./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec1_product62.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version eb692b52 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/product-lines/minepump_spec1_product62.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 592117a566b45deb7ab0407540eecbf2be0f732724f0529483f85e7a6864867a --- Real Ultimate output --- This is Ultimate 0.2.2-?-eb692b5 [2022-07-19 17:23:23,919 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-19 17:23:23,921 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-19 17:23:23,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-19 17:23:23,962 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-19 17:23:23,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-19 17:23:23,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-19 17:23:23,967 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-19 17:23:23,969 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-19 17:23:23,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-19 17:23:23,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-19 17:23:23,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-19 17:23:23,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-19 17:23:23,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-19 17:23:23,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-19 17:23:23,982 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-19 17:23:23,983 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-19 17:23:23,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-19 17:23:23,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-19 17:23:23,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-19 17:23:23,993 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-19 17:23:23,994 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-19 17:23:23,995 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-19 17:23:23,996 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-19 17:23:23,997 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-19 17:23:24,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-19 17:23:24,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-19 17:23:24,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-19 17:23:24,006 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-19 17:23:24,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-19 17:23:24,007 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-19 17:23:24,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-19 17:23:24,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-19 17:23:24,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-19 17:23:24,010 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-19 17:23:24,011 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-19 17:23:24,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-19 17:23:24,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-19 17:23:24,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-19 17:23:24,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-19 17:23:24,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-19 17:23:24,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-19 17:23:24,016 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-19 17:23:24,045 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-19 17:23:24,046 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-19 17:23:24,046 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-19 17:23:24,047 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-19 17:23:24,047 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-19 17:23:24,048 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-19 17:23:24,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-19 17:23:24,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-19 17:23:24,049 INFO L138 SettingsManager]: * Use SBE=true [2022-07-19 17:23:24,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-19 17:23:24,050 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-19 17:23:24,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-19 17:23:24,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-19 17:23:24,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-19 17:23:24,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-19 17:23:24,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-19 17:23:24,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-19 17:23:24,051 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-19 17:23:24,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-19 17:23:24,051 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-19 17:23:24,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-19 17:23:24,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-19 17:23:24,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-19 17:23:24,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-19 17:23:24,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:23:24,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-19 17:23:24,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-19 17:23:24,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-19 17:23:24,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-19 17:23:24,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-19 17:23:24,054 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-19 17:23:24,054 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-19 17:23:24,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-19 17:23:24,055 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/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 592117a566b45deb7ab0407540eecbf2be0f732724f0529483f85e7a6864867a [2022-07-19 17:23:24,300 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-19 17:23:24,331 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-19 17:23:24,332 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-19 17:23:24,333 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-19 17:23:24,334 INFO L275 PluginConnector]: CDTParser initialized [2022-07-19 17:23:24,335 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product62.cil.c [2022-07-19 17:23:24,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ad5a390d/eb1a2a314f9949f581ac115bd1363099/FLAG96e835c79 [2022-07-19 17:23:24,844 INFO L306 CDTParser]: Found 1 translation units. [2022-07-19 17:23:24,845 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product62.cil.c [2022-07-19 17:23:24,867 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ad5a390d/eb1a2a314f9949f581ac115bd1363099/FLAG96e835c79 [2022-07-19 17:23:25,219 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4ad5a390d/eb1a2a314f9949f581ac115bd1363099 [2022-07-19 17:23:25,221 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-19 17:23:25,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-19 17:23:25,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-19 17:23:25,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-19 17:23:25,230 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-19 17:23:25,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:23:25" (1/1) ... [2022-07-19 17:23:25,231 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3aab3aa2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:25, skipping insertion in model container [2022-07-19 17:23:25,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 05:23:25" (1/1) ... [2022-07-19 17:23:25,239 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-19 17:23:25,270 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-19 17:23:25,562 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product62.cil.c[19185,19198] [2022-07-19 17:23:25,568 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:23:25,580 INFO L203 MainTranslator]: Completed pre-run [2022-07-19 17:23:25,654 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product62.cil.c[19185,19198] [2022-07-19 17:23:25,655 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-19 17:23:25,670 INFO L208 MainTranslator]: Completed translation [2022-07-19 17:23:25,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:25 WrapperNode [2022-07-19 17:23:25,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-19 17:23:25,672 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-19 17:23:25,672 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-19 17:23:25,672 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-19 17:23:25,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:25" (1/1) ... [2022-07-19 17:23:25,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:25" (1/1) ... [2022-07-19 17:23:25,721 INFO L137 Inliner]: procedures = 58, calls = 161, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 271 [2022-07-19 17:23:25,726 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-19 17:23:25,727 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-19 17:23:25,728 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-19 17:23:25,728 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-19 17:23:25,735 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:25" (1/1) ... [2022-07-19 17:23:25,735 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:25" (1/1) ... [2022-07-19 17:23:25,748 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:25" (1/1) ... [2022-07-19 17:23:25,749 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:25" (1/1) ... [2022-07-19 17:23:25,754 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:25" (1/1) ... [2022-07-19 17:23:25,758 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:25" (1/1) ... [2022-07-19 17:23:25,760 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:25" (1/1) ... [2022-07-19 17:23:25,762 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-19 17:23:25,763 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-19 17:23:25,763 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-19 17:23:25,764 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-19 17:23:25,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:25" (1/1) ... [2022-07-19 17:23:25,780 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-19 17:23:25,792 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:23:25,804 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-07-19 17:23:25,806 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-07-19 17:23:25,830 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-19 17:23:25,830 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-19 17:23:25,830 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-19 17:23:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-19 17:23:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-19 17:23:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-19 17:23:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-19 17:23:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-19 17:23:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-19 17:23:25,831 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2022-07-19 17:23:25,831 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2022-07-19 17:23:25,832 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-19 17:23:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-19 17:23:25,833 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-19 17:23:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-19 17:23:25,833 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-19 17:23:25,833 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-19 17:23:25,833 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-07-19 17:23:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-07-19 17:23:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-19 17:23:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-19 17:23:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-19 17:23:25,834 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-19 17:23:25,834 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-19 17:23:25,892 INFO L234 CfgBuilder]: Building ICFG [2022-07-19 17:23:25,893 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-19 17:23:26,202 INFO L275 CfgBuilder]: Performing block encoding [2022-07-19 17:23:26,213 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-19 17:23:26,213 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-19 17:23:26,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:23:26 BoogieIcfgContainer [2022-07-19 17:23:26,215 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-19 17:23:26,216 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-19 17:23:26,219 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-19 17:23:26,222 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-19 17:23:26,222 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 05:23:25" (1/3) ... [2022-07-19 17:23:26,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e47a549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:23:26, skipping insertion in model container [2022-07-19 17:23:26,223 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 05:23:25" (2/3) ... [2022-07-19 17:23:26,223 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e47a549 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 05:23:26, skipping insertion in model container [2022-07-19 17:23:26,224 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:23:26" (3/3) ... [2022-07-19 17:23:26,225 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product62.cil.c [2022-07-19 17:23:26,237 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-19 17:23:26,237 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-19 17:23:26,272 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-19 17:23:26,278 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@3cdfe97a, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@4c461213 [2022-07-19 17:23:26,278 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-19 17:23:26,282 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 89 states have internal predecessors, (108), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2022-07-19 17:23:26,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-07-19 17:23:26,290 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:26,290 INFO L195 NwaCegarLoop]: 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] [2022-07-19 17:23:26,291 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:26,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:26,294 INFO L85 PathProgramCache]: Analyzing trace with hash 1689838058, now seen corresponding path program 1 times [2022-07-19 17:23:26,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:26,301 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299555918] [2022-07-19 17:23:26,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:26,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,440 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-19 17:23:26,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,466 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:23:26,467 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:26,467 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299555918] [2022-07-19 17:23:26,468 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299555918] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:26,468 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:26,468 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-19 17:23:26,470 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835137360] [2022-07-19 17:23:26,470 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:26,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-19 17:23:26,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:26,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-19 17:23:26,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:23:26,499 INFO L87 Difference]: Start difference. First operand has 109 states, 79 states have (on average 1.3670886075949367) internal successors, (108), 89 states have internal predecessors, (108), 18 states have call successors, (18), 10 states have call predecessors, (18), 10 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:23:26,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:26,549 INFO L93 Difference]: Finished difference Result 210 states and 283 transitions. [2022-07-19 17:23:26,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-19 17:23:26,551 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 23 [2022-07-19 17:23:26,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:26,565 INFO L225 Difference]: With dead ends: 210 [2022-07-19 17:23:26,565 INFO L226 Difference]: Without dead ends: 100 [2022-07-19 17:23:26,571 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-19 17:23:26,575 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:26,576 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:23:26,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2022-07-19 17:23:26,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 100. [2022-07-19 17:23:26,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 72 states have (on average 1.3055555555555556) internal successors, (94), 81 states have internal predecessors, (94), 18 states have call successors, (18), 10 states have call predecessors, (18), 9 states have return successors, (17), 12 states have call predecessors, (17), 17 states have call successors, (17) [2022-07-19 17:23:26,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 129 transitions. [2022-07-19 17:23:26,621 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 129 transitions. Word has length 23 [2022-07-19 17:23:26,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:26,621 INFO L495 AbstractCegarLoop]: Abstraction has 100 states and 129 transitions. [2022-07-19 17:23:26,622 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:23:26,622 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 129 transitions. [2022-07-19 17:23:26,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-07-19 17:23:26,624 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:26,624 INFO L195 NwaCegarLoop]: 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] [2022-07-19 17:23:26,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-19 17:23:26,625 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:26,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:26,626 INFO L85 PathProgramCache]: Analyzing trace with hash 1112714422, now seen corresponding path program 1 times [2022-07-19 17:23:26,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:26,626 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098306589] [2022-07-19 17:23:26,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:26,626 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,723 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-19 17:23:26,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:23:26,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:26,728 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098306589] [2022-07-19 17:23:26,728 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098306589] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:26,729 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:26,729 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-19 17:23:26,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1151620092] [2022-07-19 17:23:26,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:26,730 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-19 17:23:26,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:26,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-19 17:23:26,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:23:26,732 INFO L87 Difference]: Start difference. First operand 100 states and 129 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:23:26,755 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:26,758 INFO L93 Difference]: Finished difference Result 165 states and 213 transitions. [2022-07-19 17:23:26,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-19 17:23:26,760 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2022-07-19 17:23:26,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:26,764 INFO L225 Difference]: With dead ends: 165 [2022-07-19 17:23:26,764 INFO L226 Difference]: Without dead ends: 91 [2022-07-19 17:23:26,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-19 17:23:26,773 INFO L413 NwaCegarLoop]: 116 mSDtfsCounter, 13 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:26,775 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 215 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:23:26,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-07-19 17:23:26,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-07-19 17:23:26,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 66 states have (on average 1.3181818181818181) internal successors, (87), 75 states have internal predecessors, (87), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-19 17:23:26,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 117 transitions. [2022-07-19 17:23:26,797 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 117 transitions. Word has length 24 [2022-07-19 17:23:26,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:26,798 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 117 transitions. [2022-07-19 17:23:26,799 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:23:26,799 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 117 transitions. [2022-07-19 17:23:26,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2022-07-19 17:23:26,803 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:26,803 INFO L195 NwaCegarLoop]: 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] [2022-07-19 17:23:26,803 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-19 17:23:26,804 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:26,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:26,806 INFO L85 PathProgramCache]: Analyzing trace with hash -1697557311, now seen corresponding path program 1 times [2022-07-19 17:23:26,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:26,806 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [830116648] [2022-07-19 17:23:26,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:26,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,883 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 17:23:26,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:26,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:23:26,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:26,888 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [830116648] [2022-07-19 17:23:26,888 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [830116648] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:26,889 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:26,889 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 17:23:26,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1500422117] [2022-07-19 17:23:26,889 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:26,890 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:23:26,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:26,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:23:26,891 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:23:26,891 INFO L87 Difference]: Start difference. First operand 91 states and 117 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:23:26,974 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:26,974 INFO L93 Difference]: Finished difference Result 175 states and 228 transitions. [2022-07-19 17:23:26,974 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:23:26,975 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 29 [2022-07-19 17:23:26,976 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:26,978 INFO L225 Difference]: With dead ends: 175 [2022-07-19 17:23:26,978 INFO L226 Difference]: Without dead ends: 91 [2022-07-19 17:23:26,979 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:23:26,980 INFO L413 NwaCegarLoop]: 110 mSDtfsCounter, 142 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 298 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:26,981 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 298 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-19 17:23:26,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2022-07-19 17:23:26,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 91. [2022-07-19 17:23:26,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 66 states have (on average 1.303030303030303) internal successors, (86), 75 states have internal predecessors, (86), 15 states have call successors, (15), 9 states have call predecessors, (15), 9 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15) [2022-07-19 17:23:26,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 116 transitions. [2022-07-19 17:23:26,996 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 116 transitions. Word has length 29 [2022-07-19 17:23:26,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:26,996 INFO L495 AbstractCegarLoop]: Abstraction has 91 states and 116 transitions. [2022-07-19 17:23:26,997 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 5 states have internal predecessors, (26), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-07-19 17:23:26,997 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 116 transitions. [2022-07-19 17:23:26,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-07-19 17:23:26,998 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:26,999 INFO L195 NwaCegarLoop]: 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] [2022-07-19 17:23:26,999 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-19 17:23:26,999 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:26,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:27,000 INFO L85 PathProgramCache]: Analyzing trace with hash -189961352, now seen corresponding path program 1 times [2022-07-19 17:23:27,000 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:27,000 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319217746] [2022-07-19 17:23:27,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:27,001 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:27,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 17:23:27,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,094 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:27,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,114 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:27,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,122 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2022-07-19 17:23:27,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:23:27,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:27,131 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319217746] [2022-07-19 17:23:27,131 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319217746] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:27,132 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:27,132 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 17:23:27,132 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477704636] [2022-07-19 17:23:27,132 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:27,133 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:23:27,133 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:27,134 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:23:27,134 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:23:27,134 INFO L87 Difference]: Start difference. First operand 91 states and 116 transitions. Second operand has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-19 17:23:27,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:27,399 INFO L93 Difference]: Finished difference Result 261 states and 330 transitions. [2022-07-19 17:23:27,399 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 17:23:27,400 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) Word has length 44 [2022-07-19 17:23:27,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:27,407 INFO L225 Difference]: With dead ends: 261 [2022-07-19 17:23:27,407 INFO L226 Difference]: Without dead ends: 177 [2022-07-19 17:23:27,408 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-19 17:23:27,418 INFO L413 NwaCegarLoop]: 143 mSDtfsCounter, 198 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 128 mSolverCounterSat, 77 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 200 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 77 IncrementalHoareTripleChecker+Valid, 128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:27,419 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [200 Valid, 316 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [77 Valid, 128 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 17:23:27,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2022-07-19 17:23:27,448 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 171. [2022-07-19 17:23:27,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 125 states have (on average 1.232) internal successors, (154), 134 states have internal predecessors, (154), 22 states have call successors, (22), 18 states have call predecessors, (22), 23 states have return successors, (29), 24 states have call predecessors, (29), 22 states have call successors, (29) [2022-07-19 17:23:27,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 205 transitions. [2022-07-19 17:23:27,450 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 205 transitions. Word has length 44 [2022-07-19 17:23:27,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:27,451 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 205 transitions. [2022-07-19 17:23:27,451 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.0) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (5), 3 states have call predecessors, (5), 3 states have return successors, (4), 2 states have call predecessors, (4), 3 states have call successors, (4) [2022-07-19 17:23:27,451 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 205 transitions. [2022-07-19 17:23:27,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-07-19 17:23:27,456 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:27,456 INFO L195 NwaCegarLoop]: 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] [2022-07-19 17:23:27,457 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-19 17:23:27,457 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:27,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:27,458 INFO L85 PathProgramCache]: Analyzing trace with hash 963666416, now seen corresponding path program 1 times [2022-07-19 17:23:27,459 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:27,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1638853306] [2022-07-19 17:23:27,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:27,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 17:23:27,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:27,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,621 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:23:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,624 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2022-07-19 17:23:27,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:23:27,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:27,628 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1638853306] [2022-07-19 17:23:27,628 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1638853306] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:27,628 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:27,628 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:23:27,629 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169125855] [2022-07-19 17:23:27,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:27,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:23:27,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:27,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:23:27,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:23:27,630 INFO L87 Difference]: Start difference. First operand 171 states and 205 transitions. Second operand has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 17:23:27,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:27,876 INFO L93 Difference]: Finished difference Result 187 states and 221 transitions. [2022-07-19 17:23:27,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-07-19 17:23:27,877 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2022-07-19 17:23:27,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:27,878 INFO L225 Difference]: With dead ends: 187 [2022-07-19 17:23:27,878 INFO L226 Difference]: Without dead ends: 185 [2022-07-19 17:23:27,879 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2022-07-19 17:23:27,882 INFO L413 NwaCegarLoop]: 117 mSDtfsCounter, 144 mSDsluCounter, 308 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 425 SdHoareTripleChecker+Invalid, 222 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:27,882 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 425 Invalid, 222 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 17:23:27,883 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2022-07-19 17:23:27,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 171. [2022-07-19 17:23:27,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 125 states have (on average 1.216) internal successors, (152), 134 states have internal predecessors, (152), 22 states have call successors, (22), 18 states have call predecessors, (22), 23 states have return successors, (29), 24 states have call predecessors, (29), 22 states have call successors, (29) [2022-07-19 17:23:27,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 203 transitions. [2022-07-19 17:23:27,915 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 203 transitions. Word has length 50 [2022-07-19 17:23:27,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:27,916 INFO L495 AbstractCegarLoop]: Abstraction has 171 states and 203 transitions. [2022-07-19 17:23:27,916 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.833333333333333) internal successors, (41), 5 states have internal predecessors, (41), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-19 17:23:27,916 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 203 transitions. [2022-07-19 17:23:27,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-19 17:23:27,917 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:27,917 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:23:27,917 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-19 17:23:27,917 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:27,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:27,918 INFO L85 PathProgramCache]: Analyzing trace with hash -158889570, now seen corresponding path program 1 times [2022-07-19 17:23:27,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:27,918 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [698572766] [2022-07-19 17:23:27,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:27,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,955 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 17:23:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:27,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:27,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,014 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:23:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,019 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,024 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 17:23:28,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,029 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:23:28,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:28,029 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [698572766] [2022-07-19 17:23:28,030 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [698572766] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:28,030 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:28,030 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-19 17:23:28,030 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813328112] [2022-07-19 17:23:28,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:28,031 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-19 17:23:28,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:28,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-19 17:23:28,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-19 17:23:28,032 INFO L87 Difference]: Start difference. First operand 171 states and 203 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 17:23:28,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:28,202 INFO L93 Difference]: Finished difference Result 345 states and 418 transitions. [2022-07-19 17:23:28,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 17:23:28,203 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2022-07-19 17:23:28,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:28,205 INFO L225 Difference]: With dead ends: 345 [2022-07-19 17:23:28,205 INFO L226 Difference]: Without dead ends: 181 [2022-07-19 17:23:28,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2022-07-19 17:23:28,206 INFO L413 NwaCegarLoop]: 105 mSDtfsCounter, 76 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 407 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:28,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 407 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:23:28,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2022-07-19 17:23:28,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 174. [2022-07-19 17:23:28,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 128 states have (on average 1.2109375) internal successors, (155), 137 states have internal predecessors, (155), 22 states have call successors, (22), 18 states have call predecessors, (22), 23 states have return successors, (29), 24 states have call predecessors, (29), 22 states have call successors, (29) [2022-07-19 17:23:28,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 206 transitions. [2022-07-19 17:23:28,222 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 206 transitions. Word has length 60 [2022-07-19 17:23:28,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:28,223 INFO L495 AbstractCegarLoop]: Abstraction has 174 states and 206 transitions. [2022-07-19 17:23:28,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 17:23:28,223 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 206 transitions. [2022-07-19 17:23:28,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-19 17:23:28,224 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:28,224 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:23:28,225 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-19 17:23:28,225 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:28,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:28,225 INFO L85 PathProgramCache]: Analyzing trace with hash 115870044, now seen corresponding path program 1 times [2022-07-19 17:23:28,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:28,226 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1362971663] [2022-07-19 17:23:28,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:28,226 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,254 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 17:23:28,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,263 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,283 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:23:28,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,293 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 17:23:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,296 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:23:28,296 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:28,296 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1362971663] [2022-07-19 17:23:28,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1362971663] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:28,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:28,297 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 17:23:28,297 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2025907476] [2022-07-19 17:23:28,298 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:28,302 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:23:28,302 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:28,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:23:28,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:23:28,303 INFO L87 Difference]: Start difference. First operand 174 states and 206 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 17:23:28,441 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:28,441 INFO L93 Difference]: Finished difference Result 351 states and 424 transitions. [2022-07-19 17:23:28,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-19 17:23:28,442 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2022-07-19 17:23:28,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:28,449 INFO L225 Difference]: With dead ends: 351 [2022-07-19 17:23:28,449 INFO L226 Difference]: Without dead ends: 184 [2022-07-19 17:23:28,450 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:23:28,451 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 77 mSDsluCounter, 214 mSDsCounter, 0 mSdLazyCounter, 113 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 321 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 113 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:28,452 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 321 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 113 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:23:28,452 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2022-07-19 17:23:28,462 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 176. [2022-07-19 17:23:28,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 130 states have (on average 1.2076923076923076) internal successors, (157), 139 states have internal predecessors, (157), 22 states have call successors, (22), 18 states have call predecessors, (22), 23 states have return successors, (29), 24 states have call predecessors, (29), 22 states have call successors, (29) [2022-07-19 17:23:28,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 208 transitions. [2022-07-19 17:23:28,464 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 208 transitions. Word has length 60 [2022-07-19 17:23:28,464 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:28,465 INFO L495 AbstractCegarLoop]: Abstraction has 176 states and 208 transitions. [2022-07-19 17:23:28,465 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-19 17:23:28,465 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 208 transitions. [2022-07-19 17:23:28,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-19 17:23:28,466 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:28,467 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:23:28,467 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-19 17:23:28,467 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:28,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:28,468 INFO L85 PathProgramCache]: Analyzing trace with hash -2128113254, now seen corresponding path program 1 times [2022-07-19 17:23:28,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:28,468 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452222452] [2022-07-19 17:23:28,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:28,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,531 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 17:23:28,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,550 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:28,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:23:28,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,568 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:28,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,570 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2022-07-19 17:23:28,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,577 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-19 17:23:28,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:28,578 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452222452] [2022-07-19 17:23:28,578 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452222452] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:28,578 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:28,578 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-19 17:23:28,578 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631438318] [2022-07-19 17:23:28,578 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:28,579 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-19 17:23:28,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:28,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-19 17:23:28,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-19 17:23:28,579 INFO L87 Difference]: Start difference. First operand 176 states and 208 transitions. Second operand has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-19 17:23:28,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:28,792 INFO L93 Difference]: Finished difference Result 472 states and 588 transitions. [2022-07-19 17:23:28,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-19 17:23:28,792 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) Word has length 60 [2022-07-19 17:23:28,793 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:28,796 INFO L225 Difference]: With dead ends: 472 [2022-07-19 17:23:28,796 INFO L226 Difference]: Without dead ends: 303 [2022-07-19 17:23:28,797 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 12 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2022-07-19 17:23:28,797 INFO L413 NwaCegarLoop]: 157 mSDtfsCounter, 218 mSDsluCounter, 186 mSDsCounter, 0 mSdLazyCounter, 176 mSolverCounterSat, 74 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 74 IncrementalHoareTripleChecker+Valid, 176 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:28,798 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 343 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [74 Valid, 176 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-19 17:23:28,798 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2022-07-19 17:23:28,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 301. [2022-07-19 17:23:28,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 301 states, 223 states have (on average 1.201793721973094) internal successors, (268), 236 states have internal predecessors, (268), 39 states have call successors, (39), 35 states have call predecessors, (39), 38 states have return successors, (58), 40 states have call predecessors, (58), 39 states have call successors, (58) [2022-07-19 17:23:28,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 301 states to 301 states and 365 transitions. [2022-07-19 17:23:28,826 INFO L78 Accepts]: Start accepts. Automaton has 301 states and 365 transitions. Word has length 60 [2022-07-19 17:23:28,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:28,826 INFO L495 AbstractCegarLoop]: Abstraction has 301 states and 365 transitions. [2022-07-19 17:23:28,826 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.4) internal successors, (47), 4 states have internal predecessors, (47), 4 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-19 17:23:28,826 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 365 transitions. [2022-07-19 17:23:28,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-19 17:23:28,828 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:28,828 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:23:28,828 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-19 17:23:28,829 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:28,829 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:28,829 INFO L85 PathProgramCache]: Analyzing trace with hash -183762560, now seen corresponding path program 1 times [2022-07-19 17:23:28,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:28,829 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46263511] [2022-07-19 17:23:28,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:28,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:28,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,916 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 17:23:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-19 17:23:28,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:23:28,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,948 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:28,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,951 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2022-07-19 17:23:28,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:28,963 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-19 17:23:28,963 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:28,963 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46263511] [2022-07-19 17:23:28,963 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46263511] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:28,963 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-19 17:23:28,963 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-19 17:23:28,963 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170558191] [2022-07-19 17:23:28,964 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:28,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 17:23:28,964 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:28,965 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 17:23:28,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2022-07-19 17:23:28,965 INFO L87 Difference]: Start difference. First operand 301 states and 365 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-19 17:23:29,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:29,607 INFO L93 Difference]: Finished difference Result 959 states and 1199 transitions. [2022-07-19 17:23:29,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2022-07-19 17:23:29,607 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 64 [2022-07-19 17:23:29,608 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:29,613 INFO L225 Difference]: With dead ends: 959 [2022-07-19 17:23:29,613 INFO L226 Difference]: Without dead ends: 665 [2022-07-19 17:23:29,614 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 37 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 128 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=133, Invalid=467, Unknown=0, NotChecked=0, Total=600 [2022-07-19 17:23:29,617 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 352 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 527 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 359 SdHoareTripleChecker+Valid, 373 SdHoareTripleChecker+Invalid, 696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:29,617 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [359 Valid, 373 Invalid, 696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 527 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-07-19 17:23:29,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2022-07-19 17:23:29,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 637. [2022-07-19 17:23:29,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 637 states, 466 states have (on average 1.1759656652360515) internal successors, (548), 497 states have internal predecessors, (548), 88 states have call successors, (88), 70 states have call predecessors, (88), 82 states have return successors, (137), 90 states have call predecessors, (137), 88 states have call successors, (137) [2022-07-19 17:23:29,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 773 transitions. [2022-07-19 17:23:29,675 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 773 transitions. Word has length 64 [2022-07-19 17:23:29,676 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:29,676 INFO L495 AbstractCegarLoop]: Abstraction has 637 states and 773 transitions. [2022-07-19 17:23:29,676 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 5 states have internal predecessors, (51), 2 states have call successors, (7), 4 states have call predecessors, (7), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-19 17:23:29,676 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 773 transitions. [2022-07-19 17:23:29,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2022-07-19 17:23:29,677 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:29,677 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:23:29,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-19 17:23:29,679 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:29,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:29,679 INFO L85 PathProgramCache]: Analyzing trace with hash 2085614340, now seen corresponding path program 1 times [2022-07-19 17:23:29,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:29,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1255451616] [2022-07-19 17:23:29,680 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:29,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:29,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:29,743 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 17:23:29,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:29,750 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-19 17:23:29,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:29,764 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-19 17:23:29,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:29,778 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:29,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:29,841 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:23:29,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:29,885 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:29,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:29,905 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-19 17:23:29,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:29,907 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-19 17:23:29,907 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:29,907 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1255451616] [2022-07-19 17:23:29,907 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1255451616] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:23:29,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204265769] [2022-07-19 17:23:29,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:29,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:23:29,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:23:29,915 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 17:23:29,919 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-19 17:23:30,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:30,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 395 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-19 17:23:30,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:23:30,311 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-19 17:23:30,311 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:23:30,311 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204265769] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:30,312 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:23:30,312 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2022-07-19 17:23:30,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798157240] [2022-07-19 17:23:30,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:30,312 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 17:23:30,312 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:30,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 17:23:30,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2022-07-19 17:23:30,313 INFO L87 Difference]: Start difference. First operand 637 states and 773 transitions. Second operand has 8 states, 8 states have (on average 6.625) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2022-07-19 17:23:30,493 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:30,493 INFO L93 Difference]: Finished difference Result 1244 states and 1516 transitions. [2022-07-19 17:23:30,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 17:23:30,493 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 68 [2022-07-19 17:23:30,494 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:30,497 INFO L225 Difference]: With dead ends: 1244 [2022-07-19 17:23:30,497 INFO L226 Difference]: Without dead ends: 614 [2022-07-19 17:23:30,499 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=52, Invalid=328, Unknown=0, NotChecked=0, Total=380 [2022-07-19 17:23:30,499 INFO L413 NwaCegarLoop]: 212 mSDtfsCounter, 78 mSDsluCounter, 671 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 883 SdHoareTripleChecker+Invalid, 195 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:30,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 883 Invalid, 195 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:23:30,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2022-07-19 17:23:30,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 612. [2022-07-19 17:23:30,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 612 states, 447 states have (on average 1.1633109619686801) internal successors, (520), 477 states have internal predecessors, (520), 86 states have call successors, (86), 68 states have call predecessors, (86), 78 states have return successors, (122), 86 states have call predecessors, (122), 86 states have call successors, (122) [2022-07-19 17:23:30,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 612 states and 728 transitions. [2022-07-19 17:23:30,540 INFO L78 Accepts]: Start accepts. Automaton has 612 states and 728 transitions. Word has length 68 [2022-07-19 17:23:30,541 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:30,541 INFO L495 AbstractCegarLoop]: Abstraction has 612 states and 728 transitions. [2022-07-19 17:23:30,541 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.625) internal successors, (53), 6 states have internal predecessors, (53), 3 states have call successors, (8), 3 states have call predecessors, (8), 5 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2022-07-19 17:23:30,542 INFO L276 IsEmpty]: Start isEmpty. Operand 612 states and 728 transitions. [2022-07-19 17:23:30,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2022-07-19 17:23:30,544 INFO L187 NwaCegarLoop]: Found error trace [2022-07-19 17:23:30,544 INFO L195 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:23:30,572 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-19 17:23:30,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2022-07-19 17:23:30,770 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-19 17:23:30,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-19 17:23:30,770 INFO L85 PathProgramCache]: Analyzing trace with hash 971206854, now seen corresponding path program 1 times [2022-07-19 17:23:30,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-19 17:23:30,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699182829] [2022-07-19 17:23:30,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:30,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-19 17:23:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:30,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-19 17:23:30,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:30,844 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-19 17:23:30,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:30,863 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-19 17:23:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:30,868 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:30,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-19 17:23:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:30,873 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:30,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:30,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2022-07-19 17:23:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:30,882 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 70 [2022-07-19 17:23:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:30,892 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2022-07-19 17:23:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:30,926 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-19 17:23:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:30,956 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2022-07-19 17:23:30,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:30,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2022-07-19 17:23:30,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:30,962 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-19 17:23:30,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:30,963 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 114 [2022-07-19 17:23:30,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:30,965 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-19 17:23:30,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-19 17:23:30,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699182829] [2022-07-19 17:23:30,965 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699182829] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-19 17:23:30,965 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1319031800] [2022-07-19 17:23:30,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-19 17:23:30,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-19 17:23:30,966 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-19 17:23:30,967 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-19 17:23:30,994 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-19 17:23:31,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-19 17:23:31,072 INFO L263 TraceCheckSpWp]: Trace formula consists of 527 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-19 17:23:31,080 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-19 17:23:31,199 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-19 17:23:31,199 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-19 17:23:31,200 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1319031800] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-19 17:23:31,200 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-19 17:23:31,200 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 20 [2022-07-19 17:23:31,200 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [173021260] [2022-07-19 17:23:31,200 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-19 17:23:31,201 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-19 17:23:31,201 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-19 17:23:31,202 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-19 17:23:31,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=329, Unknown=0, NotChecked=0, Total=380 [2022-07-19 17:23:31,202 INFO L87 Difference]: Start difference. First operand 612 states and 728 transitions. Second operand has 8 states, 8 states have (on average 11.0) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-19 17:23:31,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-19 17:23:31,324 INFO L93 Difference]: Finished difference Result 1045 states and 1259 transitions. [2022-07-19 17:23:31,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-19 17:23:31,325 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) Word has length 123 [2022-07-19 17:23:31,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-19 17:23:31,326 INFO L225 Difference]: With dead ends: 1045 [2022-07-19 17:23:31,326 INFO L226 Difference]: Without dead ends: 0 [2022-07-19 17:23:31,329 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 163 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2022-07-19 17:23:31,329 INFO L413 NwaCegarLoop]: 200 mSDtfsCounter, 74 mSDsluCounter, 796 mSDsCounter, 0 mSdLazyCounter, 119 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 996 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 119 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-19 17:23:31,330 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 996 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 119 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-19 17:23:31,330 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-19 17:23:31,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-19 17:23:31,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-07-19 17:23:31,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-19 17:23:31,331 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 123 [2022-07-19 17:23:31,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-19 17:23:31,331 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-19 17:23:31,331 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 11.0) internal successors, (88), 6 states have internal predecessors, (88), 3 states have call successors, (15), 3 states have call predecessors, (15), 5 states have return successors, (14), 5 states have call predecessors, (14), 3 states have call successors, (14) [2022-07-19 17:23:31,331 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-19 17:23:31,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-19 17:23:31,333 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-19 17:23:31,359 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-19 17:23:31,549 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2022-07-19 17:23:31,551 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-19 17:23:34,254 INFO L895 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 199 206) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~pumpRunning~0)| 0) (not (<= 0 ~methaneLevelCritical~0)) (= 0 ~systemActive~0)) [2022-07-19 17:23:34,254 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 199 206) no Hoare annotation was computed. [2022-07-19 17:23:34,254 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 199 206) no Hoare annotation was computed. [2022-07-19 17:23:34,254 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 89 95) no Hoare annotation was computed. [2022-07-19 17:23:34,254 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 89 95) the Hoare annotation is: true [2022-07-19 17:23:34,254 INFO L899 garLoopResultBuilder]: For program point L291-2(lines 291 295) no Hoare annotation was computed. [2022-07-19 17:23:34,254 INFO L895 garLoopResultBuilder]: At program point L979(lines 974 982) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-19 17:23:34,255 INFO L895 garLoopResultBuilder]: At program point L137(line 137) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-19 17:23:34,255 INFO L895 garLoopResultBuilder]: At program point L133(line 133) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-19 17:23:34,255 INFO L899 garLoopResultBuilder]: For program point L131(lines 131 139) no Hoare annotation was computed. [2022-07-19 17:23:34,255 INFO L899 garLoopResultBuilder]: For program point L127(lines 127 144) no Hoare annotation was computed. [2022-07-19 17:23:34,255 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 123 147) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1))) [2022-07-19 17:23:34,255 INFO L895 garLoopResultBuilder]: At program point L142(line 142) the Hoare annotation is: (let ((.cse0 (= |old(~pumpRunning~0)| 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (not (<= ~methaneLevelCritical~0 0))) (.cse2 (not (<= 0 ~methaneLevelCritical~0))) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not .cse0) .cse4 (not (<= 1 ~methaneLevelCritical~0)) .cse3) (or .cse4 .cse1 .cse2 .cse3))) [2022-07-19 17:23:34,255 INFO L899 garLoopResultBuilder]: For program point L142-1(lines 123 147) no Hoare annotation was computed. [2022-07-19 17:23:34,255 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 123 147) no Hoare annotation was computed. [2022-07-19 17:23:34,255 INFO L895 garLoopResultBuilder]: At program point L297(lines 282 300) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-19 17:23:34,255 INFO L899 garLoopResultBuilder]: For program point L291(lines 291 295) no Hoare annotation was computed. [2022-07-19 17:23:34,256 INFO L899 garLoopResultBuilder]: For program point L911-1(lines 907 918) no Hoare annotation was computed. [2022-07-19 17:23:34,256 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 907 918) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= |old(~methaneLevelCritical~0)| 0)) (and (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0)) (not (<= 0 |old(~methaneLevelCritical~0)|)) .cse0) (or (<= 1 ~methaneLevelCritical~0) (not (= ~pumpRunning~0 0)) (not (<= 1 |old(~methaneLevelCritical~0)|)) .cse0))) [2022-07-19 17:23:34,256 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 907 918) no Hoare annotation was computed. [2022-07-19 17:23:34,256 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 785 814) no Hoare annotation was computed. [2022-07-19 17:23:34,256 INFO L899 garLoopResultBuilder]: For program point L799(lines 799 803) no Hoare annotation was computed. [2022-07-19 17:23:34,256 INFO L902 garLoopResultBuilder]: At program point L799-1(lines 799 803) the Hoare annotation is: true [2022-07-19 17:23:34,256 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 785 814) the Hoare annotation is: true [2022-07-19 17:23:34,256 INFO L899 garLoopResultBuilder]: For program point L796(line 796) no Hoare annotation was computed. [2022-07-19 17:23:34,256 INFO L902 garLoopResultBuilder]: At program point L795-2(lines 795 809) the Hoare annotation is: true [2022-07-19 17:23:34,256 INFO L902 garLoopResultBuilder]: At program point L791(line 791) the Hoare annotation is: true [2022-07-19 17:23:34,256 INFO L899 garLoopResultBuilder]: For program point L791-1(line 791) no Hoare annotation was computed. [2022-07-19 17:23:34,256 INFO L902 garLoopResultBuilder]: At program point L810(lines 785 814) the Hoare annotation is: true [2022-07-19 17:23:34,256 INFO L899 garLoopResultBuilder]: For program point L806(line 806) no Hoare annotation was computed. [2022-07-19 17:23:34,257 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 919 927) the Hoare annotation is: true [2022-07-19 17:23:34,257 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 919 927) no Hoare annotation was computed. [2022-07-19 17:23:34,257 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 919 927) no Hoare annotation was computed. [2022-07-19 17:23:34,257 INFO L899 garLoopResultBuilder]: For program point L993(lines 993 1006) no Hoare annotation was computed. [2022-07-19 17:23:34,257 INFO L895 garLoopResultBuilder]: At program point L993-1(lines 985 1009) the Hoare annotation is: (let ((.cse4 (= 0 ~systemActive~0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse0 .cse1) (not (<= 1 ~methaneLevelCritical~0)) (and .cse2 .cse1 .cse3) .cse4) (let ((.cse5 (< 0 (+ |timeShift___utac_acc__Specification1_spec__1_~tmp~11#1| 1))) (.cse6 (<= |timeShift___utac_acc__Specification1_spec__1_~tmp~11#1| 0))) (or (and (<= 2 ~waterLevel~0) .cse5 .cse3 .cse6) (and .cse0 .cse1 .cse5 .cse6) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse4 (and .cse2 .cse0 .cse5 .cse6) (and .cse2 .cse1 .cse5 .cse3 .cse6))))) [2022-07-19 17:23:34,257 INFO L895 garLoopResultBuilder]: At program point L159(line 159) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) (not (<= 0 ~methaneLevelCritical~0)) .cse0) (or (<= 1 |timeShift_processEnvironment_~tmp~2#1|) (not (<= 1 ~methaneLevelCritical~0)) .cse0))) [2022-07-19 17:23:34,257 INFO L895 garLoopResultBuilder]: At program point L155(line 155) the Hoare annotation is: (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) (not (<= 0 ~methaneLevelCritical~0)) (= 0 ~systemActive~0)) [2022-07-19 17:23:34,257 INFO L899 garLoopResultBuilder]: For program point L155-1(line 155) no Hoare annotation was computed. [2022-07-19 17:23:34,257 INFO L895 garLoopResultBuilder]: At program point L168(line 168) the Hoare annotation is: (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 0 ~methaneLevelCritical~0)) (= 0 ~systemActive~0)) [2022-07-19 17:23:34,257 INFO L895 garLoopResultBuilder]: At program point L168-1(lines 149 173) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~systemActive~0))) (and (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 .cse1) (and .cse2 .cse3) (and .cse3 .cse0) (not (<= 0 ~methaneLevelCritical~0)) (and (<= 2 ~waterLevel~0) .cse1) .cse4)) (or (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse0) (not (<= 1 ~methaneLevelCritical~0)) (and .cse2 .cse0) .cse4))) [2022-07-19 17:23:34,258 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 65 88) no Hoare annotation was computed. [2022-07-19 17:23:34,258 INFO L899 garLoopResultBuilder]: For program point L69-1(lines 68 87) no Hoare annotation was computed. [2022-07-19 17:23:34,258 INFO L899 garLoopResultBuilder]: For program point L887(lines 887 891) no Hoare annotation was computed. [2022-07-19 17:23:34,258 INFO L899 garLoopResultBuilder]: For program point L1015(line 1015) no Hoare annotation was computed. [2022-07-19 17:23:34,258 INFO L895 garLoopResultBuilder]: At program point L887-2(lines 883 894) the Hoare annotation is: (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) (not (<= 0 ~methaneLevelCritical~0)) (= 0 ~systemActive~0)) [2022-07-19 17:23:34,258 INFO L895 garLoopResultBuilder]: At program point L991(line 991) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= ~pumpRunning~0 0)) (.cse4 (= 0 ~systemActive~0))) (and (let ((.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (or (and .cse0 .cse1) (and .cse2 .cse3) (and .cse3 .cse0) (not (<= 0 ~methaneLevelCritical~0)) (and (<= 2 ~waterLevel~0) .cse1) .cse4)) (or (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) .cse0) (not (<= 1 ~methaneLevelCritical~0)) (and .cse2 .cse0) .cse4))) [2022-07-19 17:23:34,258 INFO L895 garLoopResultBuilder]: At program point L223(lines 218 226) the Hoare annotation is: (let ((.cse2 (= 0 ~systemActive~0))) (and (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |timeShift_isPumpRunning_#res#1| 0))) (or (not (<= 1 ~methaneLevelCritical~0)) (and (<= 1 |timeShift_processEnvironment_~tmp~2#1|) (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) .cse2)) (or (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse2))) [2022-07-19 17:23:34,258 INFO L899 garLoopResultBuilder]: For program point L991-1(line 991) no Hoare annotation was computed. [2022-07-19 17:23:34,258 INFO L899 garLoopResultBuilder]: For program point L157(lines 157 165) no Hoare annotation was computed. [2022-07-19 17:23:34,258 INFO L899 garLoopResultBuilder]: For program point L153(lines 153 170) no Hoare annotation was computed. [2022-07-19 17:23:34,258 INFO L895 garLoopResultBuilder]: At program point L1016(lines 1011 1018) the Hoare annotation is: (or (not (<= 0 ~methaneLevelCritical~0)) (= 0 ~systemActive~0)) [2022-07-19 17:23:34,258 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 65 88) the Hoare annotation is: (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 0 ~methaneLevelCritical~0)) (= 0 ~systemActive~0)) [2022-07-19 17:23:34,258 INFO L899 garLoopResultBuilder]: For program point L76-1(lines 76 82) no Hoare annotation was computed. [2022-07-19 17:23:34,259 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 65 88) no Hoare annotation was computed. [2022-07-19 17:23:34,259 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1015) no Hoare annotation was computed. [2022-07-19 17:23:34,259 INFO L899 garLoopResultBuilder]: For program point L997(lines 997 1003) no Hoare annotation was computed. [2022-07-19 17:23:34,259 INFO L895 garLoopResultBuilder]: At program point L163(line 163) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) (not (<= 0 ~methaneLevelCritical~0)) .cse0))) [2022-07-19 17:23:34,259 INFO L899 garLoopResultBuilder]: For program point L353(lines 353 366) no Hoare annotation was computed. [2022-07-19 17:23:34,259 INFO L895 garLoopResultBuilder]: At program point L345(line 345) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= ~methaneLevelCritical~0 0) .cse1 (<= 0 ~methaneLevelCritical~0) .cse2 .cse3))) [2022-07-19 17:23:34,259 INFO L902 garLoopResultBuilder]: At program point L374(lines 313 378) the Hoare annotation is: true [2022-07-19 17:23:34,259 INFO L902 garLoopResultBuilder]: At program point L853(lines 846 855) the Hoare annotation is: true [2022-07-19 17:23:34,259 INFO L899 garLoopResultBuilder]: For program point L333(lines 333 339) no Hoare annotation was computed. [2022-07-19 17:23:34,259 INFO L899 garLoopResultBuilder]: For program point L333-1(lines 333 339) no Hoare annotation was computed. [2022-07-19 17:23:34,259 INFO L899 garLoopResultBuilder]: For program point L325(lines 325 329) no Hoare annotation was computed. [2022-07-19 17:23:34,260 INFO L899 garLoopResultBuilder]: For program point L866(lines 866 873) no Hoare annotation was computed. [2022-07-19 17:23:34,260 INFO L899 garLoopResultBuilder]: For program point L866-2(lines 866 873) no Hoare annotation was computed. [2022-07-19 17:23:34,260 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-19 17:23:34,260 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-19 17:23:34,260 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-19 17:23:34,260 INFO L895 garLoopResultBuilder]: At program point L371(lines 322 372) the Hoare annotation is: false [2022-07-19 17:23:34,260 INFO L902 garLoopResultBuilder]: At program point L875(lines 856 878) the Hoare annotation is: true [2022-07-19 17:23:34,260 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-19 17:23:34,260 INFO L895 garLoopResultBuilder]: At program point L413(lines 408 416) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:23:34,260 INFO L899 garLoopResultBuilder]: For program point L343(lines 343 349) no Hoare annotation was computed. [2022-07-19 17:23:34,260 INFO L899 garLoopResultBuilder]: For program point L343-1(lines 343 349) no Hoare annotation was computed. [2022-07-19 17:23:34,260 INFO L895 garLoopResultBuilder]: At program point L405(lines 401 407) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:23:34,261 INFO L895 garLoopResultBuilder]: At program point L306(lines 301 308) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_main_~tmp~10#1| 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:23:34,261 INFO L895 garLoopResultBuilder]: At program point L368(lines 323 370) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= ~methaneLevelCritical~0 0) .cse1 (<= 0 ~methaneLevelCritical~0) .cse2 .cse3))) [2022-07-19 17:23:34,261 INFO L895 garLoopResultBuilder]: At program point L335(line 335) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse2 (= |ULTIMATE.start_main_~tmp~10#1| 1)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1 .cse2 .cse3) (and .cse0 (<= ~methaneLevelCritical~0 0) .cse1 (<= 0 ~methaneLevelCritical~0) .cse2 .cse3))) [2022-07-19 17:23:34,261 INFO L895 garLoopResultBuilder]: At program point L843(lines 839 845) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~10#1| 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:23:34,261 INFO L895 garLoopResultBuilder]: At program point L398(lines 394 400) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 0) (<= 0 ~methaneLevelCritical~0) (= ~waterLevel~0 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:23:34,261 INFO L899 garLoopResultBuilder]: For program point L361(lines 361 365) no Hoare annotation was computed. [2022-07-19 17:23:34,261 INFO L895 garLoopResultBuilder]: At program point L361-2(lines 353 366) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 0 ~methaneLevelCritical~0) (= |ULTIMATE.start_main_~tmp~10#1| 1) (not (= 0 ~systemActive~0))) [2022-07-19 17:23:34,261 INFO L899 garLoopResultBuilder]: For program point L324(lines 323 370) no Hoare annotation was computed. [2022-07-19 17:23:34,261 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 97 121) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 .cse1) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1))) [2022-07-19 17:23:34,261 INFO L895 garLoopResultBuilder]: At program point L116(line 116) the Hoare annotation is: (let ((.cse0 (not (<= 0 ~methaneLevelCritical~0))) (.cse1 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (<= ~methaneLevelCritical~0 0)) .cse0 .cse1) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 .cse1))) [2022-07-19 17:23:34,261 INFO L899 garLoopResultBuilder]: For program point L116-1(lines 97 121) no Hoare annotation was computed. [2022-07-19 17:23:34,262 INFO L895 garLoopResultBuilder]: At program point L969(lines 960 973) the Hoare annotation is: (let ((.cse6 (= ~pumpRunning~0 0))) (let ((.cse0 (and .cse6 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterSensorDry_#res#1| 1))) (.cse3 (and .cse6 (<= 2 ~waterLevel~0))) (.cse5 (= |old(~pumpRunning~0)| 0)) (.cse1 (not (<= ~methaneLevelCritical~0 0))) (.cse2 (not (<= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not .cse5) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4) (or .cse5 .cse1 .cse2 .cse4)))) [2022-07-19 17:23:34,262 INFO L899 garLoopResultBuilder]: For program point L189(lines 189 195) no Hoare annotation was computed. [2022-07-19 17:23:34,262 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 97 121) no Hoare annotation was computed. [2022-07-19 17:23:34,262 INFO L895 garLoopResultBuilder]: At program point L187(line 187) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= 0 ~systemActive~0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse2) (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) (and .cse0 .cse1) .cse2))) [2022-07-19 17:23:34,262 INFO L895 garLoopResultBuilder]: At program point L189-2(lines 182 198) the Hoare annotation is: (let ((.cse1 (not (<= ~methaneLevelCritical~0 0))) (.cse2 (not (<= 0 ~methaneLevelCritical~0))) (.cse0 (<= 2 ~waterLevel~0)) (.cse4 (= |old(~pumpRunning~0)| 0)) (.cse3 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or (and (= ~pumpRunning~0 0) (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__highWaterSensor_activatePump_~tmp~3#1|) .cse0) (not .cse4) (not (<= 1 ~methaneLevelCritical~0)) .cse3))) [2022-07-19 17:23:34,262 INFO L899 garLoopResultBuilder]: For program point L187-1(line 187) no Hoare annotation was computed. [2022-07-19 17:23:34,262 INFO L895 garLoopResultBuilder]: At program point L278(lines 263 281) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~pumpRunning~0 0))) (let ((.cse0 (and .cse4 .cse1 (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_#res#1| 0) (= |processEnvironment__wrappee__highWaterSensor_isHighWaterLevel_~tmp___0~0#1| 0))) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= 0 ~systemActive~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse1 .cse2) .cse3) (or .cse0 (and .cse4 .cse1 .cse2) (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse3)))) [2022-07-19 17:23:34,262 INFO L895 garLoopResultBuilder]: At program point L179(lines 174 181) the Hoare annotation is: (let ((.cse3 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (<= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 0 ~methaneLevelCritical~0))) (.cse2 (= 0 ~systemActive~0))) (and (or (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (or (not .cse3) (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse3 .cse0 .cse1 .cse2))) [2022-07-19 17:23:34,262 INFO L899 garLoopResultBuilder]: For program point L272(lines 272 276) no Hoare annotation was computed. [2022-07-19 17:23:34,262 INFO L895 garLoopResultBuilder]: At program point L111(line 111) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0)))) (and (or (not (= |old(~pumpRunning~0)| 0)) (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse0 .cse1))) [2022-07-19 17:23:34,262 INFO L899 garLoopResultBuilder]: For program point L272-2(lines 272 276) no Hoare annotation was computed. [2022-07-19 17:23:34,262 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 113) no Hoare annotation was computed. [2022-07-19 17:23:34,262 INFO L899 garLoopResultBuilder]: For program point L101(lines 101 118) no Hoare annotation was computed. [2022-07-19 17:23:34,263 INFO L899 garLoopResultBuilder]: For program point L964(lines 964 970) no Hoare annotation was computed. [2022-07-19 17:23:34,263 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 895 906) no Hoare annotation was computed. [2022-07-19 17:23:34,263 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 895 906) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0))) (and (or (not (<= ~methaneLevelCritical~0 0)) (not (<= 0 ~methaneLevelCritical~0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2022-07-19 17:23:34,263 INFO L899 garLoopResultBuilder]: For program point L899-1(lines 895 906) no Hoare annotation was computed. [2022-07-19 17:23:34,263 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 207 217) the Hoare annotation is: true [2022-07-19 17:23:34,263 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 207 217) no Hoare annotation was computed. [2022-07-19 17:23:34,263 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 207 217) no Hoare annotation was computed. [2022-07-19 17:23:34,263 INFO L902 garLoopResultBuilder]: At program point L212(line 212) the Hoare annotation is: true [2022-07-19 17:23:34,263 INFO L899 garLoopResultBuilder]: For program point L212-1(line 212) no Hoare annotation was computed. [2022-07-19 17:23:34,266 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-19 17:23:34,270 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-19 17:23:34,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 05:23:34 BoogieIcfgContainer [2022-07-19 17:23:34,297 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-19 17:23:34,298 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-19 17:23:34,298 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-19 17:23:34,298 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-19 17:23:34,299 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 05:23:26" (3/4) ... [2022-07-19 17:23:34,301 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-19 17:23:34,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-07-19 17:23:34,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-19 17:23:34,307 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-19 17:23:34,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-19 17:23:34,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-19 17:23:34,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-19 17:23:34,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor [2022-07-19 17:23:34,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-19 17:23:34,308 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-19 17:23:34,309 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-19 17:23:34,316 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 52 nodes and edges [2022-07-19 17:23:34,317 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-19 17:23:34,317 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-19 17:23:34,318 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-19 17:23:34,318 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-19 17:23:34,319 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:23:34,319 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-19 17:23:34,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && \result == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) [2022-07-19 17:23:34,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) [2022-07-19 17:23:34,341 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || (((((\result == 1 && methaneLevelCritical <= 0) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && tmp == 1) && !(0 == systemActive)) [2022-07-19 17:23:34,342 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive [2022-07-19 17:23:34,342 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && \old(waterLevel) == waterLevel) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) || (!(\old(pumpRunning) == 0) && pumpRunning == 0)) || !(0 <= methaneLevelCritical)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) || 0 == systemActive) && ((((1 <= tmp && pumpRunning == 0) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive) [2022-07-19 17:23:34,343 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel)) || 0 == systemActive) && (((((((((2 <= waterLevel && 0 < tmp + 1) && \old(waterLevel) == waterLevel) && tmp <= 0) || (((!(\old(pumpRunning) == 0) && pumpRunning == 0) && 0 < tmp + 1) && tmp <= 0)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && 0 < tmp + 1) && tmp <= 0)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 0 < tmp + 1) && \old(waterLevel) == waterLevel) && tmp <= 0)) [2022-07-19 17:23:34,343 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && splverifierCounter == 0) && 0 <= methaneLevelCritical) && tmp == 1) && !(0 == systemActive) [2022-07-19 17:23:34,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 <= methaneLevelCritical) || (((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && \result == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && \old(waterLevel) == waterLevel)) || 0 == systemActive) && ((!(methaneLevelCritical <= 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) [2022-07-19 17:23:34,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (((\old(pumpRunning) == 0 || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((((pumpRunning == 0 && methaneLevelCritical <= tmp) && 2 <= waterLevel) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) [2022-07-19 17:23:34,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((\old(pumpRunning) == 0 || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) [2022-07-19 17:23:34,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) [2022-07-19 17:23:34,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && \result == 1) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive)) && (((\old(pumpRunning) == 0 || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) [2022-07-19 17:23:34,344 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) [2022-07-19 17:23:34,345 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\old(pumpRunning) == 0) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && tmp___0 == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && tmp___0 == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) [2022-07-19 17:23:34,370 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-19 17:23:34,371 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-19 17:23:34,372 INFO L158 Benchmark]: Toolchain (without parser) took 9149.00ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 70.7MB in the beginning and 37.7MB in the end (delta: 33.0MB). Peak memory consumption was 54.7MB. Max. memory is 16.1GB. [2022-07-19 17:23:34,372 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory was 77.9MB in the beginning and 77.9MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 17:23:34,372 INFO L158 Benchmark]: CACSL2BoogieTranslator took 447.39ms. Allocated memory is still 107.0MB. Free memory was 70.5MB in the beginning and 74.2MB in the end (delta: -3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-19 17:23:34,372 INFO L158 Benchmark]: Boogie Procedure Inliner took 54.93ms. Allocated memory is still 107.0MB. Free memory was 74.2MB in the beginning and 71.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-19 17:23:34,373 INFO L158 Benchmark]: Boogie Preprocessor took 35.18ms. Allocated memory is still 107.0MB. Free memory was 71.5MB in the beginning and 70.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-19 17:23:34,373 INFO L158 Benchmark]: RCFGBuilder took 452.07ms. Allocated memory is still 107.0MB. Free memory was 70.0MB in the beginning and 52.2MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-07-19 17:23:34,373 INFO L158 Benchmark]: TraceAbstraction took 8080.71ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 51.7MB in the beginning and 43.9MB in the end (delta: 7.7MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. [2022-07-19 17:23:34,373 INFO L158 Benchmark]: Witness Printer took 73.31ms. Allocated memory is still 130.0MB. Free memory was 43.9MB in the beginning and 37.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-19 17:23:34,375 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 107.0MB. Free memory was 77.9MB in the beginning and 77.9MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 447.39ms. Allocated memory is still 107.0MB. Free memory was 70.5MB in the beginning and 74.2MB in the end (delta: -3.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 54.93ms. Allocated memory is still 107.0MB. Free memory was 74.2MB in the beginning and 71.5MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 35.18ms. Allocated memory is still 107.0MB. Free memory was 71.5MB in the beginning and 70.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 452.07ms. Allocated memory is still 107.0MB. Free memory was 70.0MB in the beginning and 52.2MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 8080.71ms. Allocated memory was 107.0MB in the beginning and 130.0MB in the end (delta: 23.1MB). Free memory was 51.7MB in the beginning and 43.9MB in the end (delta: 7.7MB). Peak memory consumption was 47.1MB. Max. memory is 16.1GB. * Witness Printer took 73.31ms. Allocated memory is still 130.0MB. Free memory was 43.9MB in the beginning and 37.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1015]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 11 procedures, 109 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 8.0s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1417 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1372 mSDsluCounter, 4715 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3204 mSDsCounter, 426 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1597 IncrementalHoareTripleChecker+Invalid, 2023 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 426 mSolverCounterUnsat, 1511 mSDtfsCounter, 1597 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 413 GetRequests, 309 SyntacticMatches, 3 SemanticMatches, 101 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 220 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=637occurred in iteration=9, InterpolantAutomatonStates: 86, 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, 11 MinimizatonAttempts, 67 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 50 LocationsWithAnnotation, 1412 PreInvPairs, 1618 NumberOfFragments, 1297 HoareAnnotationTreeSize, 1412 FomulaSimplifications, 36 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 50 FomulaSimplificationsInter, 10105 FormulaSimplificationTreeSizeReductionInter, 2.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 796 NumberOfCodeBlocks, 796 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 783 ConstructedInterpolants, 0 QuantifiedInterpolants, 1587 SizeOfPredicates, 6 NumberOfNonLiveVariables, 922 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 111/116 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 - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 149]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && \old(waterLevel) == waterLevel) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) || (!(\old(pumpRunning) == 0) && pumpRunning == 0)) || !(0 <= methaneLevelCritical)) || (2 <= waterLevel && \old(waterLevel) == waterLevel)) || 0 == systemActive) && ((((1 <= tmp && pumpRunning == 0) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) || 0 == systemActive) - InvariantResult [Line: 218]: Loop Invariant Derived loop invariant: (((!(1 <= methaneLevelCritical) || (((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) && \result == 0)) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && \old(waterLevel) == waterLevel)) || 0 == systemActive) && ((!(methaneLevelCritical <= 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 785]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: ((((!(\old(pumpRunning) == 0) || (((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && tmp___0 == 0)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0) && tmp___0 == 0) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 323]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && 1 <= methaneLevelCritical) && \result == 1) && splverifierCounter == 0) && tmp == 1) && !(0 == systemActive)) || (((((\result == 1 && methaneLevelCritical <= 0) && splverifierCounter == 0) && 0 <= methaneLevelCritical) && tmp == 1) && !(0 == systemActive)) - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && \result == 1) && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 795]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: (((((1 <= tmp && !(\old(pumpRunning) == 0)) && pumpRunning == 0) || !(1 <= methaneLevelCritical)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \old(waterLevel) == waterLevel)) || 0 == systemActive) && (((((((((2 <= waterLevel && 0 < tmp + 1) && \old(waterLevel) == waterLevel) && tmp <= 0) || (((!(\old(pumpRunning) == 0) && pumpRunning == 0) && 0 < tmp + 1) && tmp <= 0)) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) || (((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) && 0 < tmp + 1) && tmp <= 0)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 0 < tmp + 1) && \old(waterLevel) == waterLevel) && tmp <= 0)) - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: (((\result == 1 && splverifierCounter == 0) && 0 <= methaneLevelCritical) && tmp == 1) && !(0 == systemActive) - InvariantResult [Line: 960]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && \result == 1) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 1)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || 0 == systemActive)) && (((\old(pumpRunning) == 0 || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 182]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && (((\old(pumpRunning) == 0 || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive)) && (((((pumpRunning == 0 && methaneLevelCritical <= tmp) && 2 <= waterLevel) || !(\old(pumpRunning) == 0)) || !(1 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 856]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 401]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 322]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1011]: Loop Invariant Derived loop invariant: !(0 <= methaneLevelCritical) || 0 == systemActive - InvariantResult [Line: 394]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical <= 0) && 0 <= methaneLevelCritical) && waterLevel == 1) && !(0 == systemActive) - InvariantResult [Line: 974]: Loop Invariant Derived loop invariant: (((pumpRunning == \old(pumpRunning) || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(0 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: ((pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive - InvariantResult [Line: 174]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) && ((!(\old(pumpRunning) == 0) || !(1 <= methaneLevelCritical)) || 0 == systemActive)) && (((\old(pumpRunning) == 0 || !(methaneLevelCritical <= 0)) || !(0 <= methaneLevelCritical)) || 0 == systemActive) - InvariantResult [Line: 313]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-07-19 17:23:34,430 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE