./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba75bb-fc3a-481f-a872-a8f758dda64e/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba75bb-fc3a-481f-a872-a8f758dda64e/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba75bb-fc3a-481f-a872-a8f758dda64e/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba75bb-fc3a-481f-a872-a8f758dda64e/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba75bb-fc3a-481f-a872-a8f758dda64e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba75bb-fc3a-481f-a872-a8f758dda64e/bin/ukojak-92XMlrwhuB --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd1c1c796b8250cbf231dbc704ae45a744144aa0430ce583780a644c1bb59bd9 --- 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-dbf71c6-m [2022-10-17 16:41:37,545 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:41:37,548 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:41:37,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:41:37,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:41:37,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:41:37,611 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:41:37,616 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:41:37,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:41:37,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:41:37,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:41:37,631 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:41:37,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:41:37,634 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:41:37,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:41:37,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:41:37,641 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:41:37,642 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:41:37,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:41:37,652 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:41:37,654 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:41:37,656 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:41:37,660 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:41:37,661 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:41:37,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:41:37,671 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:41:37,672 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:41:37,674 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:41:37,675 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:41:37,676 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:41:37,676 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:41:37,690 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:41:37,692 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:41:37,693 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:41:37,696 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:41:37,696 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:41:37,697 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:41:37,697 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:41:37,698 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:41:37,699 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:41:37,700 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:41:37,702 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba75bb-fc3a-481f-a872-a8f758dda64e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:41:37,751 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:41:37,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:41:37,752 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:41:37,752 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:41:37,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:41:37,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:41:37,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:41:37,753 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:41:37,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:41:37,753 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:41:37,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:41:37,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:41:37,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:41:37,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:41:37,754 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:41:37,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:41:37,755 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:41:37,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:41:37,757 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:41:37,757 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:41:37,757 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:41:37,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:37,757 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:41:37,758 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:41:37,758 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:41:37,758 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:41:37,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:41:37,759 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:41:37,759 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_15ba75bb-fc3a-481f-a872-a8f758dda64e/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba75bb-fc3a-481f-a872-a8f758dda64e/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> fd1c1c796b8250cbf231dbc704ae45a744144aa0430ce583780a644c1bb59bd9 [2022-10-17 16:41:38,041 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:41:38,070 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:41:38,073 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:41:38,074 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:41:38,075 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:41:38,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba75bb-fc3a-481f-a872-a8f758dda64e/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2022-10-17 16:41:38,157 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba75bb-fc3a-481f-a872-a8f758dda64e/bin/ukojak-92XMlrwhuB/data/4c1a23001/69b7743f5aa84b13b45c8c1cc37495fc/FLAG6a3b712d7 [2022-10-17 16:41:38,746 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:41:38,747 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba75bb-fc3a-481f-a872-a8f758dda64e/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c [2022-10-17 16:41:38,762 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba75bb-fc3a-481f-a872-a8f758dda64e/bin/ukojak-92XMlrwhuB/data/4c1a23001/69b7743f5aa84b13b45c8c1cc37495fc/FLAG6a3b712d7 [2022-10-17 16:41:39,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba75bb-fc3a-481f-a872-a8f758dda64e/bin/ukojak-92XMlrwhuB/data/4c1a23001/69b7743f5aa84b13b45c8c1cc37495fc [2022-10-17 16:41:39,022 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:41:39,023 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:41:39,025 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:39,025 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:41:39,029 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:41:39,029 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,031 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@390ef1e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39, skipping insertion in model container [2022-10-17 16:41:39,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,038 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:41:39,092 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:41:39,432 WARN L230 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_15ba75bb-fc3a-481f-a872-a8f758dda64e/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c[16447,16460] [2022-10-17 16:41:39,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:39,455 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:41:39,589 WARN L230 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_15ba75bb-fc3a-481f-a872-a8f758dda64e/sv-benchmarks/c/product-lines/minepump_spec2_product06.cil.c[16447,16460] [2022-10-17 16:41:39,594 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:41:39,615 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:41:39,616 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39 WrapperNode [2022-10-17 16:41:39,616 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:41:39,617 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:39,618 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:41:39,618 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:41:39,626 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,697 INFO L138 Inliner]: procedures = 52, calls = 150, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 212 [2022-10-17 16:41:39,697 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:41:39,698 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:41:39,698 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:41:39,699 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:41:39,707 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,719 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,728 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,733 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,752 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,754 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:41:39,757 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:41:39,757 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:41:39,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:41:39,765 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:41:39" (1/1) ... [2022-10-17 16:41:39,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:41:39,780 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba75bb-fc3a-481f-a872-a8f758dda64e/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:41:39,793 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba75bb-fc3a-481f-a872-a8f758dda64e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:41:39,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba75bb-fc3a-481f-a872-a8f758dda64e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:41:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:41:39,846 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-10-17 16:41:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-10-17 16:41:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-10-17 16:41:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-10-17 16:41:39,848 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-10-17 16:41:39,848 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-10-17 16:41:39,849 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-10-17 16:41:39,849 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-10-17 16:41:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-10-17 16:41:39,850 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-10-17 16:41:39,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:41:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-10-17 16:41:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-10-17 16:41:39,855 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:41:39,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:41:39,974 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:41:39,977 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:41:40,450 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:41:40,604 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:41:40,604 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-10-17 16:41:40,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:40 BoogieIcfgContainer [2022-10-17 16:41:40,607 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:41:40,608 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:41:40,609 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:41:40,620 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:41:40,620 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:40" (1/1) ... [2022-10-17 16:41:40,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:41:40,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:40,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 51 states and 67 transitions. [2022-10-17 16:41:40,727 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2022-10-17 16:41:40,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2022-10-17 16:41:40,733 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:40,733 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:40,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:41,014 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:41,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:41,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 51 states and 65 transitions. [2022-10-17 16:41:41,055 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 65 transitions. [2022-10-17 16:41:41,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-10-17 16:41:41,061 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:41,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:41,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:41,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:41,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:41,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 53 states and 68 transitions. [2022-10-17 16:41:41,255 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 68 transitions. [2022-10-17 16:41:41,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2022-10-17 16:41:41,256 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:41,256 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:41,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:41,618 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:41,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:41,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 62 states and 85 transitions. [2022-10-17 16:41:41,784 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 85 transitions. [2022-10-17 16:41:41,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:41:41,787 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:41,787 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:41,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:41,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:42,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:42,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 76 states and 114 transitions. [2022-10-17 16:41:42,431 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 114 transitions. [2022-10-17 16:41:42,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-10-17 16:41:42,438 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:42,438 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:42,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:43,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:43,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 91 states and 148 transitions. [2022-10-17 16:41:43,590 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 148 transitions. [2022-10-17 16:41:43,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-10-17 16:41:43,592 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:43,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:43,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:43,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:43,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 100 states and 167 transitions. [2022-10-17 16:41:43,771 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 167 transitions. [2022-10-17 16:41:43,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-10-17 16:41:43,774 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:43,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:43,931 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:44,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:44,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 102 states and 169 transitions. [2022-10-17 16:41:44,017 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 169 transitions. [2022-10-17 16:41:44,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2022-10-17 16:41:44,020 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:44,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:44,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:44,106 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:41:44,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:44,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 107 states and 179 transitions. [2022-10-17 16:41:44,253 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 179 transitions. [2022-10-17 16:41:44,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:41:44,254 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:44,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:44,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:44,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:44,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:44,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 109 states and 181 transitions. [2022-10-17 16:41:44,401 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 181 transitions. [2022-10-17 16:41:44,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-10-17 16:41:44,403 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:44,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:44,476 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:41:44,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:44,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 115 states and 190 transitions. [2022-10-17 16:41:44,532 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 190 transitions. [2022-10-17 16:41:44,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2022-10-17 16:41:44,533 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:44,533 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:44,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:44,589 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:41:44,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:44,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 116 states and 191 transitions. [2022-10-17 16:41:44,611 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 191 transitions. [2022-10-17 16:41:44,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-10-17 16:41:44,612 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:44,613 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:44,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:44,664 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:41:44,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:44,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 117 states and 193 transitions. [2022-10-17 16:41:44,798 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 193 transitions. [2022-10-17 16:41:44,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-10-17 16:41:44,799 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:44,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:44,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:45,130 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 8 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:41:45,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:45,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 120 states and 201 transitions. [2022-10-17 16:41:45,740 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 201 transitions. [2022-10-17 16:41:45,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2022-10-17 16:41:45,741 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:45,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:45,801 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:41:46,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:46,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 126 states and 216 transitions. [2022-10-17 16:41:46,205 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 216 transitions. [2022-10-17 16:41:46,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2022-10-17 16:41:46,207 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:46,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:46,367 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:41:46,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:46,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 134 states and 229 transitions. [2022-10-17 16:41:46,992 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 229 transitions. [2022-10-17 16:41:46,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2022-10-17 16:41:46,993 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:46,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:47,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:47,094 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:41:47,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:47,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 135 states and 230 transitions. [2022-10-17 16:41:47,219 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 230 transitions. [2022-10-17 16:41:47,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2022-10-17 16:41:47,220 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:47,221 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:47,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:47,263 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:41:47,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:47,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 137 states and 234 transitions. [2022-10-17 16:41:47,311 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 234 transitions. [2022-10-17 16:41:47,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2022-10-17 16:41:47,312 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:47,313 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:47,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:47,356 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:41:47,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:47,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 138 states and 235 transitions. [2022-10-17 16:41:47,378 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 235 transitions. [2022-10-17 16:41:47,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2022-10-17 16:41:47,379 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:47,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:47,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:47,427 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:41:47,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:47,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 140 states and 239 transitions. [2022-10-17 16:41:47,631 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 239 transitions. [2022-10-17 16:41:47,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2022-10-17 16:41:47,633 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:47,633 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:47,796 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2022-10-17 16:41:49,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:49,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 154 states and 266 transitions. [2022-10-17 16:41:49,192 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 266 transitions. [2022-10-17 16:41:49,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2022-10-17 16:41:49,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:49,194 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:49,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:49,286 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2022-10-17 16:41:50,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:50,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 161 states and 283 transitions. [2022-10-17 16:41:50,371 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 283 transitions. [2022-10-17 16:41:50,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2022-10-17 16:41:50,373 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:50,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:50,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:50,606 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:41:51,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:51,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 169 states and 296 transitions. [2022-10-17 16:41:51,483 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 296 transitions. [2022-10-17 16:41:51,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:41:51,488 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:51,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:51,625 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 25 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2022-10-17 16:41:51,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:51,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 170 states and 297 transitions. [2022-10-17 16:41:51,660 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 297 transitions. [2022-10-17 16:41:51,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2022-10-17 16:41:51,662 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:51,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:51,710 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-17 16:41:51,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:51,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 173 states and 302 transitions. [2022-10-17 16:41:51,742 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 302 transitions. [2022-10-17 16:41:51,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2022-10-17 16:41:51,743 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:51,744 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:51,796 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2022-10-17 16:41:51,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:51,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 311 states to 174 states and 303 transitions. [2022-10-17 16:41:51,837 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 303 transitions. [2022-10-17 16:41:51,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2022-10-17 16:41:51,839 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:41:51,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:41:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:41:51,933 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2022-10-17 16:41:51,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:41:51,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 57 states and 68 transitions. [2022-10-17 16:41:51,977 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 68 transitions. [2022-10-17 16:41:51,978 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-10-17 16:41:51,978 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2022-10-17 16:41:51,990 INFO L754 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2022-10-17 16:41:52,225 INFO L560 CodeCheckObserver]: Invariant with dag size 9 [2022-10-17 16:41:52,233 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:41:52,233 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:41:52,233 INFO L560 CodeCheckObserver]: Invariant with dag size 11 [2022-10-17 16:41:52,235 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:41:52,236 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:41:52,236 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:41:52,239 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:41:52,240 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:41:52,240 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:41:52,240 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:41:52,240 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:41:52,240 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:41:52,240 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:41:52,241 INFO L560 CodeCheckObserver]: Invariant with dag size 7 [2022-10-17 16:41:52,242 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2022-10-17 16:41:52,247 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:41:52 ImpRootNode [2022-10-17 16:41:52,248 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:41:52,248 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:41:52,249 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:41:52,249 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:41:52,249 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:41:40" (3/4) ... [2022-10-17 16:41:52,252 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-10-17 16:41:52,258 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-10-17 16:41:52,258 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-10-17 16:41:52,258 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-10-17 16:41:52,258 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-10-17 16:41:52,258 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-10-17 16:41:52,259 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-10-17 16:41:52,272 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2022-10-17 16:41:52,274 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2022-10-17 16:41:52,274 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-10-17 16:41:52,275 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-10-17 16:41:52,275 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-10-17 16:41:52,276 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:41:52,276 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-10-17 16:41:52,307 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive [2022-10-17 16:41:52,365 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba75bb-fc3a-481f-a872-a8f758dda64e/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:41:52,366 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:41:52,366 INFO L158 Benchmark]: Toolchain (without parser) took 13342.99ms. Allocated memory was 86.0MB in the beginning and 182.5MB in the end (delta: 96.5MB). Free memory was 57.4MB in the beginning and 111.4MB in the end (delta: -54.0MB). Peak memory consumption was 42.7MB. Max. memory is 16.1GB. [2022-10-17 16:41:52,367 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 86.0MB. Free memory was 55.6MB in the beginning and 55.6MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:41:52,368 INFO L158 Benchmark]: CACSL2BoogieTranslator took 591.83ms. Allocated memory is still 86.0MB. Free memory was 57.2MB in the beginning and 51.9MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:41:52,368 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.09ms. Allocated memory is still 86.0MB. Free memory was 51.9MB in the beginning and 49.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:41:52,368 INFO L158 Benchmark]: Boogie Preprocessor took 58.22ms. Allocated memory is still 86.0MB. Free memory was 49.7MB in the beginning and 48.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:41:52,370 INFO L158 Benchmark]: RCFGBuilder took 850.45ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 48.0MB in the beginning and 86.2MB in the end (delta: -38.1MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. [2022-10-17 16:41:52,370 INFO L158 Benchmark]: CodeCheck took 11639.22ms. Allocated memory was 113.2MB in the beginning and 182.5MB in the end (delta: 69.2MB). Free memory was 86.2MB in the beginning and 115.5MB in the end (delta: -29.3MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. [2022-10-17 16:41:52,371 INFO L158 Benchmark]: Witness Printer took 117.61ms. Allocated memory is still 182.5MB. Free memory was 115.5MB in the beginning and 111.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:41:52,373 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 7 procedures, 51 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.3s, OverallIterations: 27, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6207 SdHoareTripleChecker+Valid, 14.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2901 mSDsluCounter, 7089 SdHoareTripleChecker+Invalid, 12.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5297 mSDsCounter, 3228 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8972 IncrementalHoareTripleChecker+Invalid, 12200 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3228 mSolverCounterUnsat, 2206 mSDtfsCounter, 8972 mSolverCounterSat, 0.4s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 10035 GetRequests, 9835 SyntacticMatches, 4 SemanticMatches, 196 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15698 ImplicationChecksByTransitivity, 6.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1032 NumberOfCodeBlocks, 1032 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 1006 ConstructedInterpolants, 0 QuantifiedInterpolants, 1919 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 21 PerfectInterpolantSequences, 319/342 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 800]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 171]: Loop Invariant Derived loop invariant: (pumpRunning == \old(pumpRunning) || !(pumpRunning == 0)) || 0 == systemActive - InvariantResult [Line: 102]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 806]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: ((tmp == 1 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == systemActive - InvariantResult [Line: 93]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 103]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 211]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 816]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 800]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 408]: Loop Invariant Derived loop invariant: !(tmp == 0) || tmp == methaneLevelCritical - InvariantResult [Line: 888]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 86.0MB. Free memory was 55.6MB in the beginning and 55.6MB in the end (delta: 43.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 591.83ms. Allocated memory is still 86.0MB. Free memory was 57.2MB in the beginning and 51.9MB in the end (delta: 5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.09ms. Allocated memory is still 86.0MB. Free memory was 51.9MB in the beginning and 49.7MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.22ms. Allocated memory is still 86.0MB. Free memory was 49.7MB in the beginning and 48.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 850.45ms. Allocated memory was 86.0MB in the beginning and 113.2MB in the end (delta: 27.3MB). Free memory was 48.0MB in the beginning and 86.2MB in the end (delta: -38.1MB). Peak memory consumption was 28.5MB. Max. memory is 16.1GB. * CodeCheck took 11639.22ms. Allocated memory was 113.2MB in the beginning and 182.5MB in the end (delta: 69.2MB). Free memory was 86.2MB in the beginning and 115.5MB in the end (delta: -29.3MB). Peak memory consumption was 40.9MB. Max. memory is 16.1GB. * Witness Printer took 117.61ms. Allocated memory is still 182.5MB. Free memory was 115.5MB in the beginning and 111.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2022-10-17 16:41:52,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15ba75bb-fc3a-481f-a872-a8f758dda64e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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