/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf language data_model -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-0f64333 [2020-10-28 16:45:38,526 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-28 16:45:38,528 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-28 16:45:38,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-28 16:45:38,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-28 16:45:38,577 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-28 16:45:38,579 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-28 16:45:38,581 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-28 16:45:38,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-28 16:45:38,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-28 16:45:38,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-28 16:45:38,587 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-28 16:45:38,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-28 16:45:38,589 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-28 16:45:38,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-28 16:45:38,591 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-28 16:45:38,592 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-28 16:45:38,593 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-28 16:45:38,595 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-28 16:45:38,610 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-28 16:45:38,612 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-28 16:45:38,614 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-28 16:45:38,615 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-28 16:45:38,616 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-28 16:45:38,619 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-28 16:45:38,620 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-28 16:45:38,620 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-28 16:45:38,621 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-28 16:45:38,622 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-28 16:45:38,623 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-28 16:45:38,623 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-28 16:45:38,624 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-28 16:45:38,625 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-28 16:45:38,626 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-28 16:45:38,627 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-28 16:45:38,627 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-28 16:45:38,628 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-28 16:45:38,629 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-28 16:45:38,629 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-28 16:45:38,630 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-28 16:45:38,631 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-28 16:45:38,632 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 16:45:38,658 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-28 16:45:38,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-28 16:45:38,660 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-28 16:45:38,661 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-28 16:45:38,661 INFO L138 SettingsManager]: * Use SBE=true [2020-10-28 16:45:38,661 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-28 16:45:38,661 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-28 16:45:38,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-28 16:45:38,662 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-28 16:45:38,662 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-28 16:45:38,662 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-28 16:45:38,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-28 16:45:38,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-28 16:45:38,663 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-28 16:45:38,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-28 16:45:38,664 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-28 16:45:38,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-28 16:45:38,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-28 16:45:38,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-28 16:45:38,665 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-28 16:45:38,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-28 16:45:38,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-28 16:45:38,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-28 16:45:38,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-28 16:45:38,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-28 16:45:38,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-28 16:45:38,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-28 16:45:38,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-28 16:45:38,667 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-28 16:45:38,667 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true;unknown-allowed=true; [2020-10-28 16:45:39,072 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-28 16:45:39,096 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-28 16:45:39,099 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-28 16:45:39,100 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-28 16:45:39,101 INFO L275 PluginConnector]: CDTParser initialized [2020-10-28 16:45:39,102 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c [2020-10-28 16:45:39,171 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3498ded16/9c1856cf2bce42fa87466ac20d6b9864/FLAG6a217f7c8 [2020-10-28 16:45:39,857 INFO L306 CDTParser]: Found 1 translation units. [2020-10-28 16:45:39,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product16.cil.c [2020-10-28 16:45:39,883 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3498ded16/9c1856cf2bce42fa87466ac20d6b9864/FLAG6a217f7c8 [2020-10-28 16:45:40,149 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3498ded16/9c1856cf2bce42fa87466ac20d6b9864 [2020-10-28 16:45:40,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-28 16:45:40,164 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-28 16:45:40,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-28 16:45:40,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-28 16:45:40,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-28 16:45:40,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:45:40" (1/1) ... [2020-10-28 16:45:40,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28de548 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:40, skipping insertion in model container [2020-10-28 16:45:40,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 04:45:40" (1/1) ... [2020-10-28 16:45:40,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-28 16:45:40,254 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-28 16:45:40,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:45:40,647 INFO L203 MainTranslator]: Completed pre-run [2020-10-28 16:45:40,722 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-28 16:45:40,759 INFO L208 MainTranslator]: Completed translation [2020-10-28 16:45:40,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:40 WrapperNode [2020-10-28 16:45:40,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-28 16:45:40,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-28 16:45:40,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-28 16:45:40,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-28 16:45:40,774 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:40" (1/1) ... [2020-10-28 16:45:40,774 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:40" (1/1) ... [2020-10-28 16:45:40,792 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:40" (1/1) ... [2020-10-28 16:45:40,792 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:40" (1/1) ... [2020-10-28 16:45:40,820 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:40" (1/1) ... [2020-10-28 16:45:40,829 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:40" (1/1) ... [2020-10-28 16:45:40,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:40" (1/1) ... [2020-10-28 16:45:40,841 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-28 16:45:40,842 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-28 16:45:40,842 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-28 16:45:40,842 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-28 16:45:40,843 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:40" (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 16:45:40,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-28 16:45:40,929 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-28 16:45:40,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-28 16:45:40,930 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-28 16:45:40,931 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-28 16:45:40,931 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-28 16:45:40,931 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-28 16:45:40,932 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-28 16:45:40,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-28 16:45:40,932 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-28 16:45:40,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-28 16:45:40,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-28 16:45:40,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-28 16:45:40,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-28 16:45:40,934 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-28 16:45:40,935 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-28 16:45:40,936 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-28 16:45:40,936 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-28 16:45:40,936 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-28 16:45:40,936 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-28 16:45:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-28 16:45:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-28 16:45:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-28 16:45:40,937 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-28 16:45:40,938 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-28 16:45:40,938 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-28 16:45:40,943 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-28 16:45:40,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-10-28 16:45:40,944 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-28 16:45:40,944 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-10-28 16:45:40,944 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-28 16:45:40,944 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-28 16:45:40,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-28 16:45:40,945 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-28 16:45:40,945 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-28 16:45:40,946 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-10-28 16:45:40,946 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-28 16:45:40,946 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-28 16:45:40,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:45:40,946 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:45:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-28 16:45:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-28 16:45:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-28 16:45:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-28 16:45:40,947 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-28 16:45:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-28 16:45:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-28 16:45:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-28 16:45:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-28 16:45:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-28 16:45:40,948 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-28 16:45:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-28 16:45:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-28 16:45:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-28 16:45:40,949 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-28 16:45:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-28 16:45:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-28 16:45:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-28 16:45:40,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-28 16:45:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-28 16:45:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-28 16:45:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-28 16:45:40,951 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-28 16:45:40,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-28 16:45:40,952 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-28 16:45:40,952 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-28 16:45:40,952 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-28 16:45:40,952 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-28 16:45:40,952 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-28 16:45:40,953 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-28 16:45:40,953 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-28 16:45:40,953 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-28 16:45:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-28 16:45:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-28 16:45:40,955 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-28 16:45:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-28 16:45:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-28 16:45:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-10-28 16:45:40,956 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-28 16:45:40,957 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-28 16:45:40,957 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-28 16:45:40,957 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-28 16:45:40,958 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-28 16:45:40,958 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-28 16:45:40,958 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-10-28 16:45:40,958 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-28 16:45:40,958 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-10-28 16:45:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-28 16:45:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-10-28 16:45:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-28 16:45:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-10-28 16:45:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-28 16:45:40,959 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-28 16:45:40,960 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-28 16:45:41,985 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-28 16:45:41,986 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-28 16:45:41,988 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:45:41 BoogieIcfgContainer [2020-10-28 16:45:41,988 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-28 16:45:41,990 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-28 16:45:41,990 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-28 16:45:41,993 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-28 16:45:41,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 04:45:40" (1/3) ... [2020-10-28 16:45:41,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2d9158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:45:41, skipping insertion in model container [2020-10-28 16:45:41,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 04:45:40" (2/3) ... [2020-10-28 16:45:41,995 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c2d9158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 04:45:41, skipping insertion in model container [2020-10-28 16:45:41,995 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 04:45:41" (3/3) ... [2020-10-28 16:45:41,997 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2020-10-28 16:45:42,008 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-28 16:45:42,014 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-28 16:45:42,027 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-28 16:45:42,054 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-28 16:45:42,054 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-28 16:45:42,055 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-28 16:45:42,055 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-28 16:45:42,055 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-28 16:45:42,055 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-28 16:45:42,055 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-28 16:45:42,055 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-28 16:45:42,077 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-10-28 16:45:42,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-10-28 16:45:42,086 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:45:42,087 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:45:42,087 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 16:45:42,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:45:42,094 INFO L82 PathProgramCache]: Analyzing trace with hash -534404706, now seen corresponding path program 1 times [2020-10-28 16:45:42,120 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:45:42,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1687904406] [2020-10-28 16:45:42,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:45:42,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:42,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:42,591 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:43,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:44,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:45,058 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:47,393 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:47,394 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 86 [2020-10-28 16:45:47,394 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:45:47,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5039 [2020-10-28 16:45:47,398 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:47,399 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:47,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:47,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-28 16:45:47,399 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:47,407 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 11 [2020-10-28 16:45:47,771 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:45:47,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:45:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:47,794 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:47,855 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:47,856 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:47,856 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:47,856 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 64 [2020-10-28 16:45:47,856 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:47,857 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:47,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:47,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:47,857 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:47,857 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:47,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:45:47,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:47,883 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:47,888 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:47,888 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:47,888 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:47,888 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-28 16:45:47,888 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:47,889 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:47,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:47,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:47,889 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:47,889 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:47,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:45:47,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:47,894 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:47,895 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:47,895 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:47,895 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:47,895 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:47,895 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:47,896 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:47,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:47,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:47,896 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:47,896 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:47,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:45:47,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:47,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:47,903 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:47,903 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:47,903 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:47,903 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:47,903 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:47,904 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:47,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:47,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:47,904 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:47,904 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:47,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:45:47,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:47,917 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:47,918 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:47,919 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:47,919 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:47,920 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:47,920 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:47,920 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:47,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:47,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:47,920 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:47,921 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:47,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:45:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:47,932 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:47,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:47,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:47,934 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:47,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:45:47,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:47,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:47,934 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:47,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:47,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:47,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-28 16:45:47,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:47,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:47,942 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:47,942 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:47,942 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:47,942 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:47,943 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:47,943 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:47,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:47,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:47,943 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:47,943 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:47,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:45:47,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:47,947 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:47,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:47,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:47,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:47,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:47,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:47,949 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:47,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:47,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:47,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:47,951 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:47,967 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 16:45:47,967 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1687904406] [2020-10-28 16:45:47,970 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:45:47,970 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-28 16:45:47,971 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239684800] [2020-10-28 16:45:47,976 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-28 16:45:47,977 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:45:47,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-28 16:45:47,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:45:47,995 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 4 states. [2020-10-28 16:45:49,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:45:49,294 INFO L93 Difference]: Finished difference Result 266 states and 353 transitions. [2020-10-28 16:45:49,295 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-10-28 16:45:49,297 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 52 [2020-10-28 16:45:49,297 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:45:49,310 INFO L225 Difference]: With dead ends: 266 [2020-10-28 16:45:49,310 INFO L226 Difference]: Without dead ends: 149 [2020-10-28 16:45:49,314 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-10-28 16:45:49,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-10-28 16:45:49,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 115. [2020-10-28 16:45:49,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-10-28 16:45:49,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2020-10-28 16:45:49,421 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 52 [2020-10-28 16:45:49,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:45:49,421 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2020-10-28 16:45:49,421 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-28 16:45:49,422 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2020-10-28 16:45:49,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2020-10-28 16:45:49,425 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:45:49,425 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:45:49,425 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-28 16:45:49,426 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 16:45:49,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:45:49,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1827177329, now seen corresponding path program 1 times [2020-10-28 16:45:49,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:45:49,427 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [620516528] [2020-10-28 16:45:49,427 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:45:49,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:49,477 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:49,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:49,662 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:50,547 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:50,908 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:54,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:54,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:54,472 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 87 [2020-10-28 16:45:54,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:45:54,490 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5014 [2020-10-28 16:45:54,491 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:54,491 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:54,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:45:54,491 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 47 [2020-10-28 16:45:54,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-10-28 16:45:54,492 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-28 16:45:54,936 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:45:54,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:45:54,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:54,952 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:54,978 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:54,979 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:54,979 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:54,979 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-28 16:45:54,979 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:54,983 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:54,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:54,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:54,984 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:54,984 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 16:45:55,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:45:55,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:55,006 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:55,006 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:55,007 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:55,007 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:55,007 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:55,007 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:55,007 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:55,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:55,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:55,008 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:55,008 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:55,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:45:55,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:55,015 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:55,016 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:55,016 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:55,016 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:55,017 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:45:55,017 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:55,017 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:55,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:55,017 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:55,018 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:55,018 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:55,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:45:55,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:55,020 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:55,021 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:55,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:55,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:55,022 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:55,022 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:55,022 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:55,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:55,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:55,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:55,023 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:55,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:45:55,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:55,026 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:55,026 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:55,026 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:45:55,027 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:55,027 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:45:55,027 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:55,027 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:55,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:55,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:55,028 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:55,028 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:55,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:45:55,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:55,045 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:55,046 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:55,046 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:55,046 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:55,046 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:55,046 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:55,046 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:55,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:55,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:45:55,047 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:55,047 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:55,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:45:55,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:55,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:55,052 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:55,052 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:55,052 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:55,052 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:55,053 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:55,053 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:55,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:55,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:55,053 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:55,054 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:55,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-10-28 16:45:55,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:55,056 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:55,057 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:45:55,057 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:45:55,058 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:45:55,058 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:45:55,058 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:45:55,058 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:45:55,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:45:55,058 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:45:55,059 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:45:55,059 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:45:55,068 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 16:45:55,068 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [620516528] [2020-10-28 16:45:55,069 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:45:55,069 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-28 16:45:55,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360632088] [2020-10-28 16:45:55,071 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-28 16:45:55,071 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:45:55,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-28 16:45:55,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-28 16:45:55,072 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 5 states. [2020-10-28 16:45:55,668 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:45:56,619 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:45:56,619 INFO L93 Difference]: Finished difference Result 198 states and 248 transitions. [2020-10-28 16:45:56,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-28 16:45:56,622 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 53 [2020-10-28 16:45:56,623 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:45:56,625 INFO L225 Difference]: With dead ends: 198 [2020-10-28 16:45:56,625 INFO L226 Difference]: Without dead ends: 139 [2020-10-28 16:45:56,628 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-28 16:45:56,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-10-28 16:45:56,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 106. [2020-10-28 16:45:56,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-10-28 16:45:56,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2020-10-28 16:45:56,687 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 53 [2020-10-28 16:45:56,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:45:56,687 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2020-10-28 16:45:56,687 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-28 16:45:56,687 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2020-10-28 16:45:56,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2020-10-28 16:45:56,693 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:45:56,693 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:45:56,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-28 16:45:56,693 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 16:45:56,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:45:56,694 INFO L82 PathProgramCache]: Analyzing trace with hash -1408709631, now seen corresponding path program 1 times [2020-10-28 16:45:56,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:45:56,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [334136994] [2020-10-28 16:45:56,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:45:56,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:45:56,741 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:56,971 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:57,347 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:57,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:45:58,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:01,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:01,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 90 [2020-10-28 16:46:01,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:46:01,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5011 [2020-10-28 16:46:01,738 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:01,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:01,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:46:01,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:01,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 57 [2020-10-28 16:46:01,739 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:02,195 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:02,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:46:02,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:02,221 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:02,276 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:02,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:02,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:02,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-10-28 16:46:02,277 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:02,277 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:02,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:02,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:02,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:46:02,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:02,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:46:02,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:02,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:02,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:02,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:02,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:02,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:02,327 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:02,327 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:02,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:02,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:02,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:46:02,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:02,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:46:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:02,330 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:02,331 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:02,331 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:02,331 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:02,331 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:02,331 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:02,331 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:02,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:02,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:02,332 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:46:02,332 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:02,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:46:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:02,336 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:02,337 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:02,338 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:02,338 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:02,338 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:46:02,338 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:02,338 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:02,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:02,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:02,339 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:46:02,339 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:02,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:46:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:02,343 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:02,344 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:02,344 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:02,344 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:02,344 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:02,344 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:02,344 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:02,344 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:02,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:02,345 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:46:02,345 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:02,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:46:02,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:02,356 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:02,357 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:02,357 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:02,357 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:02,358 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:02,358 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:02,358 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:02,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:02,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:02,358 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:46:02,358 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:02,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:46:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:02,361 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:02,362 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:02,362 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:02,362 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:02,362 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:02,362 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:02,362 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:02,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:02,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:02,363 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:02,363 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:02,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-10-28 16:46:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:02,365 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:02,366 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:02,366 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:02,366 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:02,366 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:02,366 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:02,367 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:02,367 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:02,367 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:02,378 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 16:46:02,378 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [334136994] [2020-10-28 16:46:02,378 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:46:02,378 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:46:02,379 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [802021277] [2020-10-28 16:46:02,379 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:46:02,379 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:46:02,380 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:46:02,380 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:46:02,380 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 6 states. [2020-10-28 16:46:02,842 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:46:03,742 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-28 16:46:05,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:46:05,514 INFO L93 Difference]: Finished difference Result 367 states and 467 transitions. [2020-10-28 16:46:05,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-28 16:46:05,514 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 58 [2020-10-28 16:46:05,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:46:05,519 INFO L225 Difference]: With dead ends: 367 [2020-10-28 16:46:05,519 INFO L226 Difference]: Without dead ends: 289 [2020-10-28 16:46:05,521 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2020-10-28 16:46:05,522 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 289 states. [2020-10-28 16:46:05,604 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 289 to 222. [2020-10-28 16:46:05,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-10-28 16:46:05,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 271 transitions. [2020-10-28 16:46:05,607 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 271 transitions. Word has length 58 [2020-10-28 16:46:05,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:46:05,607 INFO L481 AbstractCegarLoop]: Abstraction has 222 states and 271 transitions. [2020-10-28 16:46:05,607 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:46:05,607 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 271 transitions. [2020-10-28 16:46:05,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-28 16:46:05,609 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:46:05,610 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-28 16:46:05,610 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-28 16:46:05,610 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 16:46:05,610 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:46:05,611 INFO L82 PathProgramCache]: Analyzing trace with hash 2052694265, now seen corresponding path program 1 times [2020-10-28 16:46:05,611 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:46:05,611 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2071125812] [2020-10-28 16:46:05,611 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:46:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:05,650 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:06,035 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:06,301 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:06,403 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:07,105 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:10,637 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:10,637 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 97 [2020-10-28 16:46:10,637 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 5 [2020-10-28 16:46:10,637 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5001 [2020-10-28 16:46:10,637 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:10,637 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:10,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-28 16:46:10,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 41 [2020-10-28 16:46:10,638 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 49 [2020-10-28 16:46:10,638 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:11,028 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:11,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:46:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:11,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:11,059 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:11,059 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:11,059 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:11,059 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-10-28 16:46:11,059 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:11,059 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:11,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:11,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:11,060 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:11,060 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:11,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:46:11,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:11,073 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:11,073 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:11,073 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:11,074 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:11,074 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:11,074 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:11,074 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:11,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:11,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:11,074 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:11,074 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:11,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:46:11,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:11,076 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:11,077 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:11,077 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:11,077 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:11,077 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:11,077 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:11,078 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:11,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:11,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:11,078 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:11,078 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:11,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:46:11,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:11,080 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:11,081 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:11,081 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:11,081 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:11,081 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:11,081 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:11,082 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:11,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:11,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:11,082 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:11,082 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:11,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:46:11,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:11,084 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:11,084 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:11,085 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:11,085 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:11,085 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:11,085 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:11,085 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:11,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:11,085 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:11,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:11,086 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:11,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:46:11,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:11,104 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:11,105 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:11,105 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:11,105 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:11,105 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:11,105 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:11,106 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:11,106 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:46:11,106 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:11,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:46:11,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:11,125 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:11,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:11,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:46:11,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:11,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:11,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:11,127 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:11,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:11,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:11,127 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-10-28 16:46:11,128 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:11,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-10-28 16:46:11,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:11,131 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:11,132 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:11,132 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:11,132 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:11,132 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:11,132 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:11,132 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:11,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:11,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:11,133 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:46:11,133 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:11,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-10-28 16:46:11,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:11,136 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:11,137 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:11,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:11,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:11,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:11,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:11,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:11,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:11,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:11,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-28 16:46:11,138 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:11,149 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 16:46:11,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2071125812] [2020-10-28 16:46:11,150 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-28 16:46:11,150 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-28 16:46:11,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [997046114] [2020-10-28 16:46:11,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-28 16:46:11,151 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:46:11,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-28 16:46:11,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-28 16:46:11,152 INFO L87 Difference]: Start difference. First operand 222 states and 271 transitions. Second operand 6 states. [2020-10-28 16:46:11,603 WARN L193 SmtUtils]: Spent 335.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:46:13,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:46:13,996 INFO L93 Difference]: Finished difference Result 596 states and 837 transitions. [2020-10-28 16:46:13,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-28 16:46:13,997 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-10-28 16:46:13,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:46:14,005 INFO L225 Difference]: With dead ends: 596 [2020-10-28 16:46:14,005 INFO L226 Difference]: Without dead ends: 592 [2020-10-28 16:46:14,006 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2020-10-28 16:46:14,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-10-28 16:46:14,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 424. [2020-10-28 16:46:14,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 424 states. [2020-10-28 16:46:14,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 424 states and 528 transitions. [2020-10-28 16:46:14,164 INFO L78 Accepts]: Start accepts. Automaton has 424 states and 528 transitions. Word has length 63 [2020-10-28 16:46:14,165 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:46:14,165 INFO L481 AbstractCegarLoop]: Abstraction has 424 states and 528 transitions. [2020-10-28 16:46:14,165 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-28 16:46:14,165 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 528 transitions. [2020-10-28 16:46:14,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-10-28 16:46:14,168 INFO L414 BasicCegarLoop]: Found error trace [2020-10-28 16:46:14,169 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 16:46:14,169 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-28 16:46:14,169 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-28 16:46:14,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-28 16:46:14,170 INFO L82 PathProgramCache]: Analyzing trace with hash 179476349, now seen corresponding path program 1 times [2020-10-28 16:46:14,170 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-28 16:46:14,170 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1983406055] [2020-10-28 16:46:14,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-28 16:46:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:14,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:14,322 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:14,334 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:14,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:14,620 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:17,585 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:19,202 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:19,203 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 136 [2020-10-28 16:46:19,203 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-28 16:46:19,203 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5008 [2020-10-28 16:46:19,203 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:19,203 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:46:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 60 [2020-10-28 16:46:19,203 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-28 16:46:19,203 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:19,548 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:19,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-28 16:46:19,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:19,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:19,578 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:19,579 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:19,579 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:19,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-28 16:46:19,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:19,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:19,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:19,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:19,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:19,580 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:19,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-28 16:46:19,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:19,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:19,593 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:19,593 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:19,593 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:19,593 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:19,593 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:19,593 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:19,593 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:19,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:19,594 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:19,594 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:19,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-10-28 16:46:19,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:19,595 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:19,596 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:19,596 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:19,596 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:19,596 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:19,596 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:19,597 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:19,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:19,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:19,597 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:19,597 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:19,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-10-28 16:46:19,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:19,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:19,600 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:19,600 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:19,600 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:19,600 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:19,600 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:19,601 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:19,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:19,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:19,601 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:19,601 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:19,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-28 16:46:19,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:19,603 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:19,603 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:19,604 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-28 16:46:19,604 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:19,604 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 0 [2020-10-28 16:46:19,604 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:19,604 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:19,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:19,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:19,604 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:19,605 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:19,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-28 16:46:19,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:19,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:19,625 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:19,625 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:19,625 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:19,625 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:19,625 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:19,625 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:19,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:19,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:19,626 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:19,630 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-10-28 16:46:19,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-28 16:46:19,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:19,652 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:19,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:19,654 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-28 16:46:19,654 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:19,654 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-28 16:46:19,655 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:19,655 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:19,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-28 16:46:19,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:19,655 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-28 16:46:19,655 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:19,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-10-28 16:46:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:19,676 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:19,686 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:19,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:19,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 32 [2020-10-28 16:46:19,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-28 16:46:19,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-10-28 16:46:19,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:19,695 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:19,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 7 [2020-10-28 16:46:19,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 0 [2020-10-28 16:46:19,695 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 32 [2020-10-28 16:46:19,695 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:19,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-28 16:46:19,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:19,724 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:19,732 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:19,732 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-28 16:46:19,732 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:19,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-28 16:46:19,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:19,733 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:19,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-28 16:46:19,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:19,733 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-10-28 16:46:19,733 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:19,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-28 16:46:19,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:19,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:19,841 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:19,841 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:19,842 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:19,842 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:19,842 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:19,842 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:19,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:19,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:19,842 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:19,842 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:19,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-28 16:46:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:19,846 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:19,850 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:19,850 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:19,850 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:19,850 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-28 16:46:19,850 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:19,851 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:19,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-28 16:46:19,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-28 16:46:19,851 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-28 16:46:19,851 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:19,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-10-28 16:46:19,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:19,871 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:19,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:19,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:19,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:19,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:19,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:19,873 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:19,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:19,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:19,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:19,873 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:19,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-10-28 16:46:19,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-28 16:46:19,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-28 16:46:19,882 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-28 16:46:19,882 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-28 16:46:19,882 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-28 16:46:19,882 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1 [2020-10-28 16:46:19,882 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-10-28 16:46:19,882 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.6 [2020-10-28 16:46:19,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-28 16:46:19,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-28 16:46:19,883 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-28 16:46:19,883 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-28 16:46:19,904 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-10-28 16:46:19,905 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1983406055] [2020-10-28 16:46:19,905 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-10-28 16:46:19,905 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-10-28 16:46:19,905 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953305594] [2020-10-28 16:46:19,906 INFO L461 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-10-28 16:46:19,906 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-28 16:46:19,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-10-28 16:46:19,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2020-10-28 16:46:19,907 INFO L87 Difference]: Start difference. First operand 424 states and 528 transitions. Second operand 13 states. [2020-10-28 16:46:20,543 WARN L193 SmtUtils]: Spent 374.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-28 16:46:21,885 WARN L193 SmtUtils]: Spent 349.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2020-10-28 16:46:22,333 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-28 16:46:23,140 WARN L193 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 210 [2020-10-28 16:46:23,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-28 16:46:23,722 INFO L93 Difference]: Finished difference Result 626 states and 844 transitions. [2020-10-28 16:46:23,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-10-28 16:46:23,722 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 94 [2020-10-28 16:46:23,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-28 16:46:23,723 INFO L225 Difference]: With dead ends: 626 [2020-10-28 16:46:23,723 INFO L226 Difference]: Without dead ends: 0 [2020-10-28 16:46:23,728 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=146, Invalid=406, Unknown=0, NotChecked=0, Total=552 [2020-10-28 16:46:23,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-28 16:46:23,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-28 16:46:23,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-28 16:46:23,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-28 16:46:23,729 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 94 [2020-10-28 16:46:23,729 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-28 16:46:23,729 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-28 16:46:23,729 INFO L482 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-10-28 16:46:23,729 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-28 16:46:23,729 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-28 16:46:23,729 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-28 16:46:23,731 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-28 16:46:23,915 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 211 [2020-10-28 16:46:25,041 WARN L193 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 223 [2020-10-28 16:46:25,983 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 223 [2020-10-28 16:46:27,645 WARN L193 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 19 [2020-10-28 16:46:28,169 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 12 [2020-10-28 16:46:28,515 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:46:28,825 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:46:29,119 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:46:29,377 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 19 [2020-10-28 16:46:29,623 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 11 [2020-10-28 16:46:29,932 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-28 16:46:30,519 WARN L193 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 16 [2020-10-28 16:46:30,796 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-28 16:46:31,331 WARN L193 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 11 [2020-10-28 16:46:31,917 WARN L193 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 11 [2020-10-28 16:46:32,206 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:46:32,500 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:46:32,787 WARN L193 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:46:33,018 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 19 [2020-10-28 16:46:33,561 WARN L193 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 10 [2020-10-28 16:46:34,180 WARN L193 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 16 [2020-10-28 16:46:34,467 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:46:35,000 WARN L193 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 10 [2020-10-28 16:46:35,284 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-10-28 16:46:35,533 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 14 [2020-10-28 16:46:35,825 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:46:36,363 WARN L193 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 12 [2020-10-28 16:46:36,623 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-10-28 16:46:36,911 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-10-28 16:46:37,135 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 19 [2020-10-28 16:46:37,699 WARN L193 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 14 [2020-10-28 16:46:38,244 WARN L193 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 10 [2020-10-28 16:46:38,249 INFO L274 CegarLoopResult]: For program point reach_errorEXIT(line 3) no Hoare annotation was computed. [2020-10-28 16:46:38,249 INFO L277 CegarLoopResult]: At program point reach_errorENTRY(line 3) the Hoare annotation is: true [2020-10-28 16:46:38,250 INFO L274 CegarLoopResult]: For program point reach_errorFINAL(line 3) no Hoare annotation was computed. [2020-10-28 16:46:38,250 INFO L274 CegarLoopResult]: For program point reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION(line 3) no Hoare annotation was computed. [2020-10-28 16:46:38,250 INFO L274 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-10-28 16:46:38,250 INFO L274 CegarLoopResult]: For program point L157-2(lines 157 178) no Hoare annotation was computed. [2020-10-28 16:46:38,250 INFO L274 CegarLoopResult]: For program point L179(lines 156 180) no Hoare annotation was computed. [2020-10-28 16:46:38,250 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 132 187) no Hoare annotation was computed. [2020-10-28 16:46:38,250 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 132 187) no Hoare annotation was computed. [2020-10-28 16:46:38,250 INFO L274 CegarLoopResult]: For program point L163(lines 163 167) no Hoare annotation was computed. [2020-10-28 16:46:38,250 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 132 187) no Hoare annotation was computed. [2020-10-28 16:46:38,251 INFO L274 CegarLoopResult]: For program point L163-1(lines 163 167) no Hoare annotation was computed. [2020-10-28 16:46:38,251 INFO L274 CegarLoopResult]: For program point L220(lines 220 224) no Hoare annotation was computed. [2020-10-28 16:46:38,251 INFO L274 CegarLoopResult]: For program point L220-1(lines 220 224) no Hoare annotation was computed. [2020-10-28 16:46:38,251 INFO L274 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-10-28 16:46:38,251 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 188 247) no Hoare annotation was computed. [2020-10-28 16:46:38,251 INFO L274 CegarLoopResult]: For program point L214-2(lines 214 239) no Hoare annotation was computed. [2020-10-28 16:46:38,251 INFO L274 CegarLoopResult]: For program point L240(lines 213 241) no Hoare annotation was computed. [2020-10-28 16:46:38,251 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 188 247) no Hoare annotation was computed. [2020-10-28 16:46:38,251 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 188 247) no Hoare annotation was computed. [2020-10-28 16:46:38,251 INFO L274 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-10-28 16:46:38,252 INFO L274 CegarLoopResult]: For program point L233-1(line 233) no Hoare annotation was computed. [2020-10-28 16:46:38,252 INFO L277 CegarLoopResult]: At program point select_helpersFINAL(lines 63 69) the Hoare annotation is: true [2020-10-28 16:46:38,252 INFO L274 CegarLoopResult]: For program point select_helpersEXIT(lines 63 69) no Hoare annotation was computed. [2020-10-28 16:46:38,252 INFO L274 CegarLoopResult]: For program point valid_productEXIT(lines 70 78) no Hoare annotation was computed. [2020-10-28 16:46:38,252 INFO L277 CegarLoopResult]: At program point valid_productENTRY(lines 70 78) the Hoare annotation is: true [2020-10-28 16:46:38,252 INFO L274 CegarLoopResult]: For program point valid_productFINAL(lines 70 78) no Hoare annotation was computed. [2020-10-28 16:46:38,252 INFO L270 CegarLoopResult]: At program point mainENTRY(lines 618 640) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,252 INFO L274 CegarLoopResult]: For program point mainEXIT(lines 618 640) no Hoare annotation was computed. [2020-10-28 16:46:38,252 INFO L270 CegarLoopResult]: At program point L630(line 630) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,253 INFO L270 CegarLoopResult]: At program point L630-1(line 630) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,253 INFO L274 CegarLoopResult]: For program point L628(lines 628 635) no Hoare annotation was computed. [2020-10-28 16:46:38,253 INFO L274 CegarLoopResult]: For program point L628-1(lines 628 635) no Hoare annotation was computed. [2020-10-28 16:46:38,253 INFO L274 CegarLoopResult]: For program point L626(line 626) no Hoare annotation was computed. [2020-10-28 16:46:38,253 INFO L270 CegarLoopResult]: At program point L625(line 625) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,253 INFO L270 CegarLoopResult]: At program point L624(line 624) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,254 INFO L270 CegarLoopResult]: At program point L624-1(line 624) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,254 INFO L274 CegarLoopResult]: For program point mainFINAL(lines 618 640) no Hoare annotation was computed. [2020-10-28 16:46:38,254 INFO L274 CegarLoopResult]: For program point Specification2EXIT(lines 574 597) no Hoare annotation was computed. [2020-10-28 16:46:38,254 INFO L274 CegarLoopResult]: For program point Specification2ENTRY(lines 574 597) no Hoare annotation was computed. [2020-10-28 16:46:38,254 INFO L274 CegarLoopResult]: For program point Specification2FINAL(lines 574 597) no Hoare annotation was computed. [2020-10-28 16:46:38,254 INFO L274 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-10-28 16:46:38,254 INFO L274 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-10-28 16:46:38,254 INFO L274 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-10-28 16:46:38,254 INFO L274 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-10-28 16:46:38,254 INFO L274 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-10-28 16:46:38,255 INFO L274 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-10-28 16:46:38,255 INFO L274 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-10-28 16:46:38,255 INFO L274 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-10-28 16:46:38,255 INFO L274 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-10-28 16:46:38,255 INFO L274 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-10-28 16:46:38,255 INFO L274 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-10-28 16:46:38,255 INFO L274 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-10-28 16:46:38,255 INFO L274 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2020-10-28 16:46:38,255 INFO L274 CegarLoopResult]: For program point L579(line 579) no Hoare annotation was computed. [2020-10-28 16:46:38,255 INFO L274 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 675 681) no Hoare annotation was computed. [2020-10-28 16:46:38,255 INFO L277 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 675 681) the Hoare annotation is: true [2020-10-28 16:46:38,255 INFO L274 CegarLoopResult]: For program point L801(lines 801 807) no Hoare annotation was computed. [2020-10-28 16:46:38,256 INFO L274 CegarLoopResult]: For program point stopSystemEXIT(lines 797 811) no Hoare annotation was computed. [2020-10-28 16:46:38,256 INFO L270 CegarLoopResult]: At program point stopSystemENTRY(lines 797 811) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-10-28 16:46:38,256 INFO L274 CegarLoopResult]: For program point stopSystemFINAL(lines 797 811) no Hoare annotation was computed. [2020-10-28 16:46:38,256 INFO L270 CegarLoopResult]: At program point L803(line 803) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:46:38,256 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 708 715) no Hoare annotation was computed. [2020-10-28 16:46:38,256 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 708 715) no Hoare annotation was computed. [2020-10-28 16:46:38,256 INFO L274 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 708 715) no Hoare annotation was computed. [2020-10-28 16:46:38,256 INFO L274 CegarLoopResult]: For program point isPumpRunningEXIT(lines 752 760) no Hoare annotation was computed. [2020-10-28 16:46:38,256 INFO L277 CegarLoopResult]: At program point isPumpRunningENTRY(lines 752 760) the Hoare annotation is: true [2020-10-28 16:46:38,256 INFO L274 CegarLoopResult]: For program point isPumpRunningFINAL(lines 752 760) no Hoare annotation was computed. [2020-10-28 16:46:38,256 INFO L274 CegarLoopResult]: For program point L768(lines 768 776) no Hoare annotation was computed. [2020-10-28 16:46:38,256 INFO L274 CegarLoopResult]: For program point L768-2(lines 768 776) no Hoare annotation was computed. [2020-10-28 16:46:38,256 INFO L274 CegarLoopResult]: For program point L791(line 791) no Hoare annotation was computed. [2020-10-28 16:46:38,256 INFO L274 CegarLoopResult]: For program point L791-1(line 791) no Hoare annotation was computed. [2020-10-28 16:46:38,256 INFO L274 CegarLoopResult]: For program point printPumpFINAL(lines 761 796) no Hoare annotation was computed. [2020-10-28 16:46:38,257 INFO L274 CegarLoopResult]: For program point L780(lines 780 788) no Hoare annotation was computed. [2020-10-28 16:46:38,257 INFO L274 CegarLoopResult]: For program point L780-2(lines 780 788) no Hoare annotation was computed. [2020-10-28 16:46:38,257 INFO L274 CegarLoopResult]: For program point printPumpENTRY(lines 761 796) no Hoare annotation was computed. [2020-10-28 16:46:38,257 INFO L274 CegarLoopResult]: For program point printPumpEXIT(lines 761 796) no Hoare annotation was computed. [2020-10-28 16:46:38,257 INFO L274 CegarLoopResult]: For program point select_featuresEXIT(lines 56 62) no Hoare annotation was computed. [2020-10-28 16:46:38,257 INFO L277 CegarLoopResult]: At program point select_featuresFINAL(lines 56 62) the Hoare annotation is: true [2020-10-28 16:46:38,257 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 86 131) no Hoare annotation was computed. [2020-10-28 16:46:38,257 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 86 131) no Hoare annotation was computed. [2020-10-28 16:46:38,257 INFO L274 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 86 131) no Hoare annotation was computed. [2020-10-28 16:46:38,257 INFO L274 CegarLoopResult]: For program point L413(lines 413 433) no Hoare annotation was computed. [2020-10-28 16:46:38,257 INFO L274 CegarLoopResult]: For program point L413-1(lines 413 433) no Hoare annotation was computed. [2020-10-28 16:46:38,257 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 399 444) no Hoare annotation was computed. [2020-10-28 16:46:38,257 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 423 424) no Hoare annotation was computed. [2020-10-28 16:46:38,257 INFO L274 CegarLoopResult]: For program point L430(lines 430 431) no Hoare annotation was computed. [2020-10-28 16:46:38,257 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 430 431) no Hoare annotation was computed. [2020-10-28 16:46:38,258 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 399 444) no Hoare annotation was computed. [2020-10-28 16:46:38,258 INFO L274 CegarLoopResult]: For program point L423(lines 423 424) no Hoare annotation was computed. [2020-10-28 16:46:38,258 INFO L274 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 399 444) no Hoare annotation was computed. [2020-10-28 16:46:38,258 INFO L274 CegarLoopResult]: For program point L419(lines 419 426) no Hoare annotation was computed. [2020-10-28 16:46:38,258 INFO L270 CegarLoopResult]: At program point runTestENTRY(lines 607 617) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,258 INFO L274 CegarLoopResult]: For program point runTestEXIT(lines 607 617) no Hoare annotation was computed. [2020-10-28 16:46:38,258 INFO L274 CegarLoopResult]: For program point runTestFINAL(lines 607 617) no Hoare annotation was computed. [2020-10-28 16:46:38,258 INFO L270 CegarLoopResult]: At program point L612(line 612) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,258 INFO L277 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 741 751) the Hoare annotation is: true [2020-10-28 16:46:38,258 INFO L274 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 741 751) no Hoare annotation was computed. [2020-10-28 16:46:38,258 INFO L277 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: true [2020-10-28 16:46:38,258 INFO L274 CegarLoopResult]: For program point L746-1(line 746) no Hoare annotation was computed. [2020-10-28 16:46:38,259 INFO L274 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 741 751) no Hoare annotation was computed. [2020-10-28 16:46:38,259 INFO L277 CegarLoopResult]: At program point deactivatePumpENTRY(lines 733 740) the Hoare annotation is: true [2020-10-28 16:46:38,259 INFO L274 CegarLoopResult]: For program point deactivatePumpEXIT(lines 733 740) no Hoare annotation was computed. [2020-10-28 16:46:38,259 INFO L274 CegarLoopResult]: For program point deactivatePumpFINAL(lines 733 740) no Hoare annotation was computed. [2020-10-28 16:46:38,259 INFO L270 CegarLoopResult]: At program point L702(line 702) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:46:38,259 INFO L274 CegarLoopResult]: For program point L702-1(lines 683 707) no Hoare annotation was computed. [2020-10-28 16:46:38,259 INFO L270 CegarLoopResult]: At program point L697(line 697) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:46:38,259 INFO L274 CegarLoopResult]: For program point processEnvironmentEXIT(lines 683 707) no Hoare annotation was computed. [2020-10-28 16:46:38,259 INFO L270 CegarLoopResult]: At program point L693(line 693) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:46:38,259 INFO L270 CegarLoopResult]: At program point processEnvironmentENTRY(lines 683 707) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:46:38,259 INFO L274 CegarLoopResult]: For program point L691(lines 691 699) no Hoare annotation was computed. [2020-10-28 16:46:38,259 INFO L270 CegarLoopResult]: At program point L689(line 689) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-10-28 16:46:38,259 INFO L274 CegarLoopResult]: For program point L689-1(line 689) no Hoare annotation was computed. [2020-10-28 16:46:38,259 INFO L274 CegarLoopResult]: For program point L687(lines 687 704) no Hoare annotation was computed. [2020-10-28 16:46:38,259 INFO L274 CegarLoopResult]: For program point L832(lines 831 880) no Hoare annotation was computed. [2020-10-28 16:46:38,260 INFO L270 CegarLoopResult]: At program point testENTRY(lines 821 888) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,260 INFO L270 CegarLoopResult]: At program point L863(line 863) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,260 INFO L274 CegarLoopResult]: For program point L861(lines 861 876) no Hoare annotation was computed. [2020-10-28 16:46:38,260 INFO L274 CegarLoopResult]: For program point testFINAL(lines 821 888) no Hoare annotation was computed. [2020-10-28 16:46:38,260 INFO L270 CegarLoopResult]: At program point L853(line 853) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,260 INFO L274 CegarLoopResult]: For program point L851(lines 851 857) no Hoare annotation was computed. [2020-10-28 16:46:38,260 INFO L274 CegarLoopResult]: For program point L851-1(lines 851 857) no Hoare annotation was computed. [2020-10-28 16:46:38,260 INFO L270 CegarLoopResult]: At program point L878(lines 831 880) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,260 INFO L270 CegarLoopResult]: At program point L843(line 843) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,261 INFO L274 CegarLoopResult]: For program point L841(lines 841 847) no Hoare annotation was computed. [2020-10-28 16:46:38,261 INFO L274 CegarLoopResult]: For program point L841-1(lines 841 847) no Hoare annotation was computed. [2020-10-28 16:46:38,261 INFO L274 CegarLoopResult]: For program point L833(lines 833 837) no Hoare annotation was computed. [2020-10-28 16:46:38,261 INFO L270 CegarLoopResult]: At program point L881(lines 830 882) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,261 INFO L270 CegarLoopResult]: At program point L871(line 871) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,261 INFO L274 CegarLoopResult]: For program point L869(lines 869 875) no Hoare annotation was computed. [2020-10-28 16:46:38,261 INFO L270 CegarLoopResult]: At program point L869-1(lines 861 876) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (<= test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,261 INFO L274 CegarLoopResult]: For program point testEXIT(lines 821 888) no Hoare annotation was computed. [2020-10-28 16:46:38,261 INFO L274 CegarLoopResult]: For program point L384(lines 384 385) no Hoare annotation was computed. [2020-10-28 16:46:38,261 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION(lines 377 378) no Hoare annotation was computed. [2020-10-28 16:46:38,261 INFO L274 CegarLoopResult]: For program point __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION(lines 384 385) no Hoare annotation was computed. [2020-10-28 16:46:38,261 INFO L274 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 353 398) no Hoare annotation was computed. [2020-10-28 16:46:38,261 INFO L274 CegarLoopResult]: For program point L377(lines 377 378) no Hoare annotation was computed. [2020-10-28 16:46:38,261 INFO L274 CegarLoopResult]: For program point L373(lines 373 380) no Hoare annotation was computed. [2020-10-28 16:46:38,261 INFO L274 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 353 398) no Hoare annotation was computed. [2020-10-28 16:46:38,262 INFO L274 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 353 398) no Hoare annotation was computed. [2020-10-28 16:46:38,262 INFO L274 CegarLoopResult]: For program point L367(lines 367 387) no Hoare annotation was computed. [2020-10-28 16:46:38,262 INFO L274 CegarLoopResult]: For program point L367-1(lines 367 387) no Hoare annotation was computed. [2020-10-28 16:46:38,262 INFO L270 CegarLoopResult]: At program point L914(line 914) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,262 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 899 927) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,262 INFO L274 CegarLoopResult]: For program point L912(lines 912 918) no Hoare annotation was computed. [2020-10-28 16:46:38,262 INFO L274 CegarLoopResult]: For program point L911(lines 911 921) no Hoare annotation was computed. [2020-10-28 16:46:38,262 INFO L270 CegarLoopResult]: At program point L909(line 909) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,262 INFO L274 CegarLoopResult]: For program point L909-1(line 909) no Hoare annotation was computed. [2020-10-28 16:46:38,262 INFO L274 CegarLoopResult]: For program point L907(lines 907 924) no Hoare annotation was computed. [2020-10-28 16:46:38,262 INFO L274 CegarLoopResult]: For program point L907-1(lines 899 927) no Hoare annotation was computed. [2020-10-28 16:46:38,262 INFO L270 CegarLoopResult]: At program point L905(line 905) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,262 INFO L274 CegarLoopResult]: For program point L905-1(line 905) no Hoare annotation was computed. [2020-10-28 16:46:38,262 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 899 927) no Hoare annotation was computed. [2020-10-28 16:46:38,262 INFO L274 CegarLoopResult]: For program point printEnvironmentEXIT(lines 508 530) no Hoare annotation was computed. [2020-10-28 16:46:38,262 INFO L274 CegarLoopResult]: For program point printEnvironmentENTRY(lines 508 530) no Hoare annotation was computed. [2020-10-28 16:46:38,263 INFO L274 CegarLoopResult]: For program point printEnvironmentFINAL(lines 508 530) no Hoare annotation was computed. [2020-10-28 16:46:38,263 INFO L274 CegarLoopResult]: For program point L516(lines 516 524) no Hoare annotation was computed. [2020-10-28 16:46:38,263 INFO L274 CegarLoopResult]: For program point L516-2(lines 516 524) no Hoare annotation was computed. [2020-10-28 16:46:38,263 INFO L270 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 891 898) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (not (= |old(~methAndRunningLastTime~0)| 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-10-28 16:46:38,263 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 891 898) no Hoare annotation was computed. [2020-10-28 16:46:38,263 INFO L274 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 891 898) no Hoare annotation was computed. [2020-10-28 16:46:38,263 INFO L274 CegarLoopResult]: For program point select_oneENTRY(lines 46 55) no Hoare annotation was computed. [2020-10-28 16:46:38,263 INFO L274 CegarLoopResult]: For program point select_oneFINAL(lines 46 55) no Hoare annotation was computed. [2020-10-28 16:46:38,263 INFO L274 CegarLoopResult]: For program point select_oneEXIT(lines 46 55) no Hoare annotation was computed. [2020-10-28 16:46:38,263 INFO L274 CegarLoopResult]: For program point L320(lines 298 321) no Hoare annotation was computed. [2020-10-28 16:46:38,263 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 250 352) no Hoare annotation was computed. [2020-10-28 16:46:38,263 INFO L274 CegarLoopResult]: For program point L279(lines 279 295) no Hoare annotation was computed. [2020-10-28 16:46:38,263 INFO L274 CegarLoopResult]: For program point L339(lines 339 346) no Hoare annotation was computed. [2020-10-28 16:46:38,263 INFO L274 CegarLoopResult]: For program point L300(lines 299 319) no Hoare annotation was computed. [2020-10-28 16:46:38,264 INFO L274 CegarLoopResult]: For program point L331(line 331) no Hoare annotation was computed. [2020-10-28 16:46:38,264 INFO L274 CegarLoopResult]: For program point L331-1(line 331) no Hoare annotation was computed. [2020-10-28 16:46:38,264 INFO L274 CegarLoopResult]: For program point L296(lines 296 337) no Hoare annotation was computed. [2020-10-28 16:46:38,264 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 250 352) no Hoare annotation was computed. [2020-10-28 16:46:38,264 INFO L274 CegarLoopResult]: For program point L315(line 315) no Hoare annotation was computed. [2020-10-28 16:46:38,264 INFO L274 CegarLoopResult]: For program point L315-1(line 315) no Hoare annotation was computed. [2020-10-28 16:46:38,264 INFO L274 CegarLoopResult]: For program point L274(lines 274 278) no Hoare annotation was computed. [2020-10-28 16:46:38,264 INFO L274 CegarLoopResult]: For program point L338(lines 338 349) no Hoare annotation was computed. [2020-10-28 16:46:38,264 INFO L274 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 250 352) no Hoare annotation was computed. [2020-10-28 16:46:38,264 INFO L274 CegarLoopResult]: For program point L301(lines 301 305) no Hoare annotation was computed. [2020-10-28 16:46:38,264 INFO L274 CegarLoopResult]: For program point L299-2(lines 299 319) no Hoare annotation was computed. [2020-10-28 16:46:38,264 INFO L274 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:46:38,265 INFO L270 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string52.offset| |old(#t~string52.offset)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string52.base| |old(#t~string52.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string40.base| |old(#t~string40.base)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-10-28 16:46:38,265 INFO L274 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:46:38,265 INFO L274 CegarLoopResult]: For program point L721(line 721) no Hoare annotation was computed. [2020-10-28 16:46:38,265 INFO L274 CegarLoopResult]: For program point L721-1(line 721) no Hoare annotation was computed. [2020-10-28 16:46:38,265 INFO L274 CegarLoopResult]: For program point activatePumpEXIT(lines 716 732) no Hoare annotation was computed. [2020-10-28 16:46:38,265 INFO L274 CegarLoopResult]: For program point activatePumpENTRY(lines 716 732) no Hoare annotation was computed. [2020-10-28 16:46:38,265 INFO L274 CegarLoopResult]: For program point L727(line 727) no Hoare annotation was computed. [2020-10-28 16:46:38,265 INFO L274 CegarLoopResult]: For program point L727-1(lines 716 732) no Hoare annotation was computed. [2020-10-28 16:46:38,265 INFO L274 CegarLoopResult]: For program point L723(lines 723 729) no Hoare annotation was computed. [2020-10-28 16:46:38,265 INFO L274 CegarLoopResult]: For program point getWaterLevelENTRY(lines 531 539) no Hoare annotation was computed. [2020-10-28 16:46:38,266 INFO L274 CegarLoopResult]: For program point getWaterLevelFINAL(lines 531 539) no Hoare annotation was computed. [2020-10-28 16:46:38,266 INFO L274 CegarLoopResult]: For program point getWaterLevelEXIT(lines 531 539) no Hoare annotation was computed. [2020-10-28 16:46:38,266 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:46:38,266 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-10-28 16:46:38,266 INFO L274 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:46:38,266 INFO L270 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 487 498) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-10-28 16:46:38,266 INFO L274 CegarLoopResult]: For program point L491-1(lines 487 498) no Hoare annotation was computed. [2020-10-28 16:46:38,266 INFO L274 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 487 498) no Hoare annotation was computed. [2020-10-28 16:46:38,266 INFO L277 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 499 507) the Hoare annotation is: true [2020-10-28 16:46:38,266 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 499 507) no Hoare annotation was computed. [2020-10-28 16:46:38,267 INFO L274 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 499 507) no Hoare annotation was computed. [2020-10-28 16:46:38,267 INFO L270 CegarLoopResult]: At program point L664(line 664) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,267 INFO L270 CegarLoopResult]: At program point L662(lines 662 668) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,267 INFO L270 CegarLoopResult]: At program point L657(line 657) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,267 INFO L270 CegarLoopResult]: At program point timeShiftENTRY(lines 651 674) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methAndRunningLastTime~0)| 0))) [2020-10-28 16:46:38,267 INFO L274 CegarLoopResult]: For program point L655(lines 654 673) no Hoare annotation was computed. [2020-10-28 16:46:38,267 INFO L274 CegarLoopResult]: For program point timeShiftEXIT(lines 651 674) no Hoare annotation was computed. [2020-10-28 16:46:38,267 INFO L274 CegarLoopResult]: For program point timeShiftFINAL(lines 651 674) no Hoare annotation was computed. [2020-10-28 16:46:38,267 INFO L274 CegarLoopResult]: For program point cleanupEXIT(lines 543 572) no Hoare annotation was computed. [2020-10-28 16:46:38,268 INFO L277 CegarLoopResult]: At program point cleanupENTRY(lines 543 572) the Hoare annotation is: true [2020-10-28 16:46:38,268 INFO L277 CegarLoopResult]: At program point L568(lines 543 572) the Hoare annotation is: true [2020-10-28 16:46:38,268 INFO L274 CegarLoopResult]: For program point L564(line 564) no Hoare annotation was computed. [2020-10-28 16:46:38,268 INFO L274 CegarLoopResult]: For program point L557(lines 557 561) no Hoare annotation was computed. [2020-10-28 16:46:38,268 INFO L277 CegarLoopResult]: At program point L557-1(lines 557 561) the Hoare annotation is: true [2020-10-28 16:46:38,268 INFO L274 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2020-10-28 16:46:38,268 INFO L277 CegarLoopResult]: At program point L553-2(lines 553 567) the Hoare annotation is: true [2020-10-28 16:46:38,268 INFO L277 CegarLoopResult]: At program point L549(line 549) the Hoare annotation is: true [2020-10-28 16:46:38,268 INFO L274 CegarLoopResult]: For program point L549-1(line 549) no Hoare annotation was computed. [2020-10-28 16:46:38,268 INFO L277 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 463 474) the Hoare annotation is: true [2020-10-28 16:46:38,268 INFO L274 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 463 474) no Hoare annotation was computed. [2020-10-28 16:46:38,269 INFO L274 CegarLoopResult]: For program point L467-1(lines 463 474) no Hoare annotation was computed. [2020-10-28 16:46:38,269 INFO L274 CegarLoopResult]: For program point setupEXIT(lines 598 604) no Hoare annotation was computed. [2020-10-28 16:46:38,269 INFO L277 CegarLoopResult]: At program point setupFINAL(lines 598 604) the Hoare annotation is: true [2020-10-28 16:46:38,269 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-28 16:46:38,269 INFO L270 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0)) [2020-10-28 16:46:38,269 INFO L277 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-10-28 16:46:38,269 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-28 16:46:38,269 INFO L274 CegarLoopResult]: For program point startSystemEXIT(lines 812 819) no Hoare annotation was computed. [2020-10-28 16:46:38,269 INFO L270 CegarLoopResult]: At program point startSystemENTRY(lines 812 819) the Hoare annotation is: (or (= |old(~systemActive~0)| ~systemActive~0) (not (= ~methAndRunningLastTime~0 0)) (not (= ~pumpRunning~0 0))) [2020-10-28 16:46:38,269 INFO L274 CegarLoopResult]: For program point startSystemFINAL(lines 812 819) no Hoare annotation was computed. [2020-10-28 16:46:38,270 INFO L274 CegarLoopResult]: For program point waterRiseEXIT(lines 475 486) no Hoare annotation was computed. [2020-10-28 16:46:38,270 INFO L274 CegarLoopResult]: For program point L479-1(lines 475 486) no Hoare annotation was computed. [2020-10-28 16:46:38,270 INFO L270 CegarLoopResult]: At program point waterRiseENTRY(lines 475 486) the Hoare annotation is: (or (not (= ~methAndRunningLastTime~0 0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-10-28 16:46:38,270 INFO L274 CegarLoopResult]: For program point __automaton_failFINAL(lines 446 453) no Hoare annotation was computed. [2020-10-28 16:46:38,270 INFO L277 CegarLoopResult]: At program point __automaton_failENTRY(lines 446 453) the Hoare annotation is: true [2020-10-28 16:46:38,270 INFO L274 CegarLoopResult]: For program point __automaton_failEXIT(lines 446 453) no Hoare annotation was computed. [2020-10-28 16:46:38,270 INFO L274 CegarLoopResult]: For program point L450(line 450) no Hoare annotation was computed. [2020-10-28 16:46:38,298 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 04:46:38 BoogieIcfgContainer [2020-10-28 16:46:38,299 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-28 16:46:38,301 INFO L168 Benchmark]: Toolchain (without parser) took 58142.39 ms. Allocated memory was 162.5 MB in the beginning and 755.0 MB in the end (delta: 592.4 MB). Free memory was 136.8 MB in the beginning and 500.9 MB in the end (delta: -364.1 MB). Peak memory consumption was 452.5 MB. Max. memory is 8.0 GB. [2020-10-28 16:46:38,302 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 162.5 MB. Free memory is still 134.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-28 16:46:38,304 INFO L168 Benchmark]: CACSL2BoogieTranslator took 594.04 ms. Allocated memory is still 162.5 MB. Free memory was 136.2 MB in the beginning and 115.4 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-28 16:46:38,304 INFO L168 Benchmark]: Boogie Preprocessor took 80.07 ms. Allocated memory is still 162.5 MB. Free memory was 115.4 MB in the beginning and 111.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-28 16:46:38,305 INFO L168 Benchmark]: RCFGBuilder took 1146.08 ms. Allocated memory is still 162.5 MB. Free memory was 111.6 MB in the beginning and 59.3 MB in the end (delta: 52.3 MB). Peak memory consumption was 52.6 MB. Max. memory is 8.0 GB. [2020-10-28 16:46:38,306 INFO L168 Benchmark]: TraceAbstraction took 56308.89 ms. Allocated memory was 162.5 MB in the beginning and 755.0 MB in the end (delta: 592.4 MB). Free memory was 58.7 MB in the beginning and 500.9 MB in the end (delta: -442.2 MB). Peak memory consumption was 373.6 MB. Max. memory is 8.0 GB. [2020-10-28 16:46:38,312 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 162.5 MB. Free memory is still 134.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 594.04 ms. Allocated memory is still 162.5 MB. Free memory was 136.2 MB in the beginning and 115.4 MB in the end (delta: 20.7 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 80.07 ms. Allocated memory is still 162.5 MB. Free memory was 115.4 MB in the beginning and 111.6 MB in the end (delta: 3.8 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1146.08 ms. Allocated memory is still 162.5 MB. Free memory was 111.6 MB in the beginning and 59.3 MB in the end (delta: 52.3 MB). Peak memory consumption was 52.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 56308.89 ms. Allocated memory was 162.5 MB in the beginning and 755.0 MB in the end (delta: 592.4 MB). Free memory was 58.7 MB in the beginning and 500.9 MB in the end (delta: -442.2 MB). Peak memory consumption was 373.6 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: 384]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 377]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 423]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 430]: 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: 831]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || ((splverifierCounter <= 0 && pumpRunning == 0) && methAndRunningLastTime == 0)) || !(\old(methAndRunningLastTime) == 0) - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 543]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 830]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methAndRunningLastTime) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 238 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 41.6s, OverallIterations: 5, TraceHistogramMax: 2, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 496 SDtfs, 923 SDslu, 357 SDs, 0 SdLazy, 1786 SolverSat, 774 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 146 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 5.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=424occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 302 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 380 PreInvPairs, 445 NumberOfFragments, 904 HoareAnnotationTreeSize, 380 FomulaSimplifications, 232924 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 56 FomulaSimplificationsInter, 14997 FormulaSimplificationTreeSizeReductionInter, 11.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 28.0s InterpolantComputationTime, 320 NumberOfCodeBlocks, 320 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 315 ConstructedInterpolants, 0 QuantifiedInterpolants, 101351 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 4 PerfectInterpolantSequences, 25/27 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...