./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 35987657 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_spec2_product45.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 69f20c6619059452dea710c235d91f0e8ca980fcacc48c7e37668ab8a6397c50 --- Real Ultimate output --- This is Ultimate 0.2.2-?-3598765 [2022-07-21 05:00:18,890 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-21 05:00:18,891 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-21 05:00:18,939 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-21 05:00:18,940 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-21 05:00:18,941 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-21 05:00:18,944 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-21 05:00:18,947 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-21 05:00:18,961 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-21 05:00:18,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-21 05:00:18,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-21 05:00:18,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-21 05:00:18,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-21 05:00:18,968 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-21 05:00:18,970 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-21 05:00:18,974 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-21 05:00:18,975 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-21 05:00:18,976 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-21 05:00:18,977 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-21 05:00:18,981 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-21 05:00:18,982 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-21 05:00:18,983 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-21 05:00:18,985 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-21 05:00:18,985 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-21 05:00:19,000 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-21 05:00:19,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-21 05:00:19,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-21 05:00:19,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-21 05:00:19,007 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-21 05:00:19,007 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-21 05:00:19,008 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-21 05:00:19,008 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-21 05:00:19,009 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-21 05:00:19,010 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-21 05:00:19,011 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-21 05:00:19,012 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-21 05:00:19,012 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-21 05:00:19,012 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-21 05:00:19,012 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-21 05:00:19,013 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-21 05:00:19,013 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-21 05:00:19,014 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-21 05:00:19,021 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-21 05:00:19,060 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-21 05:00:19,061 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-21 05:00:19,061 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-21 05:00:19,061 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-21 05:00:19,062 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-21 05:00:19,062 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-21 05:00:19,063 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-21 05:00:19,063 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-21 05:00:19,063 INFO L138 SettingsManager]: * Use SBE=true [2022-07-21 05:00:19,064 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-21 05:00:19,079 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-21 05:00:19,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-21 05:00:19,080 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-21 05:00:19,087 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-21 05:00:19,087 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-21 05:00:19,088 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-21 05:00:19,088 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-21 05:00:19,088 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-21 05:00:19,088 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-21 05:00:19,088 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-21 05:00:19,089 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-21 05:00:19,089 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-21 05:00:19,089 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-21 05:00:19,089 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-21 05:00:19,089 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:00:19,090 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-21 05:00:19,090 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-21 05:00:19,090 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-21 05:00:19,090 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-21 05:00:19,090 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-21 05:00:19,091 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-21 05:00:19,091 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-21 05:00:19,091 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-21 05:00:19,091 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 69f20c6619059452dea710c235d91f0e8ca980fcacc48c7e37668ab8a6397c50 [2022-07-21 05:00:19,489 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-21 05:00:19,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-21 05:00:19,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-21 05:00:19,514 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-21 05:00:19,515 INFO L275 PluginConnector]: CDTParser initialized [2022-07-21 05:00:19,517 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2022-07-21 05:00:19,588 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf6d95383/53e066f40a364c76b96b6a617418b8f5/FLAG215cfef1e [2022-07-21 05:00:20,228 INFO L306 CDTParser]: Found 1 translation units. [2022-07-21 05:00:20,228 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec2_product45.cil.c [2022-07-21 05:00:20,242 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf6d95383/53e066f40a364c76b96b6a617418b8f5/FLAG215cfef1e [2022-07-21 05:00:20,593 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cf6d95383/53e066f40a364c76b96b6a617418b8f5 [2022-07-21 05:00:20,595 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-21 05:00:20,596 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-21 05:00:20,599 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-21 05:00:20,599 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-21 05:00:20,602 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-21 05:00:20,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:00:20" (1/1) ... [2022-07-21 05:00:20,603 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7835b1e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:20, skipping insertion in model container [2022-07-21 05:00:20,603 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 05:00:20" (1/1) ... [2022-07-21 05:00:20,608 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-21 05:00:20,637 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-21 05:00:20,885 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_spec2_product45.cil.c[11292,11305] [2022-07-21 05:00:20,992 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:00:21,009 INFO L203 MainTranslator]: Completed pre-run [2022-07-21 05:00:21,038 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_spec2_product45.cil.c[11292,11305] [2022-07-21 05:00:21,058 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-21 05:00:21,071 INFO L208 MainTranslator]: Completed translation [2022-07-21 05:00:21,071 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21 WrapperNode [2022-07-21 05:00:21,071 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-21 05:00:21,072 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-21 05:00:21,072 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-21 05:00:21,072 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-21 05:00:21,078 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (1/1) ... [2022-07-21 05:00:21,088 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (1/1) ... [2022-07-21 05:00:21,108 INFO L137 Inliner]: procedures = 55, calls = 156, calls flagged for inlining = 22, calls inlined = 19, statements flattened = 246 [2022-07-21 05:00:21,108 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-21 05:00:21,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-21 05:00:21,109 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-21 05:00:21,109 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-21 05:00:21,116 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (1/1) ... [2022-07-21 05:00:21,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (1/1) ... [2022-07-21 05:00:21,118 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (1/1) ... [2022-07-21 05:00:21,118 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (1/1) ... [2022-07-21 05:00:21,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (1/1) ... [2022-07-21 05:00:21,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (1/1) ... [2022-07-21 05:00:21,128 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (1/1) ... [2022-07-21 05:00:21,129 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-21 05:00:21,130 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-21 05:00:21,130 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-21 05:00:21,130 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-21 05:00:21,131 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (1/1) ... [2022-07-21 05:00:21,136 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-21 05:00:21,146 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:00:21,159 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) [2022-07-21 05:00:21,165 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 [2022-07-21 05:00:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-21 05:00:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-21 05:00:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-21 05:00:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-21 05:00:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-21 05:00:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-21 05:00:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-21 05:00:21,222 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-21 05:00:21,222 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-21 05:00:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-21 05:00:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-21 05:00:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-21 05:00:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-21 05:00:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-21 05:00:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-21 05:00:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-21 05:00:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-21 05:00:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-21 05:00:21,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-21 05:00:21,223 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-21 05:00:21,327 INFO L234 CfgBuilder]: Building ICFG [2022-07-21 05:00:21,329 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-21 05:00:21,623 INFO L275 CfgBuilder]: Performing block encoding [2022-07-21 05:00:21,633 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-21 05:00:21,635 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-21 05:00:21,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:00:21 BoogieIcfgContainer [2022-07-21 05:00:21,638 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-21 05:00:21,639 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-21 05:00:21,640 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-21 05:00:21,642 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-21 05:00:21,642 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 05:00:20" (1/3) ... [2022-07-21 05:00:21,642 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0d21cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:00:21, skipping insertion in model container [2022-07-21 05:00:21,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 05:00:21" (2/3) ... [2022-07-21 05:00:21,643 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e0d21cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 05:00:21, skipping insertion in model container [2022-07-21 05:00:21,643 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:00:21" (3/3) ... [2022-07-21 05:00:21,644 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45.cil.c [2022-07-21 05:00:21,654 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-21 05:00:21,654 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-21 05:00:21,701 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-21 05:00:21,707 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@1b0fb3be, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@d552e56 [2022-07-21 05:00:21,707 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-21 05:00:21,721 INFO L276 IsEmpty]: Start isEmpty. Operand has 95 states, 71 states have (on average 1.380281690140845) internal successors, (98), 79 states have internal predecessors, (98), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) [2022-07-21 05:00:21,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-21 05:00:21,729 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:21,730 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] [2022-07-21 05:00:21,730 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:21,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:21,736 INFO L85 PathProgramCache]: Analyzing trace with hash 1869668402, now seen corresponding path program 1 times [2022-07-21 05:00:21,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:21,743 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661010682] [2022-07-21 05:00:21,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:21,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:21,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-21 05:00:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:21,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:21,950 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:21,951 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661010682] [2022-07-21 05:00:21,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661010682] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:21,952 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:21,952 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-21 05:00:21,955 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806276656] [2022-07-21 05:00:21,956 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:21,960 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-21 05:00:21,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:21,981 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-21 05:00:21,983 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-21 05:00:21,986 INFO L87 Difference]: Start difference. First operand has 95 states, 71 states have (on average 1.380281690140845) internal successors, (98), 79 states have internal predecessors, (98), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 12 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-07-21 05:00:22,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:22,023 INFO L93 Difference]: Finished difference Result 181 states and 246 transitions. [2022-07-21 05:00:22,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-21 05:00:22,025 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2022-07-21 05:00:22,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:22,031 INFO L225 Difference]: With dead ends: 181 [2022-07-21 05:00:22,032 INFO L226 Difference]: Without dead ends: 86 [2022-07-21 05:00:22,035 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 [2022-07-21 05:00:22,038 INFO L413 NwaCegarLoop]: 120 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, 120 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 [2022-07-21 05:00:22,041 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 120 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:00:22,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2022-07-21 05:00:22,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2022-07-21 05:00:22,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 64 states have (on average 1.3125) internal successors, (84), 71 states have internal predecessors, (84), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-07-21 05:00:22,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 111 transitions. [2022-07-21 05:00:22,077 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 111 transitions. Word has length 25 [2022-07-21 05:00:22,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:22,078 INFO L495 AbstractCegarLoop]: Abstraction has 86 states and 111 transitions. [2022-07-21 05:00:22,078 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2022-07-21 05:00:22,078 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 111 transitions. [2022-07-21 05:00:22,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-21 05:00:22,080 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:22,080 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] [2022-07-21 05:00:22,080 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-21 05:00:22,080 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:22,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:22,081 INFO L85 PathProgramCache]: Analyzing trace with hash 224653099, now seen corresponding path program 1 times [2022-07-21 05:00:22,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:22,081 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970572935] [2022-07-21 05:00:22,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:22,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:22,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-21 05:00:22,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:22,159 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:22,160 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970572935] [2022-07-21 05:00:22,160 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970572935] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:22,160 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:22,161 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 05:00:22,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636950581] [2022-07-21 05:00:22,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:22,162 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 05:00:22,163 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:22,163 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 05:00:22,163 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:00:22,164 INFO L87 Difference]: Start difference. First operand 86 states and 111 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-07-21 05:00:22,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:22,192 INFO L93 Difference]: Finished difference Result 137 states and 177 transitions. [2022-07-21 05:00:22,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 05:00:22,194 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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 26 [2022-07-21 05:00:22,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:22,196 INFO L225 Difference]: With dead ends: 137 [2022-07-21 05:00:22,197 INFO L226 Difference]: Without dead ends: 77 [2022-07-21 05:00:22,198 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 [2022-07-21 05:00:22,200 INFO L413 NwaCegarLoop]: 98 mSDtfsCounter, 12 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 180 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 [2022-07-21 05:00:22,201 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 180 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:00:22,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-07-21 05:00:22,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-07-21 05:00:22,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.3275862068965518) internal successors, (77), 65 states have internal predecessors, (77), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-21 05:00:22,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 99 transitions. [2022-07-21 05:00:22,217 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 99 transitions. Word has length 26 [2022-07-21 05:00:22,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:22,218 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 99 transitions. [2022-07-21 05:00:22,218 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 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) [2022-07-21 05:00:22,218 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 99 transitions. [2022-07-21 05:00:22,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-07-21 05:00:22,219 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:22,219 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] [2022-07-21 05:00:22,220 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-21 05:00:22,220 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:22,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:22,220 INFO L85 PathProgramCache]: Analyzing trace with hash 13787135, now seen corresponding path program 1 times [2022-07-21 05:00:22,220 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:22,221 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1242712340] [2022-07-21 05:00:22,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:22,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:22,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 05:00:22,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:22,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:22,286 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1242712340] [2022-07-21 05:00:22,286 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1242712340] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:22,287 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:22,287 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-21 05:00:22,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [211565859] [2022-07-21 05:00:22,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:22,287 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-21 05:00:22,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:22,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-21 05:00:22,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:00:22,289 INFO L87 Difference]: Start difference. First operand 77 states and 99 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-07-21 05:00:22,300 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:22,301 INFO L93 Difference]: Finished difference Result 146 states and 191 transitions. [2022-07-21 05:00:22,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-21 05:00:22,301 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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 30 [2022-07-21 05:00:22,301 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:22,302 INFO L225 Difference]: With dead ends: 146 [2022-07-21 05:00:22,302 INFO L226 Difference]: Without dead ends: 77 [2022-07-21 05:00:22,303 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-21 05:00:22,304 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 80 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 97 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 [2022-07-21 05:00:22,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 97 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-21 05:00:22,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-07-21 05:00:22,312 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-07-21 05:00:22,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 58 states have (on average 1.3103448275862069) internal successors, (76), 65 states have internal predecessors, (76), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-07-21 05:00:22,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 98 transitions. [2022-07-21 05:00:22,316 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 98 transitions. Word has length 30 [2022-07-21 05:00:22,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:22,316 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 98 transitions. [2022-07-21 05:00:22,317 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 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) [2022-07-21 05:00:22,317 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 98 transitions. [2022-07-21 05:00:22,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-07-21 05:00:22,320 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:22,320 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] [2022-07-21 05:00:22,321 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-21 05:00:22,321 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:22,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:22,323 INFO L85 PathProgramCache]: Analyzing trace with hash 689914158, now seen corresponding path program 1 times [2022-07-21 05:00:22,323 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:22,323 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822624316] [2022-07-21 05:00:22,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:22,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:22,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 05:00:22,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,382 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:00:22,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,385 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-21 05:00:22,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,388 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:22,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:22,388 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822624316] [2022-07-21 05:00:22,389 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822624316] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:22,389 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:22,389 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-21 05:00:22,389 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211319688] [2022-07-21 05:00:22,389 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:22,390 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-21 05:00:22,390 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:22,390 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-21 05:00:22,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-21 05:00:22,390 INFO L87 Difference]: Start difference. First operand 77 states and 98 transitions. Second operand has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-21 05:00:22,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:22,576 INFO L93 Difference]: Finished difference Result 226 states and 288 transitions. [2022-07-21 05:00:22,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-21 05:00:22,577 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 40 [2022-07-21 05:00:22,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:22,581 INFO L225 Difference]: With dead ends: 226 [2022-07-21 05:00:22,581 INFO L226 Difference]: Without dead ends: 157 [2022-07-21 05:00:22,583 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2022-07-21 05:00:22,591 INFO L413 NwaCegarLoop]: 134 mSDtfsCounter, 181 mSDsluCounter, 168 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 302 SdHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 58 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:22,593 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [183 Valid, 302 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:00:22,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2022-07-21 05:00:22,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 151. [2022-07-21 05:00:22,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 114 states have (on average 1.2719298245614035) internal successors, (145), 122 states have internal predecessors, (145), 18 states have call successors, (18), 15 states have call predecessors, (18), 18 states have return successors, (23), 19 states have call predecessors, (23), 18 states have call successors, (23) [2022-07-21 05:00:22,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 186 transitions. [2022-07-21 05:00:22,618 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 186 transitions. Word has length 40 [2022-07-21 05:00:22,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:22,618 INFO L495 AbstractCegarLoop]: Abstraction has 151 states and 186 transitions. [2022-07-21 05:00:22,618 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.6) internal successors, (33), 5 states have internal predecessors, (33), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2022-07-21 05:00:22,619 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 186 transitions. [2022-07-21 05:00:22,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2022-07-21 05:00:22,623 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:22,624 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:22,624 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-21 05:00:22,624 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:22,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:22,625 INFO L85 PathProgramCache]: Analyzing trace with hash 603540022, now seen corresponding path program 1 times [2022-07-21 05:00:22,625 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:22,625 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [318805736] [2022-07-21 05:00:22,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:22,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:22,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,707 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 05:00:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 05:00:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,716 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-21 05:00:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:22,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:22,726 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:22,726 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [318805736] [2022-07-21 05:00:22,726 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [318805736] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:22,726 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:22,727 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 05:00:22,727 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [920673857] [2022-07-21 05:00:22,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:22,727 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 05:00:22,728 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:22,728 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 05:00:22,728 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:00:22,728 INFO L87 Difference]: Start difference. First operand 151 states and 186 transitions. Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-21 05:00:22,957 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:22,957 INFO L93 Difference]: Finished difference Result 437 states and 546 transitions. [2022-07-21 05:00:22,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2022-07-21 05:00:22,958 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) Word has length 46 [2022-07-21 05:00:22,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:22,960 INFO L225 Difference]: With dead ends: 437 [2022-07-21 05:00:22,960 INFO L226 Difference]: Without dead ends: 294 [2022-07-21 05:00:22,961 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=157, Unknown=0, NotChecked=0, Total=210 [2022-07-21 05:00:22,961 INFO L413 NwaCegarLoop]: 96 mSDtfsCounter, 148 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 227 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 422 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 227 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:22,961 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 422 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 227 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:00:22,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2022-07-21 05:00:22,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 280. [2022-07-21 05:00:22,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 280 states, 207 states have (on average 1.2318840579710144) internal successors, (255), 222 states have internal predecessors, (255), 36 states have call successors, (36), 30 states have call predecessors, (36), 36 states have return successors, (48), 38 states have call predecessors, (48), 36 states have call successors, (48) [2022-07-21 05:00:22,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 280 states and 339 transitions. [2022-07-21 05:00:22,981 INFO L78 Accepts]: Start accepts. Automaton has 280 states and 339 transitions. Word has length 46 [2022-07-21 05:00:22,981 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:22,981 INFO L495 AbstractCegarLoop]: Abstraction has 280 states and 339 transitions. [2022-07-21 05:00:22,981 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 5 states have internal predecessors, (39), 2 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 3 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-21 05:00:22,981 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 339 transitions. [2022-07-21 05:00:22,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2022-07-21 05:00:22,982 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:22,982 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] [2022-07-21 05:00:22,983 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-21 05:00:22,983 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:22,983 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:22,983 INFO L85 PathProgramCache]: Analyzing trace with hash 735697106, now seen corresponding path program 1 times [2022-07-21 05:00:22,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:22,984 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853917154] [2022-07-21 05:00:22,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:22,992 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,064 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 05:00:23,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,072 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 05:00:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,112 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 05:00:23,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,115 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-21 05:00:23,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:23,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:23,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853917154] [2022-07-21 05:00:23,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853917154] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:23,118 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:23,118 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 05:00:23,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000189020] [2022-07-21 05:00:23,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:23,119 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 05:00:23,119 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:23,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 05:00:23,119 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:00:23,119 INFO L87 Difference]: Start difference. First operand 280 states and 339 transitions. Second operand has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-21 05:00:23,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:23,478 INFO L93 Difference]: Finished difference Result 564 states and 684 transitions. [2022-07-21 05:00:23,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2022-07-21 05:00:23,478 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 50 [2022-07-21 05:00:23,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:23,483 INFO L225 Difference]: With dead ends: 564 [2022-07-21 05:00:23,484 INFO L226 Difference]: Without dead ends: 292 [2022-07-21 05:00:23,485 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=84, Invalid=188, Unknown=0, NotChecked=0, Total=272 [2022-07-21 05:00:23,486 INFO L413 NwaCegarLoop]: 102 mSDtfsCounter, 180 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 70 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 452 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 70 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:23,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 206 Invalid, 452 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [70 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 05:00:23,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2022-07-21 05:00:23,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 278. [2022-07-21 05:00:23,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 278 states, 205 states have (on average 1.2146341463414634) internal successors, (249), 220 states have internal predecessors, (249), 36 states have call successors, (36), 30 states have call predecessors, (36), 36 states have return successors, (48), 38 states have call predecessors, (48), 36 states have call successors, (48) [2022-07-21 05:00:23,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 333 transitions. [2022-07-21 05:00:23,525 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 333 transitions. Word has length 50 [2022-07-21 05:00:23,527 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:23,527 INFO L495 AbstractCegarLoop]: Abstraction has 278 states and 333 transitions. [2022-07-21 05:00:23,527 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.857142857142857) internal successors, (41), 5 states have internal predecessors, (41), 1 states have call successors, (5), 4 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2022-07-21 05:00:23,527 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 333 transitions. [2022-07-21 05:00:23,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-21 05:00:23,530 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:23,530 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] [2022-07-21 05:00:23,530 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-21 05:00:23,530 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:23,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:23,531 INFO L85 PathProgramCache]: Analyzing trace with hash 25989529, now seen corresponding path program 1 times [2022-07-21 05:00:23,531 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:23,532 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5407336] [2022-07-21 05:00:23,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:23,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:23,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,586 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 05:00:23,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 05:00:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,632 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 05:00:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:00:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,645 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 05:00:23,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,648 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:00:23,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:23,649 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [5407336] [2022-07-21 05:00:23,649 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [5407336] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:23,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:23,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 05:00:23,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688178264] [2022-07-21 05:00:23,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:23,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 05:00:23,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:23,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 05:00:23,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:00:23,651 INFO L87 Difference]: Start difference. First operand 278 states and 333 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 05:00:23,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:23,896 INFO L93 Difference]: Finished difference Result 566 states and 691 transitions. [2022-07-21 05:00:23,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 05:00:23,896 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 3 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 [2022-07-21 05:00:23,897 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:23,900 INFO L225 Difference]: With dead ends: 566 [2022-07-21 05:00:23,902 INFO L226 Difference]: Without dead ends: 296 [2022-07-21 05:00:23,903 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-21 05:00:23,904 INFO L413 NwaCegarLoop]: 89 mSDtfsCounter, 125 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 315 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:23,905 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 201 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 315 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 05:00:23,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2022-07-21 05:00:23,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 284. [2022-07-21 05:00:23,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 284 states, 211 states have (on average 1.2085308056872037) internal successors, (255), 226 states have internal predecessors, (255), 36 states have call successors, (36), 30 states have call predecessors, (36), 36 states have return successors, (48), 38 states have call predecessors, (48), 36 states have call successors, (48) [2022-07-21 05:00:23,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 284 states to 284 states and 339 transitions. [2022-07-21 05:00:23,928 INFO L78 Accepts]: Start accepts. Automaton has 284 states and 339 transitions. Word has length 60 [2022-07-21 05:00:23,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:23,932 INFO L495 AbstractCegarLoop]: Abstraction has 284 states and 339 transitions. [2022-07-21 05:00:23,933 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 2 states have call successors, (6), 3 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-21 05:00:23,933 INFO L276 IsEmpty]: Start isEmpty. Operand 284 states and 339 transitions. [2022-07-21 05:00:23,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-21 05:00:23,934 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:23,934 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] [2022-07-21 05:00:23,934 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-21 05:00:23,934 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:23,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:23,935 INFO L85 PathProgramCache]: Analyzing trace with hash 727589403, now seen corresponding path program 1 times [2022-07-21 05:00:23,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:23,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329077745] [2022-07-21 05:00:23,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:23,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:23,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,966 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 05:00:23,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,972 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 05:00:23,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,992 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 05:00:23,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,995 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:00:23,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,996 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 05:00:23,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:23,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:00:23,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:23,998 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329077745] [2022-07-21 05:00:23,998 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1329077745] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:23,999 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:23,999 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-21 05:00:23,999 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725890240] [2022-07-21 05:00:23,999 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:23,999 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-21 05:00:23,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:24,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-21 05:00:24,000 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-21 05:00:24,000 INFO L87 Difference]: Start difference. First operand 284 states and 339 transitions. Second operand has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-21 05:00:24,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:24,216 INFO L93 Difference]: Finished difference Result 584 states and 711 transitions. [2022-07-21 05:00:24,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-21 05:00:24,217 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 60 [2022-07-21 05:00:24,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:24,218 INFO L225 Difference]: With dead ends: 584 [2022-07-21 05:00:24,218 INFO L226 Difference]: Without dead ends: 308 [2022-07-21 05:00:24,219 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-07-21 05:00:24,220 INFO L413 NwaCegarLoop]: 90 mSDtfsCounter, 209 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 82 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 211 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 316 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 82 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:24,220 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [211 Valid, 178 Invalid, 316 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [82 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 05:00:24,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2022-07-21 05:00:24,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 288. [2022-07-21 05:00:24,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 288 states, 215 states have (on average 1.2046511627906977) internal successors, (259), 230 states have internal predecessors, (259), 36 states have call successors, (36), 30 states have call predecessors, (36), 36 states have return successors, (48), 38 states have call predecessors, (48), 36 states have call successors, (48) [2022-07-21 05:00:24,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 288 states and 343 transitions. [2022-07-21 05:00:24,233 INFO L78 Accepts]: Start accepts. Automaton has 288 states and 343 transitions. Word has length 60 [2022-07-21 05:00:24,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:24,233 INFO L495 AbstractCegarLoop]: Abstraction has 288 states and 343 transitions. [2022-07-21 05:00:24,233 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.714285714285714) internal successors, (47), 5 states have internal predecessors, (47), 3 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2022-07-21 05:00:24,233 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 343 transitions. [2022-07-21 05:00:24,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-21 05:00:24,234 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:24,234 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] [2022-07-21 05:00:24,234 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-21 05:00:24,235 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:24,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:24,235 INFO L85 PathProgramCache]: Analyzing trace with hash 655202845, now seen corresponding path program 1 times [2022-07-21 05:00:24,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:24,235 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [825257937] [2022-07-21 05:00:24,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:24,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:24,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,261 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-21 05:00:24,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,266 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-21 05:00:24,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,277 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 05:00:24,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,280 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:00:24,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-21 05:00:24,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,282 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-21 05:00:24,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:24,283 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [825257937] [2022-07-21 05:00:24,283 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [825257937] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:24,283 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-21 05:00:24,283 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-21 05:00:24,283 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1699956124] [2022-07-21 05:00:24,283 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:24,284 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-21 05:00:24,284 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:24,284 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-21 05:00:24,284 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-21 05:00:24,285 INFO L87 Difference]: Start difference. First operand 288 states and 343 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-21 05:00:24,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:24,588 INFO L93 Difference]: Finished difference Result 790 states and 993 transitions. [2022-07-21 05:00:24,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2022-07-21 05:00:24,588 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) Word has length 60 [2022-07-21 05:00:24,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:24,592 INFO L225 Difference]: With dead ends: 790 [2022-07-21 05:00:24,592 INFO L226 Difference]: Without dead ends: 510 [2022-07-21 05:00:24,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 14 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2022-07-21 05:00:24,596 INFO L413 NwaCegarLoop]: 133 mSDtfsCounter, 297 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 272 mSolverCounterSat, 129 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 299 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 401 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 129 IncrementalHoareTripleChecker+Valid, 272 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:24,596 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [299 Valid, 232 Invalid, 401 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [129 Valid, 272 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-21 05:00:24,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2022-07-21 05:00:24,630 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 508. [2022-07-21 05:00:24,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 508 states, 379 states have (on average 1.1978891820580475) internal successors, (454), 402 states have internal predecessors, (454), 66 states have call successors, (66), 60 states have call predecessors, (66), 62 states have return successors, (101), 66 states have call predecessors, (101), 66 states have call successors, (101) [2022-07-21 05:00:24,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 508 states and 621 transitions. [2022-07-21 05:00:24,633 INFO L78 Accepts]: Start accepts. Automaton has 508 states and 621 transitions. Word has length 60 [2022-07-21 05:00:24,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:24,633 INFO L495 AbstractCegarLoop]: Abstraction has 508 states and 621 transitions. [2022-07-21 05:00:24,633 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 4 states have internal predecessors, (47), 4 states have call successors, (6), 4 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 4 states have call successors, (5) [2022-07-21 05:00:24,633 INFO L276 IsEmpty]: Start isEmpty. Operand 508 states and 621 transitions. [2022-07-21 05:00:24,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-21 05:00:24,634 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:24,634 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] [2022-07-21 05:00:24,634 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-07-21 05:00:24,634 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:24,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:24,635 INFO L85 PathProgramCache]: Analyzing trace with hash 815870135, now seen corresponding path program 1 times [2022-07-21 05:00:24,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:24,635 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141047580] [2022-07-21 05:00:24,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:24,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:24,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,685 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 05:00:24,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,691 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2022-07-21 05:00:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,704 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-21 05:00:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 05:00:24,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:00:24,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2022-07-21 05:00:24,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,776 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-21 05:00:24,776 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:24,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141047580] [2022-07-21 05:00:24,776 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141047580] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 05:00:24,776 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [308384479] [2022-07-21 05:00:24,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:24,777 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 05:00:24,777 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:00:24,807 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) [2022-07-21 05:00:24,835 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-21 05:00:24,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:24,915 INFO L263 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 05:00:24,919 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 05:00:25,092 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-21 05:00:25,092 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 05:00:25,092 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [308384479] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:25,093 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 05:00:25,093 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [15] total 21 [2022-07-21 05:00:25,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795604519] [2022-07-21 05:00:25,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:25,093 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 05:00:25,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:25,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 05:00:25,094 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2022-07-21 05:00:25,094 INFO L87 Difference]: Start difference. First operand 508 states and 621 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-21 05:00:25,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:25,180 INFO L93 Difference]: Finished difference Result 986 states and 1210 transitions. [2022-07-21 05:00:25,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 05:00:25,181 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 64 [2022-07-21 05:00:25,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:25,183 INFO L225 Difference]: With dead ends: 986 [2022-07-21 05:00:25,183 INFO L226 Difference]: Without dead ends: 486 [2022-07-21 05:00:25,184 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 84 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=368, Unknown=0, NotChecked=0, Total=420 [2022-07-21 05:00:25,184 INFO L413 NwaCegarLoop]: 173 mSDtfsCounter, 63 mSDsluCounter, 471 mSDsCounter, 0 mSdLazyCounter, 148 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 644 SdHoareTripleChecker+Invalid, 151 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 148 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:25,185 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 644 Invalid, 151 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 148 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:00:25,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2022-07-21 05:00:25,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 484. [2022-07-21 05:00:25,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 484 states, 360 states have (on average 1.1805555555555556) internal successors, (425), 382 states have internal predecessors, (425), 64 states have call successors, (64), 58 states have call predecessors, (64), 59 states have return successors, (88), 63 states have call predecessors, (88), 64 states have call successors, (88) [2022-07-21 05:00:25,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 484 states and 577 transitions. [2022-07-21 05:00:25,203 INFO L78 Accepts]: Start accepts. Automaton has 484 states and 577 transitions. Word has length 64 [2022-07-21 05:00:25,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:25,203 INFO L495 AbstractCegarLoop]: Abstraction has 484 states and 577 transitions. [2022-07-21 05:00:25,203 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 6 states have internal predecessors, (51), 3 states have call successors, (7), 3 states have call predecessors, (7), 5 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2022-07-21 05:00:25,204 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 577 transitions. [2022-07-21 05:00:25,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2022-07-21 05:00:25,205 INFO L187 NwaCegarLoop]: Found error trace [2022-07-21 05:00:25,205 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:25,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2022-07-21 05:00:25,423 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 [2022-07-21 05:00:25,424 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-21 05:00:25,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-21 05:00:25,424 INFO L85 PathProgramCache]: Analyzing trace with hash 255377162, now seen corresponding path program 1 times [2022-07-21 05:00:25,424 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-21 05:00:25,425 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [147219783] [2022-07-21 05:00:25,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:25,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-21 05:00:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2022-07-21 05:00:25,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,473 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-21 05:00:25,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,483 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-21 05:00:25,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-21 05:00:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:00:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,490 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-21 05:00:25,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,496 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2022-07-21 05:00:25,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2022-07-21 05:00:25,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-21 05:00:25,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-21 05:00:25,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-21 05:00:25,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2022-07-21 05:00:25,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,593 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2022-07-21 05:00:25,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-21 05:00:25,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [147219783] [2022-07-21 05:00:25,594 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [147219783] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-21 05:00:25,594 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299767351] [2022-07-21 05:00:25,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-21 05:00:25,594 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-21 05:00:25,594 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-21 05:00:25,597 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) [2022-07-21 05:00:25,599 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-21 05:00:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-21 05:00:25,680 INFO L263 TraceCheckSpWp]: Trace formula consists of 496 conjuncts, 9 conjunts are in the unsatisfiable core [2022-07-21 05:00:25,686 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-21 05:00:25,793 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-07-21 05:00:25,793 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-21 05:00:25,793 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299767351] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-21 05:00:25,793 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-21 05:00:25,794 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [14] total 19 [2022-07-21 05:00:25,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306217575] [2022-07-21 05:00:25,794 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-21 05:00:25,794 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-21 05:00:25,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-21 05:00:25,795 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-21 05:00:25,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2022-07-21 05:00:25,796 INFO L87 Difference]: Start difference. First operand 484 states and 577 transitions. Second operand has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-21 05:00:25,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-21 05:00:25,883 INFO L93 Difference]: Finished difference Result 827 states and 996 transitions. [2022-07-21 05:00:25,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-21 05:00:25,884 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) Word has length 108 [2022-07-21 05:00:25,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-21 05:00:25,885 INFO L225 Difference]: With dead ends: 827 [2022-07-21 05:00:25,885 INFO L226 Difference]: Without dead ends: 0 [2022-07-21 05:00:25,886 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=60, Invalid=360, Unknown=0, NotChecked=0, Total=420 [2022-07-21 05:00:25,887 INFO L413 NwaCegarLoop]: 172 mSDtfsCounter, 68 mSDsluCounter, 599 mSDsCounter, 0 mSdLazyCounter, 101 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 771 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 101 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-21 05:00:25,887 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 771 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-21 05:00:25,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-21 05:00:25,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-21 05:00:25,888 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) [2022-07-21 05:00:25,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-21 05:00:25,889 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 108 [2022-07-21 05:00:25,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-21 05:00:25,889 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-21 05:00:25,889 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.625) internal successors, (77), 6 states have internal predecessors, (77), 3 states have call successors, (13), 3 states have call predecessors, (13), 5 states have return successors, (12), 5 states have call predecessors, (12), 3 states have call successors, (12) [2022-07-21 05:00:25,889 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-21 05:00:25,889 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-21 05:00:25,891 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-21 05:00:25,912 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-21 05:00:26,109 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 [2022-07-21 05:00:26,111 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-21 05:00:28,879 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 566 572) no Hoare annotation was computed. [2022-07-21 05:00:28,879 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 566 572) the Hoare annotation is: true [2022-07-21 05:00:28,879 INFO L899 garLoopResultBuilder]: For program point L830-1(lines 826 837) no Hoare annotation was computed. [2022-07-21 05:00:28,880 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 826 837) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or (not (= |old(~methaneLevelCritical~0)| 0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1 (not (<= 1 |old(~methaneLevelCritical~0)|))))) [2022-07-21 05:00:28,880 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 826 837) no Hoare annotation was computed. [2022-07-21 05:00:28,880 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 838 846) the Hoare annotation is: true [2022-07-21 05:00:28,880 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 838 846) no Hoare annotation was computed. [2022-07-21 05:00:28,880 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 838 846) no Hoare annotation was computed. [2022-07-21 05:00:28,880 INFO L895 garLoopResultBuilder]: At program point L944(line 944) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse2 .cse6 .cse3 .cse7) (or .cse8 .cse9 .cse2 .cse6 .cse5) (or (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) .cse9) .cse2 .cse3 (and .cse8 .cse9)) (or .cse0 .cse2 .cse6 .cse5 .cse7))) [2022-07-21 05:00:28,880 INFO L895 garLoopResultBuilder]: At program point L655(lines 650 657) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methaneLevelCritical~0 0)))) (and (or (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) .cse0) .cse1 .cse2) (or .cse3 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse1 .cse4))) [2022-07-21 05:00:28,880 INFO L899 garLoopResultBuilder]: For program point L944-1(line 944) no Hoare annotation was computed. [2022-07-21 05:00:28,880 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 542 565) no Hoare annotation was computed. [2022-07-21 05:00:28,880 INFO L895 garLoopResultBuilder]: At program point L614(line 614) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) (not (= ~methaneLevelCritical~0 0))))) [2022-07-21 05:00:28,880 INFO L899 garLoopResultBuilder]: For program point L420(line 420) no Hoare annotation was computed. [2022-07-21 05:00:28,880 INFO L895 garLoopResultBuilder]: At program point L606(line 606) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-07-21 05:00:28,880 INFO L899 garLoopResultBuilder]: For program point L606-1(line 606) no Hoare annotation was computed. [2022-07-21 05:00:28,881 INFO L895 garLoopResultBuilder]: At program point L619(line 619) the Hoare annotation is: (let ((.cse2 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~pumpRunning~0 0))) (.cse4 (not (= |old(~waterLevel~0)| 1))) (.cse5 (= ~waterLevel~0 1)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse2) (or .cse4 .cse0 .cse3 .cse5) (or .cse4 .cse0 .cse1 .cse5) (or .cse0 .cse6 .cse3 .cse7) (or .cse0 .cse6 .cse1 .cse7))) [2022-07-21 05:00:28,881 INFO L895 garLoopResultBuilder]: At program point L619-1(lines 600 624) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= ~pumpRunning~0 0)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse2 .cse6 .cse3 .cse7) (or .cse8 .cse9 .cse2 .cse6 .cse5) (or (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) .cse9) .cse2 .cse3 (and .cse8 .cse9)) (or .cse0 .cse2 .cse6 .cse5 .cse7))) [2022-07-21 05:00:28,881 INFO L899 garLoopResultBuilder]: For program point L553-1(lines 553 559) no Hoare annotation was computed. [2022-07-21 05:00:28,881 INFO L895 garLoopResultBuilder]: At program point L421(lines 416 423) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2022-07-21 05:00:28,881 INFO L899 garLoopResultBuilder]: For program point L950(lines 950 960) no Hoare annotation was computed. [2022-07-21 05:00:28,881 INFO L899 garLoopResultBuilder]: For program point L946(lines 946 963) no Hoare annotation was computed. [2022-07-21 05:00:28,881 INFO L895 garLoopResultBuilder]: At program point L946-1(lines 938 966) the Hoare annotation is: (let ((.cse6 (<= 2 ~waterLevel~0)) (.cse12 (= 1 ~systemActive~0)) (.cse10 (= |timeShift___utac_acc__Specification2_spec__2_~tmp~9#1| 0)) (.cse13 (= ~methaneLevelCritical~0 0))) (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|))) (.cse5 (not .cse13)) (.cse8 (and .cse13 .cse6 .cse12 .cse10)) (.cse2 (not .cse12)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse9 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse2 .cse6 .cse3 .cse7) (or .cse0 .cse2 .cse5 .cse8 .cse7) (or (and .cse9 .cse10) .cse2 (and .cse11 .cse10) .cse5 .cse8) (or (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) .cse9) .cse2 .cse3 (and .cse11 .cse9))))) [2022-07-21 05:00:28,882 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 810) no Hoare annotation was computed. [2022-07-21 05:00:28,882 INFO L895 garLoopResultBuilder]: At program point L806-2(lines 802 813) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-07-21 05:00:28,882 INFO L895 garLoopResultBuilder]: At program point L674(lines 669 677) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse2 (= ~waterLevel~0 1)) (or .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 (not (<= 2 |old(~waterLevel~0)|))) (let ((.cse3 (= ~pumpRunning~0 0)) (.cse4 (= |timeShift_isPumpRunning_#res#1| 0))) (or (and (<= 1 |timeShift_processEnvironment_~tmp~5#1|) .cse3 .cse4) .cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse3 .cse4) .cse2)) (or .cse1 (not (= ~methaneLevelCritical~0 0))))) [2022-07-21 05:00:28,882 INFO L899 garLoopResultBuilder]: For program point L546-1(lines 545 564) no Hoare annotation was computed. [2022-07-21 05:00:28,882 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 616) no Hoare annotation was computed. [2022-07-21 05:00:28,882 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 621) no Hoare annotation was computed. [2022-07-21 05:00:28,882 INFO L899 garLoopResultBuilder]: For program point L951(lines 951 957) no Hoare annotation was computed. [2022-07-21 05:00:28,882 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 542 565) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse7 (<= 2 ~waterLevel~0)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse8 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse6 .cse2 .cse5) (or .cse6 .cse2 .cse3) (or .cse2 .cse7 .cse3 .cse8) (or .cse2 .cse7 .cse5 .cse8))) [2022-07-21 05:00:28,882 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 542 565) no Hoare annotation was computed. [2022-07-21 05:00:28,882 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 420) no Hoare annotation was computed. [2022-07-21 05:00:28,882 INFO L899 garLoopResultBuilder]: For program point L448(line 448) no Hoare annotation was computed. [2022-07-21 05:00:28,882 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 427 456) no Hoare annotation was computed. [2022-07-21 05:00:28,882 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 427 456) the Hoare annotation is: true [2022-07-21 05:00:28,882 INFO L899 garLoopResultBuilder]: For program point L441(lines 441 445) no Hoare annotation was computed. [2022-07-21 05:00:28,882 INFO L902 garLoopResultBuilder]: At program point L441-1(lines 441 445) the Hoare annotation is: true [2022-07-21 05:00:28,882 INFO L899 garLoopResultBuilder]: For program point L438(line 438) no Hoare annotation was computed. [2022-07-21 05:00:28,882 INFO L902 garLoopResultBuilder]: At program point L437-2(lines 437 451) the Hoare annotation is: true [2022-07-21 05:00:28,882 INFO L902 garLoopResultBuilder]: At program point L433(line 433) the Hoare annotation is: true [2022-07-21 05:00:28,882 INFO L899 garLoopResultBuilder]: For program point L433-1(line 433) no Hoare annotation was computed. [2022-07-21 05:00:28,882 INFO L902 garLoopResultBuilder]: At program point L452(lines 427 456) the Hoare annotation is: true [2022-07-21 05:00:28,883 INFO L895 garLoopResultBuilder]: At program point L766(line 766) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2022-07-21 05:00:28,883 INFO L895 garLoopResultBuilder]: At program point L787(lines 744 789) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2022-07-21 05:00:28,883 INFO L899 garLoopResultBuilder]: For program point L754(lines 754 760) no Hoare annotation was computed. [2022-07-21 05:00:28,883 INFO L899 garLoopResultBuilder]: For program point L754-1(lines 754 760) no Hoare annotation was computed. [2022-07-21 05:00:28,883 INFO L899 garLoopResultBuilder]: For program point L746(lines 746 750) no Hoare annotation was computed. [2022-07-21 05:00:28,883 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-21 05:00:28,883 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-21 05:00:28,883 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-21 05:00:28,883 INFO L895 garLoopResultBuilder]: At program point L924(lines 919 927) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:00:28,883 INFO L895 garLoopResultBuilder]: At program point L916(lines 912 918) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:00:28,883 INFO L899 garLoopResultBuilder]: For program point L780(lines 780 784) no Hoare annotation was computed. [2022-07-21 05:00:28,884 INFO L895 garLoopResultBuilder]: At program point L780-2(lines 774 785) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (<= 1 ~methaneLevelCritical~0) .cse0 .cse1) (and (= ~methaneLevelCritical~0 0) .cse0 .cse1))) [2022-07-21 05:00:28,884 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-21 05:00:28,884 INFO L899 garLoopResultBuilder]: For program point L764(lines 764 770) no Hoare annotation was computed. [2022-07-21 05:00:28,884 INFO L899 garLoopResultBuilder]: For program point L764-1(lines 764 770) no Hoare annotation was computed. [2022-07-21 05:00:28,884 INFO L902 garLoopResultBuilder]: At program point L793(lines 734 797) the Hoare annotation is: true [2022-07-21 05:00:28,884 INFO L895 garLoopResultBuilder]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (= 1 ~systemActive~0)) (.cse1 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~methaneLevelCritical~0 0) .cse0 .cse1) (and (= ~pumpRunning~0 0) (<= 1 ~methaneLevelCritical~0) .cse0 .cse1))) [2022-07-21 05:00:28,884 INFO L895 garLoopResultBuilder]: At program point L909(lines 905 911) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:00:28,884 INFO L895 garLoopResultBuilder]: At program point L488(lines 484 490) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:00:28,884 INFO L899 garLoopResultBuilder]: For program point L517(lines 517 524) no Hoare annotation was computed. [2022-07-21 05:00:28,884 INFO L899 garLoopResultBuilder]: For program point L517-2(lines 517 524) no Hoare annotation was computed. [2022-07-21 05:00:28,884 INFO L895 garLoopResultBuilder]: At program point L790(lines 743 791) the Hoare annotation is: false [2022-07-21 05:00:28,884 INFO L902 garLoopResultBuilder]: At program point L501(lines 493 503) the Hoare annotation is: true [2022-07-21 05:00:28,884 INFO L902 garLoopResultBuilder]: At program point L526(lines 507 529) the Hoare annotation is: true [2022-07-21 05:00:28,884 INFO L899 garLoopResultBuilder]: For program point L745(lines 744 789) no Hoare annotation was computed. [2022-07-21 05:00:28,884 INFO L895 garLoopResultBuilder]: At program point L935(lines 930 937) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-21 05:00:28,884 INFO L899 garLoopResultBuilder]: For program point L774(lines 774 785) no Hoare annotation was computed. [2022-07-21 05:00:28,885 INFO L899 garLoopResultBuilder]: For program point L818-1(lines 814 825) no Hoare annotation was computed. [2022-07-21 05:00:28,885 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 814 825) no Hoare annotation was computed. [2022-07-21 05:00:28,885 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 814 825) the Hoare annotation is: (let ((.cse1 (not (= |old(~waterLevel~0)| 1))) (.cse4 (= ~waterLevel~0 1)) (.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (<= 2 ~waterLevel~0)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse7 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse4) (or .cse0 .cse2 .cse6 .cse5 .cse7) (or .cse2 .cse6 .cse3 .cse7))) [2022-07-21 05:00:28,885 INFO L899 garLoopResultBuilder]: For program point L640(lines 640 646) no Hoare annotation was computed. [2022-07-21 05:00:28,885 INFO L895 garLoopResultBuilder]: At program point L638(line 638) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (<= 2 ~waterLevel~0))) (and (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse1 .cse2)) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2) (not (= ~methaneLevelCritical~0 0))))) [2022-07-21 05:00:28,885 INFO L895 garLoopResultBuilder]: At program point L640-2(lines 633 649) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (<= 2 ~waterLevel~0)) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not .cse1) .cse0 (and (= ~pumpRunning~0 0) .cse3 (<= ~methaneLevelCritical~0 |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~6#1|)) (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 .cse3 .cse2))) [2022-07-21 05:00:28,885 INFO L899 garLoopResultBuilder]: For program point L638-1(line 638) no Hoare annotation was computed. [2022-07-21 05:00:28,885 INFO L895 garLoopResultBuilder]: At program point L729(lines 714 732) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse3 (<= 2 ~waterLevel~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse4 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~0#1| 0)) (.cse5 (not (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~7#1| 0))) (.cse6 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0))) (and (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (or .cse0 (and .cse1 .cse2 .cse3) (not (= ~methaneLevelCritical~0 0)) (and .cse1 .cse2 .cse4 .cse5 .cse6))) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) (and .cse2 .cse3) (and .cse2 .cse4 .cse5 .cse6)))) [2022-07-21 05:00:28,885 INFO L895 garLoopResultBuilder]: At program point L888(lines 879 892) the Hoare annotation is: (let ((.cse5 (= ~pumpRunning~0 0))) (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and .cse5 (<= 2 ~waterLevel~0))) (.cse4 (and .cse5 (not (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0))))) (and (or .cse0 .cse1 .cse2) (or (not .cse1) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse4)))) [2022-07-21 05:00:28,885 INFO L895 garLoopResultBuilder]: At program point L630(lines 625 632) the Hoare annotation is: (let ((.cse1 (= |old(~pumpRunning~0)| 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not .cse1) .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (<= 2 ~waterLevel~0) .cse2))) [2022-07-21 05:00:28,885 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 727) no Hoare annotation was computed. [2022-07-21 05:00:28,885 INFO L899 garLoopResultBuilder]: For program point L723-2(lines 723 727) no Hoare annotation was computed. [2022-07-21 05:00:28,885 INFO L895 garLoopResultBuilder]: At program point L593(line 593) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or .cse2 .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse2 .cse0 .cse1))) [2022-07-21 05:00:28,885 INFO L899 garLoopResultBuilder]: For program point L593-1(lines 574 598) no Hoare annotation was computed. [2022-07-21 05:00:28,887 INFO L899 garLoopResultBuilder]: For program point L883(lines 883 889) no Hoare annotation was computed. [2022-07-21 05:00:28,887 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 574 598) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= ~methaneLevelCritical~0 0))) (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) .cse0 (not (<= 1 ~methaneLevelCritical~0))))) [2022-07-21 05:00:28,887 INFO L895 garLoopResultBuilder]: At program point L588(line 588) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |processEnvironment__wrappee__methaneQuery_~tmp~4#1| 0))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2)) (or (not (= |old(~pumpRunning~0)| 0)) .cse0 (and .cse1 .cse2) (not (<= 1 ~methaneLevelCritical~0))))) [2022-07-21 05:00:28,887 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 574 598) no Hoare annotation was computed. [2022-07-21 05:00:28,887 INFO L899 garLoopResultBuilder]: For program point L582(lines 582 590) no Hoare annotation was computed. [2022-07-21 05:00:28,887 INFO L899 garLoopResultBuilder]: For program point L578(lines 578 595) no Hoare annotation was computed. [2022-07-21 05:00:28,887 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 658 668) the Hoare annotation is: true [2022-07-21 05:00:28,887 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 658 668) no Hoare annotation was computed. [2022-07-21 05:00:28,888 INFO L902 garLoopResultBuilder]: At program point L663(line 663) the Hoare annotation is: true [2022-07-21 05:00:28,888 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 658 668) no Hoare annotation was computed. [2022-07-21 05:00:28,888 INFO L899 garLoopResultBuilder]: For program point L663-1(line 663) no Hoare annotation was computed. [2022-07-21 05:00:28,890 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-21 05:00:28,892 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-21 05:00:28,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 05:00:28 BoogieIcfgContainer [2022-07-21 05:00:28,932 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-21 05:00:28,932 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-21 05:00:28,932 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-21 05:00:28,932 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-21 05:00:28,933 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 05:00:21" (3/4) ... [2022-07-21 05:00:28,935 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-21 05:00:28,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-21 05:00:28,940 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-21 05:00:28,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-21 05:00:28,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-21 05:00:28,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-21 05:00:28,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-21 05:00:28,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-21 05:00:28,941 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-21 05:00:28,947 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 50 nodes and edges [2022-07-21 05:00:28,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-21 05:00:28,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-21 05:00:28,948 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-21 05:00:28,949 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-21 05:00:28,949 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 05:00:28,949 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-21 05:00:28,970 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) && ((!(1 == systemActive) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) || !(methaneLevelCritical == 0)) [2022-07-21 05:00:28,972 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && ((((1 <= tmp && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) [2022-07-21 05:00:28,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) || !(2 <= \old(waterLevel)))) && (((((pumpRunning == 0 && tmp == 0) || !(1 == systemActive)) || (pumpRunning == \old(pumpRunning) && tmp == 0)) || !(methaneLevelCritical == 0)) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && 1 == systemActive) && tmp == 0))) && ((((1 <= tmp && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) [2022-07-21 05:00:28,973 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((1 <= tmp && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((pumpRunning == 0 || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-07-21 05:00:28,974 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((((1 <= tmp && pumpRunning == 0) && \result == 0) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0)) || !(1 <= methaneLevelCritical))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) [2022-07-21 05:00:28,974 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= tmp)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) [2022-07-21 05:00:28,974 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) [2022-07-21 05:00:28,975 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0)))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) [2022-07-21 05:00:28,975 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && !(tmp == 0)) && \result == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || (((pumpRunning == 0 && tmp___0 == 0) && !(tmp == 0)) && \result == 0)) [2022-07-21 05:00:29,004 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-21 05:00:29,005 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-21 05:00:29,006 INFO L158 Benchmark]: Toolchain (without parser) took 8409.54ms. Allocated memory was 56.6MB in the beginning and 134.2MB in the end (delta: 77.6MB). Free memory was 33.9MB in the beginning and 61.4MB in the end (delta: -27.5MB). Peak memory consumption was 50.0MB. Max. memory is 16.1GB. [2022-07-21 05:00:29,006 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 56.6MB. Free memory was 38.2MB in the beginning and 38.2MB in the end (delta: 47.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-21 05:00:29,006 INFO L158 Benchmark]: CACSL2BoogieTranslator took 472.69ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 33.6MB in the beginning and 46.2MB in the end (delta: -12.6MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2022-07-21 05:00:29,006 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.14ms. Allocated memory is still 71.3MB. Free memory was 46.0MB in the beginning and 43.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 05:00:29,007 INFO L158 Benchmark]: Boogie Preprocessor took 20.73ms. Allocated memory is still 71.3MB. Free memory was 43.6MB in the beginning and 42.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-21 05:00:29,007 INFO L158 Benchmark]: RCFGBuilder took 507.77ms. Allocated memory is still 71.3MB. Free memory was 42.1MB in the beginning and 42.4MB in the end (delta: -283.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-21 05:00:29,008 INFO L158 Benchmark]: TraceAbstraction took 7292.50ms. Allocated memory was 71.3MB in the beginning and 134.2MB in the end (delta: 62.9MB). Free memory was 41.9MB in the beginning and 66.6MB in the end (delta: -24.7MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. [2022-07-21 05:00:29,008 INFO L158 Benchmark]: Witness Printer took 73.19ms. Allocated memory is still 134.2MB. Free memory was 66.6MB in the beginning and 61.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-07-21 05:00:29,009 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 56.6MB. Free memory was 38.2MB in the beginning and 38.2MB in the end (delta: 47.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 472.69ms. Allocated memory was 56.6MB in the beginning and 71.3MB in the end (delta: 14.7MB). Free memory was 33.6MB in the beginning and 46.2MB in the end (delta: -12.6MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.14ms. Allocated memory is still 71.3MB. Free memory was 46.0MB in the beginning and 43.6MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.73ms. Allocated memory is still 71.3MB. Free memory was 43.6MB in the beginning and 42.1MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 507.77ms. Allocated memory is still 71.3MB. Free memory was 42.1MB in the beginning and 42.4MB in the end (delta: -283.3kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 7292.50ms. Allocated memory was 71.3MB in the beginning and 134.2MB in the end (delta: 62.9MB). Free memory was 41.9MB in the beginning and 66.6MB in the end (delta: -24.7MB). Peak memory consumption was 68.7MB. Max. memory is 16.1GB. * Witness Printer took 73.19ms. Allocated memory is still 134.2MB. Free memory was 66.6MB in the beginning and 61.4MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. 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: 420]: 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 9 procedures, 95 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 7.2s, OverallIterations: 11, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 2.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1392 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1363 mSDsluCounter, 3353 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2049 mSDsCounter, 455 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1790 IncrementalHoareTripleChecker+Invalid, 2245 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 455 mSolverCounterUnsat, 1304 mSDtfsCounter, 1790 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 372 GetRequests, 266 SyntacticMatches, 1 SemanticMatches, 105 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=508occurred in iteration=9, InterpolantAutomatonStates: 89, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 70 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 1303 PreInvPairs, 1482 NumberOfFragments, 1485 HoareAnnotationTreeSize, 1303 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 43 FomulaSimplificationsInter, 6973 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 741 NumberOfCodeBlocks, 741 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 728 ConstructedInterpolants, 0 QuantifiedInterpolants, 1428 SizeOfPredicates, 6 NumberOfNonLiveVariables, 887 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 89/103 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: 669]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && (((((1 <= tmp && pumpRunning == 0) && \result == 0) || !(1 == systemActive)) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && \result == 0)) || !(1 <= methaneLevelCritical))) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 938]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && 1 == systemActive) && tmp == 0)) || !(2 <= \old(waterLevel)))) && (((((pumpRunning == 0 && tmp == 0) || !(1 == systemActive)) || (pumpRunning == \old(pumpRunning) && tmp == 0)) || !(methaneLevelCritical == 0)) || (((methaneLevelCritical == 0 && 2 <= waterLevel) && 1 == systemActive) && tmp == 0))) && ((((1 <= tmp && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0)) - InvariantResult [Line: 919]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 744]: Loop Invariant Derived loop invariant: ((methaneLevelCritical == 0 && 1 == systemActive) && splverifierCounter == 0) || (((pumpRunning == 0 && 1 <= methaneLevelCritical) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 633]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((pumpRunning == 0 && 2 <= waterLevel) && methaneLevelCritical <= tmp)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 437]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 743]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 930]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((((1 <= tmp && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && ((pumpRunning == 0 || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 734]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 507]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 802]: Loop Invariant Derived loop invariant: ((!(1 == systemActive) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) && ((!(1 == systemActive) || (pumpRunning == \old(pumpRunning) && !(\old(pumpRunning) == 0))) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || waterLevel == 1) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || waterLevel == 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(1 <= methaneLevelCritical)) || !(2 <= \old(waterLevel)))) && ((((pumpRunning == \old(pumpRunning) || pumpRunning == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0))) && ((((1 <= tmp && pumpRunning == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == \old(pumpRunning) && pumpRunning == 0))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) || !(2 <= \old(waterLevel))) - InvariantResult [Line: 714]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && 2 <= waterLevel)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && tmp___0 == 0) && !(tmp == 0)) && \result == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || (((pumpRunning == 0 && tmp___0 == 0) && !(tmp == 0)) && \result == 0)) - InvariantResult [Line: 493]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 625]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical))) && ((!(1 == systemActive) || 2 <= waterLevel) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 912]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 484]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 416]: Loop Invariant Derived loop invariant: (!(1 == systemActive) || !(1 <= methaneLevelCritical)) && (!(1 == systemActive) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: (((!(1 == systemActive) || \old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && 2 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0)))) && (((!(1 == systemActive) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && 2 <= waterLevel)) || (pumpRunning == 0 && !(\result == 0))) RESULT: Ultimate proved your program to be correct! [2022-07-21 05:00:29,084 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