./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product22.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22e7ee2-319d-4ae3-be87-a723f3c8d61e/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22e7ee2-319d-4ae3-be87-a723f3c8d61e/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22e7ee2-319d-4ae3-be87-a723f3c8d61e/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22e7ee2-319d-4ae3-be87-a723f3c8d61e/bin/uautomizer-tPACEb0tL8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product22.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22e7ee2-319d-4ae3-be87-a723f3c8d61e/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22e7ee2-319d-4ae3-be87-a723f3c8d61e/bin/uautomizer-tPACEb0tL8 --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6f5537df08751fc2a74719abc7c5b127397286d2c5902c5d863d2b34b0e39614 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:03:04,496 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:03:04,498 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:03:04,519 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:03:04,519 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:03:04,520 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:03:04,521 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:03:04,523 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:03:04,525 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:03:04,526 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:03:04,527 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:03:04,528 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:03:04,529 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:03:04,530 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:03:04,531 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:03:04,532 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:03:04,534 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:03:04,535 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:03:04,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:03:04,538 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:03:04,540 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:03:04,541 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:03:04,542 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:03:04,543 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:03:04,547 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:03:04,547 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:03:04,547 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:03:04,548 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:03:04,549 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:03:04,550 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:03:04,550 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:03:04,551 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:03:04,552 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:03:04,553 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:03:04,554 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:03:04,555 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:03:04,556 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:03:04,556 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:03:04,557 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:03:04,558 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:03:04,559 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:03:04,560 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22e7ee2-319d-4ae3-be87-a723f3c8d61e/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-32bit-Automizer_Default.epf [2022-11-16 12:03:04,583 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:03:04,584 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:03:04,584 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:03:04,585 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:03:04,586 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:03:04,586 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:03:04,586 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:03:04,586 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:03:04,587 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:03:04,587 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:03:04,587 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:03:04,587 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:03:04,588 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:03:04,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:03:04,588 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 12:03:04,588 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:03:04,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:03:04,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 12:03:04,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:03:04,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:03:04,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:03:04,589 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:03:04,590 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 12:03:04,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:03:04,590 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:03:04,590 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:03:04,591 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:03:04,591 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:03:04,591 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:03:04,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:03:04,591 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:03:04,592 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:03:04,593 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22e7ee2-319d-4ae3-be87-a723f3c8d61e/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22e7ee2-319d-4ae3-be87-a723f3c8d61e/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6f5537df08751fc2a74719abc7c5b127397286d2c5902c5d863d2b34b0e39614 [2022-11-16 12:03:04,886 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:03:04,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:03:04,918 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:03:04,934 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:03:04,935 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:03:04,936 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22e7ee2-319d-4ae3-be87-a723f3c8d61e/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec3_product22.cil.c [2022-11-16 12:03:05,009 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22e7ee2-319d-4ae3-be87-a723f3c8d61e/bin/uautomizer-tPACEb0tL8/data/76e3ee37f/c4c05e086fe74e44be336588a76443f8/FLAG864bf53b1 [2022-11-16 12:03:05,550 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:03:05,551 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22e7ee2-319d-4ae3-be87-a723f3c8d61e/sv-benchmarks/c/product-lines/minepump_spec3_product22.cil.c [2022-11-16 12:03:05,575 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22e7ee2-319d-4ae3-be87-a723f3c8d61e/bin/uautomizer-tPACEb0tL8/data/76e3ee37f/c4c05e086fe74e44be336588a76443f8/FLAG864bf53b1 [2022-11-16 12:03:05,892 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22e7ee2-319d-4ae3-be87-a723f3c8d61e/bin/uautomizer-tPACEb0tL8/data/76e3ee37f/c4c05e086fe74e44be336588a76443f8 [2022-11-16 12:03:05,895 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:03:05,896 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:03:05,903 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:03:05,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:03:05,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:03:05,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:03:05" (1/1) ... [2022-11-16 12:03:05,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@352d92bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:05, skipping insertion in model container [2022-11-16 12:03:05,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:03:05" (1/1) ... [2022-11-16 12:03:05,918 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:03:05,964 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:03:06,182 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22e7ee2-319d-4ae3-be87-a723f3c8d61e/sv-benchmarks/c/product-lines/minepump_spec3_product22.cil.c[2984,2997] [2022-11-16 12:03:06,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:03:06,322 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:03:06,354 WARN L229 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22e7ee2-319d-4ae3-be87-a723f3c8d61e/sv-benchmarks/c/product-lines/minepump_spec3_product22.cil.c[2984,2997] [2022-11-16 12:03:06,433 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:03:06,462 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:03:06,462 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06 WrapperNode [2022-11-16 12:03:06,462 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:03:06,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:03:06,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:03:06,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:03:06,470 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,483 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,523 INFO L138 Inliner]: procedures = 54, calls = 155, calls flagged for inlining = 52, calls inlined = 81, statements flattened = 593 [2022-11-16 12:03:06,524 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:03:06,524 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:03:06,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:03:06,525 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:03:06,535 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,540 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,548 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,557 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,562 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:03:06,563 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:03:06,563 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:03:06,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:03:06,564 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (1/1) ... [2022-11-16 12:03:06,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:03:06,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22e7ee2-319d-4ae3-be87-a723f3c8d61e/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:03:06,607 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22e7ee2-319d-4ae3-be87-a723f3c8d61e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:03:06,618 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22e7ee2-319d-4ae3-be87-a723f3c8d61e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:03:06,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 12:03:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 12:03:06,668 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:03:06,668 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:03:06,795 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:03:06,797 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:03:07,330 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:03:07,339 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:03:07,339 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 12:03:07,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:03:07 BoogieIcfgContainer [2022-11-16 12:03:07,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:03:07,351 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:03:07,352 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:03:07,357 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:03:07,358 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:03:07,358 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:03:05" (1/3) ... [2022-11-16 12:03:07,359 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f25e179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:03:07, skipping insertion in model container [2022-11-16 12:03:07,359 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:03:07,360 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:03:06" (2/3) ... [2022-11-16 12:03:07,360 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2f25e179 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:03:07, skipping insertion in model container [2022-11-16 12:03:07,360 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:03:07,360 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:03:07" (3/3) ... [2022-11-16 12:03:07,362 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product22.cil.c [2022-11-16 12:03:07,438 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:03:07,438 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:03:07,438 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:03:07,438 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:03:07,439 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:03:07,439 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:03:07,439 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:03:07,439 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:03:07,445 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 157 states, 156 states have (on average 1.3525641025641026) internal successors, (211), 156 states have internal predecessors, (211), 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) [2022-11-16 12:03:07,491 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2022-11-16 12:03:07,491 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:03:07,491 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:03:07,499 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:03:07,499 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:03:07,499 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:03:07,502 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 157 states, 156 states have (on average 1.3525641025641026) internal successors, (211), 156 states have internal predecessors, (211), 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) [2022-11-16 12:03:07,519 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 101 [2022-11-16 12:03:07,520 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:03:07,523 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:03:07,523 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:03:07,524 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:03:07,529 INFO L748 eck$LassoCheckResult]: Stem: 142#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 41#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~3#1, main_~tmp~0#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 58#L279true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 46#L272true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 68#L287true main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 84#L243true assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 118#L216true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 62#L493-2true [2022-11-16 12:03:07,530 INFO L750 eck$LassoCheckResult]: Loop: 62#L493-2true assume !false; 83#L494true assume test_~splverifierCounter~0#1 < 4; 21#L495true test_~tmp~4#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 70#L503true assume !(0 != test_~tmp~4#1); 17#L503-2true test_~tmp___0~1#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 109#L513true assume !(0 != test_~tmp___0~1#1); 132#L513-2true test_~tmp___2~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 87#L523true assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 72#L479true assume { :end_inline_startSystem } true; 131#L531-2true assume { :begin_inline_timeShift } true; 110#L304true assume !(0 != ~pumpRunning~0); 106#L304-2true assume !(0 != ~systemActive~0); 64#L311-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 78#L100-1true __utac_acc__Specification3_spec__1_#t~ret50#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1; 92#L925true assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1; 146#L931-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 69#L321true assume { :end_inline_timeShift } true; 62#L493-2true [2022-11-16 12:03:07,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:07,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times [2022-11-16 12:03:07,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:07,551 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [97560423] [2022-11-16 12:03:07,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:07,552 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:03:07,720 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:03:07,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:03:07,786 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:03:07,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:07,789 INFO L85 PathProgramCache]: Analyzing trace with hash -1638995117, now seen corresponding path program 1 times [2022-11-16 12:03:07,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:07,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537025212] [2022-11-16 12:03:07,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:07,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:07,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:07,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:03:07,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:03:07,900 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537025212] [2022-11-16 12:03:07,900 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537025212] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:03:07,900 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:03:07,901 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 12:03:07,902 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964282486] [2022-11-16 12:03:07,903 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:03:07,908 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-16 12:03:07,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:03:07,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 12:03:07,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 12:03:07,949 INFO L87 Difference]: Start difference. First operand has 157 states, 156 states have (on average 1.3525641025641026) internal successors, (211), 156 states have internal predecessors, (211), 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) Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2022-11-16 12:03:08,038 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:08,038 INFO L93 Difference]: Finished difference Result 154 states and 198 transitions. [2022-11-16 12:03:08,039 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 154 states and 198 transitions. [2022-11-16 12:03:08,042 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2022-11-16 12:03:08,046 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 154 states to 144 states and 187 transitions. [2022-11-16 12:03:08,048 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 144 [2022-11-16 12:03:08,048 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 144 [2022-11-16 12:03:08,049 INFO L73 IsDeterministic]: Start isDeterministic. Operand 144 states and 187 transitions. [2022-11-16 12:03:08,050 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:03:08,050 INFO L218 hiAutomatonCegarLoop]: Abstraction has 144 states and 187 transitions. [2022-11-16 12:03:08,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states and 187 transitions. [2022-11-16 12:03:08,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2022-11-16 12:03:08,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 144 states have (on average 1.2986111111111112) internal successors, (187), 143 states have internal predecessors, (187), 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) [2022-11-16 12:03:08,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 187 transitions. [2022-11-16 12:03:08,084 INFO L240 hiAutomatonCegarLoop]: Abstraction has 144 states and 187 transitions. [2022-11-16 12:03:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 12:03:08,092 INFO L428 stractBuchiCegarLoop]: Abstraction has 144 states and 187 transitions. [2022-11-16 12:03:08,093 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-16 12:03:08,094 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 144 states and 187 transitions. [2022-11-16 12:03:08,100 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 97 [2022-11-16 12:03:08,106 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:03:08,106 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:03:08,107 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:03:08,107 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:03:08,107 INFO L748 eck$LassoCheckResult]: Stem: 459#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 379#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~3#1, main_~tmp~0#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 380#L279 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 385#L272 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 386#L287 main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 411#L243 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 425#L216 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 402#L493-2 [2022-11-16 12:03:08,108 INFO L750 eck$LassoCheckResult]: Loop: 402#L493-2 assume !false; 403#L494 assume test_~splverifierCounter~0#1 < 4; 352#L495 test_~tmp~4#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 353#L503 assume !(0 != test_~tmp~4#1); 346#L503-2 test_~tmp___0~1#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 347#L513 assume !(0 != test_~tmp___0~1#1); 327#L513-2 test_~tmp___2~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 427#L523 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~0#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1; 381#L531 assume 0 != test_~tmp___1~0#1; 382#L531-2 assume { :begin_inline_timeShift } true; 448#L304 assume !(0 != ~pumpRunning~0); 348#L304-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 447#L362 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret11#1, processEnvironment__wrappee__lowWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1#1; 428#L336-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 429#L328-3 assume { :end_inline_processEnvironment__wrappee__base } true; 338#L336-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 331#L362-1 assume { :end_inline_processEnvironment } true; 360#L311-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 406#L100-1 __utac_acc__Specification3_spec__1_#t~ret50#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1; 416#L925 assume 0 != __utac_acc__Specification3_spec__1_~tmp~8#1; 333#L931-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 412#L321 assume { :end_inline_timeShift } true; 402#L493-2 [2022-11-16 12:03:08,108 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:08,109 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times [2022-11-16 12:03:08,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:08,110 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1848289581] [2022-11-16 12:03:08,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:08,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:03:08,146 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:03:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:03:08,182 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:03:08,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:08,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1849158316, now seen corresponding path program 1 times [2022-11-16 12:03:08,192 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:08,195 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266233243] [2022-11-16 12:03:08,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:08,195 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:08,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:03:08,217 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:03:08,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:03:08,225 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:03:08,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:08,226 INFO L85 PathProgramCache]: Analyzing trace with hash -732315624, now seen corresponding path program 1 times [2022-11-16 12:03:08,227 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:08,227 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [900499236] [2022-11-16 12:03:08,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:08,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:08,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 12:03:08,497 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-16 12:03:08,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 12:03:08,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [900499236] [2022-11-16 12:03:08,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [900499236] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 12:03:08,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 12:03:08,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-11-16 12:03:08,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [214392558] [2022-11-16 12:03:08,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 12:03:08,690 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 12:03:08,691 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 12:03:08,692 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 12:03:08,692 INFO L87 Difference]: Start difference. First operand 144 states and 187 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2022-11-16 12:03:08,926 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 12:03:08,926 INFO L93 Difference]: Finished difference Result 527 states and 688 transitions. [2022-11-16 12:03:08,926 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 527 states and 688 transitions. [2022-11-16 12:03:08,931 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 363 [2022-11-16 12:03:08,935 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 527 states to 527 states and 688 transitions. [2022-11-16 12:03:08,935 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 527 [2022-11-16 12:03:08,936 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 527 [2022-11-16 12:03:08,937 INFO L73 IsDeterministic]: Start isDeterministic. Operand 527 states and 688 transitions. [2022-11-16 12:03:08,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-16 12:03:08,939 INFO L218 hiAutomatonCegarLoop]: Abstraction has 527 states and 688 transitions. [2022-11-16 12:03:08,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 527 states and 688 transitions. [2022-11-16 12:03:08,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 527 to 281. [2022-11-16 12:03:08,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 281 states, 281 states have (on average 1.291814946619217) internal successors, (363), 280 states have internal predecessors, (363), 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) [2022-11-16 12:03:08,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 281 states and 363 transitions. [2022-11-16 12:03:08,957 INFO L240 hiAutomatonCegarLoop]: Abstraction has 281 states and 363 transitions. [2022-11-16 12:03:08,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-16 12:03:08,959 INFO L428 stractBuchiCegarLoop]: Abstraction has 281 states and 363 transitions. [2022-11-16 12:03:08,959 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-16 12:03:08,959 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 281 states and 363 transitions. [2022-11-16 12:03:08,963 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 194 [2022-11-16 12:03:08,963 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:03:08,964 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:03:08,964 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:03:08,964 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 12:03:08,965 INFO L748 eck$LassoCheckResult]: Stem: 1162#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(7, 5);call write~init~int(44, 5, 0, 1);call write~init~int(77, 5, 1, 1);call write~init~int(101, 5, 2, 1);call write~init~int(116, 5, 3, 1);call write~init~int(104, 5, 4, 1);call write~init~int(58, 5, 5, 1);call write~init~int(0, 5, 6, 1);call #Ultimate.allocInit(5, 6);call write~init~int(67, 6, 0, 1);call write~init~int(82, 6, 1, 1);call write~init~int(73, 6, 2, 1);call write~init~int(84, 6, 3, 1);call write~init~int(0, 6, 4, 1);call #Ultimate.allocInit(3, 7);call write~init~int(79, 7, 0, 1);call write~init~int(75, 7, 1, 1);call write~init~int(0, 7, 2, 1);call #Ultimate.allocInit(2, 8);call write~init~int(41, 8, 0, 1);call write~init~int(0, 8, 1, 1);call #Ultimate.allocInit(13, 9);call #Ultimate.allocInit(3, 10);call write~init~int(79, 10, 0, 1);call write~init~int(110, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(4, 11);call write~init~int(79, 11, 0, 1);call write~init~int(102, 11, 1, 1);call write~init~int(102, 11, 2, 1);call write~init~int(0, 11, 3, 1);call #Ultimate.allocInit(7, 12);call write~init~int(44, 12, 0, 1);call write~init~int(80, 12, 1, 1);call write~init~int(117, 12, 2, 1);call write~init~int(109, 12, 3, 1);call write~init~int(112, 12, 4, 1);call write~init~int(58, 12, 5, 1);call write~init~int(0, 12, 6, 1);call #Ultimate.allocInit(3, 13);call write~init~int(79, 13, 0, 1);call write~init~int(110, 13, 1, 1);call write~init~int(0, 13, 2, 1);call #Ultimate.allocInit(4, 14);call write~init~int(79, 14, 0, 1);call write~init~int(102, 14, 1, 1);call write~init~int(102, 14, 2, 1);call write~init~int(0, 14, 3, 1);call #Ultimate.allocInit(3, 15);call write~init~int(41, 15, 0, 1);call write~init~int(32, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(10, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~head~0.base, ~head~0.offset := 0, 0;~methaneLevelCritical~0 := 0;~pumpRunning~0 := 0;~waterLevel~0 := 1;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4; 1068#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret9#1, main_~retValue_acc~3#1, main_~tmp~0#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~0#1;assume { :begin_inline_select_helpers } true; 1069#L279 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1073#L272 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 1074#L287 main_#t~ret9#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~0#1 := main_#t~ret9#1;havoc main_#t~ret9#1; 1102#L243 assume 0 != main_~tmp~0#1;assume { :begin_inline_setup } true; 1117#L216 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet23#1, test_#t~nondet24#1, test_#t~nondet25#1, test_#t~nondet26#1, test_~splverifierCounter~0#1, test_~tmp~4#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~4#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1092#L493-2 [2022-11-16 12:03:08,965 INFO L750 eck$LassoCheckResult]: Loop: 1092#L493-2 assume !false; 1093#L494 assume test_~splverifierCounter~0#1 < 4; 1041#L495 test_~tmp~4#1 := test_#t~nondet23#1;havoc test_#t~nondet23#1; 1042#L503 assume !(0 != test_~tmp~4#1); 1035#L503-2 test_~tmp___0~1#1 := test_#t~nondet24#1;havoc test_#t~nondet24#1; 1036#L513 assume !(0 != test_~tmp___0~1#1); 1012#L513-2 test_~tmp___2~0#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1; 1120#L523 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 1104#L479 assume { :end_inline_startSystem } true; 1071#L531-2 assume { :begin_inline_timeShift } true; 1144#L304 assume !(0 != ~pumpRunning~0); 1037#L304-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret12#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1; 1143#L362 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__lowWaterSensor } true;havoc processEnvironment__wrappee__lowWaterSensor_#t~ret11#1, processEnvironment__wrappee__lowWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__lowWaterSensor_~tmp~1#1; 1121#L336-2 assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true; 1122#L328-3 assume { :end_inline_processEnvironment__wrappee__base } true; 1027#L336-3 assume { :end_inline_processEnvironment__wrappee__lowWaterSensor } true; 1020#L362-1 assume { :end_inline_processEnvironment } true; 1047#L311-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret50#1, __utac_acc__Specification3_spec__1_#t~ret51#1, __utac_acc__Specification3_spec__1_#t~ret52#1, __utac_acc__Specification3_spec__1_~tmp~8#1, __utac_acc__Specification3_spec__1_~tmp___0~2#1, __utac_acc__Specification3_spec__1_~tmp___1~1#1;havoc __utac_acc__Specification3_spec__1_~tmp~8#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~1#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;havoc isMethaneLevelCritical_~retValue_acc~0#1;isMethaneLevelCritical_~retValue_acc~0#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~0#1; 1097#L100-1 __utac_acc__Specification3_spec__1_#t~ret50#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~8#1 := __utac_acc__Specification3_spec__1_#t~ret50#1;havoc __utac_acc__Specification3_spec__1_#t~ret50#1; 1126#L925 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~8#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1; 1127#L132 __utac_acc__Specification3_spec__1_#t~ret51#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~2#1 := __utac_acc__Specification3_spec__1_#t~ret51#1;havoc __utac_acc__Specification3_spec__1_#t~ret51#1; 1021#L931 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~2#1); 1022#L931-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1103#L321 assume { :end_inline_timeShift } true; 1092#L493-2 [2022-11-16 12:03:08,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:08,966 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times [2022-11-16 12:03:08,966 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:08,966 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240787267] [2022-11-16 12:03:08,966 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:08,966 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:03:08,990 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:03:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:03:09,002 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:03:09,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:09,003 INFO L85 PathProgramCache]: Analyzing trace with hash -1783996024, now seen corresponding path program 1 times [2022-11-16 12:03:09,004 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:09,004 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1034348383] [2022-11-16 12:03:09,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:09,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:03:09,010 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:03:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:03:09,016 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:03:09,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:03:09,017 INFO L85 PathProgramCache]: Analyzing trace with hash 2054974284, now seen corresponding path program 1 times [2022-11-16 12:03:09,017 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:03:09,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1371745062] [2022-11-16 12:03:09,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:03:09,018 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:03:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:03:09,032 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:03:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:03:09,047 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:03:12,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:03:13,000 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:03:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:03:13,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:03:13 BoogieIcfgContainer [2022-11-16 12:03:13,076 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:03:13,077 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:03:13,077 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:03:13,077 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:03:13,078 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:03:07" (3/4) ... [2022-11-16 12:03:13,080 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2022-11-16 12:03:13,128 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22e7ee2-319d-4ae3-be87-a723f3c8d61e/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 12:03:13,128 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:03:13,129 INFO L158 Benchmark]: Toolchain (without parser) took 7233.03ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 106.2MB in the beginning and 163.3MB in the end (delta: -57.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:03:13,130 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:03:13,130 INFO L158 Benchmark]: CACSL2BoogieTranslator took 559.89ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 111.7MB in the end (delta: -5.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-11-16 12:03:13,130 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.07ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 108.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:03:13,131 INFO L158 Benchmark]: Boogie Preprocessor took 37.99ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 105.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-16 12:03:13,131 INFO L158 Benchmark]: RCFGBuilder took 778.66ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 81.1MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2022-11-16 12:03:13,132 INFO L158 Benchmark]: BuchiAutomizer took 5725.60ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 80.8MB in the beginning and 166.5MB in the end (delta: -85.6MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. [2022-11-16 12:03:13,133 INFO L158 Benchmark]: Witness Printer took 51.58ms. Allocated memory is still 195.0MB. Free memory was 166.5MB in the beginning and 163.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 12:03:13,135 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26ms. Allocated memory is still 142.6MB. Free memory is still 124.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 559.89ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 111.7MB in the end (delta: -5.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.07ms. Allocated memory is still 142.6MB. Free memory was 111.7MB in the beginning and 108.3MB in the end (delta: 3.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.99ms. Allocated memory is still 142.6MB. Free memory was 108.1MB in the beginning and 105.4MB in the end (delta: 2.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 778.66ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 81.1MB in the end (delta: 24.3MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * BuchiAutomizer took 5725.60ms. Allocated memory was 142.6MB in the beginning and 195.0MB in the end (delta: 52.4MB). Free memory was 80.8MB in the beginning and 166.5MB in the end (delta: -85.6MB). Peak memory consumption was 81.2MB. Max. memory is 16.1GB. * Witness Printer took 51.58ms. Allocated memory is still 195.0MB. Free memory was 166.5MB in the beginning and 163.3MB in the end (delta: 3.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 5 locations. The remainder module has 281 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 246 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 888 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 888 mSDsluCounter, 1326 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 856 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 86 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 470 mSDtfsCounter, 86 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - LassoShapedNonTerminationArgument [Line: 493]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite program execution. Stem: [L719] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L58] int methaneLevelCritical = 0; [L296] int pumpRunning = 0; [L57] int waterLevel = 1; [L297] int systemActive = 1; [L155] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L234] int retValue_acc ; [L235] int tmp ; [L239] FCALL select_helpers() [L240] FCALL select_features() [L241] CALL, EXPR valid_product() [L283] int retValue_acc ; [L286] retValue_acc = 1 [L287] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L241] RET, EXPR valid_product() [L241] tmp = valid_product() [L243] COND TRUE \read(tmp) [L245] FCALL setup() [L246] CALL runTest() [L225] CALL test() [L484] int splverifierCounter ; [L485] int tmp ; [L486] int tmp___0 ; [L487] int tmp___1 ; [L488] int tmp___2 ; [L491] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L493] COND TRUE 1 [L495] COND TRUE splverifierCounter < 4 [L501] tmp = __VERIFIER_nondet_int() [L503] COND FALSE !(\read(tmp)) [L511] tmp___0 = __VERIFIER_nondet_int() [L513] COND FALSE !(\read(tmp___0)) [L521] tmp___2 = __VERIFIER_nondet_int() [L523] COND TRUE \read(tmp___2) [L525] CALL startSystem() [L478] systemActive = 1 [L525] RET startSystem() [L538] CALL timeShift() [L304] COND FALSE !(\read(pumpRunning)) [L311] COND TRUE \read(systemActive) [L313] CALL processEnvironment() [L359] int tmp ; [L362] COND FALSE !(\read(pumpRunning)) [L377] CALL processEnvironment__wrappee__lowWaterSensor() [L333] int tmp ; [L336] COND FALSE !(\read(pumpRunning)) [L351] FCALL processEnvironment__wrappee__base() [L377] RET processEnvironment__wrappee__lowWaterSensor() [L313] RET processEnvironment() [L319] CALL __utac_acc__Specification3_spec__1() [L917] int tmp ; [L918] int tmp___0 ; [L919] int tmp___1 ; [L923] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L923] RET, EXPR isMethaneLevelCritical() [L923] tmp = isMethaneLevelCritical() [L925] COND FALSE !(\read(tmp)) [L929] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L929] RET, EXPR getWaterLevel() [L929] tmp___0 = getWaterLevel() [L931] COND FALSE !(tmp___0 == 2) [L319] RET __utac_acc__Specification3_spec__1() [L538] RET timeShift() End of lasso representation. - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 493]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L719] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L58] int methaneLevelCritical = 0; [L296] int pumpRunning = 0; [L57] int waterLevel = 1; [L297] int systemActive = 1; [L155] int cleanupTimeShifts = 4; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L234] int retValue_acc ; [L235] int tmp ; [L239] FCALL select_helpers() [L240] FCALL select_features() [L241] CALL, EXPR valid_product() [L283] int retValue_acc ; [L286] retValue_acc = 1 [L287] return (retValue_acc); VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L241] RET, EXPR valid_product() [L241] tmp = valid_product() [L243] COND TRUE \read(tmp) [L245] FCALL setup() [L246] CALL runTest() [L225] CALL test() [L484] int splverifierCounter ; [L485] int tmp ; [L486] int tmp___0 ; [L487] int tmp___1 ; [L488] int tmp___2 ; [L491] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] Loop: [L493] COND TRUE 1 [L495] COND TRUE splverifierCounter < 4 [L501] tmp = __VERIFIER_nondet_int() [L503] COND FALSE !(\read(tmp)) [L511] tmp___0 = __VERIFIER_nondet_int() [L513] COND FALSE !(\read(tmp___0)) [L521] tmp___2 = __VERIFIER_nondet_int() [L523] COND TRUE \read(tmp___2) [L525] CALL startSystem() [L478] systemActive = 1 [L525] RET startSystem() [L538] CALL timeShift() [L304] COND FALSE !(\read(pumpRunning)) [L311] COND TRUE \read(systemActive) [L313] CALL processEnvironment() [L359] int tmp ; [L362] COND FALSE !(\read(pumpRunning)) [L377] CALL processEnvironment__wrappee__lowWaterSensor() [L333] int tmp ; [L336] COND FALSE !(\read(pumpRunning)) [L351] FCALL processEnvironment__wrappee__base() [L377] RET processEnvironment__wrappee__lowWaterSensor() [L313] RET processEnvironment() [L319] CALL __utac_acc__Specification3_spec__1() [L917] int tmp ; [L918] int tmp___0 ; [L919] int tmp___1 ; [L923] CALL, EXPR isMethaneLevelCritical() [L96] int retValue_acc ; [L99] retValue_acc = methaneLevelCritical [L100] return (retValue_acc); [L923] RET, EXPR isMethaneLevelCritical() [L923] tmp = isMethaneLevelCritical() [L925] COND FALSE !(\read(tmp)) [L929] CALL, EXPR getWaterLevel() [L128] int retValue_acc ; [L131] retValue_acc = waterLevel [L132] return (retValue_acc); [L929] RET, EXPR getWaterLevel() [L929] tmp___0 = getWaterLevel() [L931] COND FALSE !(tmp___0 == 2) [L319] RET __utac_acc__Specification3_spec__1() [L538] RET timeShift() End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2022-11-16 12:03:13,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f22e7ee2-319d-4ae3-be87-a723f3c8d61e/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)