/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=DEEPEST --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_product34.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 21:58:44,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 21:58:44,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 21:58:44,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 21:58:44,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 21:58:44,611 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 21:58:44,613 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 21:58:44,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 21:58:44,632 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 21:58:44,633 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 21:58:44,634 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 21:58:44,635 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 21:58:44,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 21:58:44,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 21:58:44,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 21:58:44,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 21:58:44,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 21:58:44,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 21:58:44,645 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 21:58:44,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 21:58:44,652 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 21:58:44,659 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 21:58:44,662 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 21:58:44,663 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 21:58:44,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 21:58:44,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 21:58:44,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 21:58:44,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 21:58:44,674 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 21:58:44,675 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 21:58:44,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 21:58:44,677 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 21:58:44,678 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 21:58:44,679 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 21:58:44,680 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 21:58:44,681 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 21:58:44,682 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 21:58:44,682 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 21:58:44,682 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 21:58:44,683 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 21:58:44,684 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 21:58:44,691 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-27 21:58:44,738 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 21:58:44,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 21:58:44,742 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 21:58:44,742 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 21:58:44,743 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 21:58:44,743 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 21:58:44,743 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 21:58:44,743 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 21:58:44,743 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 21:58:44,744 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 21:58:44,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 21:58:44,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 21:58:44,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 21:58:44,745 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 21:58:44,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 21:58:44,746 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 21:58:44,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 21:58:44,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 21:58:44,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 21:58:44,746 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 21:58:44,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 21:58:44,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:58:44,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 21:58:44,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 21:58:44,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 21:58:44,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 21:58:44,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 21:58:44,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 21:58:44,748 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 21:58:44,748 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 21:58:45,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 21:58:45,176 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 21:58:45,179 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 21:58:45,181 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 21:58:45,181 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 21:58:45,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product34.cil.c [2020-10-27 21:58:45,253 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1d1efd956/116336e62845492c8a820392a667e1b5/FLAG8643a54cf [2020-10-27 21:58:45,854 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 21:58:45,855 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product34.cil.c [2020-10-27 21:58:45,882 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1d1efd956/116336e62845492c8a820392a667e1b5/FLAG8643a54cf [2020-10-27 21:58:46,184 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/1d1efd956/116336e62845492c8a820392a667e1b5 [2020-10-27 21:58:46,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 21:58:46,196 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 21:58:46,200 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 21:58:46,200 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 21:58:46,204 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 21:58:46,206 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:58:46" (1/1) ... [2020-10-27 21:58:46,210 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42dc20ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:58:46, skipping insertion in model container [2020-10-27 21:58:46,210 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 09:58:46" (1/1) ... [2020-10-27 21:58:46,219 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 21:58:46,294 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 21:58:46,671 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:58:46,682 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 21:58:46,753 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 21:58:46,788 INFO L208 MainTranslator]: Completed translation [2020-10-27 21:58:46,789 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:58:46 WrapperNode [2020-10-27 21:58:46,789 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 21:58:46,790 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 21:58:46,790 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 21:58:46,791 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 21:58:46,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:58:46" (1/1) ... [2020-10-27 21:58:46,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:58:46" (1/1) ... [2020-10-27 21:58:46,841 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:58:46" (1/1) ... [2020-10-27 21:58:46,844 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:58:46" (1/1) ... [2020-10-27 21:58:46,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:58:46" (1/1) ... [2020-10-27 21:58:46,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:58:46" (1/1) ... [2020-10-27 21:58:46,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:58:46" (1/1) ... [2020-10-27 21:58:46,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 21:58:46,945 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 21:58:46,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 21:58:46,945 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 21:58:46,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:58:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 21:58:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 21:58:47,053 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 21:58:47,054 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 21:58:47,054 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 21:58:47,054 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 21:58:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 21:58:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 21:58:47,055 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 21:58:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 21:58:47,056 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 21:58:47,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 21:58:47,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 21:58:47,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 21:58:47,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 21:58:47,057 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 21:58:47,058 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 21:58:47,058 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 21:58:47,058 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 21:58:47,059 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 21:58:47,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 21:58:47,059 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 21:58:47,059 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 21:58:47,059 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-10-27 21:58:47,059 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 21:58:47,059 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 21:58:47,060 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 21:58:47,060 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 21:58:47,060 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 21:58:47,060 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 21:58:47,060 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 21:58:47,060 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 21:58:47,060 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 21:58:47,061 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-10-27 21:58:47,061 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-27 21:58:47,061 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-10-27 21:58:47,061 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 21:58:47,061 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 21:58:47,061 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 21:58:47,061 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 21:58:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 21:58:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 21:58:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 21:58:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 21:58:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 21:58:47,062 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 21:58:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 21:58:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 21:58:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 21:58:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 21:58:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 21:58:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 21:58:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 21:58:47,063 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 21:58:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 21:58:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 21:58:47,064 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 21:58:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 21:58:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 21:58:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 21:58:47,065 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 21:58:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 21:58:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 21:58:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 21:58:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 21:58:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 21:58:47,066 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 21:58:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 21:58:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 21:58:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 21:58:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 21:58:47,067 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 21:58:47,068 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 21:58:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 21:58:47,069 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 21:58:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 21:58:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 21:58:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 21:58:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 21:58:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-10-27 21:58:47,070 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-27 21:58:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 21:58:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 21:58:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 21:58:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-10-27 21:58:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 21:58:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 21:58:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-10-27 21:58:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 21:58:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 21:58:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 21:58:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 21:58:47,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 21:58:48,259 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 21:58:48,260 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 21:58:48,262 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:58:48 BoogieIcfgContainer [2020-10-27 21:58:48,262 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 21:58:48,286 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 21:58:48,286 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 21:58:48,290 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 21:58:48,290 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 09:58:46" (1/3) ... [2020-10-27 21:58:48,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b981ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:58:48, skipping insertion in model container [2020-10-27 21:58:48,291 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 09:58:46" (2/3) ... [2020-10-27 21:58:48,291 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b981ad1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 09:58:48, skipping insertion in model container [2020-10-27 21:58:48,292 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 09:58:48" (3/3) ... [2020-10-27 21:58:48,293 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product34.cil.c [2020-10-27 21:58:48,306 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 21:58:48,312 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 21:58:48,326 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 21:58:48,354 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 21:58:48,354 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 21:58:48,354 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 21:58:48,354 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 21:58:48,354 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 21:58:48,355 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 21:58:48,355 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 21:58:48,355 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 21:58:48,378 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states. [2020-10-27 21:58:48,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-27 21:58:48,388 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:58:48,389 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] [2020-10-27 21:58:48,389 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:58:48,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:58:48,396 INFO L82 PathProgramCache]: Analyzing trace with hash -2053877318, now seen corresponding path program 1 times [2020-10-27 21:58:48,406 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:58:48,407 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1139800102] [2020-10-27 21:58:48,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:58:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:48,770 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:48,880 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:49,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:50,841 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:51,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:53,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:53,685 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-27 21:58:53,685 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-27 21:58:53,685 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5000 [2020-10-27 21:58:53,688 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:53,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:58:53,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 50 [2020-10-27 21:58:53,688 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-27 21:58:53,689 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 21:58:54,353 WARN L193 SmtUtils]: Spent 525.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 21:58:54,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:58:54,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:54,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:54,412 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:54,412 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:58:54,412 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:54,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 44 [2020-10-27 21:58:54,413 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:54,413 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:54,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:54,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:54,414 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:58:54,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:58:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:54,440 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:54,440 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:54,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:58:54,441 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:54,441 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:58:54,441 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:54,441 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:54,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:54,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:54,442 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:54,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:58:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:54,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:54,445 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:54,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:58:54,446 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:54,446 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:58:54,446 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:54,446 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:54,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:54,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:54,447 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:54,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:58:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:54,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:54,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:54,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:58:54,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:54,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:58:54,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:54,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:54,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:54,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:54,452 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:54,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:58:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:54,455 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:54,456 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:54,456 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:58:54,457 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:54,457 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:58:54,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:54,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:58:54,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:54,458 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:58:54,458 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:54,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 21:58:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:54,461 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:54,464 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:54,464 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:58:54,464 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:54,465 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:58:54,465 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:54,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:58:54,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:54,465 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:58:54,466 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:54,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 21:58:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:58:54,470 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:58:54,475 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:58:54,475 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:58:54,476 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:58:54,476 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-27 21:58:54,476 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:58:54,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:58:54,476 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:58:54,477 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:58:54,477 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:58:54,507 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 21:58:54,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1139800102] [2020-10-27 21:58:54,510 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:58:54,510 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 21:58:54,511 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1843576434] [2020-10-27 21:58:54,515 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 21:58:54,516 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:58:54,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 21:58:54,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-27 21:58:54,532 INFO L87 Difference]: Start difference. First operand 159 states. Second operand 7 states. [2020-10-27 21:58:55,217 WARN L193 SmtUtils]: Spent 409.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 21:58:56,410 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 21:58:56,863 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 21:58:57,293 WARN L193 SmtUtils]: Spent 381.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 21:58:58,146 WARN L193 SmtUtils]: Spent 329.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 21:58:58,586 WARN L193 SmtUtils]: Spent 350.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 21:58:59,826 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:58:59,826 INFO L93 Difference]: Finished difference Result 349 states and 483 transitions. [2020-10-27 21:58:59,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-27 21:58:59,829 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 47 [2020-10-27 21:58:59,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:58:59,845 INFO L225 Difference]: With dead ends: 349 [2020-10-27 21:58:59,845 INFO L226 Difference]: Without dead ends: 214 [2020-10-27 21:58:59,850 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 2.8s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2020-10-27 21:58:59,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-10-27 21:58:59,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 180. [2020-10-27 21:58:59,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-10-27 21:58:59,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 226 transitions. [2020-10-27 21:58:59,977 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 226 transitions. Word has length 47 [2020-10-27 21:58:59,978 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:58:59,978 INFO L481 AbstractCegarLoop]: Abstraction has 180 states and 226 transitions. [2020-10-27 21:58:59,978 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 21:58:59,978 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 226 transitions. [2020-10-27 21:58:59,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2020-10-27 21:58:59,983 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:58:59,983 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:58:59,984 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 21:58:59,984 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:58:59,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:58:59,985 INFO L82 PathProgramCache]: Analyzing trace with hash 1837124745, now seen corresponding path program 1 times [2020-10-27 21:58:59,985 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:58:59,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1146245265] [2020-10-27 21:58:59,985 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:59:00,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:00,047 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:00,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:00,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:00,320 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:01,797 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:02,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:05,028 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:05,029 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-27 21:59:05,029 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-27 21:59:05,029 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5003 [2020-10-27 21:59:05,029 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:05,029 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:59:05,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 95 [2020-10-27 21:59:05,030 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:59:05,030 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:05,374 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 21:59:05,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:59:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:05,390 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:05,414 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:05,414 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:05,414 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:05,415 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-27 21:59:05,415 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:05,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:05,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:05,415 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:05,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:05,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:59:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:05,432 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:05,432 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:05,432 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:05,434 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:05,434 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:59:05,434 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:05,434 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:05,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:05,435 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:05,435 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:05,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:59:05,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:05,441 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:05,441 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:05,441 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:05,442 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:05,442 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:59:05,442 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:05,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:05,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:05,442 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:05,443 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:05,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:59:05,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:05,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:05,446 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:05,446 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:05,447 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:05,447 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:05,447 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:05,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:05,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:05,447 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:05,448 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:05,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:59:05,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:05,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:05,451 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:05,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:05,452 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:05,452 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:05,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:05,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:05,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:05,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:05,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:05,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2020-10-27 21:59:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:05,465 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:05,467 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:05,468 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:59:05,468 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:05,468 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:59:05,468 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:05,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:05,468 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:05,469 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:05,469 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:05,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 21:59:05,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:05,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:05,485 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:05,485 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:59:05,485 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:05,485 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:59:05,485 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:05,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:05,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:05,486 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:05,486 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:05,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:59:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:05,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:05,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:05,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:05,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:05,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:59:05,493 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:05,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:05,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:05,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:05,494 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:05,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 21:59:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:05,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:05,536 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:05,537 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 21:59:05,537 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:05,539 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 21:59:05,539 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:05,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:59:05,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 16 [2020-10-27 21:59:05,539 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 21:59:05,540 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:05,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 21:59:05,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:05,581 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:05,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:05,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 21:59:05,592 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:05,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-27 21:59:05,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:05,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:59:05,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:05,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 14 [2020-10-27 21:59:05,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:05,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:59:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:05,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:05,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:05,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:59:05,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:05,628 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:05,628 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:05,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:05,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:05,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:05,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:05,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 21:59:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:05,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:05,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:05,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:05,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:05,634 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:05,634 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:05,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:05,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:59:05,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:05,635 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:05,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 75 [2020-10-27 21:59:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:05,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:05,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:05,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:05,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:05,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:05,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:59:05,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:05,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:05,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-10-27 21:59:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:05,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:05,646 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:05,646 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:05,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:05,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 21:59:05,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:05,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:05,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:59:05,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:05,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:05,665 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-27 21:59:05,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1146245265] [2020-10-27 21:59:05,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 21:59:05,666 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-10-27 21:59:05,666 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905613246] [2020-10-27 21:59:05,669 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 21:59:05,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:59:05,670 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 21:59:05,670 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2020-10-27 21:59:05,671 INFO L87 Difference]: Start difference. First operand 180 states and 226 transitions. Second operand 9 states. [2020-10-27 21:59:06,979 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 21:59:07,391 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-27 21:59:07,807 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 21:59:08,204 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 21:59:09,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:59:09,131 INFO L93 Difference]: Finished difference Result 413 states and 572 transitions. [2020-10-27 21:59:09,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-10-27 21:59:09,132 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 90 [2020-10-27 21:59:09,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:59:09,141 INFO L225 Difference]: With dead ends: 413 [2020-10-27 21:59:09,141 INFO L226 Difference]: Without dead ends: 257 [2020-10-27 21:59:09,148 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2020-10-27 21:59:09,151 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-10-27 21:59:09,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 185. [2020-10-27 21:59:09,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-10-27 21:59:09,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 231 transitions. [2020-10-27 21:59:09,223 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 231 transitions. Word has length 90 [2020-10-27 21:59:09,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:59:09,224 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 231 transitions. [2020-10-27 21:59:09,224 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 21:59:09,224 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 231 transitions. [2020-10-27 21:59:09,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-27 21:59:09,227 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:59:09,227 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] [2020-10-27 21:59:09,227 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 21:59:09,227 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:59:09,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:59:09,228 INFO L82 PathProgramCache]: Analyzing trace with hash 1250488851, now seen corresponding path program 1 times [2020-10-27 21:59:09,228 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:59:09,228 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [470725100] [2020-10-27 21:59:09,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:59:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:09,275 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:09,316 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:12,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:12,134 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 21:59:12,134 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:59:12,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2876 [2020-10-27 21:59:12,134 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:12,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:59:12,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-27 21:59:12,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:59:12,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:12,500 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 21:59:12,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:59:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:12,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:12,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:12,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:12,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:12,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-27 21:59:12,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:12,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:12,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:12,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:12,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:12,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:59:12,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:12,548 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:12,549 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:12,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:12,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:12,550 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:59:12,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:12,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:12,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:12,550 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:12,551 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:12,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:59:12,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:12,552 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:12,553 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:12,553 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:12,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:12,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:59:12,554 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:12,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:12,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:12,554 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:12,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:12,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:59:12,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:12,556 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:12,557 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:12,557 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:12,557 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:12,557 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:59:12,557 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:12,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:12,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:12,558 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:12,558 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:12,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:59:12,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:12,560 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:12,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:12,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:12,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:12,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:59:12,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:12,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:12,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:12,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:12,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:12,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 21:59:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:12,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:12,586 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:12,586 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 21:59:12,586 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:12,586 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-27 21:59:12,587 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:12,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:59:12,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 21:59:12,587 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:59:12,587 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:12,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 21:59:12,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:12,593 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:12,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:12,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 21:59:12,601 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:12,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:59:12,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:12,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:59:12,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-27 21:59:12,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:59:12,602 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:12,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:59:12,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:12,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:12,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:12,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:59:12,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:12,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:59:12,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:12,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:59:12,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:12,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:59:12,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:12,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 21:59:12,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:12,651 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:12,652 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:12,652 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:12,653 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:12,653 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:12,653 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:12,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:12,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:59:12,653 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:12,653 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:12,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 21:59:12,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:12,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:12,657 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:12,657 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:12,657 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:12,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:12,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:59:12,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:12,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:12,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 21:59:12,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:12,660 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:12,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:12,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:12,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:12,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:12,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:12,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:12,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:59:12,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:12,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:12,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 21:59:12,676 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [470725100] [2020-10-27 21:59:12,676 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:59:12,676 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 21:59:12,676 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728870549] [2020-10-27 21:59:12,677 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 21:59:12,677 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:59:12,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 21:59:12,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-10-27 21:59:12,678 INFO L87 Difference]: Start difference. First operand 185 states and 231 transitions. Second operand 7 states. [2020-10-27 21:59:13,777 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 21:59:14,210 WARN L193 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 21:59:14,598 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 21:59:15,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:59:15,521 INFO L93 Difference]: Finished difference Result 408 states and 576 transitions. [2020-10-27 21:59:15,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-27 21:59:15,523 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2020-10-27 21:59:15,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:59:15,527 INFO L225 Difference]: With dead ends: 408 [2020-10-27 21:59:15,527 INFO L226 Difference]: Without dead ends: 247 [2020-10-27 21:59:15,528 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-10-27 21:59:15,529 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2020-10-27 21:59:15,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 189. [2020-10-27 21:59:15,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-10-27 21:59:15,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 235 transitions. [2020-10-27 21:59:15,597 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 235 transitions. Word has length 76 [2020-10-27 21:59:15,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:59:15,598 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 235 transitions. [2020-10-27 21:59:15,598 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 21:59:15,598 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 235 transitions. [2020-10-27 21:59:15,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-10-27 21:59:15,600 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:59:15,600 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] [2020-10-27 21:59:15,600 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 21:59:15,600 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:59:15,601 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:59:15,601 INFO L82 PathProgramCache]: Analyzing trace with hash -933188076, now seen corresponding path program 1 times [2020-10-27 21:59:15,601 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:59:15,601 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1988452905] [2020-10-27 21:59:15,602 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:59:15,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:15,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:15,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:18,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:18,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 114 [2020-10-27 21:59:18,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 21:59:18,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2500 [2020-10-27 21:59:18,133 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:18,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 11 [2020-10-27 21:59:18,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:59:18,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 94 [2020-10-27 21:59:18,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:18,534 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 21:59:18,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:59:18,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:18,564 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:18,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:18,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:18,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:18,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 62 [2020-10-27 21:59:18,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:18,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:59:18,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:18,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 21:59:18,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:18,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:59:18,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:18,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:18,635 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:18,635 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:18,635 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:18,636 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:18,636 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:18,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:59:18,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:18,636 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 21:59:18,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:18,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:59:18,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:18,639 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:18,640 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:18,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:18,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:18,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:18,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:18,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:59:18,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:18,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 21:59:18,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:18,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:59:18,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:18,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:18,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:18,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:18,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:18,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:18,645 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:18,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:59:18,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:18,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:59:18,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:18,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:59:18,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:18,648 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:18,649 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:18,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:18,650 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:18,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:18,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:18,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:59:18,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:18,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 21:59:18,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:18,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-27 21:59:18,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:18,694 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:18,703 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:18,703 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 21:59:18,703 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:18,703 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 21:59:18,704 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:18,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:59:18,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:18,704 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 21:59:18,704 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:18,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 21:59:18,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:18,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:18,712 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:18,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 21:59:18,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:18,713 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:59:18,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:18,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:18,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:18,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:18,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:18,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:59:18,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:18,717 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:18,718 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:18,718 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:59:18,718 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:18,718 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:18,718 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:18,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:18,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:18,719 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:18,719 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:18,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 21:59:18,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:18,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:18,723 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:18,723 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:18,723 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:18,723 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:18,723 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:18,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:18,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:18,724 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:18,724 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:18,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 61 [2020-10-27 21:59:18,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:18,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:18,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:18,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:18,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:18,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 21:59:18,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:18,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:59:18,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:18,732 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:59:18,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:18,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2020-10-27 21:59:18,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:18,754 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:18,755 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:18,755 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:18,755 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:18,755 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:18,756 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:18,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:18,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:59:18,756 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:18,756 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:18,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 21:59:18,770 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1988452905] [2020-10-27 21:59:18,770 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:59:18,771 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-10-27 21:59:18,771 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630017672] [2020-10-27 21:59:18,771 INFO L461 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-10-27 21:59:18,772 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:59:18,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-10-27 21:59:18,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-10-27 21:59:18,773 INFO L87 Difference]: Start difference. First operand 189 states and 235 transitions. Second operand 8 states. [2020-10-27 21:59:19,332 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 21:59:20,560 WARN L193 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 206 [2020-10-27 21:59:21,006 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 21:59:21,382 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 21:59:21,940 WARN L193 SmtUtils]: Spent 347.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 21:59:22,414 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 21:59:24,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:59:24,132 INFO L93 Difference]: Finished difference Result 609 states and 863 transitions. [2020-10-27 21:59:24,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-10-27 21:59:24,135 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 76 [2020-10-27 21:59:24,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:59:24,139 INFO L225 Difference]: With dead ends: 609 [2020-10-27 21:59:24,139 INFO L226 Difference]: Without dead ends: 401 [2020-10-27 21:59:24,141 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=66, Invalid=174, Unknown=0, NotChecked=0, Total=240 [2020-10-27 21:59:24,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-10-27 21:59:24,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 320. [2020-10-27 21:59:24,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2020-10-27 21:59:24,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 396 transitions. [2020-10-27 21:59:24,225 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 396 transitions. Word has length 76 [2020-10-27 21:59:24,226 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:59:24,226 INFO L481 AbstractCegarLoop]: Abstraction has 320 states and 396 transitions. [2020-10-27 21:59:24,226 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-10-27 21:59:24,226 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 396 transitions. [2020-10-27 21:59:24,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2020-10-27 21:59:24,228 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:59:24,229 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:59:24,229 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 21:59:24,229 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:59:24,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:59:24,230 INFO L82 PathProgramCache]: Analyzing trace with hash 1563039908, now seen corresponding path program 1 times [2020-10-27 21:59:24,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:59:24,231 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763276587] [2020-10-27 21:59:24,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:59:24,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:24,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:24,381 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:24,420 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:24,454 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:24,536 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:28,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:28,634 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:29,265 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:29,265 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 147 [2020-10-27 21:59:29,265 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 7 [2020-10-27 21:59:29,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5006 [2020-10-27 21:59:29,266 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 21:59:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 69 [2020-10-27 21:59:29,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 63 [2020-10-27 21:59:29,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:29,681 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 21:59:29,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:59:29,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:29,703 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:29,752 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:29,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:29,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:29,753 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 21:59:29,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:29,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:29,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:29,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:29,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:29,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:59:29,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:29,775 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:29,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:29,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:29,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:29,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:29,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:29,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:29,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:29,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:29,777 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:29,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:59:29,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:29,781 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:29,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:29,781 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:29,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:29,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:59:29,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:29,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:29,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:29,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:29,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:29,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:59:29,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:29,785 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:29,785 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:29,785 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:29,786 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:29,786 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:59:29,786 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:29,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:29,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:29,786 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:29,787 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:29,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:59:29,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:29,791 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:29,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:29,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:29,792 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:29,792 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:59:29,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:29,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:29,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:29,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:29,793 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:29,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 21:59:29,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:29,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:29,806 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:29,806 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:29,806 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:29,806 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:29,806 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:29,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:29,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:29,807 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:29,807 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:29,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-27 21:59:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:29,825 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:29,837 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:29,837 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-10-27 21:59:29,837 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:29,838 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-27 21:59:29,838 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:29,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:59:29,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:29,838 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 15 [2020-10-27 21:59:29,838 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:29,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 21:59:29,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:29,844 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:29,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:29,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 16 [2020-10-27 21:59:29,853 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:29,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-27 21:59:29,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:29,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-27 21:59:29,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:29,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-10-27 21:59:29,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:29,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:59:29,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:29,916 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:29,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:29,918 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:29,918 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:29,918 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:59:29,919 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:29,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-27 21:59:29,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:29,919 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 21:59:29,919 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:29,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2020-10-27 21:59:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:29,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:29,968 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:29,968 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 21:59:29,968 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:29,968 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:59:29,968 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:29,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:59:29,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:29,969 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 30 [2020-10-27 21:59:29,969 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:29,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 21:59:29,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:29,973 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:29,984 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:29,985 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 21:59:29,985 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:29,985 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-27 21:59:29,985 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:29,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:29,985 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:29,986 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:29,986 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:29,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:59:29,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:29,989 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:29,990 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:29,990 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:59:29,991 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:29,991 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:29,991 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:29,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:29,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:29,991 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:29,992 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:29,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 21:59:29,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:29,995 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:29,996 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:29,996 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:29,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:29,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:59:29,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:29,996 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:29,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:29,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:29,997 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:29,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-27 21:59:29,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:30,004 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:30,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:30,009 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:30,009 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:30,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-27 21:59:30,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:30,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 21:59:30,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:30,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:59:30,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:30,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-10-27 21:59:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:30,029 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:30,030 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:30,030 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:30,030 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:30,031 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:30,031 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:30,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:30,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:59:30,032 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:30,032 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 21:59:30,083 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-10-27 21:59:30,083 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763276587] [2020-10-27 21:59:30,083 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-27 21:59:30,084 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-10-27 21:59:30,084 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771985667] [2020-10-27 21:59:30,084 INFO L461 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-10-27 21:59:30,085 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:59:30,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-10-27 21:59:30,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2020-10-27 21:59:30,086 INFO L87 Difference]: Start difference. First operand 320 states and 396 transitions. Second operand 12 states. [2020-10-27 21:59:30,665 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 21:59:31,689 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 21:59:32,144 WARN L193 SmtUtils]: Spent 363.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 21:59:32,574 WARN L193 SmtUtils]: Spent 383.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 21:59:32,954 WARN L193 SmtUtils]: Spent 346.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 21:59:33,393 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 21:59:33,829 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-27 21:59:36,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:59:36,130 INFO L93 Difference]: Finished difference Result 975 states and 1416 transitions. [2020-10-27 21:59:36,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-10-27 21:59:36,130 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 99 [2020-10-27 21:59:36,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:59:36,143 INFO L225 Difference]: With dead ends: 975 [2020-10-27 21:59:36,143 INFO L226 Difference]: Without dead ends: 636 [2020-10-27 21:59:36,146 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 122 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=189, Invalid=461, Unknown=0, NotChecked=0, Total=650 [2020-10-27 21:59:36,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 636 states. [2020-10-27 21:59:36,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 636 to 443. [2020-10-27 21:59:36,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 443 states. [2020-10-27 21:59:36,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 443 states and 557 transitions. [2020-10-27 21:59:36,292 INFO L78 Accepts]: Start accepts. Automaton has 443 states and 557 transitions. Word has length 99 [2020-10-27 21:59:36,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:59:36,293 INFO L481 AbstractCegarLoop]: Abstraction has 443 states and 557 transitions. [2020-10-27 21:59:36,293 INFO L482 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-10-27 21:59:36,293 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 557 transitions. [2020-10-27 21:59:36,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-10-27 21:59:36,299 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:59:36,299 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:59:36,299 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 21:59:36,300 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:59:36,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:59:36,300 INFO L82 PathProgramCache]: Analyzing trace with hash -1874623344, now seen corresponding path program 1 times [2020-10-27 21:59:36,301 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:59:36,301 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1818154799] [2020-10-27 21:59:36,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:59:36,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:36,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:36,851 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:36,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 120 [2020-10-27 21:59:36,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:36,852 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 522 [2020-10-27 21:59:36,852 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:36,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 10 [2020-10-27 21:59:36,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:59:36,852 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 71 [2020-10-27 21:59:36,853 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:37,199 WARN L193 SmtUtils]: Spent 304.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 21:59:37,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 21:59:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:37,229 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:37,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:37,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:37,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:37,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-27 21:59:37,279 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:37,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:59:37,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:37,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 21:59:37,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:37,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 21:59:37,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:37,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:37,295 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:37,295 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:37,295 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:37,295 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:37,295 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:37,295 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:59:37,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:37,296 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 21:59:37,296 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:37,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 21:59:37,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:37,298 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:37,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:37,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:37,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:37,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:37,300 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:37,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:59:37,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:37,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 21:59:37,301 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:37,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 21:59:37,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:37,305 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:37,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:37,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:37,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:37,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:59:37,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:37,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:59:37,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:37,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:59:37,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:37,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 21:59:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:37,309 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:37,310 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:37,310 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 21:59:37,310 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:37,311 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:37,311 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:37,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:59:37,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:37,311 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 21:59:37,311 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:37,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-27 21:59:37,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:37,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:37,323 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:37,323 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:37,323 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:37,324 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:37,324 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:37,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:59:37,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:37,324 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:59:37,324 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:37,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-27 21:59:37,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:37,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:37,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:37,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 33 [2020-10-27 21:59:37,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:37,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-27 21:59:37,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:37,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:59:37,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 12 [2020-10-27 21:59:37,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 19 [2020-10-27 21:59:37,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:37,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-27 21:59:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:37,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:37,364 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:37,365 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 18 [2020-10-27 21:59:37,365 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:37,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 21:59:37,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:37,366 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:59:37,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:37,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-27 21:59:37,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:37,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-27 21:59:37,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:37,380 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:37,382 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:37,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 21:59:37,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:37,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:37,382 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:37,382 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:59:37,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:37,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 21:59:37,383 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:37,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-10-27 21:59:37,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:37,396 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:37,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:37,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:37,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:37,398 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:37,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:37,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 21:59:37,398 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 21:59:37,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 21:59:37,399 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:37,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-27 21:59:37,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:37,401 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:37,402 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:37,402 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:37,402 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:37,403 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-27 21:59:37,403 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:37,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:37,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:59:37,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:37,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:37,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2020-10-27 21:59:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 21:59:37,405 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 21:59:37,406 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 21:59:37,407 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 21:59:37,407 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 21:59:37,407 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 21:59:37,407 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 21:59:37,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 21:59:37,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 21:59:37,407 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 21:59:37,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 21:59:37,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 21:59:37,423 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1818154799] [2020-10-27 21:59:37,424 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 21:59:37,424 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-27 21:59:37,424 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329141746] [2020-10-27 21:59:37,425 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-27 21:59:37,425 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 21:59:37,426 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-27 21:59:37,426 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-27 21:59:37,426 INFO L87 Difference]: Start difference. First operand 443 states and 557 transitions. Second operand 7 states. [2020-10-27 21:59:38,072 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 21:59:38,779 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 21:59:41,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 21:59:41,847 INFO L93 Difference]: Finished difference Result 1518 states and 2139 transitions. [2020-10-27 21:59:41,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-27 21:59:41,848 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 80 [2020-10-27 21:59:41,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 21:59:41,857 INFO L225 Difference]: With dead ends: 1518 [2020-10-27 21:59:41,857 INFO L226 Difference]: Without dead ends: 1090 [2020-10-27 21:59:41,860 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-10-27 21:59:41,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1090 states. [2020-10-27 21:59:42,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1090 to 923. [2020-10-27 21:59:42,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 923 states. [2020-10-27 21:59:42,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1189 transitions. [2020-10-27 21:59:42,078 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1189 transitions. Word has length 80 [2020-10-27 21:59:42,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 21:59:42,079 INFO L481 AbstractCegarLoop]: Abstraction has 923 states and 1189 transitions. [2020-10-27 21:59:42,079 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-27 21:59:42,079 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1189 transitions. [2020-10-27 21:59:42,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-10-27 21:59:42,081 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 21:59:42,081 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 21:59:42,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-27 21:59:42,082 INFO L429 AbstractCegarLoop]: === Iteration 7 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-27 21:59:42,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 21:59:42,082 INFO L82 PathProgramCache]: Analyzing trace with hash -2005221462, now seen corresponding path program 1 times [2020-10-27 21:59:42,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 21:59:42,083 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [558988870] [2020-10-27 21:59:42,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 21:59:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 21:59:42,116 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 21:59:42,117 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 21:59:42,121 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-27 21:59:42,144 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 09:59:42 BoogieIcfgContainer [2020-10-27 21:59:42,144 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 21:59:42,146 INFO L168 Benchmark]: Toolchain (without parser) took 55955.20 ms. Allocated memory was 151.0 MB in the beginning and 660.6 MB in the end (delta: 509.6 MB). Free memory was 124.3 MB in the beginning and 303.2 MB in the end (delta: -178.9 MB). Peak memory consumption was 331.5 MB. Max. memory is 8.0 GB. [2020-10-27 21:59:42,146 INFO L168 Benchmark]: CDTParser took 0.57 ms. Allocated memory is still 151.0 MB. Free memory is still 122.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 21:59:42,147 INFO L168 Benchmark]: CACSL2BoogieTranslator took 590.03 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 103.3 MB in the end (delta: 20.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-27 21:59:42,148 INFO L168 Benchmark]: Boogie Preprocessor took 153.53 ms. Allocated memory is still 151.0 MB. Free memory was 103.3 MB in the beginning and 99.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-10-27 21:59:42,148 INFO L168 Benchmark]: RCFGBuilder took 1317.61 ms. Allocated memory is still 151.0 MB. Free memory was 99.4 MB in the beginning and 48.0 MB in the end (delta: 51.3 MB). Peak memory consumption was 52.4 MB. Max. memory is 8.0 GB. [2020-10-27 21:59:42,149 INFO L168 Benchmark]: TraceAbstraction took 53858.19 ms. Allocated memory was 199.2 MB in the beginning and 660.6 MB in the end (delta: 461.4 MB). Free memory was 178.2 MB in the beginning and 303.2 MB in the end (delta: -125.0 MB). Peak memory consumption was 336.4 MB. Max. memory is 8.0 GB. [2020-10-27 21:59:42,152 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.57 ms. Allocated memory is still 151.0 MB. Free memory is still 122.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 590.03 ms. Allocated memory is still 151.0 MB. Free memory was 123.7 MB in the beginning and 103.3 MB in the end (delta: 20.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 153.53 ms. Allocated memory is still 151.0 MB. Free memory was 103.3 MB in the beginning and 99.4 MB in the end (delta: 3.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1317.61 ms. Allocated memory is still 151.0 MB. Free memory was 99.4 MB in the beginning and 48.0 MB in the end (delta: 51.3 MB). Peak memory consumption was 52.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 53858.19 ms. Allocated memory was 199.2 MB in the beginning and 660.6 MB in the end (delta: 461.4 MB). Free memory was 178.2 MB in the beginning and 303.2 MB in the end (delta: -125.0 MB). Peak memory consumption was 336.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; [L315] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L526] int waterLevel = 1; [L527] int methaneLevelCritical = 0; [L691] int pumpRunning = 0; [L692] int systemActive = 1; [L123] int retValue_acc ; [L124] int tmp ; [L128] FCALL select_helpers() [L129] FCALL select_features() [L130] CALL, EXPR valid_product() [L904] int retValue_acc ; [L907] retValue_acc = 1 [L908] return (retValue_acc); [L130] RET, EXPR valid_product() [L130] tmp = valid_product() [L132] COND TRUE \read(tmp) [L134] FCALL setup() [L135] CALL runTest() [L114] CALL test() [L622] int splverifierCounter ; [L623] int tmp ; [L624] int tmp___0 ; [L625] int tmp___1 ; [L626] int tmp___2 ; [L629] splverifierCounter = 0 [L631] COND TRUE 1 [L633] COND TRUE splverifierCounter < 4 [L639] tmp = __VERIFIER_nondet_int() [L641] COND TRUE \read(tmp) [L643] CALL waterRise() [L544] COND TRUE waterLevel < 2 [L545] waterLevel = waterLevel + 1 [L643] RET waterRise() [L649] tmp___0 = __VERIFIER_nondet_int() [L651] COND TRUE \read(tmp___0) [L653] CALL changeMethaneLevel() [L556] COND FALSE !(\read(methaneLevelCritical)) [L559] methaneLevelCritical = 1 [L653] RET changeMethaneLevel() [L659] tmp___2 = __VERIFIER_nondet_int() [L661] COND FALSE !(\read(tmp___2)) [L667] tmp___1 = __VERIFIER_nondet_int() [L669] COND FALSE !(\read(tmp___1)) [L676] CALL timeShift() [L699] COND FALSE !(\read(pumpRunning)) [L706] COND TRUE \read(systemActive) [L708] CALL processEnvironment() [L728] int tmp ; [L731] COND TRUE ! pumpRunning [L733] CALL, EXPR isHighWaterLevel() [L825] int retValue_acc ; [L826] int tmp ; [L827] int tmp___0 ; [L831] CALL, EXPR isHighWaterSensorDry() [L606] int retValue_acc ; [L609] COND FALSE !(waterLevel < 2) [L613] retValue_acc = 0 [L614] return (retValue_acc); [L831] RET, EXPR isHighWaterSensorDry() [L831] tmp = isHighWaterSensorDry() [L833] COND FALSE !(\read(tmp)) [L836] tmp___0 = 1 [L838] retValue_acc = tmp___0 [L839] return (retValue_acc); [L733] RET, EXPR isHighWaterLevel() [L733] tmp = isHighWaterLevel() [L735] COND TRUE \read(tmp) [L737] CALL activatePump() [L756] pumpRunning = 1 [L737] RET activatePump() [L708] RET processEnvironment() [L714] CALL __utac_acc__Specification1_spec__1() [L853] int tmp ; [L854] int tmp___0 ; [L858] CALL, EXPR isMethaneLevelCritical() [L565] int retValue_acc ; [L568] retValue_acc = methaneLevelCritical [L569] return (retValue_acc); [L858] RET, EXPR isMethaneLevelCritical() [L858] tmp = isMethaneLevelCritical() [L860] COND TRUE \read(tmp) [L862] CALL, EXPR isPumpRunning() [L780] int retValue_acc ; [L783] retValue_acc = pumpRunning [L784] return (retValue_acc); [L862] RET, EXPR isPumpRunning() [L862] tmp___0 = isPumpRunning() [L864] COND TRUE \read(tmp___0) [L866] CALL __automaton_fail() [L516] CALL reach_error() [L3] __assert_fail("0", "minepump_spec1_product34.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 231 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 53.7s, OverallIterations: 7, TraceHistogramMax: 2, AutomataDifference: 27.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 679 SDtfs, 1797 SDslu, 976 SDs, 0 SdLazy, 4178 SolverSat, 1356 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 241 GetRequests, 157 SyntacticMatches, 3 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 213 ImplicationChecksByTransitivity, 13.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=923occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 6 MinimizatonAttempts, 605 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 24.8s InterpolantComputationTime, 552 NumberOfCodeBlocks, 552 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 462 ConstructedInterpolants, 0 QuantifiedInterpolants, 164372 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 18/22 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...