40:54,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:40:54,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:40:54,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:40:54,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:40:54,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:54,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:54,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:40:54,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:40:54,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:40:54,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:40:54,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:40:54,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:40:54,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:40:54,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:40:54,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:40:54,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:40:54,930 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 16:40:54,931 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [744797667] [2020-10-28 16:40:54,931 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:40:54,931 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:40:54,932 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1768485977] [2020-10-28 16:40:54,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:40:54,933 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:40:54,934 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:40:54,934 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:40:54,934 INFO L87 Difference]: Start difference. First operand 124 states and 146 transitions. Second operand 5 states. [2020-10-28 16:40:55,451 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:40:56,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:40:56,720 INFO L93 Difference]: Finished difference Result 256 states and 324 transitions. [2020-10-28 16:40:56,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:40:56,721 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 48 [2020-10-28 16:40:56,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:40:56,724 INFO L225 Difference]: With dead ends: 256 [2020-10-28 16:40:56,724 INFO L226 Difference]: Without dead ends: 156 [2020-10-28 16:40:56,726 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:40:56,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-10-28 16:40:56,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 124. [2020-10-28 16:40:56,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2020-10-28 16:40:56,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 145 transitions. [2020-10-28 16:40:56,789 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 145 transitions. Word has length 48 [2020-10-28 16:40:56,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:40:56,789 INFO L481 AbstractCegarLoop]: Abstraction has 124 states and 145 transitions. [2020-10-28 16:40:56,789 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:40:56,789 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 145 transitions. [2020-10-28 16:40:56,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-10-28 16:40:56,792 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:40:56,792 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] [2020-10-28 16:40:56,793 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:40:56,793 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 16:40:56,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:40:56,793 INFO L82 PathProgramCache]: Analyzing trace with hash -961946592, now seen corresponding path program 1 times [2020-10-28 16:40:56,794 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:40:56,794 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2015120901] [2020-10-28 16:40:56,794 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:40:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:40:56,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:56,868 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:57,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:57,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:40:58,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:01,839 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:01,839 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 99 [2020-10-28 16:41:01,839 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:41:01,839 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5015 [2020-10-28 16:41:01,840 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:01,840 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:41:01,840 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:41:01,841 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:02,248 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:41:02,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:41:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:02,263 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:02,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:02,294 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:02,294 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:02,294 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-10-28 16:41:02,294 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:02,295 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:02,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:02,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:02,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:41:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:02,313 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:02,313 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:02,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:02,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:02,314 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:02,314 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:02,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:02,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:02,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:02,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:02,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:02,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:41:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:02,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:02,322 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:02,322 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:02,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:02,323 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:41:02,323 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:02,323 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:02,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:02,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:02,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:02,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:02,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:41:02,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:02,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:02,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:02,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:02,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:02,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:02,328 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:02,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:02,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:02,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:02,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:02,329 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:02,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:41:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:02,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:02,333 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:02,333 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:02,333 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:02,333 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:41:02,334 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:02,334 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:02,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:02,334 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:02,335 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:02,335 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:02,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 16:41:02,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:02,352 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:02,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:02,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:02,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 16:41:02,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:41:02,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 16:41:02,363 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:02,363 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:02,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:02,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 18 [2020-10-28 16:41:02,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:02,364 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:02,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:41:02,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:02,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:02,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:02,377 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:41:02,377 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:02,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:41:02,378 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:02,378 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:02,378 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:02,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:02,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:02,379 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:02,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:41:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:02,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:02,383 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:02,383 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:02,383 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:02,383 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:41:02,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:02,384 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:02,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:02,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:02,384 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:02,385 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:02,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 16:41:02,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:02,388 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:02,389 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:02,389 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:02,389 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:02,390 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:02,390 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:02,390 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:02,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:02,390 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:02,391 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:02,391 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:02,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-10-28 16:41:02,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:02,394 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:02,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:02,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:02,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:02,396 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:02,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:02,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:02,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:02,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:02,397 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:02,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:41:02,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2015120901] [2020-10-28 16:41:02,414 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:41:02,414 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:41:02,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1342520289] [2020-10-28 16:41:02,415 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:41:02,415 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:41:02,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:41:02,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:41:02,416 INFO L87 Difference]: Start difference. First operand 124 states and 145 transitions. Second operand 5 states. [2020-10-28 16:41:03,103 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:41:04,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:41:04,366 INFO L93 Difference]: Finished difference Result 237 states and 296 transitions. [2020-10-28 16:41:04,367 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 16:41:04,367 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 61 [2020-10-28 16:41:04,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:41:04,376 INFO L225 Difference]: With dead ends: 237 [2020-10-28 16:41:04,376 INFO L226 Difference]: Without dead ends: 155 [2020-10-28 16:41:04,378 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 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 16:41:04,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2020-10-28 16:41:04,442 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 115. [2020-10-28 16:41:04,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-28 16:41:04,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 133 transitions. [2020-10-28 16:41:04,444 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 133 transitions. Word has length 61 [2020-10-28 16:41:04,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:41:04,445 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 133 transitions. [2020-10-28 16:41:04,445 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:41:04,445 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 133 transitions. [2020-10-28 16:41:04,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-10-28 16:41:04,451 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:41:04,452 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:41:04,452 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:41:04,452 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 16:41:04,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:41:04,453 INFO L82 PathProgramCache]: Analyzing trace with hash 689780840, now seen corresponding path program 1 times [2020-10-28 16:41:04,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:41:04,454 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [129556047] [2020-10-28 16:41:04,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:41:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:04,507 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:04,539 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:04,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:06,148 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:08,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:08,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:08,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:09,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:09,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 101 [2020-10-28 16:41:09,503 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-28 16:41:09,503 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 16:41:09,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:09,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:09,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 16:41:09,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 53 [2020-10-28 16:41:09,504 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 16:41:09,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:09,945 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:41:09,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:41:09,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:09,975 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:10,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:10,002 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:10,002 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:10,002 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 16:41:10,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:10,003 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:10,003 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:10,003 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:10,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:41:10,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:10,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:10,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:10,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:10,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:10,021 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:41:10,021 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:10,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:10,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:10,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:10,022 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:10,022 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:10,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:41:10,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:10,025 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:10,025 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:10,025 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:10,025 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:10,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:41:10,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:10,026 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:10,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:10,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:10,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:10,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:10,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:41:10,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:10,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:10,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:10,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:10,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:10,030 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:41:10,030 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:10,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:10,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:10,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:10,031 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:10,031 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:10,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:41:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:10,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:10,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:10,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:10,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:10,035 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:41:10,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:10,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:10,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:10,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:10,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:10,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:10,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 16:41:10,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:10,049 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:10,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:10,060 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:10,060 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-28 16:41:10,061 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:41:10,061 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 16:41:10,061 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:10,061 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:10,061 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 16:41:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 16:41:10,062 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 16:41:10,062 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:10,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:41:10,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:10,078 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:10,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:10,084 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-28 16:41:10,084 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:10,084 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:41:10,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:10,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:10,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:41:10,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 16:41:10,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 16:41:10,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:10,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:41:10,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:10,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:10,164 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:10,164 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:10,165 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:10,165 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:10,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:10,166 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:10,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:10,166 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:10,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:41:10,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:10,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-28 16:41:10,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:10,173 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:10,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:10,174 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:10,174 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:10,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:10,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:10,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:10,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:10,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:10,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:10,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:10,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-10-28 16:41:10,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:10,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:10,193 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:10,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:10,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:10,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:10,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:10,194 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:10,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:10,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:10,195 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:10,195 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:10,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:41:10,207 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [129556047] [2020-10-28 16:41:10,208 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:41:10,208 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 16:41:10,208 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413850459] [2020-10-28 16:41:10,209 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 16:41:10,209 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:41:10,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 16:41:10,210 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-10-28 16:41:10,211 INFO L87 Difference]: Start difference. First operand 115 states and 133 transitions. Second operand 7 states. [2020-10-28 16:41:10,742 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:41:12,324 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:41:13,244 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:41:13,244 INFO L93 Difference]: Finished difference Result 325 states and 403 transitions. [2020-10-28 16:41:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 16:41:13,245 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 65 [2020-10-28 16:41:13,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:41:13,249 INFO L225 Difference]: With dead ends: 325 [2020-10-28 16:41:13,249 INFO L226 Difference]: Without dead ends: 234 [2020-10-28 16:41:13,250 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-10-28 16:41:13,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-10-28 16:41:13,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 191. [2020-10-28 16:41:13,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-10-28 16:41:13,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 218 transitions. [2020-10-28 16:41:13,310 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 218 transitions. Word has length 65 [2020-10-28 16:41:13,310 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:41:13,311 INFO L481 AbstractCegarLoop]: Abstraction has 191 states and 218 transitions. [2020-10-28 16:41:13,311 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 16:41:13,311 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 218 transitions. [2020-10-28 16:41:13,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2020-10-28 16:41:13,313 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:41:13,313 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:41:13,313 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:41:13,314 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 16:41:13,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:41:13,314 INFO L82 PathProgramCache]: Analyzing trace with hash -2030343280, now seen corresponding path program 1 times [2020-10-28 16:41:13,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:41:13,315 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [541607706] [2020-10-28 16:41:13,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:41:13,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:13,375 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:13,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:13,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:13,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:15,345 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:18,359 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:18,359 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 119 [2020-10-28 16:41:18,359 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:41:18,359 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5009 [2020-10-28 16:41:18,360 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:18,360 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:18,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:41:18,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 59 [2020-10-28 16:41:18,360 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 53 [2020-10-28 16:41:18,360 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:18,820 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:41:18,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:41:18,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:18,847 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:18,883 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:18,883 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:18,884 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:18,884 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-28 16:41:18,884 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:18,884 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:18,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:18,884 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:18,885 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:18,885 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:18,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:41:18,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:18,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:18,901 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:18,901 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:18,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:18,902 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:18,902 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:18,902 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:18,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:18,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:18,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:18,903 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:18,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:41:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:18,907 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:18,907 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:18,908 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:18,908 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:18,908 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:41:18,908 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:18,908 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:18,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:18,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:18,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:18,909 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:18,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:41:18,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:18,913 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:18,914 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:18,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:18,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:18,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:18,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:18,915 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:18,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:18,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:18,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:18,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:18,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:41:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:18,919 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:18,919 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:18,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:18,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:18,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:41:18,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:18,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:18,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:18,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:18,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:18,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:18,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 16:41:18,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:18,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:18,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:18,967 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:18,967 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 39 [2020-10-28 16:41:18,967 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:41:18,967 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 16:41:18,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:18,968 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:18,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:18,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:18,968 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-28 16:41:18,968 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:18,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:41:18,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:18,977 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:18,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:18,997 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 16:41:19,000 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:19,000 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 16:41:19,001 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:19,001 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:19,001 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:41:19,001 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:19,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:41:19,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:19,016 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:19,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:19,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:41:19,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:19,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-28 16:41:19,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:19,023 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:19,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:19,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:19,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-28 16:41:19,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:19,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:41:19,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:19,027 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:19,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:19,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:41:19,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:19,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:19,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:19,030 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:19,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:19,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:19,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:19,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:19,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:41:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:19,034 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:19,036 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:19,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:19,037 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:19,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:41:19,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:19,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:19,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:19,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:19,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:41:19,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:19,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-10-28 16:41:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:19,043 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:19,045 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:19,045 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:19,045 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:19,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:41:19,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:19,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:19,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:19,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:19,046 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:41:19,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:19,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2020-10-28 16:41:19,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:19,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:19,055 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:19,055 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:19,055 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:19,055 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:41:19,056 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:19,056 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:19,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:41:19,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:19,056 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:41:19,056 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:19,090 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:41:19,090 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [541607706] [2020-10-28 16:41:19,090 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:41:19,091 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:41:19,091 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875035264] [2020-10-28 16:41:19,092 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:41:19,092 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:41:19,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:41:19,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:41:19,093 INFO L87 Difference]: Start difference. First operand 191 states and 218 transitions. Second operand 8 states. [2020-10-28 16:41:19,723 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:41:21,207 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:41:21,617 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:41:22,093 WARN L193 SmtUtils]: Spent 380.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:41:22,543 WARN L193 SmtUtils]: Spent 388.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:41:22,989 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:41:23,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:41:23,983 INFO L93 Difference]: Finished difference Result 236 states and 285 transitions. [2020-10-28 16:41:23,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 16:41:23,984 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 79 [2020-10-28 16:41:23,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:41:23,987 INFO L225 Difference]: With dead ends: 236 [2020-10-28 16:41:23,987 INFO L226 Difference]: Without dead ends: 232 [2020-10-28 16:41:23,988 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-28 16:41:23,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-10-28 16:41:24,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 191. [2020-10-28 16:41:24,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 191 states. [2020-10-28 16:41:24,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 217 transitions. [2020-10-28 16:41:24,041 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 217 transitions. Word has length 79 [2020-10-28 16:41:24,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:41:24,041 INFO L481 AbstractCegarLoop]: Abstraction has 191 states and 217 transitions. [2020-10-28 16:41:24,041 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:41:24,041 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 217 transitions. [2020-10-28 16:41:24,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 16:41:24,042 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:41:24,043 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 16:41:24,043 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:41:24,043 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 16:41:24,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:41:24,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1544843761, now seen corresponding path program 1 times [2020-10-28 16:41:24,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:41:24,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [798836795] [2020-10-28 16:41:24,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:41:24,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:24,088 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:24,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:26,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:26,536 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 16:41:26,536 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:41:26,536 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2464 [2020-10-28 16:41:26,536 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:26,537 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:26,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:41:26,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-28 16:41:26,537 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:41:26,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:27,042 WARN L193 SmtUtils]: Spent 463.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:41:27,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:41:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:27,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:27,082 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:27,082 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:27,082 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:27,082 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-10-28 16:41:27,083 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:27,083 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:27,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:27,083 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:27,084 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:27,084 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:27,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:41:27,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:27,100 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:27,100 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:27,100 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:27,101 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:27,101 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:27,101 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:27,101 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:27,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:27,101 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:27,102 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:27,102 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:27,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:41:27,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:27,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:27,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:27,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:27,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:27,106 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:41:27,106 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:27,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:27,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:27,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:27,107 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:27,107 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:27,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:41:27,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:27,109 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:27,110 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:27,110 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:27,110 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:27,110 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:41:27,110 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:27,111 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:27,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:27,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:27,111 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:27,111 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:27,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:41:27,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:27,114 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:27,114 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:27,114 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:27,115 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:27,115 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:41:27,115 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:27,115 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:27,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:27,115 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:27,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:27,116 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:27,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 16:41:27,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:27,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:27,147 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:27,147 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 16:41:27,148 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:27,148 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-28 16:41:27,148 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:27,148 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:27,148 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:41:27,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-28 16:41:27,149 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:41:27,149 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:27,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:41:27,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:27,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:27,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:27,172 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 16:41:27,172 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:27,172 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-28 16:41:27,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:27,173 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:41:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-28 16:41:27,173 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:41:27,173 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:27,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:41:27,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:27,222 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:27,232 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:27,232 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:41:27,232 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:27,233 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-28 16:41:27,234 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:27,234 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:27,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:41:27,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:27,234 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-28 16:41:27,235 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:27,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:41:27,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:27,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:27,274 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:27,274 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:41:27,274 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:27,274 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:27,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:27,275 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:27,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:27,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:27,275 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:27,276 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:27,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:41:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:27,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:27,282 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:27,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:27,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:27,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:27,283 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:27,283 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:27,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:27,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:27,284 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:27,284 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:27,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 16:41:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:27,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:27,293 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:27,293 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:27,293 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:27,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:27,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:27,294 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:27,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:27,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:27,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:27,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:27,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 16:41:27,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:27,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:27,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:27,299 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:27,299 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:27,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:27,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:27,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:27,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:27,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:27,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:27,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:27,317 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:41:27,318 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [798836795] [2020-10-28 16:41:27,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:41:27,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:41:27,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [695157266] [2020-10-28 16:41:27,321 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:41:27,322 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:41:27,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:41:27,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:41:27,323 INFO L87 Difference]: Start difference. First operand 191 states and 217 transitions. Second operand 8 states. [2020-10-28 16:41:28,598 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:41:29,040 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:41:29,473 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:41:29,887 WARN L193 SmtUtils]: Spent 371.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:41:30,932 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:41:30,932 INFO L93 Difference]: Finished difference Result 398 states and 478 transitions. [2020-10-28 16:41:30,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 16:41:30,935 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-10-28 16:41:30,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:41:30,937 INFO L225 Difference]: With dead ends: 398 [2020-10-28 16:41:30,938 INFO L226 Difference]: Without dead ends: 231 [2020-10-28 16:41:30,939 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2020-10-28 16:41:30,939 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 231 states. [2020-10-28 16:41:30,993 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 196. [2020-10-28 16:41:30,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 196 states. [2020-10-28 16:41:30,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 196 states to 196 states and 222 transitions. [2020-10-28 16:41:30,995 INFO L78 Accepts]: Start accepts. Automaton has 196 states and 222 transitions. Word has length 80 [2020-10-28 16:41:30,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:41:30,996 INFO L481 AbstractCegarLoop]: Abstraction has 196 states and 222 transitions. [2020-10-28 16:41:30,996 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:41:30,996 INFO L276 IsEmpty]: Start isEmpty. Operand 196 states and 222 transitions. [2020-10-28 16:41:30,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 16:41:30,997 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:41:30,997 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 16:41:30,997 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-28 16:41:30,998 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 16:41:30,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:41:30,998 INFO L82 PathProgramCache]: Analyzing trace with hash -843243887, now seen corresponding path program 1 times [2020-10-28 16:41:30,998 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:41:30,999 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [495551219] [2020-10-28 16:41:30,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:41:31,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:31,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:31,070 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:32,619 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:32,620 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 16:41:32,620 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:41:32,620 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1595 [2020-10-28 16:41:32,620 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:32,621 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:32,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:41:32,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 73 [2020-10-28 16:41:32,621 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:41:32,621 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:32,955 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:41:32,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:41:32,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:32,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:32,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:32,984 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:32,984 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:32,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-28 16:41:32,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:32,985 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:32,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:32,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:32,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:32,985 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:32,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:41:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:32,994 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:32,994 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:32,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:32,995 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:32,995 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:41:32,995 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:32,995 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:32,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:32,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:32,995 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:32,995 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:32,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:41:32,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:32,997 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:32,997 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:32,998 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:32,998 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:32,998 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:41:32,998 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:32,998 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:32,998 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:32,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:32,999 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:32,999 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:32,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:41:33,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:33,000 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:33,001 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:33,001 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:33,001 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:33,001 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:41:33,002 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:33,002 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:33,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:33,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:33,002 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:33,002 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:33,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:41:33,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:33,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:33,005 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:33,005 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:33,005 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:33,005 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:41:33,005 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:33,005 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:33,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:33,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:33,006 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:33,006 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:33,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 16:41:33,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:33,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:33,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:33,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 16:41:33,038 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:33,038 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-28 16:41:33,038 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:33,039 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:33,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:41:33,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 16:41:33,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:41:33,039 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:33,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:41:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:33,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:33,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:33,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 16:41:33,057 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:33,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-28 16:41:33,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:33,057 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:33,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:41:33,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-28 16:41:33,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:41:33,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:33,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:41:33,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:33,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:33,070 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:33,070 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:41:33,070 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:33,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 16:41:33,071 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:33,071 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:33,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:41:33,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-28 16:41:33,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:41:33,071 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:33,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:41:33,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:33,092 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:33,095 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:33,095 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:41:33,095 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:33,095 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:41:33,095 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:33,096 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:33,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:41:33,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:33,096 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:41:33,096 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:33,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:41:33,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:33,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:33,111 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:33,111 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:33,111 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:33,111 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:33,112 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:33,112 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:33,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:33,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:33,112 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:33,112 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:33,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 16:41:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:33,116 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:33,116 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:33,116 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:33,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:33,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:41:33,117 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:33,117 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:33,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:33,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:33,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:33,118 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:33,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 16:41:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:33,120 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:33,121 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:33,121 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:33,121 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:33,121 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:33,122 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:33,122 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:33,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:33,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:33,122 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:33,122 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:33,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:41:33,135 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [495551219] [2020-10-28 16:41:33,135 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:41:33,135 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 16:41:33,135 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1891382314] [2020-10-28 16:41:33,136 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 16:41:33,136 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:41:33,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 16:41:33,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-28 16:41:33,137 INFO L87 Difference]: Start difference. First operand 196 states and 222 transitions. Second operand 7 states. [2020-10-28 16:41:34,249 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:41:34,642 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:41:35,034 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:41:36,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:41:36,115 INFO L93 Difference]: Finished difference Result 410 states and 497 transitions. [2020-10-28 16:41:36,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 16:41:36,116 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 80 [2020-10-28 16:41:36,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:41:36,119 INFO L225 Difference]: With dead ends: 410 [2020-10-28 16:41:36,119 INFO L226 Difference]: Without dead ends: 238 [2020-10-28 16:41:36,120 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-28 16:41:36,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-10-28 16:41:36,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 200. [2020-10-28 16:41:36,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 200 states. [2020-10-28 16:41:36,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 226 transitions. [2020-10-28 16:41:36,176 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 226 transitions. Word has length 80 [2020-10-28 16:41:36,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:41:36,176 INFO L481 AbstractCegarLoop]: Abstraction has 200 states and 226 transitions. [2020-10-28 16:41:36,176 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 16:41:36,177 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 226 transitions. [2020-10-28 16:41:36,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-28 16:41:36,178 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:41:36,178 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 16:41:36,178 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-28 16:41:36,178 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 16:41:36,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:41:36,179 INFO L82 PathProgramCache]: Analyzing trace with hash 882237010, now seen corresponding path program 1 times [2020-10-28 16:41:36,179 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:41:36,179 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [515508863] [2020-10-28 16:41:36,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:41:36,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:36,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:36,369 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:37,753 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:37,754 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-28 16:41:37,754 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:41:37,754 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1550 [2020-10-28 16:41:37,754 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:37,754 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:37,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-28 16:41:37,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:37,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 100 [2020-10-28 16:41:37,755 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:38,224 WARN L193 SmtUtils]: Spent 411.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:41:38,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:41:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:38,262 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:38,326 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:38,327 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:38,327 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:38,327 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 79 [2020-10-28 16:41:38,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:38,328 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:38,328 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:41:38,328 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:38,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:41:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:38,350 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:38,351 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:38,351 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:38,351 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:38,351 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:38,351 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:38,352 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:38,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:38,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:38,352 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:41:38,352 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:38,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:41:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:38,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:38,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:38,361 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:38,361 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:38,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:38,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:38,361 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:38,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:41:38,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:38,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:41:38,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:38,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:38,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:38,367 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:38,367 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:38,367 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:38,367 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:38,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:38,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:38,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:38,368 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:41:38,368 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:38,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:41:38,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:38,374 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:38,376 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:38,376 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:38,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:38,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:41:38,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:38,377 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:38,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:38,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:38,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:41:38,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:38,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 16:41:38,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:38,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:38,404 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:38,404 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 16:41:38,405 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:38,405 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-28 16:41:38,405 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:38,405 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:38,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:38,405 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:38,406 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-10-28 16:41:38,406 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:38,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:41:38,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:38,412 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:38,415 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:38,415 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 16:41:38,415 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:38,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:41:38,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:38,416 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:38,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:38,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:38,416 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:38,416 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:38,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:41:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:38,421 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:38,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:38,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:41:38,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:38,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:41:38,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:38,424 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:38,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:38,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:38,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:38,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:38,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:41:38,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:38,428 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:38,429 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:38,429 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:41:38,429 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:38,430 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:38,430 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:38,430 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:38,430 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:38,431 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:38,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:41:38,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:38,437 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:38,438 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:38,438 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:38,438 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:38,438 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:38,438 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:38,439 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:38,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:38,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:38,439 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:38,439 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:38,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-28 16:41:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:38,443 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:38,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:38,445 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:38,445 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:38,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:41:38,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:38,446 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:38,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:41:38,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:38,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:41:38,446 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:38,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-28 16:41:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:38,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:38,462 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:38,462 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:38,462 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:38,462 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:38,463 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:38,463 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:38,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:38,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:38,463 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:38,463 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:38,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:41:38,479 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [515508863] [2020-10-28 16:41:38,479 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:41:38,479 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:41:38,480 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [975292752] [2020-10-28 16:41:38,481 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:41:38,481 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:41:38,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:41:38,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:41:38,484 INFO L87 Difference]: Start difference. First operand 200 states and 226 transitions. Second operand 8 states. [2020-10-28 16:41:39,101 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:41:40,656 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:41:41,110 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:41:41,505 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:41:41,880 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:41:42,333 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:41:43,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:41:43,621 INFO L93 Difference]: Finished difference Result 594 states and 728 transitions. [2020-10-28 16:41:43,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-28 16:41:43,622 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 80 [2020-10-28 16:41:43,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:41:43,625 INFO L225 Difference]: With dead ends: 594 [2020-10-28 16:41:43,625 INFO L226 Difference]: Without dead ends: 418 [2020-10-28 16:41:43,627 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-10-28 16:41:43,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 418 states. [2020-10-28 16:41:43,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 418 to 354. [2020-10-28 16:41:43,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 354 states. [2020-10-28 16:41:43,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 402 transitions. [2020-10-28 16:41:43,712 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 402 transitions. Word has length 80 [2020-10-28 16:41:43,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:41:43,712 INFO L481 AbstractCegarLoop]: Abstraction has 354 states and 402 transitions. [2020-10-28 16:41:43,712 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:41:43,712 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 402 transitions. [2020-10-28 16:41:43,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-28 16:41:43,714 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:41:43,714 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:41:43,714 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-28 16:41:43,714 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 16:41:43,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:41:43,715 INFO L82 PathProgramCache]: Analyzing trace with hash -1957298034, now seen corresponding path program 1 times [2020-10-28 16:41:43,715 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:41:43,715 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [852354587] [2020-10-28 16:41:43,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:41:43,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:43,747 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:44,179 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:44,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 126 [2020-10-28 16:41:44,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:44,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 443 [2020-10-28 16:41:44,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:44,180 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-28 16:41:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:44,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 16:41:44,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:44,563 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:41:44,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:41:44,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:44,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:44,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:44,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:44,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:44,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 96 [2020-10-28 16:41:44,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:44,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:44,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:44,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:44,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:41:44,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:44,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:41:44,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:44,706 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:44,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:44,708 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:44,708 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:44,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:44,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:44,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:44,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:44,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:44,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:41:44,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:44,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:41:44,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:44,711 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:44,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:44,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:44,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:44,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:44,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:44,713 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:44,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:44,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:44,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:41:44,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:44,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:41:44,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:44,719 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:44,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:44,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:44,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:44,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:44,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:44,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:44,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:41:44,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:44,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:41:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:44,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:44,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:44,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:41:44,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:44,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:44,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:44,730 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:44,730 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:44,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:44,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:41:44,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:44,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-28 16:41:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:44,742 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:44,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:44,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:44,744 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:44,744 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:44,744 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:44,745 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:44,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:41:44,745 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:44,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:41:44,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:44,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:44,772 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:44,772 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-10-28 16:41:44,772 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:44,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 16:41:44,773 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:44,773 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:44,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:44,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-10-28 16:41:44,773 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-28 16:41:44,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:44,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:41:44,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:44,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:44,799 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:44,800 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-28 16:41:44,800 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:44,800 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 16:41:44,800 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:44,800 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:44,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:44,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:44,801 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-28 16:41:44,801 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:44,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:41:44,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:44,807 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:44,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:44,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-28 16:41:44,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:44,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-28 16:41:44,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:44,816 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:44,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:44,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:44,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-28 16:41:44,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:44,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:41:44,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:44,823 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:44,824 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:44,825 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:41:44,825 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:44,825 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:41:44,825 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:44,825 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:44,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:44,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:44,826 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:41:44,826 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:44,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-28 16:41:44,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:44,834 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:44,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:44,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:44,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:44,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:41:44,836 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:44,837 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:44,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:41:44,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:41:44,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:41:44,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:41:44,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-10-28 16:41:44,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:44,842 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:44,842 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:44,843 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:44,843 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:44,843 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:44,843 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:44,843 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:44,843 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:44,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:44,844 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:44,844 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:44,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-28 16:41:44,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:41:44,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:41:44,847 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:41:44,847 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:41:44,847 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:41:44,847 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:41:44,848 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:41:44,848 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:41:44,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:41:44,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:41:44,848 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:41:44,848 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:41:44,862 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:41:44,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [852354587] [2020-10-28 16:41:44,862 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:41:44,863 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-28 16:41:44,863 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570135819] [2020-10-28 16:41:44,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-28 16:41:44,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:41:44,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-28 16:41:44,864 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-10-28 16:41:44,864 INFO L87 Difference]: Start difference. First operand 354 states and 402 transitions. Second operand 8 states. [2020-10-28 16:41:45,420 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:41:46,198 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:41:48,632 WARN L193 SmtUtils]: Spent 382.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:41:50,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:41:50,276 INFO L93 Difference]: Finished difference Result 1324 states and 1743 transitions. [2020-10-28 16:41:50,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-10-28 16:41:50,277 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 84 [2020-10-28 16:41:50,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:41:50,285 INFO L225 Difference]: With dead ends: 1324 [2020-10-28 16:41:50,285 INFO L226 Difference]: Without dead ends: 994 [2020-10-28 16:41:50,287 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 60 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2020-10-28 16:41:50,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 994 states. [2020-10-28 16:41:50,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 994 to 866. [2020-10-28 16:41:50,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 866 states. [2020-10-28 16:41:50,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 866 states and 1041 transitions. [2020-10-28 16:41:50,538 INFO L78 Accepts]: Start accepts. Automaton has 866 states and 1041 transitions. Word has length 84 [2020-10-28 16:41:50,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:41:50,538 INFO L481 AbstractCegarLoop]: Abstraction has 866 states and 1041 transitions. [2020-10-28 16:41:50,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-28 16:41:50,538 INFO L276 IsEmpty]: Start isEmpty. Operand 866 states and 1041 transitions. [2020-10-28 16:41:50,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-10-28 16:41:50,540 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:41:50,541 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:41:50,541 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-10-28 16:41:50,541 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 16:41:50,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:41:50,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1402630312, now seen corresponding path program 1 times [2020-10-28 16:41:50,542 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:41:50,542 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [43167356] [2020-10-28 16:41:50,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:41:50,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-28 16:41:50,583 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-28 16:41:50,583 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-28 16:41:50,588 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-10-28 16:41:50,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:41:50 BoogieIcfgContainer [2020-10-28 16:41:50,620 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:41:50,623 INFO L168 Benchmark]: Toolchain (without parser) took 71334.69 ms. Allocated memory was 151.0 MB in the beginning and 723.5 MB in the end (delta: 572.5 MB). Free memory was 124.9 MB in the beginning and 279.9 MB in the end (delta: -155.0 MB). Peak memory consumption was 418.7 MB. Max. memory is 8.0 GB. [2020-10-28 16:41:50,623 INFO L168 Benchmark]: CDTParser took 0.74 ms. Allocated memory is still 151.0 MB. Free memory is still 123.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:41:50,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 645.11 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 103.4 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:41:50,625 INFO L168 Benchmark]: Boogie Preprocessor took 93.96 ms. Allocated memory is still 151.0 MB. Free memory was 103.4 MB in the beginning and 99.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:41:50,626 INFO L168 Benchmark]: RCFGBuilder took 1327.08 ms. Allocated memory was 151.0 MB in the beginning and 184.5 MB in the end (delta: 33.6 MB). Free memory was 99.5 MB in the beginning and 162.6 MB in the end (delta: -63.1 MB). Peak memory consumption was 54.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:41:50,627 INFO L168 Benchmark]: TraceAbstraction took 69252.77 ms. Allocated memory was 184.5 MB in the beginning and 723.5 MB in the end (delta: 539.0 MB). Free memory was 162.1 MB in the beginning and 279.9 MB in the end (delta: -117.8 MB). Peak memory consumption was 421.6 MB. Max. memory is 8.0 GB. [2020-10-28 16:41:50,630 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.74 ms. Allocated memory is still 151.0 MB. Free memory is still 123.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 645.11 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 103.4 MB in the end (delta: 20.8 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 93.96 ms. Allocated memory is still 151.0 MB. Free memory was 103.4 MB in the beginning and 99.5 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1327.08 ms. Allocated memory was 151.0 MB in the beginning and 184.5 MB in the end (delta: 33.6 MB). Free memory was 99.5 MB in the beginning and 162.6 MB in the end (delta: -63.1 MB). Peak memory consumption was 54.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 69252.77 ms. Allocated memory was 184.5 MB in the beginning and 723.5 MB in the end (delta: 539.0 MB). Free memory was 162.1 MB in the beginning and 279.9 MB in the end (delta: -117.8 MB). Peak memory consumption was 421.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L408] int cleanupTimeShifts = 4; [L590] int pumpRunning = 0; [L591] int systemActive = 1; [L834] int waterLevel = 1; [L835] int methaneLevelCritical = 0; [L489] int retValue_acc ; [L490] int tmp ; [L494] FCALL select_helpers() [L495] FCALL select_features() [L496] CALL, EXPR valid_product() [L576] int retValue_acc ; [L579] retValue_acc = 1 [L580] return (retValue_acc); [L496] RET, EXPR valid_product() [L496] tmp = valid_product() [L498] COND TRUE \read(tmp) [L500] FCALL setup() [L501] CALL runTest() [L480] CALL test() [L769] int splverifierCounter ; [L770] int tmp ; [L771] int tmp___0 ; [L772] int tmp___1 ; [L773] int tmp___2 ; [L776] splverifierCounter = 0 [L778] COND TRUE 1 [L780] COND TRUE splverifierCounter < 4 [L786] tmp = __VERIFIER_nondet_int() [L788] COND TRUE \read(tmp) [L790] CALL waterRise() [L852] COND TRUE waterLevel < 2 [L853] waterLevel = waterLevel + 1 [L790] RET waterRise() [L796] tmp___0 = __VERIFIER_nondet_int() [L798] COND TRUE \read(tmp___0) [L800] CALL changeMethaneLevel() [L864] COND FALSE !(\read(methaneLevelCritical)) [L867] methaneLevelCritical = 1 [L800] RET changeMethaneLevel() [L806] tmp___2 = __VERIFIER_nondet_int() [L808] COND TRUE \read(tmp___2) [L821] CALL timeShift() [L597] COND FALSE !(\read(pumpRunning)) [L604] COND TRUE \read(systemActive) [L606] CALL processEnvironment() [L652] int tmp ; [L655] COND FALSE !(\read(pumpRunning)) [L670] CALL processEnvironment__wrappee__highWaterSensor() [L626] int tmp ; [L629] COND TRUE ! pumpRunning [L631] CALL, EXPR isHighWaterLevel() [L749] int retValue_acc ; [L750] int tmp ; [L751] int tmp___0 ; [L755] CALL, EXPR isHighWaterSensorDry() [L914] int retValue_acc ; [L917] COND FALSE !(waterLevel < 2) [L921] retValue_acc = 0 [L922] return (retValue_acc); [L755] RET, EXPR isHighWaterSensorDry() [L755] tmp = isHighWaterSensorDry() [L757] COND FALSE !(\read(tmp)) [L760] tmp___0 = 1 [L762] retValue_acc = tmp___0 [L763] return (retValue_acc); [L631] RET, EXPR isHighWaterLevel() [L631] tmp = isHighWaterLevel() [L633] COND TRUE \read(tmp) [L635] CALL activatePump() [L680] pumpRunning = 1 [L635] RET activatePump() [L670] RET processEnvironment__wrappee__highWaterSensor() [L606] RET processEnvironment() [L612] CALL __utac_acc__Specification1_spec__1() [L516] int tmp ; [L517] int tmp___0 ; [L521] CALL, EXPR isMethaneLevelCritical() [L873] int retValue_acc ; [L876] retValue_acc = methaneLevelCritical [L877] return (retValue_acc); [L521] RET, EXPR isMethaneLevelCritical() [L521] tmp = isMethaneLevelCritical() [L523] COND TRUE \read(tmp) [L525] CALL, EXPR isPumpRunning() [L704] int retValue_acc ; [L707] retValue_acc = pumpRunning [L708] return (retValue_acc); [L525] RET, EXPR isPumpRunning() [L525] tmp___0 = isPumpRunning() [L527] COND TRUE \read(tmp___0) [L529] CALL __automaton_fail() [L545] CALL reach_error() [L3] __assert_fail("0", "minepump_spec1_product37.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 237 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 69.1s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 30.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1062 SDtfs, 1906 SDslu, 860 SDs, 0 SdLazy, 3850 SolverSat, 1194 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 296 GetRequests, 214 SyntacticMatches, 1 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 14.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=866occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 9 MinimizatonAttempts, 453 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 36.8s InterpolantComputationTime, 712 NumberOfCodeBlocks, 712 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 615 ConstructedInterpolants, 0 QuantifiedInterpolants, 197496 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...