/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:58:34,974 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:58:34,977 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:58:35,034 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:58:35,034 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:58:35,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:58:35,043 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:58:35,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:58:35,052 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:58:35,060 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:58:35,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:58:35,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:58:35,064 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:58:35,068 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:58:35,072 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:58:35,074 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:58:35,076 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:58:35,080 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:58:35,089 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:58:35,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:58:35,096 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:58:35,099 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:58:35,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:58:35,101 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:58:35,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:58:35,133 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:58:35,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:58:35,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:58:35,135 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:58:35,137 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:58:35,137 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:58:35,138 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:58:35,139 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:58:35,140 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:58:35,141 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:58:35,142 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:58:35,143 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:58:35,143 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:58:35,143 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:58:35,144 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:58:35,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:58:35,146 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-28 16:58:35,172 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:58:35,173 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:58:35,174 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:58:35,175 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:58:35,175 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:58:35,175 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:58:35,175 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:58:35,175 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:58:35,176 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:58:35,176 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:58:35,176 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:58:35,176 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:58:35,176 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:58:35,177 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:58:35,177 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:58:35,177 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:58:35,177 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:58:35,177 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:58:35,178 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:58:35,178 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:58:35,178 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:58:35,178 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:58:35,179 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:58:35,179 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:58:35,179 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:58:35,179 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:58:35,179 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:58:35,180 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:58:35,180 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:58:35,180 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:58:35,554 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:58:35,589 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:58:35,593 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:58:35,595 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:58:35,595 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:58:35,597 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2020-10-28 16:58:35,687 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dff6bb0a2/b09690cee7a94f679eca55e2b2618823/FLAG7b7b84cb8 [2020-10-28 16:58:36,452 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:58:36,453 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product09.cil.c [2020-10-28 16:58:36,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dff6bb0a2/b09690cee7a94f679eca55e2b2618823/FLAG7b7b84cb8 [2020-10-28 16:58:36,738 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/dff6bb0a2/b09690cee7a94f679eca55e2b2618823 [2020-10-28 16:58:36,741 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:58:36,748 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:58:36,751 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:58:36,751 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:58:36,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:58:36,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:58:36" (1/1) ... [2020-10-28 16:58:36,764 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d6d1282 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:36, skipping insertion in model container [2020-10-28 16:58:36,764 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:58:36" (1/1) ... [2020-10-28 16:58:36,773 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:58:36,837 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:58:37,130 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:58:37,144 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:58:37,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:58:37,356 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:58:37,358 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:37 WrapperNode [2020-10-28 16:58:37,359 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:58:37,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:58:37,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:58:37,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:58:37,382 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:37" (1/1) ... [2020-10-28 16:58:37,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:37" (1/1) ... [2020-10-28 16:58:37,435 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:37" (1/1) ... [2020-10-28 16:58:37,436 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:37" (1/1) ... [2020-10-28 16:58:37,496 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:37" (1/1) ... [2020-10-28 16:58:37,513 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:37" (1/1) ... [2020-10-28 16:58:37,525 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:37" (1/1) ... [2020-10-28 16:58:37,540 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:58:37,542 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:58:37,542 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:58:37,542 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:58:37,543 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:37" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:58:37,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:58:37,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:58:37,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:58:37,657 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:58:37,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:58:37,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:58:37,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:58:37,657 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:58:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:58:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:58:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:58:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-10-28 16:58:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:58:37,658 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:58:37,659 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:58:37,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:58:37,659 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:58:37,659 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:58:37,659 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:58:37,659 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:58:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:58:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-28 16:58:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:58:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:58:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:58:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:58:37,660 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:58:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:58:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:58:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:58:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:58:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:58:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:58:37,661 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:58:37,662 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:58:37,662 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:58:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:58:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:58:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:58:37,662 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:58:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:58:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:58:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:58:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:58:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:58:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:58:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:58:37,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:58:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:58:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:58:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:58:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:58:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:58:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:58:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:58:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:58:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:58:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:58:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:58:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:58:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-10-28 16:58:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:58:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:58:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:58:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:58:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:58:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:58:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:58:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:58:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:58:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:58:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:58:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:58:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-28 16:58:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:58:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:58:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:58:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:58:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:58:37,668 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:58:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:58:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:58:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:58:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:58:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:58:37,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:58:39,231 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:58:39,232 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:58:39,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:58:39 BoogieIcfgContainer [2020-10-28 16:58:39,234 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:58:39,236 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:58:39,237 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:58:39,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:58:39,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:58:36" (1/3) ... [2020-10-28 16:58:39,242 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4cf8ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:58:39, skipping insertion in model container [2020-10-28 16:58:39,242 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:58:37" (2/3) ... [2020-10-28 16:58:39,243 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c4cf8ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:58:39, skipping insertion in model container [2020-10-28 16:58:39,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:58:39" (3/3) ... [2020-10-28 16:58:39,264 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product09.cil.c [2020-10-28 16:58:39,278 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:58:39,285 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:58:39,300 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:58:39,331 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:58:39,331 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:58:39,331 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:58:39,332 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:58:39,332 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:58:39,332 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:58:39,332 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:58:39,332 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:58:39,357 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states. [2020-10-28 16:58:39,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-28 16:58:39,367 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:58:39,368 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:58:39,369 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:58:39,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:58:39,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1148157794, now seen corresponding path program 1 times [2020-10-28 16:58:39,392 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:58:39,392 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [362896763] [2020-10-28 16:58:39,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:58:39,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:39,805 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:39,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:40,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:41,968 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:42,069 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:44,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:44,742 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 79 [2020-10-28 16:58:44,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:58:44,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5012 [2020-10-28 16:58:44,746 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:44,747 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:44,751 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:44,752 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 42 [2020-10-28 16:58:44,754 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:44,754 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 10 [2020-10-28 16:58:45,599 WARN L193 SmtUtils]: Spent 750.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:58:45,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:58:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:45,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:45,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:45,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:45,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:45,686 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 49 [2020-10-28 16:58:45,687 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:45,687 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:45,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:45,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:45,687 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:45,688 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:58:45,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:58:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:45,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:45,720 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:45,721 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:45,721 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:45,721 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:45,721 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:45,721 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:45,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:45,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:45,722 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:45,722 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:58:45,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:58:45,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:45,728 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:45,730 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:45,730 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:45,730 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:45,730 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:58:45,730 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:45,731 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:45,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:45,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:45,731 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:45,731 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:58:45,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:58:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:45,738 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:45,741 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:45,741 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:45,742 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:45,742 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:58:45,742 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:45,742 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:45,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:45,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:45,743 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:45,743 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:58:45,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:58:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:45,758 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:45,759 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:45,759 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:45,760 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:45,760 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:45,762 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:45,762 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:45,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:45,762 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:45,763 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:45,763 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:58:45,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-10-28 16:58:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:45,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:45,771 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:45,771 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:45,771 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:45,771 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:45,771 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:45,772 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:45,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:45,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:58:45,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:45,774 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-28 16:58:45,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-10-28 16:58:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:45,780 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:45,781 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:45,782 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:45,782 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:45,782 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:45,782 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:45,782 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:45,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:45,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:58:45,783 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:45,783 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:45,802 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:58:45,803 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [362896763] [2020-10-28 16:58:45,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:58:45,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-28 16:58:45,807 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142791987] [2020-10-28 16:58:45,814 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-28 16:58:45,814 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:58:45,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-28 16:58:45,831 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:58:45,833 INFO L87 Difference]: Start difference. First operand 128 states. Second operand 3 states. [2020-10-28 16:58:47,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:58:47,536 INFO L93 Difference]: Finished difference Result 204 states and 276 transitions. [2020-10-28 16:58:47,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-28 16:58:47,539 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-10-28 16:58:47,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:58:47,562 INFO L225 Difference]: With dead ends: 204 [2020-10-28 16:58:47,562 INFO L226 Difference]: Without dead ends: 110 [2020-10-28 16:58:47,566 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-28 16:58:47,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-28 16:58:47,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 82. [2020-10-28 16:58:47,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-28 16:58:47,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 95 transitions. [2020-10-28 16:58:47,671 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 95 transitions. Word has length 47 [2020-10-28 16:58:47,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:58:47,672 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 95 transitions. [2020-10-28 16:58:47,672 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-28 16:58:47,672 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 95 transitions. [2020-10-28 16:58:47,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-28 16:58:47,675 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:58:47,676 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:58:47,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:58:47,676 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:58:47,677 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:58:47,677 INFO L82 PathProgramCache]: Analyzing trace with hash -758999281, now seen corresponding path program 1 times [2020-10-28 16:58:47,677 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:58:47,678 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [674013111] [2020-10-28 16:58:47,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:58:47,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:47,732 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:47,773 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:47,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:49,344 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:49,419 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:52,066 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:52,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 80 [2020-10-28 16:58:52,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:58:52,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4354 [2020-10-28 16:58:52,067 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:52,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:52,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:52,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:58:52,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 48 [2020-10-28 16:58:52,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:52,758 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:58:52,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:58:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:52,814 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:52,877 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:52,878 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:52,878 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:52,878 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 73 [2020-10-28 16:58:52,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:52,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:52,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:52,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:52,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:58:52,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:52,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:58:52,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:52,899 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:52,900 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:52,900 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:52,901 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:52,901 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:58:52,901 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:52,901 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:52,901 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:52,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:52,902 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:58:52,902 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:52,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:58:52,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:52,905 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:52,906 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:52,906 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:52,907 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:52,907 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:52,907 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:52,907 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:52,907 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:52,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:52,908 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:58:52,908 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:52,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:58:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:52,912 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:52,913 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:52,914 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:52,914 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:52,914 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:58:52,914 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:52,914 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:52,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:52,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:52,915 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:58:52,915 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:52,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:58:52,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:52,918 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:52,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:52,920 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:58:52,920 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:52,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:52,921 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:52,921 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:52,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:52,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:58:52,921 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:58:52,922 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:58:52,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-28 16:58:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:52,925 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:52,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:52,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:52,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:52,926 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:52,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:52,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:52,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:52,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:58:52,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:52,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:52,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-10-28 16:58:52,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:52,931 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:52,932 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:52,932 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:58:52,932 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:58:52,932 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:58:52,933 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:52,933 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:52,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:58:52,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:58:52,933 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:58:52,934 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:58:52,943 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:58:52,944 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [674013111] [2020-10-28 16:58:52,944 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:58:52,944 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:58:52,945 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824367663] [2020-10-28 16:58:52,946 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:58:52,947 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:58:52,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:58:52,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:58:52,948 INFO L87 Difference]: Start difference. First operand 82 states and 95 transitions. Second operand 4 states. [2020-10-28 16:58:53,732 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:58:54,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:58:54,981 INFO L93 Difference]: Finished difference Result 168 states and 216 transitions. [2020-10-28 16:58:54,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:58:54,983 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 48 [2020-10-28 16:58:54,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:58:54,988 INFO L225 Difference]: With dead ends: 168 [2020-10-28 16:58:54,988 INFO L226 Difference]: Without dead ends: 110 [2020-10-28 16:58:54,991 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:58:54,991 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2020-10-28 16:58:55,032 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 82. [2020-10-28 16:58:55,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 82 states. [2020-10-28 16:58:55,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 94 transitions. [2020-10-28 16:58:55,034 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 94 transitions. Word has length 48 [2020-10-28 16:58:55,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:58:55,034 INFO L481 AbstractCegarLoop]: Abstraction has 82 states and 94 transitions. [2020-10-28 16:58:55,034 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:58:55,034 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 94 transitions. [2020-10-28 16:58:55,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-28 16:58:55,036 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:58:55,036 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] [2020-10-28 16:58:55,037 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:58:55,037 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:58:55,037 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:58:55,038 INFO L82 PathProgramCache]: Analyzing trace with hash -225828844, now seen corresponding path program 1 times [2020-10-28 16:58:55,038 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:58:55,038 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [653911312] [2020-10-28 16:58:55,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:58:55,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:58:55,081 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:55,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:56,359 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:56,511 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:58:59,863 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:58:59,863 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-10-28 16:58:59,863 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-28 16:58:59,864 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4797 [2020-10-28 16:58:59,864 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:58:59,864 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:58:59,864 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:58:59,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:58:59,865 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:58:59,865 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:59:00,582 WARN L193 SmtUtils]: Spent 646.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:59:00,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:59:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:00,594 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:00,621 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:00,621 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:00,621 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:00,622 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-10-28 16:59:00,622 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:00,622 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:00,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:00,622 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:00,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:00,623 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:59:00,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:59:00,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:00,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:00,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:00,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:00,641 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:00,641 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:00,641 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:00,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:00,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:00,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:00,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:00,642 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:00,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:59:00,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:00,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:00,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:00,649 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:00,649 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:00,650 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:59:00,650 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:00,650 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:00,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:00,650 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:00,651 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:00,651 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:00,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:59:00,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:00,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:00,655 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:00,656 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:00,656 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:00,656 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:59:00,656 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:00,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:00,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:00,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:00,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:00,657 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:59:00,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:59:00,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:00,663 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:00,664 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:00,665 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:00,665 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:00,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:59:00,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:00,665 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:00,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:00,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:00,666 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:00,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:59:00,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-28 16:59:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:00,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:00,670 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:00,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:00,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:00,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:00,672 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:00,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:00,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:00,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-28 16:59:00,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:00,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:00,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:59:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:00,677 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:00,678 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:00,678 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:00,679 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:00,679 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:00,679 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:00,679 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:00,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:00,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:59:00,680 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:00,680 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:00,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:59:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:00,683 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:00,684 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:00,684 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:00,684 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:00,684 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:00,685 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:00,685 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:00,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:59:00,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:59:00,685 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:59:00,685 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:00,695 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:59:00,697 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [653911312] [2020-10-28 16:59:00,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:59:00,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:59:00,698 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858370565] [2020-10-28 16:59:00,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:59:00,699 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:59:00,700 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:59:00,700 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:59:00,700 INFO L87 Difference]: Start difference. First operand 82 states and 94 transitions. Second operand 4 states. [2020-10-28 16:59:01,741 WARN L193 SmtUtils]: Spent 684.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:59:02,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:59:02,662 INFO L93 Difference]: Finished difference Result 134 states and 160 transitions. [2020-10-28 16:59:02,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-28 16:59:02,665 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-10-28 16:59:02,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:59:02,667 INFO L225 Difference]: With dead ends: 134 [2020-10-28 16:59:02,667 INFO L226 Difference]: Without dead ends: 94 [2020-10-28 16:59:02,668 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:59:02,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-10-28 16:59:02,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 73. [2020-10-28 16:59:02,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 73 states. [2020-10-28 16:59:02,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 82 transitions. [2020-10-28 16:59:02,696 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 82 transitions. Word has length 51 [2020-10-28 16:59:02,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:59:02,697 INFO L481 AbstractCegarLoop]: Abstraction has 73 states and 82 transitions. [2020-10-28 16:59:02,697 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:59:02,697 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 82 transitions. [2020-10-28 16:59:02,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-10-28 16:59:02,698 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:59:02,699 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] [2020-10-28 16:59:02,699 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:59:02,699 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:59:02,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:59:02,700 INFO L82 PathProgramCache]: Analyzing trace with hash 7899010, now seen corresponding path program 1 times [2020-10-28 16:59:02,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:59:02,700 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [810061185] [2020-10-28 16:59:02,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:59:02,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:02,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:03,121 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:03,290 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:04,776 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:04,776 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 16:59:04,776 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-28 16:59:04,777 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2050 [2020-10-28 16:59:04,777 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:04,777 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:04,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-28 16:59:04,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:59:04,777 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-10-28 16:59:04,778 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:05,518 WARN L193 SmtUtils]: Spent 644.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:59:05,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:59:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:05,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:05,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:05,603 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:05,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:05,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 65 [2020-10-28 16:59:05,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:05,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:05,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:59:05,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:05,605 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:59:05,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:05,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:59:05,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:05,621 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:05,622 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:05,623 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:05,623 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:05,623 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:05,623 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:05,623 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:05,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:59:05,623 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:05,624 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:59:05,624 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:05,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:59:05,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:05,627 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:05,628 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:05,628 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:05,628 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:05,629 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:05,629 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:05,629 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:05,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:59:05,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:05,629 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:59:05,629 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:05,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:59:05,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:05,632 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:05,634 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:05,634 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:05,634 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:05,635 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-28 16:59:05,635 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:05,635 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:05,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:59:05,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:05,635 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:59:05,636 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:05,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:59:05,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:05,638 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:05,639 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:05,640 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:05,640 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:05,640 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:05,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:05,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:05,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:59:05,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:05,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:59:05,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:05,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2020-10-28 16:59:05,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:05,644 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:05,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:05,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:59:05,645 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:05,645 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:05,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:05,646 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:05,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:59:05,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:05,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:59:05,646 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:05,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-28 16:59:05,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:05,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:05,651 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:05,651 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:05,651 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:05,651 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:59:05,652 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:05,652 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:05,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:59:05,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:05,652 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:59:05,652 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:05,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-10-28 16:59:05,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:59:05,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:59:05,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:59:05,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:59:05,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:59:05,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:59:05,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:59:05,659 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:59:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 4 [2020-10-28 16:59:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:59:05,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:59:05,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:59:05,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-28 16:59:05,696 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [810061185] [2020-10-28 16:59:05,697 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:59:05,697 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-28 16:59:05,697 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1799847910] [2020-10-28 16:59:05,698 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-28 16:59:05,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:59:05,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-28 16:59:05,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-10-28 16:59:05,699 INFO L87 Difference]: Start difference. First operand 73 states and 82 transitions. Second operand 7 states. [2020-10-28 16:59:06,589 WARN L193 SmtUtils]: Spent 713.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-28 16:59:08,289 WARN L193 SmtUtils]: Spent 777.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:59:09,177 WARN L193 SmtUtils]: Spent 764.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:59:09,944 WARN L193 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:59:10,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:59:10,176 INFO L93 Difference]: Finished difference Result 130 states and 158 transitions. [2020-10-28 16:59:10,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-28 16:59:10,177 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 55 [2020-10-28 16:59:10,178 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:59:10,178 INFO L225 Difference]: With dead ends: 130 [2020-10-28 16:59:10,178 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:59:10,180 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 3.7s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:59:10,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:59:10,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:59:10,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:59:10,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:59:10,181 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 55 [2020-10-28 16:59:10,181 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:59:10,182 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:59:10,182 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-28 16:59:10,182 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:59:10,182 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:59:10,182 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:59:10,184 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:59:10,292 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-28 16:59:12,125 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-10-28 16:59:12,749 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-10-28 16:59:13,524 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-10-28 16:59:14,137 WARN L193 SmtUtils]: Spent 610.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 12 [2020-10-28 16:59:14,762 WARN L193 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-10-28 16:59:15,358 WARN L193 SmtUtils]: Spent 591.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-10-28 16:59:15,969 WARN L193 SmtUtils]: Spent 608.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-10-28 16:59:16,579 WARN L193 SmtUtils]: Spent 607.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 12 [2020-10-28 16:59:17,278 WARN L193 SmtUtils]: Spent 697.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-28 16:59:17,894 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-10-28 16:59:18,522 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-10-28 16:59:19,150 WARN L193 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 12 [2020-10-28 16:59:19,806 WARN L193 SmtUtils]: Spent 604.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 12 [2020-10-28 16:59:20,529 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 12 [2020-10-28 16:59:20,573 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:59:20,573 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:59:20,573 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:59:20,573 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:59:20,574 INFO L274 CegarLoopResult]: For program point L125(lines 125 129) no Hoare annotation was computed. [2020-10-28 16:59:20,574 INFO L274 CegarLoopResult]: For program point L125-1(lines 125 129) no Hoare annotation was computed. [2020-10-28 16:59:20,574 INFO L274 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-10-28 16:59:20,575 INFO L274 CegarLoopResult]: For program point L119-2(lines 119 140) no Hoare annotation was computed. [2020-10-28 16:59:20,575 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 94 149) no Hoare annotation was computed. [2020-10-28 16:59:20,575 INFO L274 CegarLoopResult]: For program point L141(lines 118 142) no Hoare annotation was computed. [2020-10-28 16:59:20,575 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 94 149) no Hoare annotation was computed. [2020-10-28 16:59:20,576 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 94 149) no Hoare annotation was computed. [2020-10-28 16:59:20,576 INFO L274 CegarLoopResult]: For program point L182(lines 182 186) no Hoare annotation was computed. [2020-10-28 16:59:20,576 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 150 209) no Hoare annotation was computed. [2020-10-28 16:59:20,576 INFO L274 CegarLoopResult]: For program point L182-1(lines 182 186) no Hoare annotation was computed. [2020-10-28 16:59:20,576 INFO L274 CegarLoopResult]: For program point L177(line 177) no Hoare annotation was computed. [2020-10-28 16:59:20,576 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 150 209) no Hoare annotation was computed. [2020-10-28 16:59:20,576 INFO L274 CegarLoopResult]: For program point L176-2(lines 176 201) no Hoare annotation was computed. [2020-10-28 16:59:20,576 INFO L274 CegarLoopResult]: For program point L202(lines 175 203) no Hoare annotation was computed. [2020-10-28 16:59:20,576 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 150 209) no Hoare annotation was computed. [2020-10-28 16:59:20,577 INFO L274 CegarLoopResult]: For program point L195(line 195) no Hoare annotation was computed. [2020-10-28 16:59:20,577 INFO L274 CegarLoopResult]: For program point L195-1(line 195) no Hoare annotation was computed. [2020-10-28 16:59:20,577 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 746 752) the Hoare annotation is: true [2020-10-28 16:59:20,577 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 746 752) no Hoare annotation was computed. [2020-10-28 16:59:20,578 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 753 761) no Hoare annotation was computed. [2020-10-28 16:59:20,578 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 753 761) the Hoare annotation is: true [2020-10-28 16:59:20,578 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 753 761) no Hoare annotation was computed. [2020-10-28 16:59:20,578 INFO L277 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 419 443) the Hoare annotation is: true [2020-10-28 16:59:20,579 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 419 443) no Hoare annotation was computed. [2020-10-28 16:59:20,579 INFO L270 CegarLoopResult]: At program point L433(line 433) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-10-28 16:59:20,579 INFO L274 CegarLoopResult]: For program point L431(lines 431 437) no Hoare annotation was computed. [2020-10-28 16:59:20,579 INFO L277 CegarLoopResult]: At program point L429(line 429) the Hoare annotation is: true [2020-10-28 16:59:20,579 INFO L274 CegarLoopResult]: For program point L429-1(line 429) no Hoare annotation was computed. [2020-10-28 16:59:20,579 INFO L274 CegarLoopResult]: For program point L427(lines 427 440) no Hoare annotation was computed. [2020-10-28 16:59:20,579 INFO L274 CegarLoopResult]: For program point L427-1(lines 419 443) no Hoare annotation was computed. [2020-10-28 16:59:20,581 INFO L277 CegarLoopResult]: At program point L425(line 425) the Hoare annotation is: true [2020-10-28 16:59:20,581 INFO L274 CegarLoopResult]: For program point L425-1(line 425) no Hoare annotation was computed. [2020-10-28 16:59:20,582 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 835 857) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-28 16:59:20,582 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 835 857) no Hoare annotation was computed. [2020-10-28 16:59:20,583 INFO L270 CegarLoopResult]: At program point L847(line 847) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-28 16:59:20,584 INFO L270 CegarLoopResult]: At program point L847-1(line 847) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-28 16:59:20,584 INFO L274 CegarLoopResult]: For program point L845(lines 845 852) no Hoare annotation was computed. [2020-10-28 16:59:20,584 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 835 857) no Hoare annotation was computed. [2020-10-28 16:59:20,584 INFO L274 CegarLoopResult]: For program point L845-1(lines 845 852) no Hoare annotation was computed. [2020-10-28 16:59:20,584 INFO L274 CegarLoopResult]: For program point L843(line 843) no Hoare annotation was computed. [2020-10-28 16:59:20,584 INFO L270 CegarLoopResult]: At program point L842(line 842) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-28 16:59:20,584 INFO L270 CegarLoopResult]: At program point L841(line 841) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-28 16:59:20,584 INFO L270 CegarLoopResult]: At program point L841-1(line 841) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-28 16:59:20,585 INFO L274 CegarLoopResult]: For program point L801(line 801) no Hoare annotation was computed. [2020-10-28 16:59:20,585 INFO L274 CegarLoopResult]: For program point L800(line 800) no Hoare annotation was computed. [2020-10-28 16:59:20,585 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 794 817) no Hoare annotation was computed. [2020-10-28 16:59:20,585 INFO L274 CegarLoopResult]: For program point L799(line 799) no Hoare annotation was computed. [2020-10-28 16:59:20,585 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 794 817) no Hoare annotation was computed. [2020-10-28 16:59:20,586 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 794 817) no Hoare annotation was computed. [2020-10-28 16:59:20,586 INFO L274 CegarLoopResult]: For program point L812(line 812) no Hoare annotation was computed. [2020-10-28 16:59:20,586 INFO L274 CegarLoopResult]: For program point L811(line 811) no Hoare annotation was computed. [2020-10-28 16:59:20,586 INFO L274 CegarLoopResult]: For program point L810(line 810) no Hoare annotation was computed. [2020-10-28 16:59:20,586 INFO L274 CegarLoopResult]: For program point L809(line 809) no Hoare annotation was computed. [2020-10-28 16:59:20,586 INFO L274 CegarLoopResult]: For program point L808(line 808) no Hoare annotation was computed. [2020-10-28 16:59:20,587 INFO L274 CegarLoopResult]: For program point L807(line 807) no Hoare annotation was computed. [2020-10-28 16:59:20,587 INFO L274 CegarLoopResult]: For program point L806(line 806) no Hoare annotation was computed. [2020-10-28 16:59:20,587 INFO L274 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-10-28 16:59:20,587 INFO L274 CegarLoopResult]: For program point L804(line 804) no Hoare annotation was computed. [2020-10-28 16:59:20,587 INFO L274 CegarLoopResult]: For program point L803(line 803) no Hoare annotation was computed. [2020-10-28 16:59:20,587 INFO L274 CegarLoopResult]: For program point L802(line 802) no Hoare annotation was computed. [2020-10-28 16:59:20,587 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 634 641) no Hoare annotation was computed. [2020-10-28 16:59:20,587 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 634 641) no Hoare annotation was computed. [2020-10-28 16:59:20,587 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 634 641) no Hoare annotation was computed. [2020-10-28 16:59:20,587 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 679 687) no Hoare annotation was computed. [2020-10-28 16:59:20,588 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 679 687) the Hoare annotation is: true [2020-10-28 16:59:20,588 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 679 687) no Hoare annotation was computed. [2020-10-28 16:59:20,588 INFO L274 CegarLoopResult]: For program point L707-2(lines 707 715) no Hoare annotation was computed. [2020-10-28 16:59:20,588 INFO L274 CegarLoopResult]: For program point L695(lines 695 703) no Hoare annotation was computed. [2020-10-28 16:59:20,588 INFO L274 CegarLoopResult]: For program point L695-2(lines 695 703) no Hoare annotation was computed. [2020-10-28 16:59:20,588 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 688 723) no Hoare annotation was computed. [2020-10-28 16:59:20,588 INFO L274 CegarLoopResult]: For program point L718(line 718) no Hoare annotation was computed. [2020-10-28 16:59:20,588 INFO L274 CegarLoopResult]: For program point L718-1(line 718) no Hoare annotation was computed. [2020-10-28 16:59:20,588 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 688 723) no Hoare annotation was computed. [2020-10-28 16:59:20,588 INFO L274 CegarLoopResult]: For program point L707(lines 707 715) no Hoare annotation was computed. [2020-10-28 16:59:20,589 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 688 723) no Hoare annotation was computed. [2020-10-28 16:59:20,589 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 739 745) no Hoare annotation was computed. [2020-10-28 16:59:20,589 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 739 745) the Hoare annotation is: true [2020-10-28 16:59:20,589 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 48 93) no Hoare annotation was computed. [2020-10-28 16:59:20,589 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 48 93) no Hoare annotation was computed. [2020-10-28 16:59:20,589 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 48 93) no Hoare annotation was computed. [2020-10-28 16:59:20,589 INFO L274 CegarLoopResult]: For program point L385(lines 385 386) no Hoare annotation was computed. [2020-10-28 16:59:20,589 INFO L274 CegarLoopResult]: For program point L381(lines 381 388) no Hoare annotation was computed. [2020-10-28 16:59:20,589 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 361 406) no Hoare annotation was computed. [2020-10-28 16:59:20,590 INFO L274 CegarLoopResult]: For program point L375(lines 375 395) no Hoare annotation was computed. [2020-10-28 16:59:20,590 INFO L274 CegarLoopResult]: For program point L375-1(lines 375 395) no Hoare annotation was computed. [2020-10-28 16:59:20,590 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 385 386) no Hoare annotation was computed. [2020-10-28 16:59:20,590 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 392 393) no Hoare annotation was computed. [2020-10-28 16:59:20,590 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 361 406) no Hoare annotation was computed. [2020-10-28 16:59:20,590 INFO L274 CegarLoopResult]: For program point L392(lines 392 393) no Hoare annotation was computed. [2020-10-28 16:59:20,590 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 361 406) no Hoare annotation was computed. [2020-10-28 16:59:20,590 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 825 834) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-28 16:59:20,591 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 825 834) no Hoare annotation was computed. [2020-10-28 16:59:20,591 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 825 834) no Hoare annotation was computed. [2020-10-28 16:59:20,592 INFO L274 CegarLoopResult]: For program point L673(line 673) no Hoare annotation was computed. [2020-10-28 16:59:20,592 INFO L274 CegarLoopResult]: For program point L673-1(line 673) no Hoare annotation was computed. [2020-10-28 16:59:20,592 INFO L274 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 668 678) no Hoare annotation was computed. [2020-10-28 16:59:20,592 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 668 678) no Hoare annotation was computed. [2020-10-28 16:59:20,592 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 668 678) no Hoare annotation was computed. [2020-10-28 16:59:20,592 INFO L274 CegarLoopResult]: For program point deactivatePumpENTRY(lines 660 667) no Hoare annotation was computed. [2020-10-28 16:59:20,592 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 660 667) no Hoare annotation was computed. [2020-10-28 16:59:20,592 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 660 667) no Hoare annotation was computed. [2020-10-28 16:59:20,593 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 627 633) no Hoare annotation was computed. [2020-10-28 16:59:20,593 INFO L277 CegarLoopResult]: At program point processEnvironmentFINAL(lines 627 633) the Hoare annotation is: true [2020-10-28 16:59:20,593 INFO L270 CegarLoopResult]: At program point L578-2(lines 572 583) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0))) [2020-10-28 16:59:20,593 INFO L270 CegarLoopResult]: At program point testENTRY(lines 532 595) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= ~pumpRunning~0 0))) [2020-10-28 16:59:20,593 INFO L274 CegarLoopResult]: For program point L543(lines 542 587) no Hoare annotation was computed. [2020-10-28 16:59:20,593 INFO L274 CegarLoopResult]: For program point L572(lines 572 583) no Hoare annotation was computed. [2020-10-28 16:59:20,593 INFO L274 CegarLoopResult]: For program point testFINAL(lines 532 595) no Hoare annotation was computed. [2020-10-28 16:59:20,593 INFO L270 CegarLoopResult]: At program point L564(line 564) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0))) [2020-10-28 16:59:20,594 INFO L274 CegarLoopResult]: For program point L562(lines 562 568) no Hoare annotation was computed. [2020-10-28 16:59:20,594 INFO L274 CegarLoopResult]: For program point L562-1(lines 562 568) no Hoare annotation was computed. [2020-10-28 16:59:20,594 INFO L270 CegarLoopResult]: At program point L554(line 554) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0))) [2020-10-28 16:59:20,594 INFO L270 CegarLoopResult]: At program point L585(lines 542 587) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= test_~splverifierCounter~0 0) (not (= ~pumpRunning~0 0))) [2020-10-28 16:59:20,594 INFO L274 CegarLoopResult]: For program point L552(lines 552 558) no Hoare annotation was computed. [2020-10-28 16:59:20,594 INFO L274 CegarLoopResult]: For program point L552-1(lines 552 558) no Hoare annotation was computed. [2020-10-28 16:59:20,594 INFO L274 CegarLoopResult]: For program point L544(lines 544 548) no Hoare annotation was computed. [2020-10-28 16:59:20,594 INFO L270 CegarLoopResult]: At program point L588(lines 541 589) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-10-28 16:59:20,594 INFO L274 CegarLoopResult]: For program point testEXIT(lines 532 595) no Hoare annotation was computed. [2020-10-28 16:59:20,595 INFO L274 CegarLoopResult]: For program point L578(lines 578 582) no Hoare annotation was computed. [2020-10-28 16:59:20,595 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 339 340) no Hoare annotation was computed. [2020-10-28 16:59:20,595 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 346 347) no Hoare annotation was computed. [2020-10-28 16:59:20,595 INFO L274 CegarLoopResult]: For program point L346(lines 346 347) no Hoare annotation was computed. [2020-10-28 16:59:20,595 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 315 360) no Hoare annotation was computed. [2020-10-28 16:59:20,595 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 315 360) no Hoare annotation was computed. [2020-10-28 16:59:20,595 INFO L274 CegarLoopResult]: For program point L339(lines 339 340) no Hoare annotation was computed. [2020-10-28 16:59:20,595 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 315 360) no Hoare annotation was computed. [2020-10-28 16:59:20,596 INFO L274 CegarLoopResult]: For program point L335(lines 335 342) no Hoare annotation was computed. [2020-10-28 16:59:20,596 INFO L274 CegarLoopResult]: For program point L329(lines 329 349) no Hoare annotation was computed. [2020-10-28 16:59:20,596 INFO L274 CegarLoopResult]: For program point L329-1(lines 329 349) no Hoare annotation was computed. [2020-10-28 16:59:20,596 INFO L274 CegarLoopResult]: For program point L505(lines 505 513) no Hoare annotation was computed. [2020-10-28 16:59:20,596 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 497 519) no Hoare annotation was computed. [2020-10-28 16:59:20,596 INFO L274 CegarLoopResult]: For program point L505-2(lines 505 513) no Hoare annotation was computed. [2020-10-28 16:59:20,596 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 497 519) no Hoare annotation was computed. [2020-10-28 16:59:20,596 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 497 519) no Hoare annotation was computed. [2020-10-28 16:59:20,596 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 212 314) no Hoare annotation was computed. [2020-10-28 16:59:20,596 INFO L274 CegarLoopResult]: For program point L277(line 277) no Hoare annotation was computed. [2020-10-28 16:59:20,597 INFO L274 CegarLoopResult]: For program point L277-1(line 277) no Hoare annotation was computed. [2020-10-28 16:59:20,597 INFO L274 CegarLoopResult]: For program point L236(lines 236 240) no Hoare annotation was computed. [2020-10-28 16:59:20,597 INFO L274 CegarLoopResult]: For program point L300(lines 300 311) no Hoare annotation was computed. [2020-10-28 16:59:20,597 INFO L274 CegarLoopResult]: For program point L263(lines 263 267) no Hoare annotation was computed. [2020-10-28 16:59:20,597 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 212 314) no Hoare annotation was computed. [2020-10-28 16:59:20,597 INFO L274 CegarLoopResult]: For program point L261-2(lines 261 281) no Hoare annotation was computed. [2020-10-28 16:59:20,597 INFO L274 CegarLoopResult]: For program point L282(lines 260 283) no Hoare annotation was computed. [2020-10-28 16:59:20,597 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 212 314) no Hoare annotation was computed. [2020-10-28 16:59:20,597 INFO L274 CegarLoopResult]: For program point L241(lines 241 257) no Hoare annotation was computed. [2020-10-28 16:59:20,598 INFO L274 CegarLoopResult]: For program point L301(lines 301 308) no Hoare annotation was computed. [2020-10-28 16:59:20,598 INFO L274 CegarLoopResult]: For program point L262(lines 261 281) no Hoare annotation was computed. [2020-10-28 16:59:20,598 INFO L274 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-10-28 16:59:20,598 INFO L274 CegarLoopResult]: For program point L293-1(line 293) no Hoare annotation was computed. [2020-10-28 16:59:20,598 INFO L274 CegarLoopResult]: For program point L258(lines 258 299) no Hoare annotation was computed. [2020-10-28 16:59:20,598 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 729 738) no Hoare annotation was computed. [2020-10-28 16:59:20,598 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 729 738) no Hoare annotation was computed. [2020-10-28 16:59:20,598 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 729 738) no Hoare annotation was computed. [2020-10-28 16:59:20,598 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:59:20,599 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string75.offset| |old(#t~string75.offset)|) (= |#t~string73.base| |old(#t~string73.base)|) (= |old(#valid)| |#valid|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string73.offset| |old(#t~string73.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string75.base| |old(#t~string75.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:59:20,599 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:59:20,599 INFO L274 CegarLoopResult]: For program point L654(line 654) no Hoare annotation was computed. [2020-10-28 16:59:20,599 INFO L274 CegarLoopResult]: For program point L654-1(lines 643 659) no Hoare annotation was computed. [2020-10-28 16:59:20,599 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 643 659) no Hoare annotation was computed. [2020-10-28 16:59:20,599 INFO L274 CegarLoopResult]: For program point L650(lines 650 656) no Hoare annotation was computed. [2020-10-28 16:59:20,599 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 643 659) no Hoare annotation was computed. [2020-10-28 16:59:20,600 INFO L274 CegarLoopResult]: For program point L648(line 648) no Hoare annotation was computed. [2020-10-28 16:59:20,600 INFO L274 CegarLoopResult]: For program point L648-1(line 648) no Hoare annotation was computed. [2020-10-28 16:59:20,600 INFO L277 CegarLoopResult]: At program point getWaterLevelENTRY(lines 520 528) the Hoare annotation is: true [2020-10-28 16:59:20,600 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 520 528) no Hoare annotation was computed. [2020-10-28 16:59:20,600 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 520 528) no Hoare annotation was computed. [2020-10-28 16:59:20,600 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:59:20,600 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:59:20,600 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:59:20,600 INFO L274 CegarLoopResult]: For program point L480-1(lines 476 487) no Hoare annotation was computed. [2020-10-28 16:59:20,601 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 476 487) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 16:59:20,601 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 476 487) no Hoare annotation was computed. [2020-10-28 16:59:20,601 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 488 496) no Hoare annotation was computed. [2020-10-28 16:59:20,601 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 488 496) no Hoare annotation was computed. [2020-10-28 16:59:20,601 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 488 496) no Hoare annotation was computed. [2020-10-28 16:59:20,602 INFO L270 CegarLoopResult]: At program point L609(line 609) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= ~pumpRunning~0 0))) [2020-10-28 16:59:20,602 INFO L274 CegarLoopResult]: For program point L607(lines 606 625) no Hoare annotation was computed. [2020-10-28 16:59:20,602 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 603 626) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-28 16:59:20,602 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 603 626) no Hoare annotation was computed. [2020-10-28 16:59:20,603 INFO L270 CegarLoopResult]: At program point L616(line 616) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-28 16:59:20,603 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 603 626) no Hoare annotation was computed. [2020-10-28 16:59:20,603 INFO L270 CegarLoopResult]: At program point L614(lines 614 620) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-28 16:59:20,603 INFO L274 CegarLoopResult]: For program point L770-1(line 770) no Hoare annotation was computed. [2020-10-28 16:59:20,603 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 764 793) no Hoare annotation was computed. [2020-10-28 16:59:20,603 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 764 793) the Hoare annotation is: true [2020-10-28 16:59:20,603 INFO L277 CegarLoopResult]: At program point L789(lines 764 793) the Hoare annotation is: true [2020-10-28 16:59:20,603 INFO L274 CegarLoopResult]: For program point L785(line 785) no Hoare annotation was computed. [2020-10-28 16:59:20,603 INFO L274 CegarLoopResult]: For program point L778(lines 778 782) no Hoare annotation was computed. [2020-10-28 16:59:20,604 INFO L277 CegarLoopResult]: At program point L778-1(lines 778 782) the Hoare annotation is: true [2020-10-28 16:59:20,604 INFO L274 CegarLoopResult]: For program point L775(line 775) no Hoare annotation was computed. [2020-10-28 16:59:20,604 INFO L277 CegarLoopResult]: At program point L774-2(lines 774 788) the Hoare annotation is: true [2020-10-28 16:59:20,604 INFO L277 CegarLoopResult]: At program point L770(line 770) the Hoare annotation is: true [2020-10-28 16:59:20,604 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 452 463) the Hoare annotation is: true [2020-10-28 16:59:20,604 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 452 463) no Hoare annotation was computed. [2020-10-28 16:59:20,604 INFO L274 CegarLoopResult]: For program point L456-1(lines 452 463) no Hoare annotation was computed. [2020-10-28 16:59:20,604 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 818 824) no Hoare annotation was computed. [2020-10-28 16:59:20,604 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 818 824) the Hoare annotation is: true [2020-10-28 16:59:20,604 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:59:20,605 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-10-28 16:59:20,605 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:59:20,605 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:59:20,605 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 464 475) no Hoare annotation was computed. [2020-10-28 16:59:20,605 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 464 475) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-28 16:59:20,605 INFO L274 CegarLoopResult]: For program point L468-1(lines 464 475) no Hoare annotation was computed. [2020-10-28 16:59:20,605 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 408 415) no Hoare annotation was computed. [2020-10-28 16:59:20,606 INFO L274 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-10-28 16:59:20,607 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 408 415) the Hoare annotation is: true [2020-10-28 16:59:20,607 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 408 415) no Hoare annotation was computed. [2020-10-28 16:59:20,630 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:59:20 BoogieIcfgContainer [2020-10-28 16:59:20,630 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:59:20,632 INFO L168 Benchmark]: Toolchain (without parser) took 43888.42 ms. Allocated memory was 151.0 MB in the beginning and 625.0 MB in the end (delta: 474.0 MB). Free memory was 125.0 MB in the beginning and 358.3 MB in the end (delta: -233.3 MB). Peak memory consumption was 372.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:59:20,633 INFO L168 Benchmark]: CDTParser took 0.76 ms. Allocated memory is still 151.0 MB. Free memory is still 124.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:59:20,636 INFO L168 Benchmark]: CACSL2BoogieTranslator took 608.82 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 104.0 MB in the end (delta: 20.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. [2020-10-28 16:59:20,644 INFO L168 Benchmark]: Boogie Preprocessor took 180.14 ms. Allocated memory is still 151.0 MB. Free memory was 104.0 MB in the beginning and 100.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:59:20,645 INFO L168 Benchmark]: RCFGBuilder took 1692.86 ms. Allocated memory is still 151.0 MB. Free memory was 100.2 MB in the beginning and 48.9 MB in the end (delta: 51.4 MB). Peak memory consumption was 52.1 MB. Max. memory is 8.0 GB. [2020-10-28 16:59:20,646 INFO L168 Benchmark]: TraceAbstraction took 41393.55 ms. Allocated memory was 151.0 MB in the beginning and 625.0 MB in the end (delta: 474.0 MB). Free memory was 48.3 MB in the beginning and 358.3 MB in the end (delta: -310.0 MB). Peak memory consumption was 294.7 MB. Max. memory is 8.0 GB. [2020-10-28 16:59:20,656 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.76 ms. Allocated memory is still 151.0 MB. Free memory is still 124.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 608.82 ms. Allocated memory is still 151.0 MB. Free memory was 124.3 MB in the beginning and 104.0 MB in the end (delta: 20.3 MB). Peak memory consumption was 19.9 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 180.14 ms. Allocated memory is still 151.0 MB. Free memory was 104.0 MB in the beginning and 100.2 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1692.86 ms. Allocated memory is still 151.0 MB. Free memory was 100.2 MB in the beginning and 48.9 MB in the end (delta: 51.4 MB). Peak memory consumption was 52.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 41393.55 ms. Allocated memory was 151.0 MB in the beginning and 625.0 MB in the end (delta: 474.0 MB). Free memory was 48.3 MB in the beginning and 358.3 MB in the end (delta: -310.0 MB). Peak memory consumption was 294.7 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 3]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 346]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 339]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 385]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 392]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold - InvariantResult [Line: 542]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || splverifierCounter <= 0) || !(pumpRunning == 0) - InvariantResult [Line: 541]: Loop Invariant Derived loop invariant: !(1 <= systemActive) || !(pumpRunning == 0) - InvariantResult [Line: 774]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 764]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 213 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 30.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 10.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 283 SDtfs, 330 SDslu, 86 SDs, 0 SdLazy, 498 SolverSat, 175 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 79 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 7.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=128occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 77 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 41 LocationsWithAnnotation, 136 PreInvPairs, 152 NumberOfFragments, 491 HoareAnnotationTreeSize, 136 FomulaSimplifications, 8292 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 41 FomulaSimplificationsInter, 4821 FormulaSimplificationTreeSizeReductionInter, 8.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 19.8s InterpolantComputationTime, 201 NumberOfCodeBlocks, 201 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 197 ConstructedInterpolants, 0 QuantifiedInterpolants, 55198 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 correct! Received shutdown request...