./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 8393723b 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_570f6b4e-ca2b-4242-96e2-8d9767f9c54d/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570f6b4e-ca2b-4242-96e2-8d9767f9c54d/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570f6b4e-ca2b-4242-96e2-8d9767f9c54d/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570f6b4e-ca2b-4242-96e2-8d9767f9c54d/bin/uautomizer-TMbwUNV5ro/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570f6b4e-ca2b-4242-96e2-8d9767f9c54d/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570f6b4e-ca2b-4242-96e2-8d9767f9c54d/bin/uautomizer-TMbwUNV5ro --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 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 --- 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-8393723 [2022-11-18 18:31:00,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 18:31:00,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 18:31:00,811 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 18:31:00,812 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 18:31:00,813 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 18:31:00,822 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 18:31:00,831 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 18:31:00,833 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 18:31:00,834 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 18:31:00,836 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 18:31:00,837 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 18:31:00,838 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 18:31:00,839 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 18:31:00,841 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 18:31:00,845 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 18:31:00,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 18:31:00,854 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 18:31:00,857 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 18:31:00,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 18:31:00,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 18:31:00,874 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 18:31:00,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 18:31:00,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 18:31:00,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 18:31:00,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 18:31:00,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 18:31:00,890 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 18:31:00,891 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 18:31:00,892 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 18:31:00,893 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 18:31:00,894 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 18:31:00,895 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 18:31:00,896 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 18:31:00,898 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 18:31:00,898 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 18:31:00,908 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 18:31:00,909 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 18:31:00,909 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 18:31:00,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 18:31:00,911 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 18:31:00,912 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570f6b4e-ca2b-4242-96e2-8d9767f9c54d/bin/uautomizer-TMbwUNV5ro/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-18 18:31:00,963 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 18:31:00,963 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 18:31:00,964 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 18:31:00,964 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 18:31:00,966 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-18 18:31:00,966 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-18 18:31:00,967 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 18:31:00,967 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 18:31:00,967 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 18:31:00,967 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 18:31:00,969 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-18 18:31:00,969 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 18:31:00,969 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-18 18:31:00,969 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 18:31:00,970 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-18 18:31:00,970 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-18 18:31:00,970 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-18 18:31:00,970 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-18 18:31:00,970 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 18:31:00,971 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 18:31:00,971 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-18 18:31:00,971 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 18:31:00,971 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 18:31:00,972 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-18 18:31:00,972 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:31:00,972 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 18:31:00,974 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-18 18:31:00,974 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-18 18:31:00,974 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 18:31:00,975 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-18 18:31:00,975 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-18 18:31:00,975 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-18 18:31:00,975 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-18 18:31:00,976 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_570f6b4e-ca2b-4242-96e2-8d9767f9c54d/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570f6b4e-ca2b-4242-96e2-8d9767f9c54d/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 690d9fe310e470fa54abb43d61d054401e7692fe0de366fc3accadb640a888e5 [2022-11-18 18:31:01,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 18:31:01,325 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 18:31:01,328 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 18:31:01,330 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 18:31:01,331 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 18:31:01,332 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570f6b4e-ca2b-4242-96e2-8d9767f9c54d/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2022-11-18 18:31:01,422 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570f6b4e-ca2b-4242-96e2-8d9767f9c54d/bin/uautomizer-TMbwUNV5ro/data/d9e52595f/59b0a3e5af424560a29c1df0f26c16bf/FLAG4813007fb [2022-11-18 18:31:02,092 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 18:31:02,104 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570f6b4e-ca2b-4242-96e2-8d9767f9c54d/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c [2022-11-18 18:31:02,127 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570f6b4e-ca2b-4242-96e2-8d9767f9c54d/bin/uautomizer-TMbwUNV5ro/data/d9e52595f/59b0a3e5af424560a29c1df0f26c16bf/FLAG4813007fb [2022-11-18 18:31:02,382 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570f6b4e-ca2b-4242-96e2-8d9767f9c54d/bin/uautomizer-TMbwUNV5ro/data/d9e52595f/59b0a3e5af424560a29c1df0f26c16bf [2022-11-18 18:31:02,385 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 18:31:02,387 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 18:31:02,391 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 18:31:02,391 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 18:31:02,395 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 18:31:02,396 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:31:02" (1/1) ... [2022-11-18 18:31:02,397 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f737588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:02, skipping insertion in model container [2022-11-18 18:31:02,397 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 06:31:02" (1/1) ... [2022-11-18 18:31:02,405 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 18:31:02,441 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 18:31:02,721 WARN L234 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_570f6b4e-ca2b-4242-96e2-8d9767f9c54d/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c[6162,6175] [2022-11-18 18:31:02,835 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:31:02,856 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 18:31:02,893 WARN L234 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_570f6b4e-ca2b-4242-96e2-8d9767f9c54d/sv-benchmarks/c/product-lines/minepump_spec2_product07.cil.c[6162,6175] [2022-11-18 18:31:02,963 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 18:31:02,982 INFO L208 MainTranslator]: Completed translation [2022-11-18 18:31:02,982 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:02 WrapperNode [2022-11-18 18:31:02,982 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 18:31:02,984 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 18:31:02,984 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 18:31:02,984 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 18:31:02,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:02" (1/1) ... [2022-11-18 18:31:03,004 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:02" (1/1) ... [2022-11-18 18:31:03,036 INFO L138 Inliner]: procedures = 52, calls = 95, calls flagged for inlining = 19, calls inlined = 16, statements flattened = 156 [2022-11-18 18:31:03,036 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 18:31:03,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 18:31:03,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 18:31:03,038 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 18:31:03,048 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:02" (1/1) ... [2022-11-18 18:31:03,048 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:02" (1/1) ... [2022-11-18 18:31:03,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:02" (1/1) ... [2022-11-18 18:31:03,051 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:02" (1/1) ... [2022-11-18 18:31:03,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:02" (1/1) ... [2022-11-18 18:31:03,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:02" (1/1) ... [2022-11-18 18:31:03,061 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:02" (1/1) ... [2022-11-18 18:31:03,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:02" (1/1) ... [2022-11-18 18:31:03,065 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 18:31:03,066 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 18:31:03,066 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 18:31:03,066 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 18:31:03,067 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:02" (1/1) ... [2022-11-18 18:31:03,092 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-18 18:31:03,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570f6b4e-ca2b-4242-96e2-8d9767f9c54d/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 18:31:03,118 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570f6b4e-ca2b-4242-96e2-8d9767f9c54d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-18 18:31:03,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570f6b4e-ca2b-4242-96e2-8d9767f9c54d/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-18 18:31:03,183 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-18 18:31:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-18 18:31:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-18 18:31:03,184 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-18 18:31:03,184 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-18 18:31:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-18 18:31:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-18 18:31:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-18 18:31:03,185 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-18 18:31:03,185 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-18 18:31:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-18 18:31:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-18 18:31:03,186 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-18 18:31:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-18 18:31:03,186 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-18 18:31:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-18 18:31:03,187 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 18:31:03,187 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 18:31:03,269 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 18:31:03,272 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 18:31:03,620 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 18:31:03,628 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 18:31:03,628 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-18 18:31:03,631 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:31:03 BoogieIcfgContainer [2022-11-18 18:31:03,631 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 18:31:03,634 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-18 18:31:03,634 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-18 18:31:03,637 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-18 18:31:03,638 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 06:31:02" (1/3) ... [2022-11-18 18:31:03,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdbb7c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:31:03, skipping insertion in model container [2022-11-18 18:31:03,639 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 06:31:02" (2/3) ... [2022-11-18 18:31:03,639 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cdbb7c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 06:31:03, skipping insertion in model container [2022-11-18 18:31:03,640 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:31:03" (3/3) ... [2022-11-18 18:31:03,641 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product07.cil.c [2022-11-18 18:31:03,662 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-18 18:31:03,663 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-18 18:31:03,719 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-18 18:31:03,727 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;@664fb88d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-18 18:31:03,727 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-18 18:31:03,732 INFO L276 IsEmpty]: Start isEmpty. Operand has 81 states, 60 states have (on average 1.3833333333333333) internal successors, (83), 67 states have internal predecessors, (83), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-18 18:31:03,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-18 18:31:03,744 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:31:03,746 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:31:03,747 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:31:03,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:31:03,755 INFO L85 PathProgramCache]: Analyzing trace with hash 2077906994, now seen corresponding path program 1 times [2022-11-18 18:31:03,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:31:03,767 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1276981159] [2022-11-18 18:31:03,767 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:03,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:31:03,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:04,088 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-18 18:31:04,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:04,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:31:04,117 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:31:04,117 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1276981159] [2022-11-18 18:31:04,118 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1276981159] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:31:04,119 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:31:04,120 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 18:31:04,121 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [583760847] [2022-11-18 18:31:04,122 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:31:04,128 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-18 18:31:04,129 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:31:04,166 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-18 18:31:04,167 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-18 18:31:04,171 INFO L87 Difference]: Start difference. First operand has 81 states, 60 states have (on average 1.3833333333333333) internal successors, (83), 67 states have internal predecessors, (83), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:31:04,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:31:04,235 INFO L93 Difference]: Finished difference Result 153 states and 208 transitions. [2022-11-18 18:31:04,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-18 18:31:04,238 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25 [2022-11-18 18:31:04,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:31:04,266 INFO L225 Difference]: With dead ends: 153 [2022-11-18 18:31:04,266 INFO L226 Difference]: Without dead ends: 72 [2022-11-18 18:31:04,272 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 [2022-11-18 18:31:04,284 INFO L413 NwaCegarLoop]: 101 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, 101 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 [2022-11-18 18:31:04,290 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 101 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:31:04,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2022-11-18 18:31:04,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2022-11-18 18:31:04,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 53 states have (on average 1.3018867924528301) internal successors, (69), 59 states have internal predecessors, (69), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-18 18:31:04,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 92 transitions. [2022-11-18 18:31:04,364 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 92 transitions. Word has length 25 [2022-11-18 18:31:04,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:31:04,364 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 92 transitions. [2022-11-18 18:31:04,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:31:04,365 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 92 transitions. [2022-11-18 18:31:04,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-18 18:31:04,367 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:31:04,367 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:31:04,368 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-18 18:31:04,368 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:31:04,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:31:04,369 INFO L85 PathProgramCache]: Analyzing trace with hash 525951112, now seen corresponding path program 1 times [2022-11-18 18:31:04,369 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:31:04,369 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [452763667] [2022-11-18 18:31:04,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:04,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:31:04,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:04,578 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-18 18:31:04,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:04,584 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:31:04,584 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:31:04,585 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [452763667] [2022-11-18 18:31:04,585 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [452763667] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:31:04,585 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:31:04,586 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 18:31:04,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546859562] [2022-11-18 18:31:04,586 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:31:04,587 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-18 18:31:04,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:31:04,588 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 18:31:04,589 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 18:31:04,589 INFO L87 Difference]: Start difference. First operand 72 states and 92 transitions. Second operand has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:31:04,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:31:04,620 INFO L93 Difference]: Finished difference Result 105 states and 133 transitions. [2022-11-18 18:31:04,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 18:31:04,622 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26 [2022-11-18 18:31:04,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:31:04,624 INFO L225 Difference]: With dead ends: 105 [2022-11-18 18:31:04,624 INFO L226 Difference]: Without dead ends: 63 [2022-11-18 18:31:04,625 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 [2022-11-18 18:31:04,626 INFO L413 NwaCegarLoop]: 79 mSDtfsCounter, 16 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 137 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 [2022-11-18 18:31:04,627 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 137 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:31:04,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2022-11-18 18:31:04,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2022-11-18 18:31:04,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 47 states have (on average 1.3191489361702127) internal successors, (62), 53 states have internal predecessors, (62), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-18 18:31:04,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2022-11-18 18:31:04,638 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 26 [2022-11-18 18:31:04,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:31:04,638 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2022-11-18 18:31:04,639 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:31:04,639 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2022-11-18 18:31:04,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2022-11-18 18:31:04,640 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:31:04,640 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:31:04,641 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-18 18:31:04,641 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:31:04,642 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:31:04,642 INFO L85 PathProgramCache]: Analyzing trace with hash -1806341128, now seen corresponding path program 1 times [2022-11-18 18:31:04,642 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:31:04,642 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [607732775] [2022-11-18 18:31:04,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:04,643 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:31:04,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:04,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:31:04,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:04,929 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:31:04,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:31:04,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [607732775] [2022-11-18 18:31:04,930 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [607732775] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:31:04,930 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:31:04,930 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-18 18:31:04,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1203173193] [2022-11-18 18:31:04,931 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:31:04,931 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-18 18:31:04,931 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:31:04,932 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-18 18:31:04,932 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2022-11-18 18:31:04,932 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:31:05,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:31:05,217 INFO L93 Difference]: Finished difference Result 215 states and 281 transitions. [2022-11-18 18:31:05,218 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-18 18:31:05,218 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30 [2022-11-18 18:31:05,219 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:31:05,221 INFO L225 Difference]: With dead ends: 215 [2022-11-18 18:31:05,224 INFO L226 Difference]: Without dead ends: 160 [2022-11-18 18:31:05,225 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2022-11-18 18:31:05,226 INFO L413 NwaCegarLoop]: 101 mSDtfsCounter, 212 mSDsluCounter, 275 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 212 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-18 18:31:05,229 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [212 Valid, 376 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-18 18:31:05,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2022-11-18 18:31:05,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 154. [2022-11-18 18:31:05,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 154 states, 113 states have (on average 1.3628318584070795) internal successors, (154), 127 states have internal predecessors, (154), 23 states have call successors, (23), 17 states have call predecessors, (23), 17 states have return successors, (24), 17 states have call predecessors, (24), 23 states have call successors, (24) [2022-11-18 18:31:05,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 201 transitions. [2022-11-18 18:31:05,272 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 201 transitions. Word has length 30 [2022-11-18 18:31:05,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:31:05,273 INFO L495 AbstractCegarLoop]: Abstraction has 154 states and 201 transitions. [2022-11-18 18:31:05,273 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-18 18:31:05,273 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 201 transitions. [2022-11-18 18:31:05,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2022-11-18 18:31:05,275 INFO L187 NwaCegarLoop]: Found error trace [2022-11-18 18:31:05,275 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-18 18:31:05,275 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-18 18:31:05,276 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-18 18:31:05,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 18:31:05,277 INFO L85 PathProgramCache]: Analyzing trace with hash -1533330026, now seen corresponding path program 1 times [2022-11-18 18:31:05,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 18:31:05,277 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996279685] [2022-11-18 18:31:05,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 18:31:05,278 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 18:31:05,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:05,396 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20 [2022-11-18 18:31:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:05,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2022-11-18 18:31:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 18:31:05,407 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 18:31:05,408 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 18:31:05,408 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996279685] [2022-11-18 18:31:05,408 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996279685] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 18:31:05,409 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 18:31:05,409 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-18 18:31:05,409 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977764120] [2022-11-18 18:31:05,410 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 18:31:05,410 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-11-18 18:31:05,410 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 18:31:05,411 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-11-18 18:31:05,411 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-11-18 18:31:05,412 INFO L87 Difference]: Start difference. First operand 154 states and 201 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2022-11-18 18:31:05,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 18:31:05,488 INFO L93 Difference]: Finished difference Result 274 states and 360 transitions. [2022-11-18 18:31:05,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-11-18 18:31:05,489 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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 35 [2022-11-18 18:31:05,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-18 18:31:05,490 INFO L225 Difference]: With dead ends: 274 [2022-11-18 18:31:05,490 INFO L226 Difference]: Without dead ends: 0 [2022-11-18 18:31:05,492 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 [2022-11-18 18:31:05,499 INFO L413 NwaCegarLoop]: 53 mSDtfsCounter, 38 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-18 18:31:05,500 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 154 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-18 18:31:05,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-18 18:31:05,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-18 18:31:05,502 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) [2022-11-18 18:31:05,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-18 18:31:05,502 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 35 [2022-11-18 18:31:05,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-18 18:31:05,503 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-18 18:31:05,503 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 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) [2022-11-18 18:31:05,503 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-18 18:31:05,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-18 18:31:05,506 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-18 18:31:05,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-18 18:31:05,510 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-18 18:31:05,997 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 211 218) the Hoare annotation is: true [2022-11-18 18:31:05,998 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 211 218) no Hoare annotation was computed. [2022-11-18 18:31:05,998 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 211 218) no Hoare annotation was computed. [2022-11-18 18:31:05,998 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 170 176) no Hoare annotation was computed. [2022-11-18 18:31:05,999 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 170 176) the Hoare annotation is: true [2022-11-18 18:31:05,999 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 82 93) the Hoare annotation is: true [2022-11-18 18:31:05,999 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 82 93) no Hoare annotation was computed. [2022-11-18 18:31:06,000 INFO L899 garLoopResultBuilder]: For program point L86-1(lines 82 93) no Hoare annotation was computed. [2022-11-18 18:31:06,000 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 773 802) no Hoare annotation was computed. [2022-11-18 18:31:06,000 INFO L902 garLoopResultBuilder]: At program point L798(lines 773 802) the Hoare annotation is: true [2022-11-18 18:31:06,000 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 773 802) the Hoare annotation is: true [2022-11-18 18:31:06,001 INFO L899 garLoopResultBuilder]: For program point L794(line 794) no Hoare annotation was computed. [2022-11-18 18:31:06,002 INFO L899 garLoopResultBuilder]: For program point L787(lines 787 791) no Hoare annotation was computed. [2022-11-18 18:31:06,003 INFO L902 garLoopResultBuilder]: At program point L787-1(lines 787 791) the Hoare annotation is: true [2022-11-18 18:31:06,004 INFO L899 garLoopResultBuilder]: For program point L784(line 784) no Hoare annotation was computed. [2022-11-18 18:31:06,005 INFO L902 garLoopResultBuilder]: At program point L783-2(lines 783 797) the Hoare annotation is: true [2022-11-18 18:31:06,006 INFO L902 garLoopResultBuilder]: At program point L779(line 779) the Hoare annotation is: true [2022-11-18 18:31:06,006 INFO L899 garLoopResultBuilder]: For program point L779-1(line 779) no Hoare annotation was computed. [2022-11-18 18:31:06,006 INFO L895 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-18 18:31:06,006 INFO L895 garLoopResultBuilder]: At program point L188(line 188) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-18 18:31:06,006 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 146 169) no Hoare annotation was computed. [2022-11-18 18:31:06,007 INFO L895 garLoopResultBuilder]: At program point L197(line 197) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-18 18:31:06,007 INFO L895 garLoopResultBuilder]: At program point L197-1(lines 178 202) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2022-11-18 18:31:06,007 INFO L895 garLoopResultBuilder]: At program point L226(lines 219 229) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-18 18:31:06,007 INFO L899 garLoopResultBuilder]: For program point L891(lines 891 901) no Hoare annotation was computed. [2022-11-18 18:31:06,007 INFO L899 garLoopResultBuilder]: For program point L887(lines 887 904) no Hoare annotation was computed. [2022-11-18 18:31:06,008 INFO L895 garLoopResultBuilder]: At program point L887-1(lines 879 907) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-18 18:31:06,008 INFO L895 garLoopResultBuilder]: At program point L235(lines 230 238) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))) [2022-11-18 18:31:06,008 INFO L899 garLoopResultBuilder]: For program point L62(lines 62 66) no Hoare annotation was computed. [2022-11-18 18:31:06,008 INFO L895 garLoopResultBuilder]: At program point L62-2(lines 58 69) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-18 18:31:06,008 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 157 163) no Hoare annotation was computed. [2022-11-18 18:31:06,009 INFO L899 garLoopResultBuilder]: For program point L892(lines 892 898) no Hoare annotation was computed. [2022-11-18 18:31:06,009 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 194) no Hoare annotation was computed. [2022-11-18 18:31:06,009 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 199) no Hoare annotation was computed. [2022-11-18 18:31:06,009 INFO L899 garLoopResultBuilder]: For program point L401(line 401) no Hoare annotation was computed. [2022-11-18 18:31:06,009 INFO L895 garLoopResultBuilder]: At program point L224(line 224) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-18 18:31:06,010 INFO L899 garLoopResultBuilder]: For program point L224-1(line 224) no Hoare annotation was computed. [2022-11-18 18:31:06,010 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 149 168) no Hoare annotation was computed. [2022-11-18 18:31:06,010 INFO L895 garLoopResultBuilder]: At program point L885(line 885) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-18 18:31:06,010 INFO L899 garLoopResultBuilder]: For program point L885-1(line 885) no Hoare annotation was computed. [2022-11-18 18:31:06,011 INFO L895 garLoopResultBuilder]: At program point L402(lines 397 404) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-18 18:31:06,011 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 146 169) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-18 18:31:06,011 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 146 169) no Hoare annotation was computed. [2022-11-18 18:31:06,011 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 401) no Hoare annotation was computed. [2022-11-18 18:31:06,011 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 94 102) the Hoare annotation is: true [2022-11-18 18:31:06,012 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 94 102) no Hoare annotation was computed. [2022-11-18 18:31:06,012 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 94 102) no Hoare annotation was computed. [2022-11-18 18:31:06,012 INFO L902 garLoopResultBuilder]: At program point L353(lines 292 357) the Hoare annotation is: true [2022-11-18 18:31:06,012 INFO L902 garLoopResultBuilder]: At program point L865(lines 846 868) the Hoare annotation is: true [2022-11-18 18:31:06,012 INFO L895 garLoopResultBuilder]: At program point L287(lines 275 289) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 18:31:06,013 INFO L899 garLoopResultBuilder]: For program point L312(lines 312 318) no Hoare annotation was computed. [2022-11-18 18:31:06,013 INFO L899 garLoopResultBuilder]: For program point L312-1(lines 312 318) no Hoare annotation was computed. [2022-11-18 18:31:06,013 INFO L899 garLoopResultBuilder]: For program point L279(lines 279 285) no Hoare annotation was computed. [2022-11-18 18:31:06,013 INFO L899 garLoopResultBuilder]: For program point L279-1(lines 279 285) no Hoare annotation was computed. [2022-11-18 18:31:06,013 INFO L899 garLoopResultBuilder]: For program point L304(lines 304 308) no Hoare annotation was computed. [2022-11-18 18:31:06,013 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-18 18:31:06,014 INFO L895 garLoopResultBuilder]: At program point L350(lines 301 351) the Hoare annotation is: false [2022-11-18 18:31:06,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-18 18:31:06,014 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-18 18:31:06,014 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 344) no Hoare annotation was computed. [2022-11-18 18:31:06,014 INFO L895 garLoopResultBuilder]: At program point L338-2(lines 332 345) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 18:31:06,015 INFO L895 garLoopResultBuilder]: At program point L392(lines 387 395) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0)) [2022-11-18 18:31:06,015 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 328) no Hoare annotation was computed. [2022-11-18 18:31:06,015 INFO L899 garLoopResultBuilder]: For program point L322-1(lines 322 328) no Hoare annotation was computed. [2022-11-18 18:31:06,015 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-18 18:31:06,015 INFO L895 garLoopResultBuilder]: At program point L384(lines 380 386) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-18 18:31:06,016 INFO L895 garLoopResultBuilder]: At program point L347(lines 302 349) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 18:31:06,016 INFO L895 garLoopResultBuilder]: At program point L314(line 314) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 18:31:06,016 INFO L895 garLoopResultBuilder]: At program point L281(line 281) the Hoare annotation is: false [2022-11-18 18:31:06,016 INFO L895 garLoopResultBuilder]: At program point L876(lines 871 878) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0)) [2022-11-18 18:31:06,016 INFO L902 garLoopResultBuilder]: At program point L843(lines 835 845) the Hoare annotation is: true [2022-11-18 18:31:06,017 INFO L895 garLoopResultBuilder]: At program point L831(lines 827 833) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (= |ULTIMATE.start_main_~tmp~5#1| ~systemActive~0)) [2022-11-18 18:31:06,017 INFO L895 garLoopResultBuilder]: At program point L377(lines 373 379) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-18 18:31:06,017 INFO L899 garLoopResultBuilder]: For program point L856(lines 856 863) no Hoare annotation was computed. [2022-11-18 18:31:06,017 INFO L899 garLoopResultBuilder]: For program point L856-2(lines 856 863) no Hoare annotation was computed. [2022-11-18 18:31:06,017 INFO L899 garLoopResultBuilder]: For program point L303(lines 302 349) no Hoare annotation was computed. [2022-11-18 18:31:06,018 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 345) no Hoare annotation was computed. [2022-11-18 18:31:06,018 INFO L895 garLoopResultBuilder]: At program point L324(line 324) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-18 18:31:06,018 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 70 81) no Hoare annotation was computed. [2022-11-18 18:31:06,023 INFO L899 garLoopResultBuilder]: For program point L74-1(lines 70 81) no Hoare annotation was computed. [2022-11-18 18:31:06,023 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 70 81) the Hoare annotation is: true [2022-11-18 18:31:06,027 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-18 18:31:06,031 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-18 18:31:06,070 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 06:31:06 BoogieIcfgContainer [2022-11-18 18:31:06,072 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-18 18:31:06,072 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 18:31:06,074 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 18:31:06,074 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 18:31:06,077 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 06:31:03" (3/4) ... [2022-11-18 18:31:06,080 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-18 18:31:06,088 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-18 18:31:06,088 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-18 18:31:06,088 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-18 18:31:06,089 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-18 18:31:06,089 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-18 18:31:06,089 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-18 18:31:06,090 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-18 18:31:06,099 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2022-11-18 18:31:06,100 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2022-11-18 18:31:06,100 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-18 18:31:06,101 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:31:06,101 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-18 18:31:06,134 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive [2022-11-18 18:31:06,134 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-11-18 18:31:06,135 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && tmp == systemActive [2022-11-18 18:31:06,136 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-18 18:31:06,137 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) [2022-11-18 18:31:06,137 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-18 18:31:06,138 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-18 18:31:06,138 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) [2022-11-18 18:31:06,139 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-18 18:31:06,185 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570f6b4e-ca2b-4242-96e2-8d9767f9c54d/bin/uautomizer-TMbwUNV5ro/witness.graphml [2022-11-18 18:31:06,185 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 18:31:06,186 INFO L158 Benchmark]: Toolchain (without parser) took 3798.63ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 67.8MB in the beginning and 97.0MB in the end (delta: -29.2MB). Peak memory consumption was 47.0MB. Max. memory is 16.1GB. [2022-11-18 18:31:06,186 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory was 55.7MB in the beginning and 55.6MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:31:06,186 INFO L158 Benchmark]: CACSL2BoogieTranslator took 592.06ms. Allocated memory is still 98.6MB. Free memory was 67.8MB in the beginning and 68.8MB in the end (delta: -992.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 18:31:06,187 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.05ms. Allocated memory is still 98.6MB. Free memory was 68.8MB in the beginning and 66.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 18:31:06,187 INFO L158 Benchmark]: Boogie Preprocessor took 28.12ms. Allocated memory is still 98.6MB. Free memory was 66.2MB in the beginning and 64.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 18:31:06,188 INFO L158 Benchmark]: RCFGBuilder took 565.44ms. Allocated memory is still 98.6MB. Free memory was 64.9MB in the beginning and 50.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-11-18 18:31:06,188 INFO L158 Benchmark]: TraceAbstraction took 2438.17ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 49.4MB in the beginning and 46.5MB in the end (delta: 2.9MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. [2022-11-18 18:31:06,189 INFO L158 Benchmark]: Witness Printer took 112.47ms. Allocated memory is still 121.6MB. Free memory was 46.5MB in the beginning and 97.0MB in the end (delta: -50.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-18 18:31:06,191 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory was 55.7MB in the beginning and 55.6MB in the end (delta: 46.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 592.06ms. Allocated memory is still 98.6MB. Free memory was 67.8MB in the beginning and 68.8MB in the end (delta: -992.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.05ms. Allocated memory is still 98.6MB. Free memory was 68.8MB in the beginning and 66.2MB in the end (delta: 2.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.12ms. Allocated memory is still 98.6MB. Free memory was 66.2MB in the beginning and 64.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 565.44ms. Allocated memory is still 98.6MB. Free memory was 64.9MB in the beginning and 50.2MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 2438.17ms. Allocated memory was 98.6MB in the beginning and 121.6MB in the end (delta: 23.1MB). Free memory was 49.4MB in the beginning and 46.5MB in the end (delta: 2.9MB). Peak memory consumption was 26.8MB. Max. memory is 16.1GB. * Witness Printer took 112.47ms. Allocated memory is still 121.6MB. Free memory was 46.5MB in the beginning and 97.0MB in the end (delta: -50.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 401]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 81 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 270 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 266 mSDsluCounter, 768 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 434 mSDsCounter, 34 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 102 IncrementalHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 34 mSolverCounterUnsat, 334 mSDtfsCounter, 102 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=154occurred 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, 221 PreInvPairs, 260 NumberOfFragments, 186 HoareAnnotationTreeSize, 221 FomulaSimplifications, 42 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 37 FomulaSimplificationsInter, 590 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 116 NumberOfCodeBlocks, 116 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 219 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: 846]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 879]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 835]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 827]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 783]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 397]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 871]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && 1 == systemActive) && \result == systemActive) && tmp == systemActive - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 373]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 387]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && \result == systemActive - InvariantResult [Line: 275]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 178]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && !(0 == systemActive)) - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 773]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 219]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0) RESULT: Ultimate proved your program to be correct! [2022-11-18 18:31:06,225 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_570f6b4e-ca2b-4242-96e2-8d9767f9c54d/bin/uautomizer-TMbwUNV5ro/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