/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_spec3_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-27 22:10:53,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-27 22:10:53,959 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-27 22:10:54,003 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-27 22:10:54,003 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-27 22:10:54,005 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-27 22:10:54,006 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-27 22:10:54,009 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-27 22:10:54,011 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-27 22:10:54,012 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-27 22:10:54,023 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-27 22:10:54,026 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-27 22:10:54,026 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-27 22:10:54,032 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-27 22:10:54,035 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-27 22:10:54,037 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-27 22:10:54,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-27 22:10:54,040 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-27 22:10:54,048 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-27 22:10:54,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-27 22:10:54,054 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-27 22:10:54,056 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-27 22:10:54,057 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-27 22:10:54,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-27 22:10:54,067 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-27 22:10:54,068 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-27 22:10:54,068 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-27 22:10:54,069 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-27 22:10:54,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-27 22:10:54,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-27 22:10:54,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-27 22:10:54,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-27 22:10:54,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-27 22:10:54,078 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-27 22:10:54,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-27 22:10:54,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-27 22:10:54,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-27 22:10:54,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-27 22:10:54,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-27 22:10:54,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-27 22:10:54,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-27 22:10:54,083 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 22:10:54,107 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-27 22:10:54,108 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-27 22:10:54,109 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-27 22:10:54,109 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-27 22:10:54,109 INFO L138 SettingsManager]: * Use SBE=true [2020-10-27 22:10:54,110 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-27 22:10:54,110 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-27 22:10:54,110 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-27 22:10:54,110 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-27 22:10:54,110 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-27 22:10:54,111 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-27 22:10:54,111 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-27 22:10:54,111 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-27 22:10:54,111 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-27 22:10:54,111 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-27 22:10:54,112 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-27 22:10:54,112 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-27 22:10:54,112 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-27 22:10:54,112 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-27 22:10:54,112 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-27 22:10:54,113 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-27 22:10:54,113 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-27 22:10:54,113 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-27 22:10:54,113 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-27 22:10:54,113 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-27 22:10:54,114 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-27 22:10:54,114 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-27 22:10:54,114 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-27 22:10:54,114 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-27 22:10:54,114 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true;unknown-allowed=true; [2020-10-27 22:10:54,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-27 22:10:54,496 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-27 22:10:54,499 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-27 22:10:54,501 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-27 22:10:54,501 INFO L275 PluginConnector]: CDTParser initialized [2020-10-27 22:10:54,502 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product20.cil.c [2020-10-27 22:10:54,586 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e61a9fd32/8ca41458589c486596271561fea1ca66/FLAG29fca65c4 [2020-10-27 22:10:55,273 INFO L306 CDTParser]: Found 1 translation units. [2020-10-27 22:10:55,274 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec3_product20.cil.c [2020-10-27 22:10:55,291 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e61a9fd32/8ca41458589c486596271561fea1ca66/FLAG29fca65c4 [2020-10-27 22:10:55,511 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/e61a9fd32/8ca41458589c486596271561fea1ca66 [2020-10-27 22:10:55,516 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-27 22:10:55,523 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-27 22:10:55,527 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-27 22:10:55,527 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-27 22:10:55,532 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-27 22:10:55,533 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:10:55" (1/1) ... [2020-10-27 22:10:55,546 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25218593 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:55, skipping insertion in model container [2020-10-27 22:10:55,547 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 10:10:55" (1/1) ... [2020-10-27 22:10:55,556 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-27 22:10:55,629 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-27 22:10:55,993 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:10:56,007 INFO L203 MainTranslator]: Completed pre-run [2020-10-27 22:10:56,100 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-27 22:10:56,137 INFO L208 MainTranslator]: Completed translation [2020-10-27 22:10:56,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:56 WrapperNode [2020-10-27 22:10:56,137 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-27 22:10:56,138 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-27 22:10:56,139 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-27 22:10:56,139 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-27 22:10:56,152 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:56" (1/1) ... [2020-10-27 22:10:56,152 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:56" (1/1) ... [2020-10-27 22:10:56,170 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:56" (1/1) ... [2020-10-27 22:10:56,171 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:56" (1/1) ... [2020-10-27 22:10:56,200 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:56" (1/1) ... [2020-10-27 22:10:56,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:56" (1/1) ... [2020-10-27 22:10:56,215 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:56" (1/1) ... [2020-10-27 22:10:56,223 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-27 22:10:56,224 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-27 22:10:56,224 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-27 22:10:56,224 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-27 22:10:56,225 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:56" (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 22:10:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-27 22:10:56,307 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-27 22:10:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-27 22:10:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-27 22:10:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-27 22:10:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-27 22:10:56,308 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-27 22:10:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-27 22:10:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-27 22:10:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-27 22:10:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-27 22:10:56,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-27 22:10:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-27 22:10:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-27 22:10:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-27 22:10:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-27 22:10:56,310 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-27 22:10:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-27 22:10:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-27 22:10:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-27 22:10:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-27 22:10:56,311 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-27 22:10:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-27 22:10:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-27 22:10:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-27 22:10:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-27 22:10:56,312 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-27 22:10:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-27 22:10:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-27 22:10:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-27 22:10:56,313 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-27 22:10:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-27 22:10:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-27 22:10:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-27 22:10:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-27 22:10:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-27 22:10:56,314 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-27 22:10:56,315 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-27 22:10:56,315 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-27 22:10:56,315 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-27 22:10:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-27 22:10:56,315 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-27 22:10:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-27 22:10:56,316 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-27 22:10:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-27 22:10:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-27 22:10:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-27 22:10:56,338 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-27 22:10:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-27 22:10:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-27 22:10:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-27 22:10:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-27 22:10:56,339 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-27 22:10:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-27 22:10:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-27 22:10:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-27 22:10:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-27 22:10:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-27 22:10:56,340 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-27 22:10:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-27 22:10:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-27 22:10:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-27 22:10:56,341 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-27 22:10:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-27 22:10:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-27 22:10:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-27 22:10:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-27 22:10:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-27 22:10:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-27 22:10:56,342 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-27 22:10:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-27 22:10:56,343 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-27 22:10:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-27 22:10:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-27 22:10:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-27 22:10:56,345 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-27 22:10:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-27 22:10:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-27 22:10:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-27 22:10:56,346 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-27 22:10:56,347 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-27 22:10:56,347 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-27 22:10:56,347 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-27 22:10:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-27 22:10:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-27 22:10:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-27 22:10:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-27 22:10:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-27 22:10:56,348 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-27 22:10:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-27 22:10:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-27 22:10:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-27 22:10:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-27 22:10:56,349 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-27 22:10:57,467 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-27 22:10:57,467 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-27 22:10:57,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:10:57 BoogieIcfgContainer [2020-10-27 22:10:57,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-27 22:10:57,492 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-27 22:10:57,492 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-27 22:10:57,495 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-27 22:10:57,496 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 10:10:55" (1/3) ... [2020-10-27 22:10:57,497 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@715563e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:10:57, skipping insertion in model container [2020-10-27 22:10:57,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 10:10:56" (2/3) ... [2020-10-27 22:10:57,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@715563e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 10:10:57, skipping insertion in model container [2020-10-27 22:10:57,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 10:10:57" (3/3) ... [2020-10-27 22:10:57,500 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product20.cil.c [2020-10-27 22:10:57,512 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-27 22:10:57,518 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-27 22:10:57,531 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-27 22:10:57,573 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-27 22:10:57,574 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-27 22:10:57,574 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-27 22:10:57,575 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-27 22:10:57,575 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-27 22:10:57,575 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-27 22:10:57,575 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-27 22:10:57,576 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-27 22:10:57,606 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states. [2020-10-27 22:10:57,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-27 22:10:57,621 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:10:57,622 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-27 22:10:57,623 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 22:10:57,634 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:10:57,635 INFO L82 PathProgramCache]: Analyzing trace with hash -461344376, now seen corresponding path program 1 times [2020-10-27 22:10:57,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:10:57,645 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1895828473] [2020-10-27 22:10:57,645 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:10:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:10:58,072 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:58,160 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:10:58,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:00,974 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:00,975 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-27 22:11:00,975 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:11:00,975 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2963 [2020-10-27 22:11:00,977 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:00,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:00,978 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-27 22:11:00,979 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:00,979 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-27 22:11:01,381 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:11:01,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:11:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:01,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:01,459 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:01,459 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:01,460 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:01,460 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 54 [2020-10-27 22:11:01,460 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:01,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:01,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:01,461 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:01,462 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:11:01,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:11:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:01,491 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:01,492 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:01,492 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:01,492 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:01,492 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:01,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:01,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:01,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:01,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:01,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:01,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:11:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:01,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:01,498 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:01,498 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:01,498 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:01,498 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:01,498 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:01,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:01,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:01,499 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:01,499 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:01,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:11:01,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:01,504 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:01,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:01,506 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:01,506 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:01,506 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:01,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:01,507 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:01,507 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:01,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:11:01,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:01,521 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:01,522 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:01,523 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:01,523 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:01,524 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:01,524 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:01,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:01,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:01,524 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:01,525 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:01,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-27 22:11:01,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:01,530 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:01,531 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:01,532 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:01,533 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:01,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:01,534 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:01,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:01,534 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:01,535 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:01,535 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:01,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 22:11:01,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:01,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:01,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:01,548 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:01,548 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:01,548 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:01,548 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:01,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:01,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:01,549 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:01,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:01,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 22:11:01,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:01,557 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:01,558 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:01,558 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:01,558 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:01,558 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:01,559 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:01,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:01,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:01,559 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:01,559 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:01,577 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-27 22:11:01,578 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1895828473] [2020-10-27 22:11:01,580 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:11:01,580 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-27 22:11:01,581 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1287563893] [2020-10-27 22:11:01,588 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-27 22:11:01,588 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:11:01,602 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-27 22:11:01,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 22:11:01,606 INFO L87 Difference]: Start difference. First operand 170 states. Second operand 3 states. [2020-10-27 22:11:03,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:11:03,047 INFO L93 Difference]: Finished difference Result 287 states and 376 transitions. [2020-10-27 22:11:03,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-27 22:11:03,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 53 [2020-10-27 22:11:03,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:11:03,071 INFO L225 Difference]: With dead ends: 287 [2020-10-27 22:11:03,072 INFO L226 Difference]: Without dead ends: 154 [2020-10-27 22:11:03,078 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-27 22:11:03,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-10-27 22:11:03,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 121. [2020-10-27 22:11:03,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-10-27 22:11:03,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 141 transitions. [2020-10-27 22:11:03,208 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 141 transitions. Word has length 53 [2020-10-27 22:11:03,208 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:11:03,208 INFO L481 AbstractCegarLoop]: Abstraction has 121 states and 141 transitions. [2020-10-27 22:11:03,208 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-27 22:11:03,209 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 141 transitions. [2020-10-27 22:11:03,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-10-27 22:11:03,219 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:11:03,220 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] [2020-10-27 22:11:03,221 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-27 22:11:03,221 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 22:11:03,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:11:03,225 INFO L82 PathProgramCache]: Analyzing trace with hash -98689671, now seen corresponding path program 1 times [2020-10-27 22:11:03,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:11:03,225 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2021894127] [2020-10-27 22:11:03,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:11:03,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:03,306 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:03,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:03,483 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:06,234 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:06,235 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 88 [2020-10-27 22:11:06,235 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-27 22:11:06,235 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2966 [2020-10-27 22:11:06,235 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:06,235 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:06,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-27 22:11:06,236 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-27 22:11:06,236 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:06,630 WARN L193 SmtUtils]: Spent 345.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:11:06,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:11:06,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:06,641 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:06,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:06,670 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:06,670 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:06,671 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-10-27 22:11:06,671 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:06,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:06,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:06,671 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:06,672 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:06,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:11:06,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:06,690 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:06,691 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:06,691 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:06,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:06,692 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:06,692 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:06,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:06,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:06,692 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:06,693 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:06,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:11:06,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:06,695 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:06,696 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:06,696 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:06,696 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:06,696 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:06,697 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:06,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:06,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:06,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:06,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:06,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:11:06,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:06,700 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:06,701 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:06,701 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:06,701 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:06,702 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:06,702 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:06,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:06,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:06,702 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:06,703 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:06,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:11:06,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:06,705 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:06,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:06,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:06,706 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:06,706 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:06,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:06,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:06,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:06,707 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:06,707 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:06,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 22:11:06,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:06,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:06,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:06,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:06,711 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:06,711 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:06,712 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:06,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:06,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:06,712 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:06,712 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:06,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-27 22:11:06,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:06,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:06,716 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:06,716 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:06,716 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:06,717 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:06,717 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:06,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:06,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:06,717 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:06,718 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:06,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-10-27 22:11:06,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:06,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:06,721 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:06,722 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:06,722 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:06,722 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:06,722 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:06,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:06,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:06,723 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:06,723 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:06,735 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 22:11:06,735 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2021894127] [2020-10-27 22:11:06,736 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:11:06,736 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-27 22:11:06,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [753212880] [2020-10-27 22:11:06,738 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-27 22:11:06,738 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:11:06,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-27 22:11:06,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-27 22:11:06,739 INFO L87 Difference]: Start difference. First operand 121 states and 141 transitions. Second operand 4 states. [2020-10-27 22:11:07,270 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-27 22:11:08,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:11:08,066 INFO L93 Difference]: Finished difference Result 207 states and 251 transitions. [2020-10-27 22:11:08,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 22:11:08,067 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-10-27 22:11:08,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:11:08,070 INFO L225 Difference]: With dead ends: 207 [2020-10-27 22:11:08,070 INFO L226 Difference]: Without dead ends: 138 [2020-10-27 22:11:08,071 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-27 22:11:08,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2020-10-27 22:11:08,113 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 112. [2020-10-27 22:11:08,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 112 states. [2020-10-27 22:11:08,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 129 transitions. [2020-10-27 22:11:08,114 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 129 transitions. Word has length 54 [2020-10-27 22:11:08,115 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:11:08,115 INFO L481 AbstractCegarLoop]: Abstraction has 112 states and 129 transitions. [2020-10-27 22:11:08,115 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-27 22:11:08,115 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 129 transitions. [2020-10-27 22:11:08,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-10-27 22:11:08,117 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:11:08,117 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] [2020-10-27 22:11:08,117 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-27 22:11:08,118 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 22:11:08,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:11:08,118 INFO L82 PathProgramCache]: Analyzing trace with hash 971446741, now seen corresponding path program 1 times [2020-10-27 22:11:08,118 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:11:08,119 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [857949122] [2020-10-27 22:11:08,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:11:08,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:08,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:08,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:09,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:09,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 91 [2020-10-27 22:11:09,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-27 22:11:09,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1249 [2020-10-27 22:11:09,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:09,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-27 22:11:09,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:09,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-27 22:11:09,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:09,786 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:11:09,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:11:09,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:09,820 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:09,908 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:09,909 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:09,909 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:09,909 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 99 [2020-10-27 22:11:09,909 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:09,909 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:09,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:09,910 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:11:09,910 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:09,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:11:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:09,928 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:09,930 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:09,930 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:09,930 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:09,930 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:09,931 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:09,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:09,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:09,931 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:09,931 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:09,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:11:09,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:09,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:09,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:09,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:09,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:09,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:09,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:09,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:09,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:09,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:09,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:09,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:11:09,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:09,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:09,944 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:09,944 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:09,944 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:09,944 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:09,944 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:09,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:09,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:09,945 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:11:09,945 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:09,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:11:09,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:09,949 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:09,950 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:09,950 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:09,950 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:09,951 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:09,951 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:09,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:09,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:09,952 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:09,952 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-27 22:11:09,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-27 22:11:09,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:09,955 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:09,956 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:09,956 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:09,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:09,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:09,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:09,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:09,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:09,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:09,957 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:09,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-10-27 22:11:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:09,961 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:09,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:09,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:09,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:09,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:09,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:09,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:09,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:09,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:09,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:09,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-10-27 22:11:09,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:09,965 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:09,966 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:09,966 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:09,966 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:09,966 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:09,966 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:09,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:09,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:09,967 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:09,967 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:09,977 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 22:11:09,978 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [857949122] [2020-10-27 22:11:09,978 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:11:09,978 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-27 22:11:09,978 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1229005272] [2020-10-27 22:11:09,980 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-27 22:11:09,980 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:11:09,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-27 22:11:09,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-27 22:11:09,981 INFO L87 Difference]: Start difference. First operand 112 states and 129 transitions. Second operand 5 states. [2020-10-27 22:11:10,461 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:11:12,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:11:12,117 INFO L93 Difference]: Finished difference Result 324 states and 397 transitions. [2020-10-27 22:11:12,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-27 22:11:12,117 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 59 [2020-10-27 22:11:12,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:11:12,121 INFO L225 Difference]: With dead ends: 324 [2020-10-27 22:11:12,122 INFO L226 Difference]: Without dead ends: 236 [2020-10-27 22:11:12,123 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2020-10-27 22:11:12,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-10-27 22:11:12,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 189. [2020-10-27 22:11:12,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 189 states. [2020-10-27 22:11:12,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 224 transitions. [2020-10-27 22:11:12,196 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 224 transitions. Word has length 59 [2020-10-27 22:11:12,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:11:12,196 INFO L481 AbstractCegarLoop]: Abstraction has 189 states and 224 transitions. [2020-10-27 22:11:12,196 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-27 22:11:12,197 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 224 transitions. [2020-10-27 22:11:12,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-10-27 22:11:12,198 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:11:12,198 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] [2020-10-27 22:11:12,198 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-27 22:11:12,199 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 22:11:12,199 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:11:12,199 INFO L82 PathProgramCache]: Analyzing trace with hash -726066665, now seen corresponding path program 1 times [2020-10-27 22:11:12,199 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:11:12,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [500818783] [2020-10-27 22:11:12,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:11:12,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:12,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:13,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:13,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 98 [2020-10-27 22:11:13,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:13,072 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 842 [2020-10-27 22:11:13,072 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:13,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 13 [2020-10-27 22:11:13,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:13,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 78 [2020-10-27 22:11:13,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:13,477 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-27 22:11:13,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-27 22:11:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:13,508 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:13,631 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:13,631 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:13,632 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:13,632 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 134 [2020-10-27 22:11:13,632 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:13,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:13,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:13,632 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-27 22:11:13,632 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:13,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-27 22:11:13,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:13,671 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:13,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:13,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:13,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:13,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:13,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:13,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:13,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:13,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:13,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:13,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-27 22:11:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:13,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:13,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:13,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:13,678 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:13,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:13,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:13,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:13,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:13,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:13,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:13,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-27 22:11:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:13,682 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:13,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:13,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:13,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:13,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:13,684 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:13,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:13,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:13,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:11:13,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:13,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-27 22:11:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:13,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:13,690 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:13,690 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-27 22:11:13,691 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:13,691 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:13,691 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:13,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:13,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:13,691 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-27 22:11:13,692 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:13,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-27 22:11:13,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:13,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:13,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:13,711 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-27 22:11:13,713 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:13,714 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-27 22:11:13,714 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:13,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:13,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:13,714 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-27 22:11:13,714 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:13,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-27 22:11:13,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:13,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:13,729 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:13,729 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:13,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:13,731 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-27 22:11:13,731 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:13,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-27 22:11:13,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:13,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:11:13,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:13,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-10-27 22:11:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:13,737 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:13,740 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:13,740 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:13,740 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:13,740 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-27 22:11:13,741 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:13,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-27 22:11:13,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-27 22:11:13,741 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-27 22:11:13,741 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:13,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-10-27 22:11:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-27 22:11:13,757 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-27 22:11:13,758 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-27 22:11:13,758 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-27 22:11:13,758 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-27 22:11:13,759 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-27 22:11:13,759 FATAL L256 erpolLogProxyWrapper]: Heuristic: DEEPEST [2020-10-27 22:11:13,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-27 22:11:13,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-27 22:11:13,759 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-27 22:11:13,759 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-27 22:11:13,775 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 22:11:13,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [500818783] [2020-10-27 22:11:13,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-27 22:11:13,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-10-27 22:11:13,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382385055] [2020-10-27 22:11:13,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-10-27 22:11:13,777 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-27 22:11:13,778 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-10-27 22:11:13,778 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-10-27 22:11:13,778 INFO L87 Difference]: Start difference. First operand 189 states and 224 transitions. Second operand 9 states. [2020-10-27 22:11:14,312 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:11:16,030 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-27 22:11:16,491 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 22:11:16,932 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-27 22:11:17,307 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-27 22:11:17,801 WARN L193 SmtUtils]: Spent 324.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-27 22:11:18,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-27 22:11:18,687 INFO L93 Difference]: Finished difference Result 599 states and 790 transitions. [2020-10-27 22:11:18,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-27 22:11:18,689 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-10-27 22:11:18,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-27 22:11:18,696 INFO L225 Difference]: With dead ends: 599 [2020-10-27 22:11:18,696 INFO L226 Difference]: Without dead ends: 434 [2020-10-27 22:11:18,698 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-10-27 22:11:18,699 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-10-27 22:11:18,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 356. [2020-10-27 22:11:18,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 356 states. [2020-10-27 22:11:18,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 356 states and 434 transitions. [2020-10-27 22:11:18,811 INFO L78 Accepts]: Start accepts. Automaton has 356 states and 434 transitions. Word has length 64 [2020-10-27 22:11:18,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-27 22:11:18,812 INFO L481 AbstractCegarLoop]: Abstraction has 356 states and 434 transitions. [2020-10-27 22:11:18,812 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-10-27 22:11:18,812 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 434 transitions. [2020-10-27 22:11:18,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2020-10-27 22:11:18,814 INFO L414 BasicCegarLoop]: Found error trace [2020-10-27 22:11:18,815 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] [2020-10-27 22:11:18,815 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-27 22:11:18,815 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 22:11:18,816 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-27 22:11:18,816 INFO L82 PathProgramCache]: Analyzing trace with hash 224292433, now seen corresponding path program 1 times [2020-10-27 22:11:18,816 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-27 22:11:18,816 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1864268563] [2020-10-27 22:11:18,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-27 22:11:18,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-27 22:11:18,859 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-27 22:11:18,859 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-27 22:11:18,864 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-27 22:11:18,885 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 10:11:18 BoogieIcfgContainer [2020-10-27 22:11:18,885 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-27 22:11:18,887 INFO L168 Benchmark]: Toolchain (without parser) took 23368.41 ms. Allocated memory was 151.0 MB in the beginning and 477.1 MB in the end (delta: 326.1 MB). Free memory was 124.9 MB in the beginning and 300.9 MB in the end (delta: -176.1 MB). Peak memory consumption was 150.5 MB. Max. memory is 8.0 GB. [2020-10-27 22:11:18,888 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory was 121.9 MB in the beginning and 121.8 MB in the end (delta: 102.2 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-10-27 22:11:18,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 610.64 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 103.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:11:18,889 INFO L168 Benchmark]: Boogie Preprocessor took 84.46 ms. Allocated memory is still 151.0 MB. Free memory was 103.3 MB in the beginning and 99.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-27 22:11:18,890 INFO L168 Benchmark]: RCFGBuilder took 1245.68 ms. Allocated memory is still 151.0 MB. Free memory was 99.3 MB in the beginning and 48.5 MB in the end (delta: 50.8 MB). Peak memory consumption was 51.7 MB. Max. memory is 8.0 GB. [2020-10-27 22:11:18,891 INFO L168 Benchmark]: TraceAbstraction took 21393.43 ms. Allocated memory was 181.4 MB in the beginning and 477.1 MB in the end (delta: 295.7 MB). Free memory was 159.8 MB in the beginning and 300.9 MB in the end (delta: -141.1 MB). Peak memory consumption was 154.0 MB. Max. memory is 8.0 GB. [2020-10-27 22:11:18,894 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 151.0 MB. Free memory was 121.9 MB in the beginning and 121.8 MB in the end (delta: 102.2 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 610.64 ms. Allocated memory is still 151.0 MB. Free memory was 124.2 MB in the beginning and 103.3 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 84.46 ms. Allocated memory is still 151.0 MB. Free memory was 103.3 MB in the beginning and 99.3 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1245.68 ms. Allocated memory is still 151.0 MB. Free memory was 99.3 MB in the beginning and 48.5 MB in the end (delta: 50.8 MB). Peak memory consumption was 51.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 21393.43 ms. Allocated memory was 181.4 MB in the beginning and 477.1 MB in the end (delta: 295.7 MB). Free memory was 159.8 MB in the beginning and 300.9 MB in the end (delta: -141.1 MB). Peak memory consumption was 154.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L249] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L446] int cleanupTimeShifts = 4; [L592] int pumpRunning = 0; [L593] int systemActive = 1; [L836] int waterLevel = 1; [L837] int methaneLevelCritical = 0; [L524] int retValue_acc ; [L525] int tmp ; [L529] FCALL select_helpers() [L530] FCALL select_features() [L531] CALL, EXPR valid_product() [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); [L531] RET, EXPR valid_product() [L531] tmp = valid_product() [L533] COND TRUE \read(tmp) [L535] FCALL setup() [L536] CALL runTest() [L518] CALL test() [L768] int splverifierCounter ; [L769] int tmp ; [L770] int tmp___0 ; [L771] int tmp___1 ; [L772] int tmp___2 ; [L775] splverifierCounter = 0 [L777] COND TRUE 1 [L779] COND TRUE splverifierCounter < 4 [L785] tmp = __VERIFIER_nondet_int() [L787] COND TRUE \read(tmp) [L789] CALL waterRise() [L854] COND TRUE waterLevel < 2 [L855] waterLevel = waterLevel + 1 [L789] RET waterRise() [L795] tmp___0 = __VERIFIER_nondet_int() [L797] COND FALSE !(\read(tmp___0)) [L805] tmp___2 = __VERIFIER_nondet_int() [L807] COND FALSE !(\read(tmp___2)) [L813] tmp___1 = __VERIFIER_nondet_int() [L815] COND TRUE \read(tmp___1) [L817] CALL stopSystem() [L747] COND FALSE !(\read(pumpRunning)) [L754] systemActive = 0 [L817] RET stopSystem() [L824] CALL timeShift() [L599] COND FALSE !(\read(pumpRunning)) [L606] COND FALSE !(\read(systemActive)) [L614] CALL __utac_acc__Specification3_spec__1() [L552] int tmp ; [L553] int tmp___0 ; [L554] int tmp___1 ; [L558] CALL, EXPR isMethaneLevelCritical() [L875] int retValue_acc ; [L878] retValue_acc = methaneLevelCritical [L879] return (retValue_acc); [L558] RET, EXPR isMethaneLevelCritical() [L558] tmp = isMethaneLevelCritical() [L560] COND FALSE !(\read(tmp)) [L564] CALL, EXPR getWaterLevel() [L907] int retValue_acc ; [L910] retValue_acc = waterLevel [L911] return (retValue_acc); [L564] RET, EXPR getWaterLevel() [L564] tmp___0 = getWaterLevel() [L566] COND TRUE tmp___0 == 2 [L568] CALL, EXPR isPumpRunning() [L680] int retValue_acc ; [L683] retValue_acc = pumpRunning [L684] return (retValue_acc); [L568] RET, EXPR isPumpRunning() [L568] tmp___1 = isPumpRunning() [L570] COND FALSE !(\read(tmp___1)) [L574] CALL __automaton_fail() [L929] CALL reach_error() [L3] __assert_fail("0", "minepump_spec3_product20.cil.c", 3, "reach_error") - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 239 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 21.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 466 SDtfs, 731 SDslu, 252 SDs, 0 SdLazy, 1189 SolverSat, 483 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 95 GetRequests, 72 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 4.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=356occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 184 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 10.3s InterpolantComputationTime, 298 NumberOfCodeBlocks, 298 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 226 ConstructedInterpolants, 0 QuantifiedInterpolants, 68692 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...