./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e6b85d-3f9e-4a8f-9a74-1185816957bd/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e6b85d-3f9e-4a8f-9a74-1185816957bd/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e6b85d-3f9e-4a8f-9a74-1185816957bd/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e6b85d-3f9e-4a8f-9a74-1185816957bd/bin/uautomizer-ug76WZFUDN/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e6b85d-3f9e-4a8f-9a74-1185816957bd/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e6b85d-3f9e-4a8f-9a74-1185816957bd/bin/uautomizer-ug76WZFUDN --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 b3a4aa0a64a11d3b7b81c5ee8a5dcc493ccc0b2960eb3b0afebe24ff9bf9af68 --- 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-6b4ec56 [2022-11-20 09:29:55,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:29:55,561 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:29:55,586 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:29:55,586 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:29:55,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:29:55,595 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:29:55,599 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:29:55,601 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:29:55,608 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:29:55,609 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:29:55,612 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:29:55,612 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:29:55,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:29:55,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:29:55,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:29:55,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:29:55,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:29:55,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:29:55,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:29:55,630 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:29:55,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:29:55,634 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:29:55,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:29:55,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:29:55,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:29:55,645 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:29:55,646 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:29:55,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:29:55,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:29:55,650 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:29:55,651 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:29:55,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:29:55,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:29:55,655 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:29:55,655 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:29:55,656 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:29:55,656 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:29:55,656 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:29:55,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:29:55,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:29:55,660 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e6b85d-3f9e-4a8f-9a74-1185816957bd/bin/uautomizer-ug76WZFUDN/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-20 09:29:55,689 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:29:55,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:29:55,691 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:29:55,691 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:29:55,691 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-20 09:29:55,691 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-20 09:29:55,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:29:55,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:29:55,692 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:29:55,693 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:29:55,693 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-20 09:29:55,693 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:29:55,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-20 09:29:55,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:29:55,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-20 09:29:55,694 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-20 09:29:55,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-20 09:29:55,694 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-20 09:29:55,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:29:55,694 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:29:55,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-20 09:29:55,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:29:55,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:29:55,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-20 09:29:55,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:29:55,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:29:55,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-20 09:29:55,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-20 09:29:55,696 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:29:55,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-20 09:29:55,696 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-20 09:29:55,697 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-20 09:29:55,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-20 09:29:55,697 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_85e6b85d-3f9e-4a8f-9a74-1185816957bd/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e6b85d-3f9e-4a8f-9a74-1185816957bd/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b3a4aa0a64a11d3b7b81c5ee8a5dcc493ccc0b2960eb3b0afebe24ff9bf9af68 [2022-11-20 09:29:56,000 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:29:56,034 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:29:56,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:29:56,038 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:29:56,038 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:29:56,039 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e6b85d-3f9e-4a8f-9a74-1185816957bd/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2022-11-20 09:29:59,124 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:29:59,383 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:29:59,383 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e6b85d-3f9e-4a8f-9a74-1185816957bd/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c [2022-11-20 09:29:59,397 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e6b85d-3f9e-4a8f-9a74-1185816957bd/bin/uautomizer-ug76WZFUDN/data/85ae1ab79/595fb12f79764cfabaeee6a9a40918bb/FLAG6ed8b5a57 [2022-11-20 09:29:59,413 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e6b85d-3f9e-4a8f-9a74-1185816957bd/bin/uautomizer-ug76WZFUDN/data/85ae1ab79/595fb12f79764cfabaeee6a9a40918bb [2022-11-20 09:29:59,416 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:29:59,417 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:29:59,418 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:29:59,419 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:29:59,424 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:29:59,425 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:29:59" (1/1) ... [2022-11-20 09:29:59,426 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3deb12f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:59, skipping insertion in model container [2022-11-20 09:29:59,426 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:29:59" (1/1) ... [2022-11-20 09:29:59,434 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:29:59,480 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:29:59,721 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e6b85d-3f9e-4a8f-9a74-1185816957bd/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c[4901,4914] [2022-11-20 09:29:59,814 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:29:59,833 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:29:59,855 WARN L237 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e6b85d-3f9e-4a8f-9a74-1185816957bd/sv-benchmarks/c/product-lines/minepump_spec1_product15.cil.c[4901,4914] [2022-11-20 09:29:59,915 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:29:59,937 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:29:59,938 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:59 WrapperNode [2022-11-20 09:29:59,938 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:29:59,939 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:29:59,939 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:29:59,940 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:29:59,948 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:59" (1/1) ... [2022-11-20 09:29:59,968 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:59" (1/1) ... [2022-11-20 09:29:59,994 INFO L138 Inliner]: procedures = 52, calls = 96, calls flagged for inlining = 18, calls inlined = 14, statements flattened = 139 [2022-11-20 09:29:59,998 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:29:59,999 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:29:59,999 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:29:59,999 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:30:00,009 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:59" (1/1) ... [2022-11-20 09:30:00,009 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:59" (1/1) ... [2022-11-20 09:30:00,027 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:59" (1/1) ... [2022-11-20 09:30:00,027 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:59" (1/1) ... [2022-11-20 09:30:00,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:59" (1/1) ... [2022-11-20 09:30:00,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:59" (1/1) ... [2022-11-20 09:30:00,056 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:59" (1/1) ... [2022-11-20 09:30:00,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:59" (1/1) ... [2022-11-20 09:30:00,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:30:00,060 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:30:00,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:30:00,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:30:00,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:59" (1/1) ... [2022-11-20 09:30:00,069 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-20 09:30:00,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e6b85d-3f9e-4a8f-9a74-1185816957bd/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:30:00,106 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e6b85d-3f9e-4a8f-9a74-1185816957bd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-20 09:30:00,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e6b85d-3f9e-4a8f-9a74-1185816957bd/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-20 09:30:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-20 09:30:00,151 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-20 09:30:00,151 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-20 09:30:00,152 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-20 09:30:00,152 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-20 09:30:00,152 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-20 09:30:00,152 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-20 09:30:00,154 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-20 09:30:00,155 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-20 09:30:00,155 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-20 09:30:00,156 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-20 09:30:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-20 09:30:00,156 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-20 09:30:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-20 09:30:00,156 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-20 09:30:00,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-20 09:30:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-20 09:30:00,157 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-20 09:30:00,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:30:00,157 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:30:00,289 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:30:00,294 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:30:00,616 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:30:00,623 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:30:00,623 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-20 09:30:00,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:00 BoogieIcfgContainer [2022-11-20 09:30:00,625 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:30:00,628 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-20 09:30:00,628 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-20 09:30:00,632 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-20 09:30:00,632 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 09:29:59" (1/3) ... [2022-11-20 09:30:00,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cd0667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:30:00, skipping insertion in model container [2022-11-20 09:30:00,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:29:59" (2/3) ... [2022-11-20 09:30:00,633 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@77cd0667 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 09:30:00, skipping insertion in model container [2022-11-20 09:30:00,633 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:00" (3/3) ... [2022-11-20 09:30:00,635 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product15.cil.c [2022-11-20 09:30:00,656 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-20 09:30:00,656 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-20 09:30:00,711 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-20 09:30:00,718 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;@3caa249a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-20 09:30:00,718 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-20 09:30:00,723 INFO L276 IsEmpty]: Start isEmpty. Operand has 83 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 67 states have internal predecessors, (82), 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) [2022-11-20 09:30:00,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2022-11-20 09:30:00,733 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:00,734 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] [2022-11-20 09:30:00,735 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:30:00,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:00,747 INFO L85 PathProgramCache]: Analyzing trace with hash -2051400657, now seen corresponding path program 1 times [2022-11-20 09:30:00,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:00,758 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [678074792] [2022-11-20 09:30:00,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:00,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:00,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-20 09:30:00,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:00,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:30:00,974 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:00,974 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [678074792] [2022-11-20 09:30:00,975 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [678074792] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:00,975 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:00,975 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 09:30:00,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954939113] [2022-11-20 09:30:00,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:00,982 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-20 09:30:00,983 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:01,024 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-20 09:30:01,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-20 09:30:01,027 INFO L87 Difference]: Start difference. First operand has 83 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 67 states have internal predecessors, (82), 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 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2022-11-20 09:30:01,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:01,078 INFO L93 Difference]: Finished difference Result 158 states and 211 transitions. [2022-11-20 09:30:01,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-20 09:30:01,081 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2022-11-20 09:30:01,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:01,093 INFO L225 Difference]: With dead ends: 158 [2022-11-20 09:30:01,093 INFO L226 Difference]: Without dead ends: 74 [2022-11-20 09:30:01,098 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 [2022-11-20 09:30:01,104 INFO L413 NwaCegarLoop]: 102 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, 102 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 [2022-11-20 09:30:01,106 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:30:01,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2022-11-20 09:30:01,154 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 74. [2022-11-20 09:30:01,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 53 states have (on average 1.2830188679245282) internal successors, (68), 59 states have internal predecessors, (68), 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) [2022-11-20 09:30:01,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 93 transitions. [2022-11-20 09:30:01,160 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 93 transitions. Word has length 23 [2022-11-20 09:30:01,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:01,160 INFO L495 AbstractCegarLoop]: Abstraction has 74 states and 93 transitions. [2022-11-20 09:30:01,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2022-11-20 09:30:01,161 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 93 transitions. [2022-11-20 09:30:01,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2022-11-20 09:30:01,163 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:01,164 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] [2022-11-20 09:30:01,164 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-20 09:30:01,164 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:30:01,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:01,166 INFO L85 PathProgramCache]: Analyzing trace with hash -652927410, now seen corresponding path program 1 times [2022-11-20 09:30:01,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:01,166 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1063982060] [2022-11-20 09:30:01,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:01,167 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:01,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:01,344 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-20 09:30:01,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:01,350 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:30:01,350 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:01,350 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1063982060] [2022-11-20 09:30:01,351 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1063982060] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:01,351 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:01,351 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-20 09:30:01,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634089835] [2022-11-20 09:30:01,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:01,353 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-20 09:30:01,353 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:01,354 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 09:30:01,354 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 09:30:01,354 INFO L87 Difference]: Start difference. First operand 74 states and 93 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-20 09:30:01,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:01,387 INFO L93 Difference]: Finished difference Result 110 states and 136 transitions. [2022-11-20 09:30:01,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 09:30:01,395 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 24 [2022-11-20 09:30:01,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:01,400 INFO L225 Difference]: With dead ends: 110 [2022-11-20 09:30:01,400 INFO L226 Difference]: Without dead ends: 65 [2022-11-20 09:30:01,404 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 [2022-11-20 09:30:01,406 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 16 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 139 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 [2022-11-20 09:30:01,406 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 139 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:30:01,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 65 states. [2022-11-20 09:30:01,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 65 to 65. [2022-11-20 09:30:01,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 47 states have (on average 1.297872340425532) internal successors, (61), 53 states have internal predecessors, (61), 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) [2022-11-20 09:30:01,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 81 transitions. [2022-11-20 09:30:01,416 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 81 transitions. Word has length 24 [2022-11-20 09:30:01,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:01,416 INFO L495 AbstractCegarLoop]: Abstraction has 65 states and 81 transitions. [2022-11-20 09:30:01,416 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2022-11-20 09:30:01,417 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 81 transitions. [2022-11-20 09:30:01,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-20 09:30:01,418 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:01,418 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] [2022-11-20 09:30:01,418 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-20 09:30:01,419 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:30:01,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:01,419 INFO L85 PathProgramCache]: Analyzing trace with hash 602617883, now seen corresponding path program 1 times [2022-11-20 09:30:01,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:01,420 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [604413248] [2022-11-20 09:30:01,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:01,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:01,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:01,643 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 09:30:01,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:01,647 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:30:01,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:01,648 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [604413248] [2022-11-20 09:30:01,648 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [604413248] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:01,649 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:01,649 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-20 09:30:01,649 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [881200553] [2022-11-20 09:30:01,649 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:01,650 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-20 09:30:01,650 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:01,650 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-20 09:30:01,651 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-20 09:30:01,651 INFO L87 Difference]: Start difference. First operand 65 states and 81 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2022-11-20 09:30:01,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:01,903 INFO L93 Difference]: Finished difference Result 222 states and 284 transitions. [2022-11-20 09:30:01,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-20 09:30:01,904 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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 28 [2022-11-20 09:30:01,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:01,906 INFO L225 Difference]: With dead ends: 222 [2022-11-20 09:30:01,907 INFO L226 Difference]: Without dead ends: 164 [2022-11-20 09:30:01,908 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-20 09:30:01,909 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 169 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 169 SdHoareTripleChecker+Valid, 419 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-20 09:30:01,910 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [169 Valid, 419 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-20 09:30:01,911 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2022-11-20 09:30:01,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 158. [2022-11-20 09:30:01,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 113 states have (on average 1.336283185840708) internal successors, (151), 127 states have internal predecessors, (151), 25 states have call successors, (25), 19 states have call predecessors, (25), 19 states have return successors, (26), 19 states have call predecessors, (26), 25 states have call successors, (26) [2022-11-20 09:30:01,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 202 transitions. [2022-11-20 09:30:01,940 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 202 transitions. Word has length 28 [2022-11-20 09:30:01,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:01,941 INFO L495 AbstractCegarLoop]: Abstraction has 158 states and 202 transitions. [2022-11-20 09:30:01,941 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 6 states have internal predecessors, (25), 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) [2022-11-20 09:30:01,941 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 202 transitions. [2022-11-20 09:30:01,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2022-11-20 09:30:01,943 INFO L187 NwaCegarLoop]: Found error trace [2022-11-20 09:30:01,943 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] [2022-11-20 09:30:01,944 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-20 09:30:01,944 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-20 09:30:01,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:30:01,945 INFO L85 PathProgramCache]: Analyzing trace with hash -1489211097, now seen corresponding path program 1 times [2022-11-20 09:30:01,945 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:30:01,945 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1894779348] [2022-11-20 09:30:01,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:30:01,946 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:30:01,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:02,155 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2022-11-20 09:30:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:02,159 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-20 09:30:02,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:30:02,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 09:30:02,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 09:30:02,164 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1894779348] [2022-11-20 09:30:02,164 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1894779348] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 09:30:02,165 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 09:30:02,165 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-20 09:30:02,165 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208381016] [2022-11-20 09:30:02,165 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 09:30:02,166 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-20 09:30:02,166 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 09:30:02,168 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-20 09:30:02,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-20 09:30:02,176 INFO L87 Difference]: Start difference. First operand 158 states and 202 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 09:30:02,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 09:30:02,258 INFO L93 Difference]: Finished difference Result 278 states and 361 transitions. [2022-11-20 09:30:02,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-20 09:30:02,265 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2022-11-20 09:30:02,266 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-20 09:30:02,266 INFO L225 Difference]: With dead ends: 278 [2022-11-20 09:30:02,266 INFO L226 Difference]: Without dead ends: 0 [2022-11-20 09:30:02,269 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2022-11-20 09:30:02,270 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 38 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 151 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 [2022-11-20 09:30:02,270 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 151 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-20 09:30:02,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-20 09:30:02,271 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-20 09:30:02,272 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) [2022-11-20 09:30:02,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-20 09:30:02,272 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2022-11-20 09:30:02,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-20 09:30:02,273 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:30:02,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-20 09:30:02,273 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-20 09:30:02,273 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-20 09:30:02,276 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-20 09:30:02,277 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-20 09:30:02,279 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-20 09:30:02,761 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 398 405) the Hoare annotation is: true [2022-11-20 09:30:02,762 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 398 405) no Hoare annotation was computed. [2022-11-20 09:30:02,762 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 398 405) no Hoare annotation was computed. [2022-11-20 09:30:02,762 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 184 195) the Hoare annotation is: true [2022-11-20 09:30:02,762 INFO L899 garLoopResultBuilder]: For program point L188-1(lines 184 195) no Hoare annotation was computed. [2022-11-20 09:30:02,762 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 184 195) no Hoare annotation was computed. [2022-11-20 09:30:02,763 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 196 204) the Hoare annotation is: true [2022-11-20 09:30:02,763 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 196 204) no Hoare annotation was computed. [2022-11-20 09:30:02,763 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 196 204) no Hoare annotation was computed. [2022-11-20 09:30:02,763 INFO L899 garLoopResultBuilder]: For program point L320-1(lines 319 338) no Hoare annotation was computed. [2022-11-20 09:30:02,763 INFO L899 garLoopResultBuilder]: For program point L287(lines 287 293) no Hoare annotation was computed. [2022-11-20 09:30:02,764 INFO L899 garLoopResultBuilder]: For program point L283(lines 283 296) no Hoare annotation was computed. [2022-11-20 09:30:02,764 INFO L895 garLoopResultBuilder]: At program point L283-1(lines 275 299) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 09:30:02,764 INFO L895 garLoopResultBuilder]: At program point L362(line 362) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 09:30:02,764 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 316 339) no Hoare annotation was computed. [2022-11-20 09:30:02,765 INFO L895 garLoopResultBuilder]: At program point L358(line 358) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 09:30:02,765 INFO L899 garLoopResultBuilder]: For program point L164(lines 164 168) no Hoare annotation was computed. [2022-11-20 09:30:02,765 INFO L895 garLoopResultBuilder]: At program point L164-2(lines 160 171) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 09:30:02,765 INFO L895 garLoopResultBuilder]: At program point L354(line 354) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 09:30:02,765 INFO L899 garLoopResultBuilder]: For program point L354-1(line 354) no Hoare annotation was computed. [2022-11-20 09:30:02,765 INFO L899 garLoopResultBuilder]: For program point L305(line 305) no Hoare annotation was computed. [2022-11-20 09:30:02,766 INFO L895 garLoopResultBuilder]: At program point L367(line 367) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-20 09:30:02,766 INFO L895 garLoopResultBuilder]: At program point L367-1(lines 348 372) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-20 09:30:02,766 INFO L895 garLoopResultBuilder]: At program point L281(line 281) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 09:30:02,766 INFO L899 garLoopResultBuilder]: For program point L281-1(line 281) no Hoare annotation was computed. [2022-11-20 09:30:02,767 INFO L895 garLoopResultBuilder]: At program point L306(lines 301 308) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-20 09:30:02,767 INFO L899 garLoopResultBuilder]: For program point L327-1(lines 327 333) no Hoare annotation was computed. [2022-11-20 09:30:02,767 INFO L895 garLoopResultBuilder]: At program point L422(lines 417 425) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) [2022-11-20 09:30:02,767 INFO L899 garLoopResultBuilder]: For program point L356(lines 356 364) no Hoare annotation was computed. [2022-11-20 09:30:02,767 INFO L899 garLoopResultBuilder]: For program point L352(lines 352 369) no Hoare annotation was computed. [2022-11-20 09:30:02,767 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 316 339) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-20 09:30:02,768 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 316 339) no Hoare annotation was computed. [2022-11-20 09:30:02,768 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 305) no Hoare annotation was computed. [2022-11-20 09:30:02,768 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-11-20 09:30:02,768 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-11-20 09:30:02,768 INFO L899 garLoopResultBuilder]: For program point L63(line 63) no Hoare annotation was computed. [2022-11-20 09:30:02,769 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-11-20 09:30:02,769 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-11-20 09:30:02,769 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-11-20 09:30:02,769 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-20 09:30:02,769 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-11-20 09:30:02,769 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-20 09:30:02,770 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-20 09:30:02,770 INFO L895 garLoopResultBuilder]: At program point L510(line 510) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 09:30:02,770 INFO L902 garLoopResultBuilder]: At program point L539(lines 478 543) the Hoare annotation is: true [2022-11-20 09:30:02,770 INFO L899 garLoopResultBuilder]: For program point L498(lines 498 504) no Hoare annotation was computed. [2022-11-20 09:30:02,770 INFO L899 garLoopResultBuilder]: For program point L498-1(lines 498 504) no Hoare annotation was computed. [2022-11-20 09:30:02,771 INFO L899 garLoopResultBuilder]: For program point L490(lines 490 494) no Hoare annotation was computed. [2022-11-20 09:30:02,771 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-20 09:30:02,771 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-20 09:30:02,771 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-20 09:30:02,771 INFO L895 garLoopResultBuilder]: At program point L474(lines 462 476) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 09:30:02,771 INFO L895 garLoopResultBuilder]: At program point L536(lines 487 537) the Hoare annotation is: false [2022-11-20 09:30:02,772 INFO L899 garLoopResultBuilder]: For program point L466(lines 466 472) no Hoare annotation was computed. [2022-11-20 09:30:02,772 INFO L899 garLoopResultBuilder]: For program point L466-1(lines 466 472) no Hoare annotation was computed. [2022-11-20 09:30:02,772 INFO L895 garLoopResultBuilder]: At program point L268(lines 263 271) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-20 09:30:02,772 INFO L899 garLoopResultBuilder]: For program point L140(lines 140 147) no Hoare annotation was computed. [2022-11-20 09:30:02,772 INFO L899 garLoopResultBuilder]: For program point L524(lines 524 530) no Hoare annotation was computed. [2022-11-20 09:30:02,773 INFO L895 garLoopResultBuilder]: At program point L524-2(lines 518 531) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 09:30:02,773 INFO L899 garLoopResultBuilder]: For program point L140-2(lines 140 147) no Hoare annotation was computed. [2022-11-20 09:30:02,773 INFO L895 garLoopResultBuilder]: At program point L260(lines 256 262) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 09:30:02,773 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-20 09:30:02,773 INFO L899 garLoopResultBuilder]: For program point L508(lines 508 514) no Hoare annotation was computed. [2022-11-20 09:30:02,773 INFO L902 garLoopResultBuilder]: At program point L124(lines 117 126) the Hoare annotation is: true [2022-11-20 09:30:02,774 INFO L899 garLoopResultBuilder]: For program point L508-1(lines 508 514) no Hoare annotation was computed. [2022-11-20 09:30:02,774 INFO L895 garLoopResultBuilder]: At program point L533(lines 488 535) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 09:30:02,774 INFO L902 garLoopResultBuilder]: At program point L149(lines 130 152) the Hoare annotation is: true [2022-11-20 09:30:02,774 INFO L895 garLoopResultBuilder]: At program point L500(line 500) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-20 09:30:02,774 INFO L895 garLoopResultBuilder]: At program point L253(lines 249 255) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-20 09:30:02,781 INFO L895 garLoopResultBuilder]: At program point L468(line 468) the Hoare annotation is: false [2022-11-20 09:30:02,781 INFO L895 garLoopResultBuilder]: At program point L113(lines 109 115) the Hoare annotation is: (and (= |ULTIMATE.start_main_~tmp~0#1| ~systemActive~0) (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-20 09:30:02,782 INFO L899 garLoopResultBuilder]: For program point L489(lines 488 535) no Hoare annotation was computed. [2022-11-20 09:30:02,782 INFO L899 garLoopResultBuilder]: For program point L518(lines 518 531) no Hoare annotation was computed. [2022-11-20 09:30:02,782 INFO L899 garLoopResultBuilder]: For program point L176-1(lines 172 183) no Hoare annotation was computed. [2022-11-20 09:30:02,782 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 172 183) no Hoare annotation was computed. [2022-11-20 09:30:02,782 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 172 183) the Hoare annotation is: true [2022-11-20 09:30:02,783 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 340 346) no Hoare annotation was computed. [2022-11-20 09:30:02,783 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 340 346) the Hoare annotation is: true [2022-11-20 09:30:02,783 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 406 416) the Hoare annotation is: true [2022-11-20 09:30:02,783 INFO L902 garLoopResultBuilder]: At program point L411(line 411) the Hoare annotation is: true [2022-11-20 09:30:02,784 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 406 416) no Hoare annotation was computed. [2022-11-20 09:30:02,784 INFO L899 garLoopResultBuilder]: For program point L411-1(line 411) no Hoare annotation was computed. [2022-11-20 09:30:02,785 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 406 416) no Hoare annotation was computed. [2022-11-20 09:30:02,789 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-20 09:30:02,791 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-20 09:30:02,821 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 09:30:02 BoogieIcfgContainer [2022-11-20 09:30:02,822 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-20 09:30:02,823 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:30:02,823 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:30:02,824 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:30:02,824 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:30:00" (3/4) ... [2022-11-20 09:30:02,827 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-20 09:30:02,833 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-20 09:30:02,834 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-20 09:30:02,834 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-20 09:30:02,834 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-20 09:30:02,834 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-20 09:30:02,835 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-20 09:30:02,835 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-20 09:30:02,835 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-20 09:30:02,844 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-20 09:30:02,844 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-20 09:30:02,845 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-20 09:30:02,845 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 09:30:02,845 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-20 09:30:02,877 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive [2022-11-20 09:30:02,878 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive [2022-11-20 09:30:02,879 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-20 09:30:02,881 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-11-20 09:30:02,882 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-20 09:30:02,883 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) [2022-11-20 09:30:02,883 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-20 09:30:02,916 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e6b85d-3f9e-4a8f-9a74-1185816957bd/bin/uautomizer-ug76WZFUDN/witness.graphml [2022-11-20 09:30:02,916 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:30:02,917 INFO L158 Benchmark]: Toolchain (without parser) took 3499.57ms. Allocated memory is still 159.4MB. Free memory was 119.5MB in the beginning and 58.5MB in the end (delta: 61.0MB). Peak memory consumption was 63.2MB. Max. memory is 16.1GB. [2022-11-20 09:30:02,917 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:30:02,917 INFO L158 Benchmark]: CACSL2BoogieTranslator took 520.05ms. Allocated memory is still 159.4MB. Free memory was 119.5MB in the beginning and 101.1MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2022-11-20 09:30:02,918 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.65ms. Allocated memory is still 159.4MB. Free memory was 101.1MB in the beginning and 99.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:30:02,918 INFO L158 Benchmark]: Boogie Preprocessor took 60.85ms. Allocated memory is still 159.4MB. Free memory was 99.0MB in the beginning and 97.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:30:02,918 INFO L158 Benchmark]: RCFGBuilder took 565.24ms. Allocated memory is still 159.4MB. Free memory was 97.7MB in the beginning and 81.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-20 09:30:02,919 INFO L158 Benchmark]: TraceAbstraction took 2193.94ms. Allocated memory is still 159.4MB. Free memory was 81.4MB in the beginning and 63.5MB in the end (delta: 17.9MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. [2022-11-20 09:30:02,920 INFO L158 Benchmark]: Witness Printer took 92.85ms. Allocated memory is still 159.4MB. Free memory was 63.5MB in the beginning and 58.5MB in the end (delta: 4.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-20 09:30:02,922 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 121.6MB. Free memory is still 90.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 520.05ms. Allocated memory is still 159.4MB. Free memory was 119.5MB in the beginning and 101.1MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.65ms. Allocated memory is still 159.4MB. Free memory was 101.1MB in the beginning and 99.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 60.85ms. Allocated memory is still 159.4MB. Free memory was 99.0MB in the beginning and 97.7MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 565.24ms. Allocated memory is still 159.4MB. Free memory was 97.7MB in the beginning and 81.8MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 2193.94ms. Allocated memory is still 159.4MB. Free memory was 81.4MB in the beginning and 63.5MB in the end (delta: 17.9MB). Peak memory consumption was 19.2MB. Max. memory is 16.1GB. * Witness Printer took 92.85ms. Allocated memory is still 159.4MB. Free memory was 63.5MB in the beginning and 58.5MB in the end (delta: 4.9MB). 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: 305]: 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, 83 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 227 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 223 mSDsluCounter, 811 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 476 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 112 IncrementalHoareTripleChecker+Invalid, 129 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 335 mSDtfsCounter, 112 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=158occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 37 LocationsWithAnnotation, 218 PreInvPairs, 257 NumberOfFragments, 171 HoareAnnotationTreeSize, 218 FomulaSimplifications, 42 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 37 FomulaSimplificationsInter, 572 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 206 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: 249]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 478]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 348]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) - InvariantResult [Line: 160]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 462]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 488]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 130]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: ((tmp == systemActive && pumpRunning == 0) && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 117]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 487]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2022-11-20 09:30:02,957 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_85e6b85d-3f9e-4a8f-9a74-1185816957bd/bin/uautomizer-ug76WZFUDN/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