./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f4b24e32 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_spec3_product46.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 458689bcd0930e2b07a61b7490d83be8ce4e59412b26a60581bf78c492ee412e --- Real Ultimate output --- This is Ultimate 0.2.2-?-f4b24e3 [2022-07-13 17:59:23,861 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-07-13 17:59:23,862 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-07-13 17:59:23,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-07-13 17:59:23,908 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-07-13 17:59:23,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-07-13 17:59:23,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-07-13 17:59:23,912 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-07-13 17:59:23,914 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-07-13 17:59:23,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-07-13 17:59:23,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-07-13 17:59:23,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-07-13 17:59:23,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-07-13 17:59:23,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-07-13 17:59:23,924 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-07-13 17:59:23,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-07-13 17:59:23,927 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-07-13 17:59:23,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-07-13 17:59:23,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-07-13 17:59:23,933 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-07-13 17:59:23,935 INFO L181 SettingsManager]: Resetting HornVerifier preferences to default values [2022-07-13 17:59:23,935 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-07-13 17:59:23,936 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-07-13 17:59:23,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-07-13 17:59:23,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-07-13 17:59:23,941 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-07-13 17:59:23,941 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-07-13 17:59:23,942 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-07-13 17:59:23,943 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-07-13 17:59:23,943 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-07-13 17:59:23,944 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-07-13 17:59:23,944 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-07-13 17:59:23,945 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-07-13 17:59:23,946 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-07-13 17:59:23,946 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-07-13 17:59:23,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-07-13 17:59:23,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-07-13 17:59:23,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-07-13 17:59:23,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-07-13 17:59:23,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-07-13 17:59:23,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-07-13 17:59:23,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-07-13 17:59:23,951 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-07-13 17:59:23,977 INFO L113 SettingsManager]: Loading preferences was successful [2022-07-13 17:59:23,978 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-07-13 17:59:23,979 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-07-13 17:59:23,979 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-07-13 17:59:23,979 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-07-13 17:59:23,979 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-07-13 17:59:23,980 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-07-13 17:59:23,980 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-07-13 17:59:23,980 INFO L138 SettingsManager]: * Use SBE=true [2022-07-13 17:59:23,981 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-07-13 17:59:23,981 INFO L138 SettingsManager]: * sizeof long=4 [2022-07-13 17:59:23,981 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-07-13 17:59:23,981 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-07-13 17:59:23,981 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-07-13 17:59:23,982 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-07-13 17:59:23,982 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-07-13 17:59:23,982 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-07-13 17:59:23,982 INFO L138 SettingsManager]: * sizeof long double=12 [2022-07-13 17:59:23,982 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-07-13 17:59:23,982 INFO L138 SettingsManager]: * Use constant arrays=true [2022-07-13 17:59:23,982 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-07-13 17:59:23,983 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-07-13 17:59:23,983 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-07-13 17:59:23,983 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-07-13 17:59:23,983 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:59:23,983 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-07-13 17:59:23,984 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-07-13 17:59:23,984 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-07-13 17:59:23,984 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-07-13 17:59:23,984 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-07-13 17:59:23,984 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-07-13 17:59:23,984 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-07-13 17:59:23,984 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-07-13 17:59:23,985 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 458689bcd0930e2b07a61b7490d83be8ce4e59412b26a60581bf78c492ee412e [2022-07-13 17:59:24,186 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-07-13 17:59:24,200 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-07-13 17:59:24,202 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-07-13 17:59:24,203 INFO L271 PluginConnector]: Initializing CDTParser... [2022-07-13 17:59:24,203 INFO L275 PluginConnector]: CDTParser initialized [2022-07-13 17:59:24,204 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2022-07-13 17:59:24,249 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f19753e1/ea105c35d3ca4cf884fe115f47ce5faa/FLAG1340bbc0a [2022-07-13 17:59:24,652 INFO L306 CDTParser]: Found 1 translation units. [2022-07-13 17:59:24,653 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product46.cil.c [2022-07-13 17:59:24,671 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f19753e1/ea105c35d3ca4cf884fe115f47ce5faa/FLAG1340bbc0a [2022-07-13 17:59:25,039 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3f19753e1/ea105c35d3ca4cf884fe115f47ce5faa [2022-07-13 17:59:25,045 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-07-13 17:59:25,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-07-13 17:59:25,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-07-13 17:59:25,049 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-07-13 17:59:25,051 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-07-13 17:59:25,051 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:59:25" (1/1) ... [2022-07-13 17:59:25,053 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c7c2862 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:25, skipping insertion in model container [2022-07-13 17:59:25,053 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.07 05:59:25" (1/1) ... [2022-07-13 17:59:25,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-07-13 17:59:25,083 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-07-13 17:59:25,306 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_spec3_product46.cil.c[18431,18444] [2022-07-13 17:59:25,307 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:59:25,320 INFO L203 MainTranslator]: Completed pre-run [2022-07-13 17:59:25,402 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_spec3_product46.cil.c[18431,18444] [2022-07-13 17:59:25,403 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-07-13 17:59:25,425 INFO L208 MainTranslator]: Completed translation [2022-07-13 17:59:25,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:25 WrapperNode [2022-07-13 17:59:25,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-07-13 17:59:25,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-07-13 17:59:25,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-07-13 17:59:25,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-07-13 17:59:25,432 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:25" (1/1) ... [2022-07-13 17:59:25,456 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:25" (1/1) ... [2022-07-13 17:59:25,488 INFO L137 Inliner]: procedures = 55, calls = 157, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 253 [2022-07-13 17:59:25,489 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-07-13 17:59:25,490 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-07-13 17:59:25,490 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-07-13 17:59:25,490 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-07-13 17:59:25,496 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:25" (1/1) ... [2022-07-13 17:59:25,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:25" (1/1) ... [2022-07-13 17:59:25,503 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:25" (1/1) ... [2022-07-13 17:59:25,504 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:25" (1/1) ... [2022-07-13 17:59:25,516 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:25" (1/1) ... [2022-07-13 17:59:25,522 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:25" (1/1) ... [2022-07-13 17:59:25,527 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:25" (1/1) ... [2022-07-13 17:59:25,529 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-07-13 17:59:25,531 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-07-13 17:59:25,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-07-13 17:59:25,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-07-13 17:59:25,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:25" (1/1) ... [2022-07-13 17:59:25,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-07-13 17:59:25,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:59:25,557 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) [2022-07-13 17:59:25,584 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 [2022-07-13 17:59:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-07-13 17:59:25,596 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-07-13 17:59:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-07-13 17:59:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-07-13 17:59:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-07-13 17:59:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-07-13 17:59:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-07-13 17:59:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-07-13 17:59:25,597 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-07-13 17:59:25,597 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-07-13 17:59:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-07-13 17:59:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-07-13 17:59:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-07-13 17:59:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-07-13 17:59:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-07-13 17:59:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-07-13 17:59:25,598 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-07-13 17:59:25,598 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-07-13 17:59:25,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-07-13 17:59:25,599 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-07-13 17:59:25,666 INFO L234 CfgBuilder]: Building ICFG [2022-07-13 17:59:25,668 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-07-13 17:59:25,936 INFO L275 CfgBuilder]: Performing block encoding [2022-07-13 17:59:25,941 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-07-13 17:59:25,941 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2022-07-13 17:59:25,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:59:25 BoogieIcfgContainer [2022-07-13 17:59:25,943 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-07-13 17:59:25,944 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-07-13 17:59:25,944 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-07-13 17:59:25,949 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-07-13 17:59:25,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.07 05:59:25" (1/3) ... [2022-07-13 17:59:25,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159c7029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:59:25, skipping insertion in model container [2022-07-13 17:59:25,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.07 05:59:25" (2/3) ... [2022-07-13 17:59:25,950 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@159c7029 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 05:59:25, skipping insertion in model container [2022-07-13 17:59:25,950 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:59:25" (3/3) ... [2022-07-13 17:59:25,951 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product46.cil.c [2022-07-13 17:59:25,960 INFO L201 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-07-13 17:59:25,960 INFO L160 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-07-13 17:59:25,996 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-07-13 17:59:26,002 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@7172f7f2, mLbeIndependenceSettings=de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings@548f39be [2022-07-13 17:59:26,003 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-07-13 17:59:26,008 INFO L276 IsEmpty]: Start isEmpty. Operand has 96 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 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) [2022-07-13 17:59:26,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-07-13 17:59:26,018 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:26,019 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] [2022-07-13 17:59:26,019 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:26,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:26,024 INFO L85 PathProgramCache]: Analyzing trace with hash -1887688965, now seen corresponding path program 1 times [2022-07-13 17:59:26,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:26,031 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2038489886] [2022-07-13 17:59:26,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:26,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:26,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:26,233 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-07-13 17:59:26,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:26,244 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:26,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:26,245 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2038489886] [2022-07-13 17:59:26,246 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2038489886] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:26,246 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:26,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-07-13 17:59:26,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1252923510] [2022-07-13 17:59:26,248 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:26,251 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-07-13 17:59:26,251 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:26,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-07-13 17:59:26,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-07-13 17:59:26,277 INFO L87 Difference]: Start difference. First operand has 96 states, 72 states have (on average 1.375) internal successors, (99), 80 states have internal predecessors, (99), 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) [2022-07-13 17:59:26,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:26,318 INFO L93 Difference]: Finished difference Result 184 states and 249 transitions. [2022-07-13 17:59:26,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-07-13 17:59:26,320 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 [2022-07-13 17:59:26,321 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:26,330 INFO L225 Difference]: With dead ends: 184 [2022-07-13 17:59:26,330 INFO L226 Difference]: Without dead ends: 87 [2022-07-13 17:59:26,334 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 [2022-07-13 17:59:26,337 INFO L413 NwaCegarLoop]: 121 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, 121 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 [2022-07-13 17:59:26,338 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:59:26,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2022-07-13 17:59:26,372 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2022-07-13 17:59:26,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 65 states have (on average 1.3076923076923077) internal successors, (85), 72 states have internal predecessors, (85), 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) [2022-07-13 17:59:26,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 112 transitions. [2022-07-13 17:59:26,381 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 112 transitions. Word has length 25 [2022-07-13 17:59:26,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:26,382 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 112 transitions. [2022-07-13 17:59:26,382 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) [2022-07-13 17:59:26,383 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 112 transitions. [2022-07-13 17:59:26,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-07-13 17:59:26,385 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:26,385 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] [2022-07-13 17:59:26,385 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-07-13 17:59:26,386 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:26,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:26,387 INFO L85 PathProgramCache]: Analyzing trace with hash -2062523597, now seen corresponding path program 1 times [2022-07-13 17:59:26,387 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:26,387 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1765210779] [2022-07-13 17:59:26,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:26,388 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:26,449 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-07-13 17:59:26,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:26,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:26,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:26,459 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1765210779] [2022-07-13 17:59:26,459 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1765210779] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:26,459 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:26,460 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-07-13 17:59:26,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496398416] [2022-07-13 17:59:26,460 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:26,462 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-07-13 17:59:26,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:26,463 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-07-13 17:59:26,463 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-07-13 17:59:26,464 INFO L87 Difference]: Start difference. First operand 87 states and 112 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) [2022-07-13 17:59:26,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:26,483 INFO L93 Difference]: Finished difference Result 139 states and 179 transitions. [2022-07-13 17:59:26,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-07-13 17:59:26,484 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 [2022-07-13 17:59:26,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:26,485 INFO L225 Difference]: With dead ends: 139 [2022-07-13 17:59:26,485 INFO L226 Difference]: Without dead ends: 78 [2022-07-13 17:59:26,486 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 [2022-07-13 17:59:26,486 INFO L413 NwaCegarLoop]: 99 mSDtfsCounter, 13 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 181 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 [2022-07-13 17:59:26,487 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 181 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:59:26,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-07-13 17:59:26,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-07-13 17:59:26,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 59 states have (on average 1.3220338983050848) internal successors, (78), 66 states have internal predecessors, (78), 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) [2022-07-13 17:59:26,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2022-07-13 17:59:26,493 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 26 [2022-07-13 17:59:26,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:26,493 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2022-07-13 17:59:26,493 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) [2022-07-13 17:59:26,493 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2022-07-13 17:59:26,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-07-13 17:59:26,494 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:26,495 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] [2022-07-13 17:59:26,495 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-07-13 17:59:26,495 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:26,496 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:26,496 INFO L85 PathProgramCache]: Analyzing trace with hash -89675643, now seen corresponding path program 1 times [2022-07-13 17:59:26,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:26,496 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712147661] [2022-07-13 17:59:26,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:26,498 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:26,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 17:59:26,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:26,565 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:26,566 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:26,566 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [712147661] [2022-07-13 17:59:26,567 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [712147661] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:26,567 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:26,568 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:59:26,568 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167863014] [2022-07-13 17:59:26,568 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:26,569 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:59:26,569 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:26,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:59:26,570 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:59:26,570 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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) [2022-07-13 17:59:26,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:26,653 INFO L93 Difference]: Finished difference Result 149 states and 194 transitions. [2022-07-13 17:59:26,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-07-13 17:59:26,653 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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 31 [2022-07-13 17:59:26,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:26,654 INFO L225 Difference]: With dead ends: 149 [2022-07-13 17:59:26,654 INFO L226 Difference]: Without dead ends: 78 [2022-07-13 17:59:26,655 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-07-13 17:59:26,656 INFO L413 NwaCegarLoop]: 93 mSDtfsCounter, 125 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:26,656 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 207 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:26,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2022-07-13 17:59:26,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2022-07-13 17:59:26,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 78 states, 59 states have (on average 1.305084745762712) internal successors, (77), 66 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) [2022-07-13 17:59:26,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 99 transitions. [2022-07-13 17:59:26,664 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 99 transitions. Word has length 31 [2022-07-13 17:59:26,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:26,664 INFO L495 AbstractCegarLoop]: Abstraction has 78 states and 99 transitions. [2022-07-13 17:59:26,664 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.666666666666667) internal successors, (28), 6 states have internal predecessors, (28), 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) [2022-07-13 17:59:26,664 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 99 transitions. [2022-07-13 17:59:26,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-07-13 17:59:26,668 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:26,669 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] [2022-07-13 17:59:26,669 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-07-13 17:59:26,669 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:26,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:26,670 INFO L85 PathProgramCache]: Analyzing trace with hash -106405387, now seen corresponding path program 1 times [2022-07-13 17:59:26,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:26,670 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147951890] [2022-07-13 17:59:26,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:26,670 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:26,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:26,721 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 17:59:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:26,730 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2022-07-13 17:59:26,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:26,735 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2022-07-13 17:59:26,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:26,739 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:26,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:26,740 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1147951890] [2022-07-13 17:59:26,740 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1147951890] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:26,740 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:26,740 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-07-13 17:59:26,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44406713] [2022-07-13 17:59:26,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:26,741 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-07-13 17:59:26,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:26,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-07-13 17:59:26,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-07-13 17:59:26,742 INFO L87 Difference]: Start difference. First operand 78 states and 99 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2022-07-13 17:59:26,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:26,934 INFO L93 Difference]: Finished difference Result 233 states and 295 transitions. [2022-07-13 17:59:26,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-07-13 17:59:26,934 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 41 [2022-07-13 17:59:26,934 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:26,935 INFO L225 Difference]: With dead ends: 233 [2022-07-13 17:59:26,935 INFO L226 Difference]: Without dead ends: 162 [2022-07-13 17:59:26,936 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 [2022-07-13 17:59:26,937 INFO L413 NwaCegarLoop]: 138 mSDtfsCounter, 187 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 58 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 189 SdHoareTripleChecker+Valid, 313 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 [2022-07-13 17:59:26,938 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [189 Valid, 313 Invalid, 167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [58 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:26,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2022-07-13 17:59:26,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 156. [2022-07-13 17:59:26,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 119 states have (on average 1.2605042016806722) internal successors, (150), 127 states have internal predecessors, (150), 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) [2022-07-13 17:59:26,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 191 transitions. [2022-07-13 17:59:26,964 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 191 transitions. Word has length 41 [2022-07-13 17:59:26,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:26,965 INFO L495 AbstractCegarLoop]: Abstraction has 156 states and 191 transitions. [2022-07-13 17:59:26,965 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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) [2022-07-13 17:59:26,965 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 191 transitions. [2022-07-13 17:59:26,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2022-07-13 17:59:26,966 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:26,966 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] [2022-07-13 17:59:26,966 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-07-13 17:59:26,966 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:26,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:26,966 INFO L85 PathProgramCache]: Analyzing trace with hash -822814067, now seen corresponding path program 1 times [2022-07-13 17:59:26,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:26,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [889502098] [2022-07-13 17:59:26,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:26,967 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:27,048 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 17:59:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:27,061 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:59:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:27,068 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2022-07-13 17:59:27,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:27,075 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:27,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:27,076 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [889502098] [2022-07-13 17:59:27,076 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [889502098] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:27,076 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:27,077 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:59:27,080 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1779832202] [2022-07-13 17:59:27,080 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:27,080 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:59:27,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:27,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:59:27,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:59:27,081 INFO L87 Difference]: Start difference. First operand 156 states and 191 transitions. Second operand has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-13 17:59:27,253 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:27,253 INFO L93 Difference]: Finished difference Result 405 states and 515 transitions. [2022-07-13 17:59:27,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:59:27,253 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 47 [2022-07-13 17:59:27,254 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:27,255 INFO L225 Difference]: With dead ends: 405 [2022-07-13 17:59:27,255 INFO L226 Difference]: Without dead ends: 256 [2022-07-13 17:59:27,256 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2022-07-13 17:59:27,257 INFO L413 NwaCegarLoop]: 100 mSDtfsCounter, 138 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 145 SdHoareTripleChecker+Valid, 366 SdHoareTripleChecker+Invalid, 219 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:27,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [145 Valid, 366 Invalid, 219 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:27,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2022-07-13 17:59:27,274 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 248. [2022-07-13 17:59:27,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 248 states, 189 states have (on average 1.2486772486772486) internal successors, (236), 200 states have internal predecessors, (236), 30 states have call successors, (30), 26 states have call predecessors, (30), 28 states have return successors, (40), 30 states have call predecessors, (40), 30 states have call successors, (40) [2022-07-13 17:59:27,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 248 states to 248 states and 306 transitions. [2022-07-13 17:59:27,275 INFO L78 Accepts]: Start accepts. Automaton has 248 states and 306 transitions. Word has length 47 [2022-07-13 17:59:27,276 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:27,276 INFO L495 AbstractCegarLoop]: Abstraction has 248 states and 306 transitions. [2022-07-13 17:59:27,276 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 5 states have internal predecessors, (40), 2 states have call successors, (4), 3 states have call predecessors, (4), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2022-07-13 17:59:27,276 INFO L276 IsEmpty]: Start isEmpty. Operand 248 states and 306 transitions. [2022-07-13 17:59:27,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-13 17:59:27,277 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:27,277 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, 1] [2022-07-13 17:59:27,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-07-13 17:59:27,277 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:27,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:27,277 INFO L85 PathProgramCache]: Analyzing trace with hash 688456935, now seen corresponding path program 1 times [2022-07-13 17:59:27,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:27,278 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440348246] [2022-07-13 17:59:27,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:27,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:27,335 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:27,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:27,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 17:59:27,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:27,348 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:59:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:27,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:59:27,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:27,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:27,351 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:27,351 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440348246] [2022-07-13 17:59:27,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1440348246] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:27,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:27,352 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:59:27,352 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1275169809] [2022-07-13 17:59:27,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:27,352 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:59:27,355 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:27,356 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:59:27,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:59:27,356 INFO L87 Difference]: Start difference. First operand 248 states and 306 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 17:59:27,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:27,735 INFO L93 Difference]: Finished difference Result 594 states and 765 transitions. [2022-07-13 17:59:27,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-13 17:59:27,736 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-07-13 17:59:27,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:27,742 INFO L225 Difference]: With dead ends: 594 [2022-07-13 17:59:27,742 INFO L226 Difference]: Without dead ends: 445 [2022-07-13 17:59:27,744 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=106, Invalid=236, Unknown=0, NotChecked=0, Total=342 [2022-07-13 17:59:27,757 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 299 mSDsluCounter, 263 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 303 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 445 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:27,759 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [303 Valid, 364 Invalid, 445 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [113 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-07-13 17:59:27,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2022-07-13 17:59:27,807 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 411. [2022-07-13 17:59:27,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 312 states have (on average 1.2243589743589745) internal successors, (382), 332 states have internal predecessors, (382), 50 states have call successors, (50), 39 states have call predecessors, (50), 48 states have return successors, (77), 51 states have call predecessors, (77), 50 states have call successors, (77) [2022-07-13 17:59:27,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 509 transitions. [2022-07-13 17:59:27,811 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 509 transitions. Word has length 51 [2022-07-13 17:59:27,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:27,813 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 509 transitions. [2022-07-13 17:59:27,813 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 17:59:27,813 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 509 transitions. [2022-07-13 17:59:27,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-13 17:59:27,820 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:27,820 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, 1] [2022-07-13 17:59:27,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-07-13 17:59:27,821 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:27,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:27,821 INFO L85 PathProgramCache]: Analyzing trace with hash 554443429, now seen corresponding path program 1 times [2022-07-13 17:59:27,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:27,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [23866880] [2022-07-13 17:59:27,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:27,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:27,871 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:27,877 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 17:59:27,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:27,894 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:59:27,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:27,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:59:27,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:27,898 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:27,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:27,899 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [23866880] [2022-07-13 17:59:27,899 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [23866880] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:27,899 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:27,899 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-07-13 17:59:27,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105804459] [2022-07-13 17:59:27,899 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:27,900 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-07-13 17:59:27,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:27,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-07-13 17:59:27,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-07-13 17:59:27,901 INFO L87 Difference]: Start difference. First operand 411 states and 509 transitions. Second operand has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 17:59:28,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:28,139 INFO L93 Difference]: Finished difference Result 761 states and 949 transitions. [2022-07-13 17:59:28,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-07-13 17:59:28,140 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-07-13 17:59:28,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:28,147 INFO L225 Difference]: With dead ends: 761 [2022-07-13 17:59:28,147 INFO L226 Difference]: Without dead ends: 445 [2022-07-13 17:59:28,148 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-07-13 17:59:28,153 INFO L413 NwaCegarLoop]: 118 mSDtfsCounter, 159 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 213 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 273 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 213 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:28,154 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 336 Invalid, 273 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 213 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 17:59:28,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 445 states. [2022-07-13 17:59:28,187 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 445 to 411. [2022-07-13 17:59:28,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 411 states, 312 states have (on average 1.2211538461538463) internal successors, (381), 332 states have internal predecessors, (381), 50 states have call successors, (50), 39 states have call predecessors, (50), 48 states have return successors, (77), 51 states have call predecessors, (77), 50 states have call successors, (77) [2022-07-13 17:59:28,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 411 states to 411 states and 508 transitions. [2022-07-13 17:59:28,191 INFO L78 Accepts]: Start accepts. Automaton has 411 states and 508 transitions. Word has length 51 [2022-07-13 17:59:28,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:28,191 INFO L495 AbstractCegarLoop]: Abstraction has 411 states and 508 transitions. [2022-07-13 17:59:28,191 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.0) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 17:59:28,191 INFO L276 IsEmpty]: Start isEmpty. Operand 411 states and 508 transitions. [2022-07-13 17:59:28,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2022-07-13 17:59:28,192 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:28,192 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, 1] [2022-07-13 17:59:28,192 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-07-13 17:59:28,192 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:28,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:28,193 INFO L85 PathProgramCache]: Analyzing trace with hash 773298147, now seen corresponding path program 1 times [2022-07-13 17:59:28,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:28,193 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292602211] [2022-07-13 17:59:28,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:28,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:28,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:28,214 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:28,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:28,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 17:59:28,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:28,240 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:59:28,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:28,244 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2022-07-13 17:59:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:28,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:28,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:28,246 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292602211] [2022-07-13 17:59:28,247 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292602211] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:28,247 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:28,249 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-07-13 17:59:28,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851899107] [2022-07-13 17:59:28,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:28,250 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-07-13 17:59:28,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:28,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-07-13 17:59:28,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-07-13 17:59:28,250 INFO L87 Difference]: Start difference. First operand 411 states and 508 transitions. Second operand has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 17:59:28,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:28,438 INFO L93 Difference]: Finished difference Result 844 states and 1055 transitions. [2022-07-13 17:59:28,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-07-13 17:59:28,438 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51 [2022-07-13 17:59:28,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:28,440 INFO L225 Difference]: With dead ends: 844 [2022-07-13 17:59:28,441 INFO L226 Difference]: Without dead ends: 440 [2022-07-13 17:59:28,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2022-07-13 17:59:28,442 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 163 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 305 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:28,442 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 385 Invalid, 305 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [50 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:28,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2022-07-13 17:59:28,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 414. [2022-07-13 17:59:28,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 317 states have (on average 1.2145110410094637) internal successors, (385), 336 states have internal predecessors, (385), 49 states have call successors, (49), 38 states have call predecessors, (49), 47 states have return successors, (76), 50 states have call predecessors, (76), 49 states have call successors, (76) [2022-07-13 17:59:28,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 510 transitions. [2022-07-13 17:59:28,459 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 510 transitions. Word has length 51 [2022-07-13 17:59:28,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:28,460 INFO L495 AbstractCegarLoop]: Abstraction has 414 states and 510 transitions. [2022-07-13 17:59:28,460 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 3 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2022-07-13 17:59:28,460 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 510 transitions. [2022-07-13 17:59:28,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2022-07-13 17:59:28,461 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:28,461 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] [2022-07-13 17:59:28,461 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-07-13 17:59:28,461 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:28,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:28,462 INFO L85 PathProgramCache]: Analyzing trace with hash 271087281, now seen corresponding path program 1 times [2022-07-13 17:59:28,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:28,462 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1502409301] [2022-07-13 17:59:28,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:28,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:28,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:28,484 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:28,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:28,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 17:59:28,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:28,507 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:59:28,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:28,521 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:59:28,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:28,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2022-07-13 17:59:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:28,532 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 17:59:28,532 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:28,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1502409301] [2022-07-13 17:59:28,532 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1502409301] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:59:28,532 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1907608550] [2022-07-13 17:59:28,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:28,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:59:28,533 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:59:28,534 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) [2022-07-13 17:59:28,543 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2022-07-13 17:59:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:28,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 386 conjuncts, 17 conjunts are in the unsatisfiable core [2022-07-13 17:59:28,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:59:28,735 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-07-13 17:59:28,736 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 17:59:28,736 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1907608550] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:28,736 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 17:59:28,736 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [11] total 16 [2022-07-13 17:59:28,736 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255863200] [2022-07-13 17:59:28,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:28,737 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 17:59:28,737 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:28,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 17:59:28,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-07-13 17:59:28,738 INFO L87 Difference]: Start difference. First operand 414 states and 510 transitions. Second operand has 8 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-13 17:59:28,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:28,850 INFO L93 Difference]: Finished difference Result 1211 states and 1518 transitions. [2022-07-13 17:59:28,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 17:59:28,850 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2022-07-13 17:59:28,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:28,858 INFO L225 Difference]: With dead ends: 1211 [2022-07-13 17:59:28,858 INFO L226 Difference]: Without dead ends: 804 [2022-07-13 17:59:28,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2022-07-13 17:59:28,859 INFO L413 NwaCegarLoop]: 108 mSDtfsCounter, 55 mSDsluCounter, 501 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 609 SdHoareTripleChecker+Invalid, 162 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:28,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 609 Invalid, 162 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:28,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 804 states. [2022-07-13 17:59:28,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 804 to 802. [2022-07-13 17:59:28,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 612 states have (on average 1.2026143790849673) internal successors, (736), 646 states have internal predecessors, (736), 97 states have call successors, (97), 76 states have call predecessors, (97), 92 states have return successors, (154), 98 states have call predecessors, (154), 97 states have call successors, (154) [2022-07-13 17:59:28,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 987 transitions. [2022-07-13 17:59:28,889 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 987 transitions. Word has length 60 [2022-07-13 17:59:28,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:28,889 INFO L495 AbstractCegarLoop]: Abstraction has 802 states and 987 transitions. [2022-07-13 17:59:28,890 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.125) internal successors, (49), 5 states have internal predecessors, (49), 2 states have call successors, (6), 2 states have call predecessors, (6), 4 states have return successors, (5), 4 states have call predecessors, (5), 2 states have call successors, (5) [2022-07-13 17:59:28,890 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 987 transitions. [2022-07-13 17:59:28,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2022-07-13 17:59:28,891 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:28,891 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] [2022-07-13 17:59:28,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2022-07-13 17:59:29,111 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:59:29,112 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:29,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:29,112 INFO L85 PathProgramCache]: Analyzing trace with hash -907258435, now seen corresponding path program 1 times [2022-07-13 17:59:29,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:29,112 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [273356292] [2022-07-13 17:59:29,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:29,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:29,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:29,150 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:29,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:29,156 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-07-13 17:59:29,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:29,167 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:59:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:29,169 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:59:29,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:29,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2022-07-13 17:59:29,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:29,172 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-07-13 17:59:29,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:29,172 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [273356292] [2022-07-13 17:59:29,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [273356292] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:29,173 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:29,173 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2022-07-13 17:59:29,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1137879410] [2022-07-13 17:59:29,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:29,173 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-07-13 17:59:29,174 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:29,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-07-13 17:59:29,174 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2022-07-13 17:59:29,174 INFO L87 Difference]: Start difference. First operand 802 states and 987 transitions. Second operand has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 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) [2022-07-13 17:59:29,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:29,512 INFO L93 Difference]: Finished difference Result 1620 states and 1989 transitions. [2022-07-13 17:59:29,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-07-13 17:59:29,512 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 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 61 [2022-07-13 17:59:29,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:29,516 INFO L225 Difference]: With dead ends: 1620 [2022-07-13 17:59:29,516 INFO L226 Difference]: Without dead ends: 825 [2022-07-13 17:59:29,518 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=330, Unknown=0, NotChecked=0, Total=420 [2022-07-13 17:59:29,518 INFO L413 NwaCegarLoop]: 160 mSDtfsCounter, 300 mSDsluCounter, 523 mSDsCounter, 0 mSdLazyCounter, 525 mSolverCounterSat, 114 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 301 SdHoareTripleChecker+Valid, 683 SdHoareTripleChecker+Invalid, 639 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 114 IncrementalHoareTripleChecker+Valid, 525 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:29,519 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [301 Valid, 683 Invalid, 639 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [114 Valid, 525 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-07-13 17:59:29,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 825 states. [2022-07-13 17:59:29,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 825 to 802. [2022-07-13 17:59:29,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 802 states, 612 states have (on average 1.1862745098039216) internal successors, (726), 646 states have internal predecessors, (726), 97 states have call successors, (97), 76 states have call predecessors, (97), 92 states have return successors, (139), 98 states have call predecessors, (139), 97 states have call successors, (139) [2022-07-13 17:59:29,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 802 states and 962 transitions. [2022-07-13 17:59:29,549 INFO L78 Accepts]: Start accepts. Automaton has 802 states and 962 transitions. Word has length 61 [2022-07-13 17:59:29,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:29,549 INFO L495 AbstractCegarLoop]: Abstraction has 802 states and 962 transitions. [2022-07-13 17:59:29,549 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.8) internal successors, (48), 8 states have internal predecessors, (48), 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) [2022-07-13 17:59:29,549 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 962 transitions. [2022-07-13 17:59:29,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-07-13 17:59:29,550 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:29,550 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] [2022-07-13 17:59:29,551 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-07-13 17:59:29,551 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:29,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:29,551 INFO L85 PathProgramCache]: Analyzing trace with hash -662505803, now seen corresponding path program 1 times [2022-07-13 17:59:29,551 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:29,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [155556620] [2022-07-13 17:59:29,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:29,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:29,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:29,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:29,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2022-07-13 17:59:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:29,625 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-07-13 17:59:29,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:29,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:59:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:29,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:59:29,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:29,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2022-07-13 17:59:29,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:29,645 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-07-13 17:59:29,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:29,645 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [155556620] [2022-07-13 17:59:29,645 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [155556620] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:29,645 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:29,645 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2022-07-13 17:59:29,645 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1752930404] [2022-07-13 17:59:29,646 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:29,646 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2022-07-13 17:59:29,646 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:29,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2022-07-13 17:59:29,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=110, Unknown=0, NotChecked=0, Total=132 [2022-07-13 17:59:29,647 INFO L87 Difference]: Start difference. First operand 802 states and 962 transitions. Second operand has 12 states, 12 states have (on average 4.25) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-13 17:59:30,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:30,435 INFO L93 Difference]: Finished difference Result 1598 states and 1936 transitions. [2022-07-13 17:59:30,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2022-07-13 17:59:30,436 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 64 [2022-07-13 17:59:30,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:30,439 INFO L225 Difference]: With dead ends: 1598 [2022-07-13 17:59:30,439 INFO L226 Difference]: Without dead ends: 803 [2022-07-13 17:59:30,442 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 288 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=262, Invalid=1070, Unknown=0, NotChecked=0, Total=1332 [2022-07-13 17:59:30,442 INFO L413 NwaCegarLoop]: 156 mSDtfsCounter, 345 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 1214 mSolverCounterSat, 204 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 404 SdHoareTripleChecker+Invalid, 1418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 204 IncrementalHoareTripleChecker+Valid, 1214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:30,443 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [346 Valid, 404 Invalid, 1418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [204 Valid, 1214 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 17:59:30,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 803 states. [2022-07-13 17:59:30,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 803 to 770. [2022-07-13 17:59:30,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 580 states have (on average 1.1551724137931034) internal successors, (670), 614 states have internal predecessors, (670), 97 states have call successors, (97), 76 states have call predecessors, (97), 92 states have return successors, (133), 98 states have call predecessors, (133), 97 states have call successors, (133) [2022-07-13 17:59:30,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 900 transitions. [2022-07-13 17:59:30,474 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 900 transitions. Word has length 64 [2022-07-13 17:59:30,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:30,474 INFO L495 AbstractCegarLoop]: Abstraction has 770 states and 900 transitions. [2022-07-13 17:59:30,474 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 4.25) internal successors, (51), 8 states have internal predecessors, (51), 2 states have call successors, (7), 5 states have call predecessors, (7), 3 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2022-07-13 17:59:30,474 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 900 transitions. [2022-07-13 17:59:30,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-07-13 17:59:30,476 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:30,477 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] [2022-07-13 17:59:30,477 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-07-13 17:59:30,477 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:30,477 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:30,477 INFO L85 PathProgramCache]: Analyzing trace with hash 2101060045, now seen corresponding path program 1 times [2022-07-13 17:59:30,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:30,478 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437519599] [2022-07-13 17:59:30,478 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:30,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:30,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 17:59:30,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,520 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:59:30,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,540 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:59:30,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,543 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:59:30,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 17:59:30,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,555 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-13 17:59:30,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,557 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-13 17:59:30,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,558 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:59:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,560 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-13 17:59:30,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,561 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-13 17:59:30,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:30,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437519599] [2022-07-13 17:59:30,561 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437519599] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:30,561 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-07-13 17:59:30,562 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-07-13 17:59:30,562 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1975172314] [2022-07-13 17:59:30,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:30,562 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2022-07-13 17:59:30,562 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:30,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2022-07-13 17:59:30,563 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2022-07-13 17:59:30,563 INFO L87 Difference]: Start difference. First operand 770 states and 900 transitions. Second operand has 8 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-13 17:59:30,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:30,732 INFO L93 Difference]: Finished difference Result 1537 states and 1816 transitions. [2022-07-13 17:59:30,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-07-13 17:59:30,733 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 99 [2022-07-13 17:59:30,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:30,735 INFO L225 Difference]: With dead ends: 1537 [2022-07-13 17:59:30,736 INFO L226 Difference]: Without dead ends: 774 [2022-07-13 17:59:30,737 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2022-07-13 17:59:30,738 INFO L413 NwaCegarLoop]: 95 mSDtfsCounter, 136 mSDsluCounter, 290 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 45 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 144 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 300 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 45 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:30,738 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [144 Valid, 385 Invalid, 300 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [45 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-07-13 17:59:30,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 774 states. [2022-07-13 17:59:30,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 774 to 770. [2022-07-13 17:59:30,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 770 states, 580 states have (on average 1.1482758620689655) internal successors, (666), 614 states have internal predecessors, (666), 97 states have call successors, (97), 76 states have call predecessors, (97), 92 states have return successors, (133), 98 states have call predecessors, (133), 97 states have call successors, (133) [2022-07-13 17:59:30,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 770 states and 896 transitions. [2022-07-13 17:59:30,767 INFO L78 Accepts]: Start accepts. Automaton has 770 states and 896 transitions. Word has length 99 [2022-07-13 17:59:30,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:30,767 INFO L495 AbstractCegarLoop]: Abstraction has 770 states and 896 transitions. [2022-07-13 17:59:30,767 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 8.5) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (8), 5 states have call predecessors, (8), 2 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-13 17:59:30,767 INFO L276 IsEmpty]: Start isEmpty. Operand 770 states and 896 transitions. [2022-07-13 17:59:30,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-07-13 17:59:30,769 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:30,769 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] [2022-07-13 17:59:30,769 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-07-13 17:59:30,770 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:30,770 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:30,770 INFO L85 PathProgramCache]: Analyzing trace with hash -1306684405, now seen corresponding path program 1 times [2022-07-13 17:59:30,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:30,770 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1800571584] [2022-07-13 17:59:30,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:30,771 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:30,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,793 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-07-13 17:59:30,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:59:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,839 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:59:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:59:30,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 17:59:30,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 59 [2022-07-13 17:59:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,876 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-13 17:59:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,878 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:59:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,879 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-13 17:59:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,880 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-13 17:59:30,880 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:30,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1800571584] [2022-07-13 17:59:30,880 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1800571584] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:59:30,880 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1881153766] [2022-07-13 17:59:30,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:30,880 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:59:30,881 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:59:30,884 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) [2022-07-13 17:59:30,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2022-07-13 17:59:30,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:30,965 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 4 conjunts are in the unsatisfiable core [2022-07-13 17:59:30,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:59:31,013 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2022-07-13 17:59:31,013 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2022-07-13 17:59:31,013 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1881153766] provided 1 perfect and 0 imperfect interpolant sequences [2022-07-13 17:59:31,014 INFO L184 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2022-07-13 17:59:31,014 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [15] total 17 [2022-07-13 17:59:31,014 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1652722146] [2022-07-13 17:59:31,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-07-13 17:59:31,014 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-07-13 17:59:31,014 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:31,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-07-13 17:59:31,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=237, Unknown=0, NotChecked=0, Total=272 [2022-07-13 17:59:31,015 INFO L87 Difference]: Start difference. First operand 770 states and 896 transitions. Second operand has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-13 17:59:31,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:31,055 INFO L93 Difference]: Finished difference Result 1389 states and 1635 transitions. [2022-07-13 17:59:31,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-07-13 17:59:31,056 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) Word has length 99 [2022-07-13 17:59:31,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:31,058 INFO L225 Difference]: With dead ends: 1389 [2022-07-13 17:59:31,058 INFO L226 Difference]: Without dead ends: 626 [2022-07-13 17:59:31,059 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=267, Unknown=0, NotChecked=0, Total=306 [2022-07-13 17:59:31,060 INFO L413 NwaCegarLoop]: 97 mSDtfsCounter, 11 mSDsluCounter, 185 mSDsCounter, 0 mSdLazyCounter, 8 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 282 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 8 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:31,060 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 282 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 8 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-07-13 17:59:31,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 626 states. [2022-07-13 17:59:31,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 626 to 626. [2022-07-13 17:59:31,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 626 states, 470 states have (on average 1.148936170212766) internal successors, (540), 498 states have internal predecessors, (540), 81 states have call successors, (81), 64 states have call predecessors, (81), 74 states have return successors, (103), 78 states have call predecessors, (103), 81 states have call successors, (103) [2022-07-13 17:59:31,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 626 states to 626 states and 724 transitions. [2022-07-13 17:59:31,083 INFO L78 Accepts]: Start accepts. Automaton has 626 states and 724 transitions. Word has length 99 [2022-07-13 17:59:31,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:31,083 INFO L495 AbstractCegarLoop]: Abstraction has 626 states and 724 transitions. [2022-07-13 17:59:31,083 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 17.0) internal successors, (68), 4 states have internal predecessors, (68), 2 states have call successors, (8), 2 states have call predecessors, (8), 1 states have return successors, (7), 1 states have call predecessors, (7), 2 states have call successors, (7) [2022-07-13 17:59:31,083 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 724 transitions. [2022-07-13 17:59:31,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2022-07-13 17:59:31,084 INFO L187 NwaCegarLoop]: Found error trace [2022-07-13 17:59:31,084 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] [2022-07-13 17:59:31,107 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2022-07-13 17:59:31,299 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,SelfDestructingSolverStorable12 [2022-07-13 17:59:31,299 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-07-13 17:59:31,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-07-13 17:59:31,300 INFO L85 PathProgramCache]: Analyzing trace with hash 1686740425, now seen corresponding path program 1 times [2022-07-13 17:59:31,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-07-13 17:59:31,300 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280130785] [2022-07-13 17:59:31,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:31,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-07-13 17:59:31,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,321 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2022-07-13 17:59:31,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,326 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-07-13 17:59:31,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2022-07-13 17:59:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,363 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8 [2022-07-13 17:59:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,376 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:59:31,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2022-07-13 17:59:31,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,387 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 74 [2022-07-13 17:59:31,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,388 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2022-07-13 17:59:31,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,389 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2022-07-13 17:59:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,390 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 18 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-13 17:59:31,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-07-13 17:59:31,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280130785] [2022-07-13 17:59:31,390 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [280130785] provided 0 perfect and 1 imperfect interpolant sequences [2022-07-13 17:59:31,390 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [958270670] [2022-07-13 17:59:31,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-07-13 17:59:31,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:59:31,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-07-13 17:59:31,403 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-07-13 17:59:31,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2022-07-13 17:59:31,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-07-13 17:59:31,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 482 conjuncts, 13 conjunts are in the unsatisfiable core [2022-07-13 17:59:31,486 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-07-13 17:59:31,600 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2022-07-13 17:59:31,600 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-07-13 17:59:31,788 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2022-07-13 17:59:31,788 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [958270670] provided 0 perfect and 2 imperfect interpolant sequences [2022-07-13 17:59:31,789 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-07-13 17:59:31,789 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 8, 9] total 22 [2022-07-13 17:59:31,789 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978805326] [2022-07-13 17:59:31,789 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-07-13 17:59:31,789 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2022-07-13 17:59:31,790 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-07-13 17:59:31,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2022-07-13 17:59:31,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=394, Unknown=0, NotChecked=0, Total=462 [2022-07-13 17:59:31,790 INFO L87 Difference]: Start difference. First operand 626 states and 724 transitions. Second operand has 22 states, 22 states have (on average 6.454545454545454) internal successors, (142), 15 states have internal predecessors, (142), 7 states have call successors, (23), 10 states have call predecessors, (23), 10 states have return successors, (23), 10 states have call predecessors, (23), 7 states have call successors, (23) [2022-07-13 17:59:32,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-07-13 17:59:32,813 INFO L93 Difference]: Finished difference Result 1312 states and 1568 transitions. [2022-07-13 17:59:32,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2022-07-13 17:59:32,813 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 22 states have (on average 6.454545454545454) internal successors, (142), 15 states have internal predecessors, (142), 7 states have call successors, (23), 10 states have call predecessors, (23), 10 states have return successors, (23), 10 states have call predecessors, (23), 7 states have call successors, (23) Word has length 99 [2022-07-13 17:59:32,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-07-13 17:59:32,814 INFO L225 Difference]: With dead ends: 1312 [2022-07-13 17:59:32,814 INFO L226 Difference]: Without dead ends: 0 [2022-07-13 17:59:32,817 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 212 SyntacticMatches, 1 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1152 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=1065, Invalid=3627, Unknown=0, NotChecked=0, Total=4692 [2022-07-13 17:59:32,818 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 914 mSDsluCounter, 550 mSDsCounter, 0 mSdLazyCounter, 1120 mSolverCounterSat, 460 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 916 SdHoareTripleChecker+Valid, 630 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 460 IncrementalHoareTripleChecker+Valid, 1120 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-07-13 17:59:32,818 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [916 Valid, 630 Invalid, 1580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [460 Valid, 1120 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-07-13 17:59:32,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-07-13 17:59:32,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-07-13 17:59:32,819 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) [2022-07-13 17:59:32,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-07-13 17:59:32,819 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 99 [2022-07-13 17:59:32,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-07-13 17:59:32,819 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-07-13 17:59:32,820 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 22 states have (on average 6.454545454545454) internal successors, (142), 15 states have internal predecessors, (142), 7 states have call successors, (23), 10 states have call predecessors, (23), 10 states have return successors, (23), 10 states have call predecessors, (23), 7 states have call successors, (23) [2022-07-13 17:59:32,820 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-07-13 17:59:32,820 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-07-13 17:59:32,822 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-07-13 17:59:32,843 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2022-07-13 17:59:33,041 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-07-13 17:59:33,043 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-07-13 17:59:36,658 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 720 726) no Hoare annotation was computed. [2022-07-13 17:59:36,659 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 720 726) the Hoare annotation is: true [2022-07-13 17:59:36,659 INFO L899 garLoopResultBuilder]: For program point L626-1(lines 622 633) no Hoare annotation was computed. [2022-07-13 17:59:36,659 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 622 633) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse6 (not (<= 1 ~pumpRunning~0))) (.cse5 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse4 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse2 .cse3 .cse6 .cse4) (or .cse2 .cse3 .cse6 .cse5 .cse4))) [2022-07-13 17:59:36,659 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 622 633) no Hoare annotation was computed. [2022-07-13 17:59:36,659 INFO L895 garLoopResultBuilder]: At program point L671(lines 666 674) the Hoare annotation is: (let ((.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (= ~pumpRunning~0 0)) (.cse5 (<= ~waterLevel~0 1)) (.cse6 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| 0)) (.cse13 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse8 (<= |timeShift_getWaterLevel_#res#1| 1))) (let ((.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse12 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (and .cse4 .cse11 .cse5 .cse6 .cse13 .cse8)) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse10 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse2 .cse3) (let ((.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (or (and .cse4 .cse5 .cse6 .cse7 .cse8) .cse1 .cse9 .cse3 .cse10 (and .cse11 .cse5 .cse6 .cse7 .cse8))) (or .cse0 (not (= |old(~waterLevel~0)| 1)) .cse1 .cse3 (= |timeShift_getWaterLevel_#res#1| 1)) (or .cse1 .cse9 .cse12 .cse10) (or .cse0 .cse1 .cse12 .cse10) (or .cse0 .cse1 (and (<= 1 ~pumpRunning~0) .cse6 .cse13) .cse2 .cse3 .cse10)))) [2022-07-13 17:59:36,659 INFO L895 garLoopResultBuilder]: At program point L828(lines 823 831) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (<= |old(~waterLevel~0)| 1)) .cse4 .cse0 .cse2) (or .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse0 .cse5 .cse3) (or .cse4 (and (<= 1 ~pumpRunning~0) (not (= |timeShift_isPumpRunning_#res#1| 0)) (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| 0) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse0 .cse2 .cse3))) [2022-07-13 17:59:36,659 INFO L899 garLoopResultBuilder]: For program point L700-1(lines 699 718) no Hoare annotation was computed. [2022-07-13 17:59:36,659 INFO L899 garLoopResultBuilder]: For program point L762(lines 762 770) no Hoare annotation was computed. [2022-07-13 17:59:36,659 INFO L899 garLoopResultBuilder]: For program point L758(lines 758 775) no Hoare annotation was computed. [2022-07-13 17:59:36,659 INFO L899 garLoopResultBuilder]: For program point L73(lines 73 79) no Hoare annotation was computed. [2022-07-13 17:59:36,659 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 696 719) no Hoare annotation was computed. [2022-07-13 17:59:36,660 INFO L899 garLoopResultBuilder]: For program point L69(lines 69 82) no Hoare annotation was computed. [2022-07-13 17:59:36,660 INFO L895 garLoopResultBuilder]: At program point L69-1(lines 54 86) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse8 (= ~pumpRunning~0 0)) (.cse17 (= ~methaneLevelCritical~0 0)) (.cse11 (<= ~waterLevel~0 1)) (.cse13 (= 1 ~systemActive~0)) (.cse15 (<= |timeShift___utac_acc__Specification3_spec__1_~tmp___0~0#1| 1)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse16 (<= |timeShift_getWaterLevel_#res#1| 1)) (.cse2 (= |timeShift___utac_acc__Specification3_spec__1_~tmp~0#1| 0))) (let ((.cse9 (not .cse2)) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (and .cse10 .cse8 .cse17 .cse11 .cse13 .cse15 .cse2 .cse3 .cse16)) (.cse1 (not .cse13)) (.cse14 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not .cse17)) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse12 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse6 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 (and (<= 1 ~pumpRunning~0) .cse2 .cse3) .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse7 (and .cse8 .cse3 .cse9) .cse6) (or (and .cse10 .cse11 .cse12 .cse9) (and .cse0 .cse8 .cse11 .cse13 .cse12 .cse9) .cse1 .cse14 .cse7 .cse6) (or (not (<= |old(~waterLevel~0)| 1)) .cse0 .cse1 .cse4 .cse5) (or .cse1 (and .cse10 .cse11 .cse15 .cse2 .cse12 .cse16) .cse14 .cse4 (and .cse0 .cse8 .cse11 .cse13 .cse15 .cse2 .cse12 .cse16) .cse6)))) [2022-07-13 17:59:36,660 INFO L895 garLoopResultBuilder]: At program point L61(line 61) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (<= ~waterLevel~0 1)) (.cse13 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse6 (and .cse11 .cse12 .cse13)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and .cse9 .cse12 .cse13)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (and .cse11 .cse9 .cse12 .cse4)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (and (<= 1 ~pumpRunning~0) .cse4) .cse5) (or .cse2 .cse6 .cse7 .cse3 .cse8 .cse5) (or .cse1 (and .cse9 .cse4) .cse2 .cse10 .cse5) (or .cse2 .cse6 .cse7 .cse10 .cse8 .cse5) (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse3)))) [2022-07-13 17:59:36,660 INFO L899 garLoopResultBuilder]: For program point L61-1(line 61) no Hoare annotation was computed. [2022-07-13 17:59:36,660 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 606) no Hoare annotation was computed. [2022-07-13 17:59:36,660 INFO L895 garLoopResultBuilder]: At program point L602-2(lines 598 609) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse6 .cse3))) [2022-07-13 17:59:36,660 INFO L895 garLoopResultBuilder]: At program point L809(lines 804 811) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse5 .cse3) (or .cse1 .cse4 .cse2 .cse6 .cse3))) [2022-07-13 17:59:36,660 INFO L895 garLoopResultBuilder]: At program point L768(line 768) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse6 .cse3))) [2022-07-13 17:59:36,660 INFO L895 garLoopResultBuilder]: At program point L760(line 760) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= ~waterLevel~0 1) (<= ~waterLevel~0 |old(~waterLevel~0)|))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse1 .cse6 .cse3))) [2022-07-13 17:59:36,660 INFO L899 garLoopResultBuilder]: For program point L760-1(line 760) no Hoare annotation was computed. [2022-07-13 17:59:36,660 INFO L899 garLoopResultBuilder]: For program point L967(line 967) no Hoare annotation was computed. [2022-07-13 17:59:36,660 INFO L895 garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse5 .cse3 .cse4) (or .cse2 .cse5 .cse6 .cse4) (or .cse0 .cse1 .cse2 .cse6 .cse4))) [2022-07-13 17:59:36,660 INFO L895 garLoopResultBuilder]: At program point L773-1(lines 754 778) the Hoare annotation is: (let ((.cse4 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse9 (= ~pumpRunning~0 0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (<= ~waterLevel~0 1)) (.cse13 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse6 (and .cse11 .cse12 .cse13)) (.cse7 (not (<= 1 |old(~pumpRunning~0)|))) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (and .cse9 .cse12 .cse13)) (.cse5 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (and .cse11 .cse9 .cse12 .cse4)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (and (<= 1 ~pumpRunning~0) .cse4) .cse5) (or .cse2 .cse6 .cse7 .cse3 .cse8 .cse5) (or .cse1 (and .cse9 .cse4) .cse2 .cse10 .cse5) (or .cse2 .cse6 .cse7 .cse10 .cse8 .cse5) (or .cse0 (not (<= |old(~waterLevel~0)| 1)) .cse1 .cse2 .cse3)))) [2022-07-13 17:59:36,661 INFO L899 garLoopResultBuilder]: For program point L707-1(lines 707 713) no Hoare annotation was computed. [2022-07-13 17:59:36,661 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 83) no Hoare annotation was computed. [2022-07-13 17:59:36,661 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 696 719) the Hoare annotation is: (let ((.cse8 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= ~pumpRunning~0 0) .cse8)) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse8)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse0 .cse7 .cse4) (or .cse5 .cse6 .cse0 .cse2 .cse4) (or .cse0 .cse1 .cse7 .cse3 .cse4)))) [2022-07-13 17:59:36,661 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 696 719) no Hoare annotation was computed. [2022-07-13 17:59:36,661 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 967) no Hoare annotation was computed. [2022-07-13 17:59:36,661 INFO L895 garLoopResultBuilder]: At program point L968(lines 963 970) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse3) (or .cse0 .cse1 .cse5 .cse3))) [2022-07-13 17:59:36,661 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 494 523) no Hoare annotation was computed. [2022-07-13 17:59:36,661 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 494 523) the Hoare annotation is: true [2022-07-13 17:59:36,661 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 512) no Hoare annotation was computed. [2022-07-13 17:59:36,661 INFO L902 garLoopResultBuilder]: At program point L508-1(lines 508 512) the Hoare annotation is: true [2022-07-13 17:59:36,661 INFO L899 garLoopResultBuilder]: For program point L505(line 505) no Hoare annotation was computed. [2022-07-13 17:59:36,661 INFO L902 garLoopResultBuilder]: At program point L504-2(lines 504 518) the Hoare annotation is: true [2022-07-13 17:59:36,661 INFO L902 garLoopResultBuilder]: At program point L500(line 500) the Hoare annotation is: true [2022-07-13 17:59:36,661 INFO L899 garLoopResultBuilder]: For program point L500-1(line 500) no Hoare annotation was computed. [2022-07-13 17:59:36,661 INFO L902 garLoopResultBuilder]: At program point L519(lines 494 523) the Hoare annotation is: true [2022-07-13 17:59:36,661 INFO L899 garLoopResultBuilder]: For program point L515(line 515) no Hoare annotation was computed. [2022-07-13 17:59:36,661 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 634 642) the Hoare annotation is: true [2022-07-13 17:59:36,661 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 634 642) no Hoare annotation was computed. [2022-07-13 17:59:36,661 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 634 642) no Hoare annotation was computed. [2022-07-13 17:59:36,662 INFO L899 garLoopResultBuilder]: For program point L944(lines 944 948) no Hoare annotation was computed. [2022-07-13 17:59:36,662 INFO L895 garLoopResultBuilder]: At program point L944-2(lines 936 949) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-07-13 17:59:36,662 INFO L899 garLoopResultBuilder]: For program point L907(lines 906 953) no Hoare annotation was computed. [2022-07-13 17:59:36,662 INFO L895 garLoopResultBuilder]: At program point L106(lines 102 108) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:59:36,662 INFO L899 garLoopResultBuilder]: For program point L936(lines 936 949) no Hoare annotation was computed. [2022-07-13 17:59:36,662 INFO L895 garLoopResultBuilder]: At program point L928(line 928) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-07-13 17:59:36,662 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-07-13 17:59:36,662 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-07-13 17:59:36,662 INFO L902 garLoopResultBuilder]: At program point L957(lines 896 961) the Hoare annotation is: true [2022-07-13 17:59:36,662 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-07-13 17:59:36,662 INFO L899 garLoopResultBuilder]: For program point L916(lines 916 922) no Hoare annotation was computed. [2022-07-13 17:59:36,662 INFO L899 garLoopResultBuilder]: For program point L916-1(lines 916 922) no Hoare annotation was computed. [2022-07-13 17:59:36,662 INFO L899 garLoopResultBuilder]: For program point L908(lines 908 912) no Hoare annotation was computed. [2022-07-13 17:59:36,662 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-07-13 17:59:36,662 INFO L895 garLoopResultBuilder]: At program point L892(lines 887 894) the Hoare annotation is: (let ((.cse1 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse5 (<= ~waterLevel~0 2)) (.cse6 (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6))) [2022-07-13 17:59:36,662 INFO L895 garLoopResultBuilder]: At program point L954(lines 905 955) the Hoare annotation is: false [2022-07-13 17:59:36,662 INFO L902 garLoopResultBuilder]: At program point L566(lines 559 568) the Hoare annotation is: true [2022-07-13 17:59:36,662 INFO L899 garLoopResultBuilder]: For program point L579(lines 579 586) no Hoare annotation was computed. [2022-07-13 17:59:36,662 INFO L899 garLoopResultBuilder]: For program point L579-2(lines 579 586) no Hoare annotation was computed. [2022-07-13 17:59:36,663 INFO L899 garLoopResultBuilder]: For program point L926(lines 926 932) no Hoare annotation was computed. [2022-07-13 17:59:36,663 INFO L899 garLoopResultBuilder]: For program point L926-1(lines 926 932) no Hoare annotation was computed. [2022-07-13 17:59:36,663 INFO L895 garLoopResultBuilder]: At program point L121(lines 116 124) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:59:36,663 INFO L895 garLoopResultBuilder]: At program point L951(lines 906 953) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 2)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse9 (<= ~waterLevel~0 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse9 .cse2 .cse3 .cse4 .cse6) (and .cse7 .cse1 .cse9 .cse2 .cse3 .cse4 .cse6))) [2022-07-13 17:59:36,663 INFO L895 garLoopResultBuilder]: At program point L918(line 918) the Hoare annotation is: (let ((.cse5 (<= ~waterLevel~0 2)) (.cse0 (<= 1 ~pumpRunning~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse7 (= ~pumpRunning~0 0)) (.cse1 (= ~methaneLevelCritical~0 0)) (.cse9 (<= ~waterLevel~0 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~4#1| 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse8 .cse9 .cse2 .cse3 .cse4 .cse6) (and .cse7 .cse1 .cse9 .cse2 .cse3 .cse4 .cse6))) [2022-07-13 17:59:36,663 INFO L895 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:59:36,663 INFO L902 garLoopResultBuilder]: At program point L588(lines 569 591) the Hoare annotation is: true [2022-07-13 17:59:36,663 INFO L895 garLoopResultBuilder]: At program point L555(lines 551 557) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_main_~tmp~4#1| 1) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~4#1| ~systemActive~0) (= ~waterLevel~0 1)) [2022-07-13 17:59:36,663 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 610 621) no Hoare annotation was computed. [2022-07-13 17:59:36,663 INFO L899 garLoopResultBuilder]: For program point L614-1(lines 610 621) no Hoare annotation was computed. [2022-07-13 17:59:36,663 INFO L895 garLoopResultBuilder]: At program point waterRiseENTRY(lines 610 621) the Hoare annotation is: (let ((.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= 1 ~pumpRunning~0))) (.cse4 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse1 .cse2 .cse5 .cse4 .cse6) (or .cse2 .cse3 .cse7 .cse4 .cse6) (or .cse0 .cse2 .cse5 .cse7 .cse4))) [2022-07-13 17:59:36,663 INFO L895 garLoopResultBuilder]: At program point L684(lines 675 688) the Hoare annotation is: (let ((.cse13 (<= 1 ~methaneLevelCritical~0)) (.cse10 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse11 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse14 (<= ~waterLevel~0 1)) (.cse15 (= 1 ~systemActive~0)) (.cse12 (= ~pumpRunning~0 0))) (let ((.cse5 (and .cse12 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse7 (and .cse10 .cse11 .cse12 .cse14 .cse15)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse15)) (.cse8 (not .cse13)) (.cse3 (not .cse14)) (.cse9 (and .cse10 .cse11 .cse12 .cse13 .cse14 .cse15))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse5 .cse6 .cse7) (or .cse4 .cse0 .cse8 .cse5 .cse6 .cse9) (or .cse4 .cse0 .cse2 .cse7 .cse3) (or .cse0 .cse1 .cse8 .cse3) (or .cse4 .cse0 .cse8 .cse3 .cse9)))) [2022-07-13 17:59:36,663 INFO L895 garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (let ((.cse9 (= 1 ~systemActive~0)) (.cse8 (<= ~waterLevel~0 1))) (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not .cse8)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse9)) (.cse7 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse6 (and (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|) (= ~pumpRunning~0 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1|) (= |processEnvironment__wrappee__methaneQuery_~tmp~5#1| 0) .cse8 .cse9 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse5 .cse6) (or .cse0 .cse1 .cse7 .cse3) (or .cse4 .cse0 .cse7 .cse5 .cse6)))) [2022-07-13 17:59:36,663 INFO L899 garLoopResultBuilder]: For program point L736(lines 736 744) no Hoare annotation was computed. [2022-07-13 17:59:36,663 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 749) no Hoare annotation was computed. [2022-07-13 17:59:36,663 INFO L899 garLoopResultBuilder]: For program point L794(lines 794 800) no Hoare annotation was computed. [2022-07-13 17:59:36,664 INFO L895 garLoopResultBuilder]: At program point L792(line 792) the Hoare annotation is: (let ((.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse6 (not (<= ~waterLevel~0 2))) (.cse7 (and (= ~pumpRunning~0 0) (<= 1 |processEnvironment__wrappee__methaneQuery_~tmp~5#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse6 .cse7) (or .cse4 .cse0 .cse2 .cse3) (or .cse4 .cse0 .cse5 .cse3) (or .cse0 .cse1 .cse5 .cse3) (or .cse4 .cse0 .cse2 .cse6 .cse7))) [2022-07-13 17:59:36,664 INFO L895 garLoopResultBuilder]: At program point L794-2(lines 787 803) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (<= ~waterLevel~0 1))) (.cse6 (<= 1 |processEnvironment__wrappee__methaneQuery_~tmp~5#1|)) (.cse7 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0)) (.cse8 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1|)) (.cse9 (= |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~7#1| ~methaneLevelCritical~0)) (.cse10 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1| 0)) (.cse11 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1|)) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse12 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse2 .cse5 (and (<= 1 ~pumpRunning~0) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11)) (or .cse4 .cse0 .cse2 .cse3) (or .cse4 .cse0 .cse12 .cse3) (or .cse0 .cse1 .cse12 .cse3) (or (and (= ~pumpRunning~0 0) .cse6 .cse7 .cse8 .cse9 .cse10 .cse11) .cse4 .cse0 .cse12 .cse5))) [2022-07-13 17:59:36,664 INFO L899 garLoopResultBuilder]: For program point L792-1(line 792) no Hoare annotation was computed. [2022-07-13 17:59:36,664 INFO L895 garLoopResultBuilder]: At program point L883(lines 868 886) the Hoare annotation is: (let ((.cse10 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1| 0)) (.cse11 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse12 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1|)) (.cse13 (= ~pumpRunning~0 0)) (.cse14 (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1|)) (.cse18 (<= 1 ~methaneLevelCritical~0)) (.cse15 (<= ~waterLevel~0 1)) (.cse16 (= 1 ~systemActive~0)) (.cse17 (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1| 0))) (let ((.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (and .cse10 .cse11 .cse12 .cse13 .cse14 .cse18 .cse15 .cse16 .cse17)) (.cse4 (not .cse18)) (.cse8 (not .cse15)) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (not .cse16)) (.cse3 (and .cse13 (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse5 (not (<= ~waterLevel~0 2))) (.cse9 (and .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse2 .cse6 .cse7 .cse8) (or .cse1 .cse2 .cse7 .cse8 .cse9) (or .cse2 .cse6 .cse4 .cse8) (or .cse0 .cse1 .cse2 .cse4 .cse8) (or .cse1 .cse2 .cse3 .cse7 .cse5 .cse9)))) [2022-07-13 17:59:36,664 INFO L895 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 728 752) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (<= ~waterLevel~0 1))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (not (= 1 ~systemActive~0))) (.cse8 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (<= ~waterLevel~0 2)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse2 .cse6 .cse3 .cse7) (or .cse5 .cse2 .cse6 .cse8 .cse7) (or .cse0 .cse1 .cse2 .cse8 .cse4))) [2022-07-13 17:59:36,664 INFO L895 garLoopResultBuilder]: At program point L784(lines 779 786) the Hoare annotation is: (let ((.cse3 (not (<= ~waterLevel~0 2))) (.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 .cse6) (or .cse0 .cse1 .cse5 .cse3 (and (<= 1 ~pumpRunning~0) (<= 1 |processEnvironment__wrappee__methaneQuery_~tmp~5#1|) (= |processEnvironment__wrappee__methaneQuery_isHighWaterSensorDry_#res#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp___0~1#1|) (= |processEnvironment__wrappee__methaneQuery_activatePump_~tmp~7#1| ~methaneLevelCritical~0) (= |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_~tmp~8#1| 0) (<= 1 |processEnvironment__wrappee__methaneQuery_isHighWaterLevel_#res#1|))) (or .cse0 .cse1 .cse5 .cse6) (or .cse1 .cse4 .cse2 .cse6))) [2022-07-13 17:59:36,664 INFO L899 garLoopResultBuilder]: For program point L877(lines 877 881) no Hoare annotation was computed. [2022-07-13 17:59:36,664 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 728 752) no Hoare annotation was computed. [2022-07-13 17:59:36,664 INFO L899 garLoopResultBuilder]: For program point L877-2(lines 877 881) no Hoare annotation was computed. [2022-07-13 17:59:36,664 INFO L895 garLoopResultBuilder]: At program point L747(line 747) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (not (<= ~waterLevel~0 2))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse7 (not (<= ~waterLevel~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse4 .cse3) (or .cse5 .cse1 .cse6 .cse4 .cse7) (or .cse5 .cse1 .cse6 .cse2 .cse7))) [2022-07-13 17:59:36,664 INFO L899 garLoopResultBuilder]: For program point L747-1(lines 728 752) no Hoare annotation was computed. [2022-07-13 17:59:36,664 INFO L899 garLoopResultBuilder]: For program point L679(lines 679 685) no Hoare annotation was computed. [2022-07-13 17:59:36,664 INFO L902 garLoopResultBuilder]: At program point L817(line 817) the Hoare annotation is: true [2022-07-13 17:59:36,664 INFO L899 garLoopResultBuilder]: For program point L817-1(line 817) no Hoare annotation was computed. [2022-07-13 17:59:36,664 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 812 822) the Hoare annotation is: true [2022-07-13 17:59:36,664 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 812 822) no Hoare annotation was computed. [2022-07-13 17:59:36,664 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 812 822) no Hoare annotation was computed. [2022-07-13 17:59:36,668 INFO L356 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-07-13 17:59:36,669 INFO L176 ceAbstractionStarter]: Computing trace abstraction results [2022-07-13 17:59:36,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 05:59:36 BoogieIcfgContainer [2022-07-13 17:59:36,720 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-07-13 17:59:36,721 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-07-13 17:59:36,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-07-13 17:59:36,721 INFO L275 PluginConnector]: Witness Printer initialized [2022-07-13 17:59:36,722 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 05:59:25" (3/4) ... [2022-07-13 17:59:36,723 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-07-13 17:59:36,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-07-13 17:59:36,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-07-13 17:59:36,727 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-07-13 17:59:36,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-07-13 17:59:36,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-07-13 17:59:36,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-07-13 17:59:36,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-07-13 17:59:36,728 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-07-13 17:59:36,737 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 51 nodes and edges [2022-07-13 17:59:36,737 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-07-13 17:59:36,737 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-07-13 17:59:36,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-07-13 17:59:36,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-07-13 17:59:36,738 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:59:36,739 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-07-13 17:59:36,754 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 [2022-07-13 17:59:36,754 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 [2022-07-13 17:59:36,755 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= pumpRunning && methaneLevelCritical == 0) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive)) || ((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && waterLevel <= 1) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive)) || ((((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) [2022-07-13 17:59:36,755 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) [2022-07-13 17:59:36,756 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) [2022-07-13 17:59:36,757 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) || ((((((1 <= pumpRunning && methaneLevelCritical == 0) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive)) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive)) || ((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) [2022-07-13 17:59:36,757 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(tmp == 0))) || !(\old(waterLevel) <= 2))) && ((((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && !(tmp == 0)) || (((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel <= \old(waterLevel)) && !(tmp == 0))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1))) && (((((!(1 == systemActive) || (((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp___0 <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(waterLevel) <= 2)) [2022-07-13 17:59:36,757 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) [2022-07-13 17:59:36,758 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(methaneLevelCritical == 0)) && (((((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == 0 && waterLevel <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \result == 1)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) [2022-07-13 17:59:36,758 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || ((((((1 <= pumpRunning && 1 <= tmp) && \result == 0) && 1 <= tmp___0) && tmp == methaneLevelCritical) && tmp == 0) && 1 <= \result))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && ((((((((((pumpRunning == 0 && 1 <= tmp) && \result == 0) && 1 <= tmp___0) && tmp == methaneLevelCritical) && tmp == 0) && 1 <= \result) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) [2022-07-13 17:59:36,758 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || ((((((1 <= pumpRunning && 1 <= tmp) && \result == 0) && 1 <= tmp___0) && tmp == methaneLevelCritical) && tmp == 0) && 1 <= \result))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1)) [2022-07-13 17:59:36,758 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || ((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1)) || (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive)) [2022-07-13 17:59:36,758 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && !(\result == 0)) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) [2022-07-13 17:59:36,759 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && \result == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((pumpRunning == 0 && \result == 0) && 1 <= tmp___0) && tmp == 0) && 1 <= \result)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && waterLevel <= 1) && 1 == systemActive) && \result == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && ((((((((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && \result == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == 0 && \result == 0) && 1 <= tmp___0) && tmp == 0) && 1 <= \result)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && waterLevel <= 1) && 1 == systemActive) && \result == 0)) [2022-07-13 17:59:36,759 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) [2022-07-13 17:59:36,782 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2022-07-13 17:59:36,782 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-07-13 17:59:36,782 INFO L158 Benchmark]: Toolchain (without parser) took 11735.40ms. Allocated memory was 98.6MB in the beginning and 182.5MB in the end (delta: 83.9MB). Free memory was 68.3MB in the beginning and 113.5MB in the end (delta: -45.2MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2022-07-13 17:59:36,783 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory was 54.5MB in the beginning and 54.5MB in the end (delta: 47.2kB). There was no memory consumed. Max. memory is 16.1GB. [2022-07-13 17:59:36,783 INFO L158 Benchmark]: CACSL2BoogieTranslator took 377.42ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 68.1MB in the beginning and 92.9MB in the end (delta: -24.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-07-13 17:59:36,783 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.33ms. Allocated memory is still 125.8MB. Free memory was 92.5MB in the beginning and 90.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 17:59:36,784 INFO L158 Benchmark]: Boogie Preprocessor took 40.86ms. Allocated memory is still 125.8MB. Free memory was 90.4MB in the beginning and 88.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-07-13 17:59:36,784 INFO L158 Benchmark]: RCFGBuilder took 411.54ms. Allocated memory is still 125.8MB. Free memory was 88.7MB in the beginning and 71.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-07-13 17:59:36,784 INFO L158 Benchmark]: TraceAbstraction took 10776.62ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 71.5MB in the beginning and 118.7MB in the end (delta: -47.3MB). Peak memory consumption was 84.6MB. Max. memory is 16.1GB. [2022-07-13 17:59:36,785 INFO L158 Benchmark]: Witness Printer took 61.26ms. Allocated memory is still 182.5MB. Free memory was 118.7MB in the beginning and 113.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-07-13 17:59:36,787 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 98.6MB. Free memory was 54.5MB in the beginning and 54.5MB in the end (delta: 47.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 377.42ms. Allocated memory was 98.6MB in the beginning and 125.8MB in the end (delta: 27.3MB). Free memory was 68.1MB in the beginning and 92.9MB in the end (delta: -24.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.33ms. Allocated memory is still 125.8MB. Free memory was 92.5MB in the beginning and 90.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.86ms. Allocated memory is still 125.8MB. Free memory was 90.4MB in the beginning and 88.7MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 411.54ms. Allocated memory is still 125.8MB. Free memory was 88.7MB in the beginning and 71.9MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 10776.62ms. Allocated memory was 125.8MB in the beginning and 182.5MB in the end (delta: 56.6MB). Free memory was 71.5MB in the beginning and 118.7MB in the end (delta: -47.3MB). Peak memory consumption was 84.6MB. Max. memory is 16.1GB. * Witness Printer took 61.26ms. Allocated memory is still 182.5MB. Free memory was 118.7MB in the beginning and 113.5MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 967]: 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, 96 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.7s, OverallIterations: 14, TraceHistogramMax: 4, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2883 SdHoareTripleChecker+Valid, 2.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2845 mSDsluCounter, 5266 SdHoareTripleChecker+Invalid, 1.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3699 mSDsCounter, 1163 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4418 IncrementalHoareTripleChecker+Invalid, 5581 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1163 mSolverCounterUnsat, 1567 mSDtfsCounter, 4418 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 722 GetRequests, 502 SyntacticMatches, 1 SemanticMatches, 219 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1597 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=802occurred in iteration=9, InterpolantAutomatonStates: 179, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 170 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 44 LocationsWithAnnotation, 2708 PreInvPairs, 2965 NumberOfFragments, 3252 HoareAnnotationTreeSize, 2708 FomulaSimplifications, 290 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 44 FomulaSimplificationsInter, 9707 FormulaSimplificationTreeSizeReductionInter, 3.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 1063 NumberOfCodeBlocks, 1063 NumberOfCodeBlocksAsserted, 17 NumberOfCheckSat, 1144 ConstructedInterpolants, 0 QuantifiedInterpolants, 2127 SizeOfPredicates, 9 NumberOfNonLiveVariables, 1350 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 18 InterpolantComputations, 13 PerfectInterpolantSequences, 218/258 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: 54]: Loop Invariant Derived loop invariant: ((((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel)) || !(methaneLevelCritical == 0)) || ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(\old(waterLevel) <= 2)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && \old(waterLevel) == waterLevel) && !(tmp == 0))) || !(\old(waterLevel) <= 2))) && ((((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel)) && !(tmp == 0)) || (((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && waterLevel <= \old(waterLevel)) && !(tmp == 0))) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && methaneLevelCritical == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1))) && (((((!(1 == systemActive) || (((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp___0 <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || (((((((!(\old(pumpRunning) == 0) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive) && tmp___0 <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 906]: Loop Invariant Derived loop invariant: ((((((((1 <= pumpRunning && methaneLevelCritical == 0) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive)) || ((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && waterLevel <= 1) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive)) || ((((((pumpRunning == 0 && methaneLevelCritical == 0) && waterLevel <= 1) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && tmp == systemActive) - InvariantResult [Line: 598]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 823]: Loop Invariant Derived loop invariant: ((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && (((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || (((1 <= pumpRunning && !(\result == 0)) && tmp == 0) && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 868]: Loop Invariant Derived loop invariant: (((((((((((((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && \result == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || ((((pumpRunning == 0 && \result == 0) && 1 <= tmp___0) && tmp == 0) && 1 <= \result)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && waterLevel <= 1) && 1 == systemActive) && \result == 0))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && ((((((((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive) && \result == 0) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((((pumpRunning == 0 && \result == 0) && 1 <= tmp___0) && tmp == 0) && 1 <= \result)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || (((((((tmp___0 == 0 && pumpRunning == \old(pumpRunning)) && 1 <= \result) && pumpRunning == 0) && 1 <= tmp) && waterLevel <= 1) && 1 == systemActive) && \result == 0)) - InvariantResult [Line: 569]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && ((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 559]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 504]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 551]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == systemActive) && tmp == systemActive) && waterLevel == 1 - InvariantResult [Line: 116]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == systemActive) && waterLevel == 1 - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: ((((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || ((((((1 <= pumpRunning && 1 <= tmp) && \result == 0) && 1 <= tmp___0) && tmp == methaneLevelCritical) && tmp == 0) && 1 <= \result))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1)) - InvariantResult [Line: 675]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || ((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || (pumpRunning == 0 && \result == 0)) || !(waterLevel <= 2)) || (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || ((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && waterLevel <= 1) && 1 == systemActive)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1)) || (((((pumpRunning == \old(pumpRunning) && 1 <= \result) && pumpRunning == 0) && 1 <= methaneLevelCritical) && waterLevel <= 1) && 1 == systemActive)) - InvariantResult [Line: 787]: Loop Invariant Derived loop invariant: (((((((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1)) && ((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 2)) || ((((((1 <= pumpRunning && 1 <= tmp) && \result == 0) && 1 <= tmp___0) && tmp == methaneLevelCritical) && tmp == 0) && 1 <= \result))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(waterLevel <= 1))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 1))) && ((((((((((pumpRunning == 0 && 1 <= tmp) && \result == 0) && 1 <= tmp___0) && tmp == methaneLevelCritical) && tmp == 0) && 1 <= \result) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(waterLevel <= 2)) - InvariantResult [Line: 896]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 666]: Loop Invariant Derived loop invariant: ((((((((!(\old(waterLevel) <= 1) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(methaneLevelCritical == 0)) && (((((((((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1) || !(1 == systemActive)) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) || ((((pumpRunning == 0 && waterLevel <= 1) && tmp == 0) && waterLevel <= \old(waterLevel)) && \result <= 1))) && ((((!(\old(pumpRunning) == 0) || !(\old(waterLevel) == 1)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || \result == 1)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || ((1 <= pumpRunning && tmp == 0) && \old(waterLevel) == waterLevel)) || (((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && tmp == 0) && \old(waterLevel) == waterLevel) && \result <= 1)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 963]: Loop Invariant Derived loop invariant: (((((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2)) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || !(\old(waterLevel) <= 2))) && (((!(1 == systemActive) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((!(\old(pumpRunning) == 0) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2)) - InvariantResult [Line: 494]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 754]: Loop Invariant Derived loop invariant: (((((((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) || (1 <= pumpRunning && \old(waterLevel) == waterLevel)) || !(\old(waterLevel) <= 2)) && (((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(methaneLevelCritical == 0)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && ((((!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \old(waterLevel) == waterLevel)) || !(1 == systemActive)) || !(1 <= methaneLevelCritical)) || !(\old(waterLevel) <= 2))) && (((((!(1 == systemActive) || ((pumpRunning == \old(pumpRunning) && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(1 <= \old(pumpRunning))) || !(1 <= methaneLevelCritical)) || ((pumpRunning == 0 && waterLevel <= 1) && waterLevel <= \old(waterLevel))) || !(\old(waterLevel) <= 2))) && (((((((pumpRunning == \old(pumpRunning) && pumpRunning == 0) && waterLevel <= 1) && \old(waterLevel) == waterLevel) || !(\old(waterLevel) <= 1)) || !(\old(pumpRunning) == 0)) || !(1 == systemActive)) || !(methaneLevelCritical == 0)) - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) || ((((((1 <= pumpRunning && methaneLevelCritical == 0) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive)) || ((((((pumpRunning == 0 && 1 <= methaneLevelCritical) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive)) || ((((((1 <= pumpRunning && 1 <= methaneLevelCritical) && tmp == 1) && \result == systemActive) && splverifierCounter == 0) && waterLevel <= 2) && tmp == systemActive) - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 RESULT: Ultimate proved your program to be correct! [2022-07-13 17:59:36,821 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