./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e04fb08f Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc86e1-48e6-4a03-94fa-a6b2f9ddd477/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc86e1-48e6-4a03-94fa-a6b2f9ddd477/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_20fc86e1-48e6-4a03-94fa-a6b2f9ddd477/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc86e1-48e6-4a03-94fa-a6b2f9ddd477/bin/uautomizer-tPACEb0tL8/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc86e1-48e6-4a03-94fa-a6b2f9ddd477/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc86e1-48e6-4a03-94fa-a6b2f9ddd477/bin/uautomizer-tPACEb0tL8 --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 d2302423425d09a02191583f4a443e0b9b2d72b45fd4f1bcb2e2d3ac85995a3d --- 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 11:47:39,344 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 11:47:39,346 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 11:47:39,386 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 11:47:39,386 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 11:47:39,387 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 11:47:39,389 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 11:47:39,390 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 11:47:39,392 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 11:47:39,393 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 11:47:39,397 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 11:47:39,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 11:47:39,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 11:47:39,407 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 11:47:39,409 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 11:47:39,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 11:47:39,413 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 11:47:39,415 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 11:47:39,418 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 11:47:39,425 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 11:47:39,426 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 11:47:39,427 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 11:47:39,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 11:47:39,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 11:47:39,440 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 11:47:39,440 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 11:47:39,441 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 11:47:39,443 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 11:47:39,443 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 11:47:39,444 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 11:47:39,444 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 11:47:39,445 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 11:47:39,447 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 11:47:39,448 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 11:47:39,449 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 11:47:39,449 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 11:47:39,450 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 11:47:39,450 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 11:47:39,451 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 11:47:39,451 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 11:47:39,452 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 11:47:39,453 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc86e1-48e6-4a03-94fa-a6b2f9ddd477/bin/uautomizer-tPACEb0tL8/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-16 11:47:39,491 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 11:47:39,492 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 11:47:39,492 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 11:47:39,497 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 11:47:39,498 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-16 11:47:39,498 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-16 11:47:39,499 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 11:47:39,499 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 11:47:39,499 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 11:47:39,500 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 11:47:39,500 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-16 11:47:39,501 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 11:47:39,501 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-16 11:47:39,501 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 11:47:39,501 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-16 11:47:39,501 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-16 11:47:39,502 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-16 11:47:39,502 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-16 11:47:39,502 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 11:47:39,502 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 11:47:39,502 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-16 11:47:39,503 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 11:47:39,503 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 11:47:39,503 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-16 11:47:39,503 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:47:39,504 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 11:47:39,505 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-16 11:47:39,505 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-16 11:47:39,506 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 11:47:39,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-16 11:47:39,506 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-16 11:47:39,506 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-16 11:47:39,507 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-16 11:47:39,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc86e1-48e6-4a03-94fa-a6b2f9ddd477/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc86e1-48e6-4a03-94fa-a6b2f9ddd477/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d2302423425d09a02191583f4a443e0b9b2d72b45fd4f1bcb2e2d3ac85995a3d [2022-11-16 11:47:39,773 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 11:47:39,796 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 11:47:39,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 11:47:39,800 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 11:47:39,801 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 11:47:39,802 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc86e1-48e6-4a03-94fa-a6b2f9ddd477/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2022-11-16 11:47:39,872 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc86e1-48e6-4a03-94fa-a6b2f9ddd477/bin/uautomizer-tPACEb0tL8/data/012ad62f8/2a159843d3544896b0bca37fbe9631e8/FLAGafeac6065 [2022-11-16 11:47:40,395 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 11:47:40,396 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc86e1-48e6-4a03-94fa-a6b2f9ddd477/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c [2022-11-16 11:47:40,411 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc86e1-48e6-4a03-94fa-a6b2f9ddd477/bin/uautomizer-tPACEb0tL8/data/012ad62f8/2a159843d3544896b0bca37fbe9631e8/FLAGafeac6065 [2022-11-16 11:47:40,711 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc86e1-48e6-4a03-94fa-a6b2f9ddd477/bin/uautomizer-tPACEb0tL8/data/012ad62f8/2a159843d3544896b0bca37fbe9631e8 [2022-11-16 11:47:40,713 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 11:47:40,714 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 11:47:40,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 11:47:40,719 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 11:47:40,722 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 11:47:40,723 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:47:40" (1/1) ... [2022-11-16 11:47:40,725 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6beb17dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:40, skipping insertion in model container [2022-11-16 11:47:40,725 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 11:47:40" (1/1) ... [2022-11-16 11:47:40,733 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 11:47:40,795 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 11:47:41,052 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_20fc86e1-48e6-4a03-94fa-a6b2f9ddd477/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c[5831,5844] [2022-11-16 11:47:41,134 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:47:41,158 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 11:47:41,196 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_20fc86e1-48e6-4a03-94fa-a6b2f9ddd477/sv-benchmarks/c/product-lines/minepump_spec2_product15.cil.c[5831,5844] [2022-11-16 11:47:41,232 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 11:47:41,248 INFO L208 MainTranslator]: Completed translation [2022-11-16 11:47:41,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:41 WrapperNode [2022-11-16 11:47:41,249 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 11:47:41,250 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 11:47:41,250 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 11:47:41,251 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 11:47:41,258 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:41" (1/1) ... [2022-11-16 11:47:41,272 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:41" (1/1) ... [2022-11-16 11:47:41,308 INFO L138 Inliner]: procedures = 53, calls = 153, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 203 [2022-11-16 11:47:41,308 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 11:47:41,309 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 11:47:41,309 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 11:47:41,309 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 11:47:41,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:41" (1/1) ... [2022-11-16 11:47:41,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:41" (1/1) ... [2022-11-16 11:47:41,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:41" (1/1) ... [2022-11-16 11:47:41,323 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:41" (1/1) ... [2022-11-16 11:47:41,328 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:41" (1/1) ... [2022-11-16 11:47:41,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:41" (1/1) ... [2022-11-16 11:47:41,339 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:41" (1/1) ... [2022-11-16 11:47:41,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:41" (1/1) ... [2022-11-16 11:47:41,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 11:47:41,345 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 11:47:41,358 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 11:47:41,358 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 11:47:41,359 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:41" (1/1) ... [2022-11-16 11:47:41,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-16 11:47:41,381 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc86e1-48e6-4a03-94fa-a6b2f9ddd477/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 11:47:41,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc86e1-48e6-4a03-94fa-a6b2f9ddd477/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-16 11:47:41,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc86e1-48e6-4a03-94fa-a6b2f9ddd477/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-16 11:47:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-16 11:47:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-16 11:47:41,432 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-16 11:47:41,432 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-16 11:47:41,432 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-16 11:47:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-16 11:47:41,433 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-16 11:47:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-16 11:47:41,433 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-16 11:47:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-16 11:47:41,433 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-16 11:47:41,433 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-16 11:47:41,434 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-16 11:47:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-16 11:47:41,434 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-16 11:47:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-16 11:47:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-16 11:47:41,434 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-16 11:47:41,434 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 11:47:41,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 11:47:41,512 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 11:47:41,514 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 11:47:41,921 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 11:47:41,930 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 11:47:41,930 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-16 11:47:41,932 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:47:41 BoogieIcfgContainer [2022-11-16 11:47:41,932 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 11:47:41,934 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-16 11:47:41,934 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-16 11:47:41,947 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-16 11:47:41,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 11:47:40" (1/3) ... [2022-11-16 11:47:41,948 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ba864a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:47:41, skipping insertion in model container [2022-11-16 11:47:41,948 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 11:47:41" (2/3) ... [2022-11-16 11:47:41,949 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25ba864a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 11:47:41, skipping insertion in model container [2022-11-16 11:47:41,949 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:47:41" (3/3) ... [2022-11-16 11:47:41,952 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product15.cil.c [2022-11-16 11:47:41,975 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-16 11:47:41,976 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-16 11:47:42,042 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-16 11:47:42,049 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;@655c0b19, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-16 11:47:42,050 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-16 11:47:42,054 INFO L276 IsEmpty]: Start isEmpty. Operand has 85 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 69 states have internal predecessors, (85), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) [2022-11-16 11:47:42,064 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-16 11:47:42,064 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:47:42,065 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] [2022-11-16 11:47:42,066 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:47:42,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:42,072 INFO L85 PathProgramCache]: Analyzing trace with hash -326168501, now seen corresponding path program 1 times [2022-11-16 11:47:42,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:42,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453876933] [2022-11-16 11:47:42,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:42,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:42,413 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-16 11:47:42,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:42,436 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 11:47:42,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:42,442 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [453876933] [2022-11-16 11:47:42,443 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [453876933] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:42,443 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:42,443 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-16 11:47:42,446 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653698522] [2022-11-16 11:47:42,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:42,454 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-16 11:47:42,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:42,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-16 11:47:42,499 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-16 11:47:42,502 INFO L87 Difference]: Start difference. First operand has 85 states, 62 states have (on average 1.3709677419354838) internal successors, (85), 69 states have internal predecessors, (85), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) 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) [2022-11-16 11:47:42,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:47:42,565 INFO L93 Difference]: Finished difference Result 161 states and 216 transitions. [2022-11-16 11:47:42,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-16 11:47:42,567 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 [2022-11-16 11:47:42,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:47:42,584 INFO L225 Difference]: With dead ends: 161 [2022-11-16 11:47:42,584 INFO L226 Difference]: Without dead ends: 76 [2022-11-16 11:47:42,589 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 [2022-11-16 11:47:42,593 INFO L413 NwaCegarLoop]: 105 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, 105 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 [2022-11-16 11:47:42,594 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 105 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:47:42,612 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2022-11-16 11:47:42,643 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2022-11-16 11:47:42,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 55 states have (on average 1.290909090909091) internal successors, (71), 61 states have internal predecessors, (71), 13 states have call successors, (13), 8 states have call predecessors, (13), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-16 11:47:42,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 96 transitions. [2022-11-16 11:47:42,654 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 96 transitions. Word has length 25 [2022-11-16 11:47:42,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:47:42,655 INFO L495 AbstractCegarLoop]: Abstraction has 76 states and 96 transitions. [2022-11-16 11:47:42,656 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) [2022-11-16 11:47:42,656 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 96 transitions. [2022-11-16 11:47:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-16 11:47:42,662 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:47:42,662 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] [2022-11-16 11:47:42,663 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-16 11:47:42,663 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:47:42,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:42,667 INFO L85 PathProgramCache]: Analyzing trace with hash -1971183804, now seen corresponding path program 1 times [2022-11-16 11:47:42,667 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:42,668 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004039333] [2022-11-16 11:47:42,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:42,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:42,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:42,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-16 11:47:42,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:42,811 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 11:47:42,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:42,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004039333] [2022-11-16 11:47:42,812 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004039333] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:42,812 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:42,813 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:47:42,813 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109373281] [2022-11-16 11:47:42,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:42,815 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:42,815 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:42,816 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:42,816 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:42,816 INFO L87 Difference]: Start difference. First operand 76 states and 96 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) [2022-11-16 11:47:42,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:47:42,834 INFO L93 Difference]: Finished difference Result 113 states and 141 transitions. [2022-11-16 11:47:42,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:42,835 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 [2022-11-16 11:47:42,836 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:47:42,837 INFO L225 Difference]: With dead ends: 113 [2022-11-16 11:47:42,837 INFO L226 Difference]: Without dead ends: 67 [2022-11-16 11:47:42,838 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 [2022-11-16 11:47:42,839 INFO L413 NwaCegarLoop]: 83 mSDtfsCounter, 16 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 145 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 [2022-11-16 11:47:42,840 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 145 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:47:42,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2022-11-16 11:47:42,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 67. [2022-11-16 11:47:42,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 67 states, 49 states have (on average 1.3061224489795917) internal successors, (64), 55 states have internal predecessors, (64), 10 states have call successors, (10), 7 states have call predecessors, (10), 7 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2022-11-16 11:47:42,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 67 states and 84 transitions. [2022-11-16 11:47:42,851 INFO L78 Accepts]: Start accepts. Automaton has 67 states and 84 transitions. Word has length 26 [2022-11-16 11:47:42,851 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:47:42,851 INFO L495 AbstractCegarLoop]: Abstraction has 67 states and 84 transitions. [2022-11-16 11:47:42,851 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) [2022-11-16 11:47:42,852 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 84 transitions. [2022-11-16 11:47:42,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-16 11:47:42,853 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:47:42,853 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-16 11:47:42,853 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-16 11:47:42,854 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:47:42,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:42,855 INFO L85 PathProgramCache]: Analyzing trace with hash -409860073, now seen corresponding path program 1 times [2022-11-16 11:47:42,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:42,855 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792421915] [2022-11-16 11:47:42,856 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:42,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:42,957 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-16 11:47:42,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:42,962 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 11:47:42,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:42,967 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792421915] [2022-11-16 11:47:42,967 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792421915] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:42,967 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:42,967 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-16 11:47:42,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283750223] [2022-11-16 11:47:42,968 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:42,969 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-16 11:47:42,971 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:42,971 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-16 11:47:42,971 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:42,972 INFO L87 Difference]: Start difference. First operand 67 states and 84 transitions. Second operand has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:47:43,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:47:43,032 INFO L93 Difference]: Finished difference Result 184 states and 236 transitions. [2022-11-16 11:47:43,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-16 11:47:43,035 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-11-16 11:47:43,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:47:43,042 INFO L225 Difference]: With dead ends: 184 [2022-11-16 11:47:43,042 INFO L226 Difference]: Without dead ends: 125 [2022-11-16 11:47:43,047 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-16 11:47:43,049 INFO L413 NwaCegarLoop]: 106 mSDtfsCounter, 63 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-16 11:47:43,050 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 179 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:47:43,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2022-11-16 11:47:43,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 122. [2022-11-16 11:47:43,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 87 states have (on average 1.3333333333333333) internal successors, (116), 98 states have internal predecessors, (116), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-16 11:47:43,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 156 transitions. [2022-11-16 11:47:43,095 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 156 transitions. Word has length 30 [2022-11-16 11:47:43,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:47:43,096 INFO L495 AbstractCegarLoop]: Abstraction has 122 states and 156 transitions. [2022-11-16 11:47:43,096 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-16 11:47:43,096 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 156 transitions. [2022-11-16 11:47:43,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-16 11:47:43,098 INFO L187 NwaCegarLoop]: Found error trace [2022-11-16 11:47:43,099 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] [2022-11-16 11:47:43,099 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-16 11:47:43,099 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-16 11:47:43,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 11:47:43,102 INFO L85 PathProgramCache]: Analyzing trace with hash 1560227681, now seen corresponding path program 1 times [2022-11-16 11:47:43,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 11:47:43,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131016245] [2022-11-16 11:47:43,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 11:47:43,105 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 11:47:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:43,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-16 11:47:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-16 11:47:43,359 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 11:47:43,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-16 11:47:43,360 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131016245] [2022-11-16 11:47:43,360 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131016245] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-16 11:47:43,360 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-16 11:47:43,361 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-16 11:47:43,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1946368698] [2022-11-16 11:47:43,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-16 11:47:43,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-16 11:47:43,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-16 11:47:43,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-16 11:47:43,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-16 11:47:43,363 INFO L87 Difference]: Start difference. First operand 122 states and 156 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) [2022-11-16 11:47:43,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-16 11:47:43,443 INFO L93 Difference]: Finished difference Result 206 states and 265 transitions. [2022-11-16 11:47:43,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-16 11:47:43,443 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 [2022-11-16 11:47:43,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-16 11:47:43,444 INFO L225 Difference]: With dead ends: 206 [2022-11-16 11:47:43,444 INFO L226 Difference]: Without dead ends: 0 [2022-11-16 11:47:43,445 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 [2022-11-16 11:47:43,451 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 37 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 154 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 [2022-11-16 11:47:43,456 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 154 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-16 11:47:43,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-16 11:47:43,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-16 11:47:43,459 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) [2022-11-16 11:47:43,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-16 11:47:43,460 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2022-11-16 11:47:43,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-16 11:47:43,460 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-16 11:47:43,460 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) [2022-11-16 11:47:43,461 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-16 11:47:43,461 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-16 11:47:43,464 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-16 11:47:43,465 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-16 11:47:43,467 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-16 11:47:43,814 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 145 152) the Hoare annotation is: true [2022-11-16 11:47:43,815 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 145 152) no Hoare annotation was computed. [2022-11-16 11:47:43,815 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 145 152) no Hoare annotation was computed. [2022-11-16 11:47:43,815 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 322 333) the Hoare annotation is: true [2022-11-16 11:47:43,816 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 322 333) no Hoare annotation was computed. [2022-11-16 11:47:43,816 INFO L899 garLoopResultBuilder]: For program point L326-1(lines 322 333) no Hoare annotation was computed. [2022-11-16 11:47:43,816 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 829 858) no Hoare annotation was computed. [2022-11-16 11:47:43,817 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 829 858) the Hoare annotation is: true [2022-11-16 11:47:43,817 INFO L902 garLoopResultBuilder]: At program point L854(lines 829 858) the Hoare annotation is: true [2022-11-16 11:47:43,817 INFO L899 garLoopResultBuilder]: For program point L850(line 850) no Hoare annotation was computed. [2022-11-16 11:47:43,818 INFO L899 garLoopResultBuilder]: For program point L843(lines 843 847) no Hoare annotation was computed. [2022-11-16 11:47:43,818 INFO L902 garLoopResultBuilder]: At program point L843-1(lines 843 847) the Hoare annotation is: true [2022-11-16 11:47:43,819 INFO L899 garLoopResultBuilder]: For program point L840(line 840) no Hoare annotation was computed. [2022-11-16 11:47:43,819 INFO L902 garLoopResultBuilder]: At program point L839-2(lines 839 853) the Hoare annotation is: true [2022-11-16 11:47:43,820 INFO L902 garLoopResultBuilder]: At program point L835(line 835) the Hoare annotation is: true [2022-11-16 11:47:43,824 INFO L899 garLoopResultBuilder]: For program point L835-1(line 835) no Hoare annotation was computed. [2022-11-16 11:47:43,825 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 334 342) the Hoare annotation is: true [2022-11-16 11:47:43,825 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 334 342) no Hoare annotation was computed. [2022-11-16 11:47:43,825 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 334 342) no Hoare annotation was computed. [2022-11-16 11:47:43,825 INFO L895 garLoopResultBuilder]: At program point L114(line 114) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 11:47:43,826 INFO L895 garLoopResultBuilder]: At program point L114-1(lines 95 119) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 11:47:43,826 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 63 86) no Hoare annotation was computed. [2022-11-16 11:47:43,826 INFO L895 garLoopResultBuilder]: At program point L804(line 804) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 11:47:43,826 INFO L899 garLoopResultBuilder]: For program point L804-1(line 804) no Hoare annotation was computed. [2022-11-16 11:47:43,826 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 74 80) no Hoare annotation was computed. [2022-11-16 11:47:43,827 INFO L895 garLoopResultBuilder]: At program point L169(lines 164 172) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) [2022-11-16 11:47:43,827 INFO L899 garLoopResultBuilder]: For program point L103(lines 103 111) no Hoare annotation was computed. [2022-11-16 11:47:43,827 INFO L899 garLoopResultBuilder]: For program point L99(lines 99 116) no Hoare annotation was computed. [2022-11-16 11:47:43,827 INFO L899 garLoopResultBuilder]: For program point L380(line 380) no Hoare annotation was computed. [2022-11-16 11:47:43,827 INFO L899 garLoopResultBuilder]: For program point L302(lines 302 306) no Hoare annotation was computed. [2022-11-16 11:47:43,828 INFO L895 garLoopResultBuilder]: At program point L302-2(lines 298 309) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 11:47:43,830 INFO L899 garLoopResultBuilder]: For program point L810(lines 810 820) no Hoare annotation was computed. [2022-11-16 11:47:43,830 INFO L899 garLoopResultBuilder]: For program point L806(lines 806 823) no Hoare annotation was computed. [2022-11-16 11:47:43,831 INFO L895 garLoopResultBuilder]: At program point L806-1(lines 798 826) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 11:47:43,831 INFO L899 garLoopResultBuilder]: For program point L67-1(lines 66 85) no Hoare annotation was computed. [2022-11-16 11:47:43,831 INFO L895 garLoopResultBuilder]: At program point L381(lines 376 383) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 11:47:43,831 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 63 86) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-16 11:47:43,831 INFO L895 garLoopResultBuilder]: At program point L109(line 109) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 11:47:43,831 INFO L899 garLoopResultBuilder]: For program point L811(lines 811 817) no Hoare annotation was computed. [2022-11-16 11:47:43,832 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 63 86) no Hoare annotation was computed. [2022-11-16 11:47:43,832 INFO L895 garLoopResultBuilder]: At program point L105(line 105) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 11:47:43,832 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 380) no Hoare annotation was computed. [2022-11-16 11:47:43,832 INFO L895 garLoopResultBuilder]: At program point L101(line 101) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-16 11:47:43,832 INFO L899 garLoopResultBuilder]: For program point L101-1(line 101) no Hoare annotation was computed. [2022-11-16 11:47:43,832 INFO L899 garLoopResultBuilder]: For program point L258-1(lines 258 264) no Hoare annotation was computed. [2022-11-16 11:47:43,833 INFO L895 garLoopResultBuilder]: At program point L221(lines 209 223) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 11:47:43,833 INFO L895 garLoopResultBuilder]: At program point L795(lines 790 797) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-16 11:47:43,833 INFO L895 garLoopResultBuilder]: At program point L283(lines 238 285) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 11:47:43,833 INFO L895 garLoopResultBuilder]: At program point L250(line 250) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 11:47:43,833 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 219) no Hoare annotation was computed. [2022-11-16 11:47:43,833 INFO L899 garLoopResultBuilder]: For program point L213-1(lines 213 219) no Hoare annotation was computed. [2022-11-16 11:47:43,834 INFO L899 garLoopResultBuilder]: For program point L911(lines 911 918) no Hoare annotation was computed. [2022-11-16 11:47:43,834 INFO L899 garLoopResultBuilder]: For program point L911-2(lines 911 918) no Hoare annotation was computed. [2022-11-16 11:47:43,834 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-16 11:47:43,834 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-16 11:47:43,834 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-16 11:47:43,834 INFO L902 garLoopResultBuilder]: At program point L920(lines 901 923) the Hoare annotation is: true [2022-11-16 11:47:43,835 INFO L895 garLoopResultBuilder]: At program point L887(lines 883 889) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-16 11:47:43,835 INFO L895 garLoopResultBuilder]: At program point L784(lines 779 787) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-16 11:47:43,835 INFO L899 garLoopResultBuilder]: For program point L239(lines 238 285) no Hoare annotation was computed. [2022-11-16 11:47:43,835 INFO L899 garLoopResultBuilder]: For program point L268(lines 268 281) no Hoare annotation was computed. [2022-11-16 11:47:43,835 INFO L895 garLoopResultBuilder]: At program point L776(lines 772 778) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-16 11:47:43,835 INFO L895 garLoopResultBuilder]: At program point L260(line 260) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 11:47:43,836 INFO L902 garLoopResultBuilder]: At program point L289(lines 228 293) the Hoare annotation is: true [2022-11-16 11:47:43,836 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-16 11:47:43,836 INFO L899 garLoopResultBuilder]: For program point L248(lines 248 254) no Hoare annotation was computed. [2022-11-16 11:47:43,836 INFO L899 garLoopResultBuilder]: For program point L248-1(lines 248 254) no Hoare annotation was computed. [2022-11-16 11:47:43,836 INFO L895 garLoopResultBuilder]: At program point L215(line 215) the Hoare annotation is: false [2022-11-16 11:47:43,836 INFO L899 garLoopResultBuilder]: For program point L240(lines 240 244) no Hoare annotation was computed. [2022-11-16 11:47:43,837 INFO L895 garLoopResultBuilder]: At program point L769(lines 765 771) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-16 11:47:43,837 INFO L895 garLoopResultBuilder]: At program point L286(lines 237 287) the Hoare annotation is: false [2022-11-16 11:47:43,837 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 280) no Hoare annotation was computed. [2022-11-16 11:47:43,837 INFO L895 garLoopResultBuilder]: At program point L274-2(lines 268 281) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-16 11:47:43,837 INFO L899 garLoopResultBuilder]: For program point L258(lines 258 264) no Hoare annotation was computed. [2022-11-16 11:47:43,837 INFO L902 garLoopResultBuilder]: At program point L898(lines 890 900) the Hoare annotation is: true [2022-11-16 11:47:43,837 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 310 321) no Hoare annotation was computed. [2022-11-16 11:47:43,838 INFO L899 garLoopResultBuilder]: For program point L314-1(lines 310 321) no Hoare annotation was computed. [2022-11-16 11:47:43,838 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 310 321) the Hoare annotation is: true [2022-11-16 11:47:43,838 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 87 93) no Hoare annotation was computed. [2022-11-16 11:47:43,838 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 87 93) the Hoare annotation is: true [2022-11-16 11:47:43,838 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 153 163) the Hoare annotation is: true [2022-11-16 11:47:43,838 INFO L902 garLoopResultBuilder]: At program point L158(line 158) the Hoare annotation is: true [2022-11-16 11:47:43,839 INFO L899 garLoopResultBuilder]: For program point L158-1(line 158) no Hoare annotation was computed. [2022-11-16 11:47:43,839 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 153 163) no Hoare annotation was computed. [2022-11-16 11:47:43,839 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 153 163) no Hoare annotation was computed. [2022-11-16 11:47:43,848 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-16 11:47:43,851 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-16 11:47:43,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 11:47:43 BoogieIcfgContainer [2022-11-16 11:47:43,873 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-16 11:47:43,873 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 11:47:43,873 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 11:47:43,874 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 11:47:43,874 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 11:47:41" (3/4) ... [2022-11-16 11:47:43,878 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-16 11:47:43,885 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-16 11:47:43,885 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-16 11:47:43,885 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-16 11:47:43,885 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-16 11:47:43,886 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-16 11:47:43,886 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-16 11:47:43,886 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-16 11:47:43,887 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-16 11:47:43,904 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 46 nodes and edges [2022-11-16 11:47:43,905 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-16 11:47:43,906 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-16 11:47:43,906 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-16 11:47:43,907 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-16 11:47:43,907 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:47:43,908 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-16 11:47:43,939 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-16 11:47:43,941 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-16 11:47:43,943 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-16 11:47:43,944 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) [2022-11-16 11:47:43,944 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-16 11:47:43,985 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc86e1-48e6-4a03-94fa-a6b2f9ddd477/bin/uautomizer-tPACEb0tL8/witness.graphml [2022-11-16 11:47:43,985 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 11:47:43,986 INFO L158 Benchmark]: Toolchain (without parser) took 3271.61ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 65.3MB in the beginning and 70.0MB in the end (delta: -4.7MB). Peak memory consumption was 19.4MB. Max. memory is 16.1GB. [2022-11-16 11:47:43,987 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 11:47:43,987 INFO L158 Benchmark]: CACSL2BoogieTranslator took 531.12ms. Allocated memory is still 109.1MB. Free memory was 65.1MB in the beginning and 75.4MB in the end (delta: -10.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. [2022-11-16 11:47:43,988 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.39ms. Allocated memory is still 109.1MB. Free memory was 75.4MB in the beginning and 73.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:47:43,988 INFO L158 Benchmark]: Boogie Preprocessor took 33.66ms. Allocated memory is still 109.1MB. Free memory was 73.2MB in the beginning and 71.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-16 11:47:43,988 INFO L158 Benchmark]: RCFGBuilder took 588.97ms. Allocated memory is still 109.1MB. Free memory was 71.5MB in the beginning and 53.8MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-16 11:47:43,989 INFO L158 Benchmark]: TraceAbstraction took 1938.59ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 53.2MB in the beginning and 75.4MB in the end (delta: -22.2MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. [2022-11-16 11:47:43,989 INFO L158 Benchmark]: Witness Printer took 112.15ms. Allocated memory is still 132.1MB. Free memory was 75.0MB in the beginning and 70.0MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-16 11:47:43,994 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 109.1MB. Free memory is still 82.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 531.12ms. Allocated memory is still 109.1MB. Free memory was 65.1MB in the beginning and 75.4MB in the end (delta: -10.3MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.39ms. Allocated memory is still 109.1MB. Free memory was 75.4MB in the beginning and 73.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.66ms. Allocated memory is still 109.1MB. Free memory was 73.2MB in the beginning and 71.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 588.97ms. Allocated memory is still 109.1MB. Free memory was 71.5MB in the beginning and 53.8MB in the end (delta: 17.8MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * TraceAbstraction took 1938.59ms. Allocated memory was 109.1MB in the beginning and 132.1MB in the end (delta: 23.1MB). Free memory was 53.2MB in the beginning and 75.4MB in the end (delta: -22.2MB). Peak memory consumption was 2.2MB. Max. memory is 16.1GB. * Witness Printer took 112.15ms. Allocated memory is still 132.1MB. Free memory was 75.0MB in the beginning and 70.0MB in the end (delta: 5.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 380]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 85 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 120 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 116 mSDsluCounter, 583 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 236 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 347 mSDtfsCounter, 19 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=122occurred 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: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 38 LocationsWithAnnotation, 190 PreInvPairs, 215 NumberOfFragments, 159 HoareAnnotationTreeSize, 190 FomulaSimplifications, 11 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 38 FomulaSimplificationsInter, 272 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 111 ConstructedInterpolants, 0 QuantifiedInterpolants, 207 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: 228]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 209]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 95]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 790]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 901]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 883]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 798]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 298]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 164]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) - InvariantResult [Line: 238]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 765]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 772]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 376]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 779]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 237]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-16 11:47:44,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_20fc86e1-48e6-4a03-94fa-a6b2f9ddd477/bin/uautomizer-tPACEb0tL8/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