./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 2329fc70 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_7e854891-1532-430e-8b00-2c86e2ccf1d7/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e854891-1532-430e-8b00-2c86e2ccf1d7/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e854891-1532-430e-8b00-2c86e2ccf1d7/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e854891-1532-430e-8b00-2c86e2ccf1d7/bin/uautomizer-uyxdKDjOR8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e854891-1532-430e-8b00-2c86e2ccf1d7/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e854891-1532-430e-8b00-2c86e2ccf1d7/bin/uautomizer-uyxdKDjOR8 --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 8c57aad23cdcf8081ba5352d473aea77ba42b47e93421a900d6921ce930c9593 --- 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-2329fc7 [2022-12-13 20:34:43,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 20:34:43,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 20:34:43,326 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 20:34:43,326 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 20:34:43,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 20:34:43,328 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 20:34:43,329 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 20:34:43,330 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 20:34:43,330 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 20:34:43,331 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 20:34:43,331 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 20:34:43,332 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 20:34:43,332 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 20:34:43,333 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 20:34:43,334 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 20:34:43,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 20:34:43,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 20:34:43,336 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 20:34:43,337 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 20:34:43,338 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 20:34:43,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 20:34:43,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 20:34:43,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 20:34:43,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 20:34:43,342 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 20:34:43,343 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 20:34:43,343 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 20:34:43,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 20:34:43,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 20:34:43,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 20:34:43,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 20:34:43,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 20:34:43,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 20:34:43,346 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 20:34:43,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 20:34:43,347 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 20:34:43,347 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 20:34:43,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 20:34:43,348 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 20:34:43,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 20:34:43,349 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e854891-1532-430e-8b00-2c86e2ccf1d7/bin/uautomizer-uyxdKDjOR8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-12-13 20:34:43,363 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 20:34:43,363 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 20:34:43,363 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 20:34:43,363 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 20:34:43,364 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-13 20:34:43,364 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-13 20:34:43,364 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 20:34:43,364 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 20:34:43,364 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 20:34:43,365 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 20:34:43,365 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-13 20:34:43,365 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 20:34:43,365 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-13 20:34:43,365 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 20:34:43,365 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-13 20:34:43,365 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-13 20:34:43,365 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-13 20:34:43,365 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-13 20:34:43,365 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 20:34:43,365 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 20:34:43,366 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-13 20:34:43,366 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 20:34:43,366 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 20:34:43,366 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-13 20:34:43,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:34:43,366 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 20:34:43,366 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-13 20:34:43,366 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-13 20:34:43,366 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 20:34:43,366 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-13 20:34:43,367 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-13 20:34:43,367 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-12-13 20:34:43,367 INFO L138 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2022-12-13 20:34:43,367 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-12-13 20:34:43,367 INFO L138 SettingsManager]: * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC [2022-12-13 20:34:43,367 INFO L138 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_7e854891-1532-430e-8b00-2c86e2ccf1d7/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e854891-1532-430e-8b00-2c86e2ccf1d7/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8c57aad23cdcf8081ba5352d473aea77ba42b47e93421a900d6921ce930c9593 [2022-12-13 20:34:43,533 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 20:34:43,552 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 20:34:43,554 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 20:34:43,556 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 20:34:43,556 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 20:34:43,557 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e854891-1532-430e-8b00-2c86e2ccf1d7/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2022-12-13 20:34:46,233 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 20:34:46,406 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 20:34:46,406 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e854891-1532-430e-8b00-2c86e2ccf1d7/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c [2022-12-13 20:34:46,416 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e854891-1532-430e-8b00-2c86e2ccf1d7/bin/uautomizer-uyxdKDjOR8/data/dd17ad4f9/31641c0b762a4c689e2875010fd25812/FLAG7dc3c0311 [2022-12-13 20:34:46,428 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e854891-1532-430e-8b00-2c86e2ccf1d7/bin/uautomizer-uyxdKDjOR8/data/dd17ad4f9/31641c0b762a4c689e2875010fd25812 [2022-12-13 20:34:46,430 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 20:34:46,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 20:34:46,432 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 20:34:46,432 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 20:34:46,435 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 20:34:46,435 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:34:46" (1/1) ... [2022-12-13 20:34:46,436 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c92a7c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:46, skipping insertion in model container [2022-12-13 20:34:46,436 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 08:34:46" (1/1) ... [2022-12-13 20:34:46,442 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 20:34:46,468 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 20:34:46,626 WARN L237 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_7e854891-1532-430e-8b00-2c86e2ccf1d7/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[15113,15126] [2022-12-13 20:34:46,638 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:34:46,646 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 20:34:46,688 WARN L237 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_7e854891-1532-430e-8b00-2c86e2ccf1d7/sv-benchmarks/c/product-lines/minepump_spec2_product20.cil.c[15113,15126] [2022-12-13 20:34:46,694 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 20:34:46,707 INFO L208 MainTranslator]: Completed translation [2022-12-13 20:34:46,708 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:46 WrapperNode [2022-12-13 20:34:46,708 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 20:34:46,708 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 20:34:46,709 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 20:34:46,709 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 20:34:46,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:46" (1/1) ... [2022-12-13 20:34:46,723 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:46" (1/1) ... [2022-12-13 20:34:46,740 INFO L138 Inliner]: procedures = 55, calls = 97, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 171 [2022-12-13 20:34:46,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 20:34:46,741 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 20:34:46,741 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 20:34:46,741 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 20:34:46,748 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:46" (1/1) ... [2022-12-13 20:34:46,748 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:46" (1/1) ... [2022-12-13 20:34:46,750 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:46" (1/1) ... [2022-12-13 20:34:46,750 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:46" (1/1) ... [2022-12-13 20:34:46,753 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:46" (1/1) ... [2022-12-13 20:34:46,756 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:46" (1/1) ... [2022-12-13 20:34:46,757 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:46" (1/1) ... [2022-12-13 20:34:46,758 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:46" (1/1) ... [2022-12-13 20:34:46,760 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 20:34:46,760 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 20:34:46,761 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 20:34:46,761 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 20:34:46,761 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:46" (1/1) ... [2022-12-13 20:34:46,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-13 20:34:46,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e854891-1532-430e-8b00-2c86e2ccf1d7/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 20:34:46,787 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e854891-1532-430e-8b00-2c86e2ccf1d7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-12-13 20:34:46,789 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e854891-1532-430e-8b00-2c86e2ccf1d7/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-12-13 20:34:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-13 20:34:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-12-13 20:34:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-12-13 20:34:46,821 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-12-13 20:34:46,821 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-12-13 20:34:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-12-13 20:34:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-12-13 20:34:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-12-13 20:34:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-12-13 20:34:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-12-13 20:34:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-12-13 20:34:46,822 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-12-13 20:34:46,822 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-12-13 20:34:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-13 20:34:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-12-13 20:34:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-12-13 20:34:46,823 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 20:34:46,823 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 20:34:46,883 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 20:34:46,884 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 20:34:47,048 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 20:34:47,054 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 20:34:47,054 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-12-13 20:34:47,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:34:47 BoogieIcfgContainer [2022-12-13 20:34:47,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 20:34:47,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-13 20:34:47,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-13 20:34:47,061 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-13 20:34:47,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.12 08:34:46" (1/3) ... [2022-12-13 20:34:47,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ebec8fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:34:47, skipping insertion in model container [2022-12-13 20:34:47,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 08:34:46" (2/3) ... [2022-12-13 20:34:47,063 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5ebec8fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.12 08:34:47, skipping insertion in model container [2022-12-13 20:34:47,063 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:34:47" (3/3) ... [2022-12-13 20:34:47,064 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product20.cil.c [2022-12-13 20:34:47,085 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-13 20:34:47,085 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-13 20:34:47,129 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-13 20:34:47,134 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=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@127d0c58, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=, UseSemiCommutativity=, Solver=, SolverTimeout=] [2022-12-13 20:34:47,134 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-12-13 20:34:47,137 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 63 states have (on average 1.380952380952381) internal successors, (87), 70 states have internal predecessors, (87), 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) [2022-12-13 20:34:47,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-12-13 20:34:47,144 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:34:47,144 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] [2022-12-13 20:34:47,145 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:34:47,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:47,150 INFO L85 PathProgramCache]: Analyzing trace with hash -533939434, now seen corresponding path program 1 times [2022-12-13 20:34:47,159 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:34:47,160 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1117506865] [2022-12-13 20:34:47,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:47,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:34:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:34:47,309 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-12-13 20:34:47,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:34:47,315 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:34:47,315 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:34:47,315 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1117506865] [2022-12-13 20:34:47,316 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1117506865] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:34:47,316 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:34:47,316 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-12-13 20:34:47,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [174814822] [2022-12-13 20:34:47,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:34:47,321 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-12-13 20:34:47,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:34:47,342 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-12-13 20:34:47,343 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-12-13 20:34:47,344 INFO L87 Difference]: Start difference. First operand has 83 states, 63 states have (on average 1.380952380952381) internal successors, (87), 70 states have internal predecessors, (87), 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) 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) [2022-12-13 20:34:47,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:34:47,381 INFO L93 Difference]: Finished difference Result 157 states and 212 transitions. [2022-12-13 20:34:47,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-12-13 20:34:47,382 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 [2022-12-13 20:34:47,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:34:47,390 INFO L225 Difference]: With dead ends: 157 [2022-12-13 20:34:47,390 INFO L226 Difference]: Without dead ends: 74 [2022-12-13 20:34:47,393 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 [2022-12-13 20:34:47,396 INFO L413 NwaCegarLoop]: 103 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, 103 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 [2022-12-13 20:34:47,397 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:34:47,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-12-13 20:34:47,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-12-13 20:34:47,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 56 states have (on average 1.3035714285714286) internal successors, (73), 62 states have internal predecessors, (73), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-12-13 20:34:47,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 94 transitions. [2022-12-13 20:34:47,430 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 94 transitions. Word has length 25 [2022-12-13 20:34:47,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:34:47,431 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 94 transitions. [2022-12-13 20:34:47,431 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) [2022-12-13 20:34:47,431 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 94 transitions. [2022-12-13 20:34:47,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-12-13 20:34:47,433 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:34:47,433 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] [2022-12-13 20:34:47,433 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-13 20:34:47,433 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:34:47,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:47,434 INFO L85 PathProgramCache]: Analyzing trace with hash -1868756667, now seen corresponding path program 1 times [2022-12-13 20:34:47,434 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:34:47,434 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277702595] [2022-12-13 20:34:47,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:47,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:34:47,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:34:47,524 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-12-13 20:34:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:34:47,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:34:47,528 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:34:47,529 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277702595] [2022-12-13 20:34:47,529 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277702595] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:34:47,529 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:34:47,529 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:34:47,529 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1304946537] [2022-12-13 20:34:47,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:34:47,530 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:34:47,531 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:34:47,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:34:47,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:34:47,532 INFO L87 Difference]: Start difference. First operand 74 states and 94 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) [2022-12-13 20:34:47,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:34:47,544 INFO L93 Difference]: Finished difference Result 108 states and 136 transitions. [2022-12-13 20:34:47,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:34:47,544 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 [2022-12-13 20:34:47,545 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:34:47,545 INFO L225 Difference]: With dead ends: 108 [2022-12-13 20:34:47,545 INFO L226 Difference]: Without dead ends: 65 [2022-12-13 20:34:47,546 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 [2022-12-13 20:34:47,547 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 17 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 140 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 [2022-12-13 20:34:47,548 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 140 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:34:47,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-12-13 20:34:47,554 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-12-13 20:34:47,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 50 states have (on average 1.32) internal successors, (66), 56 states have internal predecessors, (66), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2022-12-13 20:34:47,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 82 transitions. [2022-12-13 20:34:47,555 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 82 transitions. Word has length 26 [2022-12-13 20:34:47,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:34:47,556 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 82 transitions. [2022-12-13 20:34:47,556 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) [2022-12-13 20:34:47,556 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 82 transitions. [2022-12-13 20:34:47,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-12-13 20:34:47,557 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:34:47,557 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] [2022-12-13 20:34:47,557 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-13 20:34:47,557 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:34:47,557 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:47,558 INFO L85 PathProgramCache]: Analyzing trace with hash 1886146375, now seen corresponding path program 1 times [2022-12-13 20:34:47,558 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:34:47,558 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172131630] [2022-12-13 20:34:47,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:47,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:34:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:34:47,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-12-13 20:34:47,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:34:47,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:34:47,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:34:47,610 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172131630] [2022-12-13 20:34:47,610 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172131630] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:34:47,611 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:34:47,611 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-12-13 20:34:47,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14645324] [2022-12-13 20:34:47,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:34:47,611 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-12-13 20:34:47,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:34:47,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-12-13 20:34:47,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-12-13 20:34:47,612 INFO L87 Difference]: Start difference. First operand 65 states and 82 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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) [2022-12-13 20:34:47,636 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:34:47,636 INFO L93 Difference]: Finished difference Result 177 states and 229 transitions. [2022-12-13 20:34:47,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-12-13 20:34:47,637 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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 [2022-12-13 20:34:47,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:34:47,638 INFO L225 Difference]: With dead ends: 177 [2022-12-13 20:34:47,638 INFO L226 Difference]: Without dead ends: 120 [2022-12-13 20:34:47,639 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 [2022-12-13 20:34:47,640 INFO L413 NwaCegarLoop]: 104 mSDtfsCounter, 74 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:34:47,640 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 173 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:34:47,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2022-12-13 20:34:47,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 117. [2022-12-13 20:34:47,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 88 states have (on average 1.3522727272727273) internal successors, (119), 99 states have internal predecessors, (119), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2022-12-13 20:34:47,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 151 transitions. [2022-12-13 20:34:47,653 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 151 transitions. Word has length 31 [2022-12-13 20:34:47,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:34:47,653 INFO L495 AbstractCegarLoop]: Abstraction has 117 states and 151 transitions. [2022-12-13 20:34:47,654 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 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) [2022-12-13 20:34:47,654 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 151 transitions. [2022-12-13 20:34:47,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-12-13 20:34:47,654 INFO L187 NwaCegarLoop]: Found error trace [2022-12-13 20:34:47,655 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] [2022-12-13 20:34:47,655 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-12-13 20:34:47,655 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-13 20:34:47,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 20:34:47,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1556691395, now seen corresponding path program 1 times [2022-12-13 20:34:47,655 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 20:34:47,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493911250] [2022-12-13 20:34:47,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 20:34:47,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 20:34:47,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:34:47,742 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-12-13 20:34:47,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 20:34:47,747 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 20:34:47,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-13 20:34:47,747 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493911250] [2022-12-13 20:34:47,747 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1493911250] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-13 20:34:47,747 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-13 20:34:47,747 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-13 20:34:47,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336571972] [2022-12-13 20:34:47,748 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-13 20:34:47,748 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-13 20:34:47,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-13 20:34:47,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-13 20:34:47,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-13 20:34:47,749 INFO L87 Difference]: Start difference. First operand 117 states and 151 transitions. Second operand has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 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) [2022-12-13 20:34:47,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-12-13 20:34:47,790 INFO L93 Difference]: Finished difference Result 202 states and 261 transitions. [2022-12-13 20:34:47,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-12-13 20:34:47,790 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 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 34 [2022-12-13 20:34:47,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-12-13 20:34:47,791 INFO L225 Difference]: With dead ends: 202 [2022-12-13 20:34:47,791 INFO L226 Difference]: Without dead ends: 0 [2022-12-13 20:34:47,792 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-12-13 20:34:47,793 INFO L413 NwaCegarLoop]: 54 mSDtfsCounter, 38 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-12-13 20:34:47,794 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 157 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-12-13 20:34:47,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-12-13 20:34:47,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-12-13 20:34:47,795 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) [2022-12-13 20:34:47,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-12-13 20:34:47,795 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2022-12-13 20:34:47,795 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-12-13 20:34:47,795 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 20:34:47,795 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.2) internal successors, (31), 5 states have internal predecessors, (31), 1 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) [2022-12-13 20:34:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-12-13 20:34:47,796 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-12-13 20:34:47,798 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-12-13 20:34:47,799 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-12-13 20:34:47,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-12-13 20:34:47,998 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 841 848) no Hoare annotation was computed. [2022-12-13 20:34:47,998 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 841 848) the Hoare annotation is: true [2022-12-13 20:34:47,998 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 841 848) no Hoare annotation was computed. [2022-12-13 20:34:47,998 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 800 806) no Hoare annotation was computed. [2022-12-13 20:34:47,998 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 800 806) the Hoare annotation is: true [2022-12-13 20:34:47,999 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 162 173) the Hoare annotation is: true [2022-12-13 20:34:47,999 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 162 173) no Hoare annotation was computed. [2022-12-13 20:34:47,999 INFO L899 garLoopResultBuilder]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2022-12-13 20:34:47,999 INFO L899 garLoopResultBuilder]: For program point L787-1(lines 787 793) no Hoare annotation was computed. [2022-12-13 20:34:47,999 INFO L899 garLoopResultBuilder]: For program point L816(lines 816 824) no Hoare annotation was computed. [2022-12-13 20:34:47,999 INFO L895 garLoopResultBuilder]: At program point isLowWaterSensorDry_returnLabel#1(lines 215 223) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-12-13 20:34:47,999 INFO L899 garLoopResultBuilder]: For program point L812(lines 812 829) no Hoare annotation was computed. [2022-12-13 20:34:47,999 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 776 799) no Hoare annotation was computed. [2022-12-13 20:34:48,000 INFO L899 garLoopResultBuilder]: For program point L780-1(lines 779 798) no Hoare annotation was computed. [2022-12-13 20:34:48,000 INFO L899 garLoopResultBuilder]: For program point L74(lines 74 84) no Hoare annotation was computed. [2022-12-13 20:34:48,000 INFO L899 garLoopResultBuilder]: For program point L70(lines 70 87) no Hoare annotation was computed. [2022-12-13 20:34:48,000 INFO L895 garLoopResultBuilder]: At program point L70-1(lines 62 90) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-12-13 20:34:48,000 INFO L895 garLoopResultBuilder]: At program point L822(line 822) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-12-13 20:34:48,000 INFO L895 garLoopResultBuilder]: At program point L818(line 818) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-12-13 20:34:48,000 INFO L899 garLoopResultBuilder]: For program point L75(lines 75 81) no Hoare annotation was computed. [2022-12-13 20:34:48,001 INFO L895 garLoopResultBuilder]: At program point __automaton_fail_returnLabel#1(lines 691 698) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-12-13 20:34:48,001 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 776 799) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-12-13 20:34:48,001 INFO L895 garLoopResultBuilder]: At program point isLowWaterLevel_returnLabel#1(lines 905 923) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-12-13 20:34:48,001 INFO L895 garLoopResultBuilder]: At program point L827(line 827) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-12-13 20:34:48,001 INFO L895 garLoopResultBuilder]: At program point L827-1(lines 808 832) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-12-13 20:34:48,001 INFO L899 garLoopResultBuilder]: For program point L695(line 695) no Hoare annotation was computed. [2022-12-13 20:34:48,001 INFO L899 garLoopResultBuilder]: For program point L914(lines 914 918) no Hoare annotation was computed. [2022-12-13 20:34:48,001 INFO L899 garLoopResultBuilder]: For program point L914-2(lines 914 918) no Hoare annotation was computed. [2022-12-13 20:34:48,002 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 146) no Hoare annotation was computed. [2022-12-13 20:34:48,002 INFO L895 garLoopResultBuilder]: At program point L142-2(lines 138 149) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-12-13 20:34:48,002 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 776 799) no Hoare annotation was computed. [2022-12-13 20:34:48,002 INFO L895 garLoopResultBuilder]: At program point isPumpRunning_returnLabel#1(lines 860 868) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) [2022-12-13 20:34:48,002 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 695) no Hoare annotation was computed. [2022-12-13 20:34:48,002 INFO L895 garLoopResultBuilder]: At program point L68(line 68) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-12-13 20:34:48,002 INFO L899 garLoopResultBuilder]: For program point L68-1(line 68) no Hoare annotation was computed. [2022-12-13 20:34:48,003 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 227 256) no Hoare annotation was computed. [2022-12-13 20:34:48,003 INFO L902 garLoopResultBuilder]: At program point L252(lines 227 256) the Hoare annotation is: true [2022-12-13 20:34:48,003 INFO L899 garLoopResultBuilder]: For program point L248(line 248) no Hoare annotation was computed. [2022-12-13 20:34:48,003 INFO L899 garLoopResultBuilder]: For program point L241(lines 241 245) no Hoare annotation was computed. [2022-12-13 20:34:48,003 INFO L902 garLoopResultBuilder]: At program point L241-1(lines 241 245) the Hoare annotation is: true [2022-12-13 20:34:48,003 INFO L899 garLoopResultBuilder]: For program point L238(line 238) no Hoare annotation was computed. [2022-12-13 20:34:48,003 INFO L902 garLoopResultBuilder]: At program point L237-2(lines 237 251) the Hoare annotation is: true [2022-12-13 20:34:48,003 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 227 256) the Hoare annotation is: true [2022-12-13 20:34:48,004 INFO L902 garLoopResultBuilder]: At program point L233(line 233) the Hoare annotation is: true [2022-12-13 20:34:48,004 INFO L899 garLoopResultBuilder]: For program point L233-1(line 233) no Hoare annotation was computed. [2022-12-13 20:34:48,004 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 174 182) the Hoare annotation is: true [2022-12-13 20:34:48,010 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 174 182) no Hoare annotation was computed. [2022-12-13 20:34:48,010 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 174 182) no Hoare annotation was computed. [2022-12-13 20:34:48,011 INFO L895 garLoopResultBuilder]: At program point startSystem_returnLabel#1(lines 939 946) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 20:34:48,011 INFO L895 garLoopResultBuilder]: At program point L762(lines 711 763) the Hoare annotation is: false [2022-12-13 20:34:48,011 INFO L902 garLoopResultBuilder]: At program point runTest_returnLabel#1(lines 290 300) the Hoare annotation is: true [2022-12-13 20:34:48,011 INFO L899 garLoopResultBuilder]: For program point L750(lines 750 756) no Hoare annotation was computed. [2022-12-13 20:34:48,011 INFO L895 garLoopResultBuilder]: At program point L750-2(lines 742 757) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 20:34:48,012 INFO L895 garLoopResultBuilder]: At program point select_features_returnLabel#1(lines 106 112) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-12-13 20:34:48,012 INFO L899 garLoopResultBuilder]: For program point L713(lines 712 761) no Hoare annotation was computed. [2022-12-13 20:34:48,012 INFO L902 garLoopResultBuilder]: At program point main_returnLabel#1(lines 301 323) the Hoare annotation is: true [2022-12-13 20:34:48,012 INFO L899 garLoopResultBuilder]: For program point L742(lines 742 757) no Hoare annotation was computed. [2022-12-13 20:34:48,012 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 934) no Hoare annotation was computed. [2022-12-13 20:34:48,012 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-12-13 20:34:48,012 INFO L899 garLoopResultBuilder]: For program point L928-1(lines 928 934) no Hoare annotation was computed. [2022-12-13 20:34:48,013 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 20:34:48,013 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-12-13 20:34:48,013 INFO L895 garLoopResultBuilder]: At program point L759(lines 712 761) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 20:34:48,013 INFO L899 garLoopResultBuilder]: For program point L722(lines 722 728) no Hoare annotation was computed. [2022-12-13 20:34:48,013 INFO L899 garLoopResultBuilder]: For program point L722-1(lines 722 728) no Hoare annotation was computed. [2022-12-13 20:34:48,013 INFO L899 garLoopResultBuilder]: For program point L714(lines 714 718) no Hoare annotation was computed. [2022-12-13 20:34:48,014 INFO L895 garLoopResultBuilder]: At program point setup_returnLabel#1(lines 282 288) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-12-13 20:34:48,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-12-13 20:34:48,014 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2022-12-13 20:34:48,014 INFO L895 garLoopResultBuilder]: At program point select_helpers_returnLabel#1(lines 113 119) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-12-13 20:34:48,014 INFO L895 garLoopResultBuilder]: At program point L930(line 930) the Hoare annotation is: false [2022-12-13 20:34:48,014 INFO L895 garLoopResultBuilder]: At program point __utac_acc__Specification2_spec__1_returnLabel#1(lines 54 61) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-12-13 20:34:48,014 INFO L902 garLoopResultBuilder]: At program point L765(lines 702 769) the Hoare annotation is: true [2022-12-13 20:34:48,015 INFO L899 garLoopResultBuilder]: For program point L732(lines 732 738) no Hoare annotation was computed. [2022-12-13 20:34:48,015 INFO L899 garLoopResultBuilder]: For program point L732-1(lines 732 738) no Hoare annotation was computed. [2022-12-13 20:34:48,015 INFO L899 garLoopResultBuilder]: For program point L311(lines 311 318) no Hoare annotation was computed. [2022-12-13 20:34:48,015 INFO L899 garLoopResultBuilder]: For program point L311-2(lines 311 318) no Hoare annotation was computed. [2022-12-13 20:34:48,015 INFO L895 garLoopResultBuilder]: At program point L724(line 724) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 20:34:48,015 INFO L895 garLoopResultBuilder]: At program point stopSystem_returnLabel#1(lines 924 938) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-12-13 20:34:48,016 INFO L895 garLoopResultBuilder]: At program point valid_product_returnLabel#1(lines 120 128) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-12-13 20:34:48,016 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 150 161) no Hoare annotation was computed. [2022-12-13 20:34:48,016 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 150 161) the Hoare annotation is: true [2022-12-13 20:34:48,016 INFO L899 garLoopResultBuilder]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2022-12-13 20:34:48,019 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-12-13 20:34:48,022 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-13 20:34:48,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.12 08:34:48 BoogieIcfgContainer [2022-12-13 20:34:48,036 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-13 20:34:48,037 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 20:34:48,037 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 20:34:48,037 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 20:34:48,038 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 08:34:47" (3/4) ... [2022-12-13 20:34:48,040 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-12-13 20:34:48,047 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-12-13 20:34:48,047 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-12-13 20:34:48,047 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-12-13 20:34:48,047 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-12-13 20:34:48,047 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-12-13 20:34:48,048 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-12-13 20:34:48,048 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-12-13 20:34:48,053 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2022-12-13 20:34:48,054 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-12-13 20:34:48,054 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-12-13 20:34:48,054 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:34:48,055 INFO L961 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-12-13 20:34:48,078 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-12-13 20:34:48,079 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-12-13 20:34:48,079 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-12-13 20:34:48,080 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) [2022-12-13 20:34:48,080 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-12-13 20:34:48,080 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-12-13 20:34:48,080 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-12-13 20:34:48,095 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e854891-1532-430e-8b00-2c86e2ccf1d7/bin/uautomizer-uyxdKDjOR8/witness.graphml [2022-12-13 20:34:48,095 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 20:34:48,096 INFO L158 Benchmark]: Toolchain (without parser) took 1664.48ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 100.9MB in the beginning and 125.9MB in the end (delta: -25.0MB). Peak memory consumption was 4.4MB. Max. memory is 16.1GB. [2022-12-13 20:34:48,096 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 108.0MB. There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 20:34:48,096 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.95ms. Allocated memory is still 136.3MB. Free memory was 100.9MB in the beginning and 82.2MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-12-13 20:34:48,096 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.05ms. Allocated memory is still 136.3MB. Free memory was 82.2MB in the beginning and 80.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:34:48,097 INFO L158 Benchmark]: Boogie Preprocessor took 19.06ms. Allocated memory is still 136.3MB. Free memory was 80.1MB in the beginning and 79.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 20:34:48,097 INFO L158 Benchmark]: RCFGBuilder took 295.34ms. Allocated memory is still 136.3MB. Free memory was 79.0MB in the beginning and 63.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-12-13 20:34:48,097 INFO L158 Benchmark]: TraceAbstraction took 977.90ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 62.7MB in the beginning and 131.2MB in the end (delta: -68.5MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. [2022-12-13 20:34:48,097 INFO L158 Benchmark]: Witness Printer took 58.42ms. Allocated memory is still 163.6MB. Free memory was 131.2MB in the beginning and 125.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-12-13 20:34:48,099 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17ms. Allocated memory is still 136.3MB. Free memory is still 108.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.95ms. Allocated memory is still 136.3MB. Free memory was 100.9MB in the beginning and 82.2MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.05ms. Allocated memory is still 136.3MB. Free memory was 82.2MB in the beginning and 80.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.06ms. Allocated memory is still 136.3MB. Free memory was 80.1MB in the beginning and 79.0MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 295.34ms. Allocated memory is still 136.3MB. Free memory was 79.0MB in the beginning and 63.7MB in the end (delta: 15.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 977.90ms. Allocated memory was 136.3MB in the beginning and 163.6MB in the end (delta: 27.3MB). Free memory was 62.7MB in the beginning and 131.2MB in the end (delta: -68.5MB). Peak memory consumption was 25.3MB. Max. memory is 16.1GB. * Witness Printer took 58.42ms. Allocated memory is still 163.6MB. Free memory was 131.2MB in the beginning and 125.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 695]: 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 8 procedures, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 133 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 129 mSDsluCounter, 573 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 231 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 342 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=117occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 186 PreInvPairs, 212 NumberOfFragments, 171 HoareAnnotationTreeSize, 186 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 38 FomulaSimplificationsInter, 282 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 180 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 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: 924]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 712]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 939]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 711]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 120]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 905]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 113]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 227]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 860]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 215]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 290]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-12-13 20:34:48,114 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7e854891-1532-430e-8b00-2c86e2ccf1d7/bin/uautomizer-uyxdKDjOR8/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