./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5e519f3a Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8322ae-570c-4fe2-896b-83b192f6500b/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8322ae-570c-4fe2-896b-83b192f6500b/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8322ae-570c-4fe2-896b-83b192f6500b/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8322ae-570c-4fe2-896b-83b192f6500b/bin/uautomizer-Dbtcem3rbc/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8322ae-570c-4fe2-896b-83b192f6500b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8322ae-570c-4fe2-896b-83b192f6500b/bin/uautomizer-Dbtcem3rbc --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 3364c65adf57fef4e6e40e7680894e092c8fbf29e459121c70f90a68103ac5cb --- 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-5e519f3 [2022-11-02 20:44:07,319 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-02 20:44:07,322 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-02 20:44:07,374 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-02 20:44:07,375 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-02 20:44:07,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-02 20:44:07,382 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-02 20:44:07,389 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-02 20:44:07,391 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-02 20:44:07,392 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-02 20:44:07,393 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-02 20:44:07,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-02 20:44:07,397 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-02 20:44:07,403 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-02 20:44:07,406 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-02 20:44:07,408 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-02 20:44:07,410 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-02 20:44:07,411 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-02 20:44:07,413 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-02 20:44:07,422 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-02 20:44:07,424 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-02 20:44:07,425 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-02 20:44:07,426 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-02 20:44:07,428 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-02 20:44:07,432 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-02 20:44:07,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-02 20:44:07,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-02 20:44:07,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-02 20:44:07,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-02 20:44:07,435 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-02 20:44:07,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-02 20:44:07,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-02 20:44:07,443 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-02 20:44:07,445 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-02 20:44:07,446 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-02 20:44:07,447 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-02 20:44:07,448 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-02 20:44:07,449 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-02 20:44:07,449 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-02 20:44:07,450 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-02 20:44:07,451 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-02 20:44:07,452 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8322ae-570c-4fe2-896b-83b192f6500b/bin/uautomizer-Dbtcem3rbc/config/svcomp-Reach-32bit-Automizer_Default.epf [2022-11-02 20:44:07,479 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-02 20:44:07,480 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-02 20:44:07,480 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-02 20:44:07,480 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-02 20:44:07,481 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-02 20:44:07,481 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-02 20:44:07,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-02 20:44:07,483 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-02 20:44:07,483 INFO L138 SettingsManager]: * Use SBE=true [2022-11-02 20:44:07,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-02 20:44:07,483 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-02 20:44:07,484 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-02 20:44:07,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-02 20:44:07,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-02 20:44:07,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-02 20:44:07,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-02 20:44:07,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-02 20:44:07,485 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-02 20:44:07,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-02 20:44:07,486 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-02 20:44:07,486 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-02 20:44:07,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-02 20:44:07,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-02 20:44:07,487 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-02 20:44:07,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:44:07,487 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-02 20:44:07,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-02 20:44:07,488 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-02 20:44:07,488 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-02 20:44:07,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-02 20:44:07,488 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-02 20:44:07,489 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-11-02 20:44:07,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-02 20:44:07,489 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_4e8322ae-570c-4fe2-896b-83b192f6500b/bin/uautomizer-Dbtcem3rbc/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8322ae-570c-4fe2-896b-83b192f6500b/bin/uautomizer-Dbtcem3rbc Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3364c65adf57fef4e6e40e7680894e092c8fbf29e459121c70f90a68103ac5cb [2022-11-02 20:44:07,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-02 20:44:07,857 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-02 20:44:07,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-02 20:44:07,862 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-02 20:44:07,863 INFO L275 PluginConnector]: CDTParser initialized [2022-11-02 20:44:07,864 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8322ae-570c-4fe2-896b-83b192f6500b/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2022-11-02 20:44:07,958 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8322ae-570c-4fe2-896b-83b192f6500b/bin/uautomizer-Dbtcem3rbc/data/acbe76508/910d01a9d9c54f00b71edf3076deda37/FLAGc0738097a [2022-11-02 20:44:08,617 INFO L306 CDTParser]: Found 1 translation units. [2022-11-02 20:44:08,629 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8322ae-570c-4fe2-896b-83b192f6500b/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c [2022-11-02 20:44:08,643 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8322ae-570c-4fe2-896b-83b192f6500b/bin/uautomizer-Dbtcem3rbc/data/acbe76508/910d01a9d9c54f00b71edf3076deda37/FLAGc0738097a [2022-11-02 20:44:08,901 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8322ae-570c-4fe2-896b-83b192f6500b/bin/uautomizer-Dbtcem3rbc/data/acbe76508/910d01a9d9c54f00b71edf3076deda37 [2022-11-02 20:44:08,904 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-02 20:44:08,907 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-02 20:44:08,910 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-02 20:44:08,910 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-02 20:44:08,915 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-02 20:44:08,916 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:44:08" (1/1) ... [2022-11-02 20:44:08,918 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22fa1394 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:08, skipping insertion in model container [2022-11-02 20:44:08,918 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:44:08" (1/1) ... [2022-11-02 20:44:08,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-02 20:44:08,999 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-02 20:44:09,447 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8322ae-570c-4fe2-896b-83b192f6500b/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11828,11841] [2022-11-02 20:44:09,499 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:44:09,510 INFO L203 MainTranslator]: Completed pre-run [2022-11-02 20:44:09,569 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8322ae-570c-4fe2-896b-83b192f6500b/sv-benchmarks/c/product-lines/minepump_spec2_product16.cil.c[11828,11841] [2022-11-02 20:44:09,604 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-02 20:44:09,644 INFO L208 MainTranslator]: Completed translation [2022-11-02 20:44:09,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:09 WrapperNode [2022-11-02 20:44:09,645 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-02 20:44:09,648 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-02 20:44:09,648 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-02 20:44:09,648 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-02 20:44:09,658 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:09" (1/1) ... [2022-11-02 20:44:09,678 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:09" (1/1) ... [2022-11-02 20:44:09,709 INFO L138 Inliner]: procedures = 54, calls = 154, calls flagged for inlining = 20, calls inlined = 16, statements flattened = 206 [2022-11-02 20:44:09,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-02 20:44:09,710 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-02 20:44:09,711 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-02 20:44:09,711 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-02 20:44:09,724 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:09" (1/1) ... [2022-11-02 20:44:09,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:09" (1/1) ... [2022-11-02 20:44:09,745 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:09" (1/1) ... [2022-11-02 20:44:09,745 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:09" (1/1) ... [2022-11-02 20:44:09,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:09" (1/1) ... [2022-11-02 20:44:09,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:09" (1/1) ... [2022-11-02 20:44:09,775 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:09" (1/1) ... [2022-11-02 20:44:09,778 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:09" (1/1) ... [2022-11-02 20:44:09,785 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-02 20:44:09,786 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-02 20:44:09,787 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-02 20:44:09,787 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-02 20:44:09,788 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:09" (1/1) ... [2022-11-02 20:44:09,795 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-02 20:44:09,808 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8322ae-570c-4fe2-896b-83b192f6500b/bin/uautomizer-Dbtcem3rbc/z3 [2022-11-02 20:44:09,820 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8322ae-570c-4fe2-896b-83b192f6500b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-02 20:44:09,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8322ae-570c-4fe2-896b-83b192f6500b/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-02 20:44:09,865 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-02 20:44:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-02 20:44:09,866 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-02 20:44:09,866 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-02 20:44:09,866 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-02 20:44:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2022-11-02 20:44:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2022-11-02 20:44:09,867 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-02 20:44:09,867 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-02 20:44:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2022-11-02 20:44:09,868 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2022-11-02 20:44:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2022-11-02 20:44:09,868 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2022-11-02 20:44:09,868 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-02 20:44:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-02 20:44:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-02 20:44:09,869 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-02 20:44:09,869 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-02 20:44:09,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-02 20:44:09,870 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-02 20:44:09,964 INFO L235 CfgBuilder]: Building ICFG [2022-11-02 20:44:09,968 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-02 20:44:10,517 INFO L276 CfgBuilder]: Performing block encoding [2022-11-02 20:44:10,526 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-02 20:44:10,535 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-02 20:44:10,538 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:44:10 BoogieIcfgContainer [2022-11-02 20:44:10,538 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-02 20:44:10,542 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-02 20:44:10,542 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-02 20:44:10,547 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-02 20:44:10,547 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.11 08:44:08" (1/3) ... [2022-11-02 20:44:10,548 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f9f23c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:44:10, skipping insertion in model container [2022-11-02 20:44:10,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:44:09" (2/3) ... [2022-11-02 20:44:10,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@57f9f23c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.11 08:44:10, skipping insertion in model container [2022-11-02 20:44:10,549 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:44:10" (3/3) ... [2022-11-02 20:44:10,551 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product16.cil.c [2022-11-02 20:44:10,577 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-02 20:44:10,577 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-02 20:44:10,672 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-02 20:44:10,689 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;@251ea237, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-02 20:44:10,690 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-02 20:44:10,696 INFO L276 IsEmpty]: Start isEmpty. Operand has 86 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 70 states have internal predecessors, (86), 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) [2022-11-02 20:44:10,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-02 20:44:10,709 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:44:10,710 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] [2022-11-02 20:44:10,711 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:44:10,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:44:10,720 INFO L85 PathProgramCache]: Analyzing trace with hash 265998247, now seen corresponding path program 1 times [2022-11-02 20:44:10,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:44:10,733 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [334838919] [2022-11-02 20:44:10,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:10,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:44:10,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:11,091 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2022-11-02 20:44:11,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:11,111 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:44:11,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:44:11,112 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [334838919] [2022-11-02 20:44:11,115 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [334838919] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:44:11,116 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:44:11,116 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-02 20:44:11,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476681337] [2022-11-02 20:44:11,119 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:44:11,126 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-02 20:44:11,126 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:44:11,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-02 20:44:11,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-02 20:44:11,174 INFO L87 Difference]: Start difference. First operand has 86 states, 63 states have (on average 1.3650793650793651) internal successors, (86), 70 states have internal predecessors, (86), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 11 states have call predecessors, (13), 13 states have call successors, (13) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:44:11,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:44:11,271 INFO L93 Difference]: Finished difference Result 163 states and 218 transitions. [2022-11-02 20:44:11,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-02 20:44:11,274 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 [2022-11-02 20:44:11,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:44:11,287 INFO L225 Difference]: With dead ends: 163 [2022-11-02 20:44:11,287 INFO L226 Difference]: Without dead ends: 77 [2022-11-02 20:44:11,292 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 [2022-11-02 20:44:11,297 INFO L413 NwaCegarLoop]: 106 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, 106 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 [2022-11-02 20:44:11,298 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:44:11,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2022-11-02 20:44:11,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2022-11-02 20:44:11,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 56 states have (on average 1.2857142857142858) internal successors, (72), 62 states have internal predecessors, (72), 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) [2022-11-02 20:44:11,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 97 transitions. [2022-11-02 20:44:11,374 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 97 transitions. Word has length 25 [2022-11-02 20:44:11,375 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:44:11,376 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 97 transitions. [2022-11-02 20:44:11,376 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) [2022-11-02 20:44:11,377 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 97 transitions. [2022-11-02 20:44:11,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2022-11-02 20:44:11,382 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:44:11,383 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] [2022-11-02 20:44:11,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-02 20:44:11,385 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:44:11,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:44:11,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1379017056, now seen corresponding path program 1 times [2022-11-02 20:44:11,388 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:44:11,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562253397] [2022-11-02 20:44:11,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:11,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:44:11,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:11,618 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2022-11-02 20:44:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:11,624 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:44:11,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:44:11,625 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562253397] [2022-11-02 20:44:11,626 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562253397] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:44:11,626 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:44:11,626 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:44:11,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2007029259] [2022-11-02 20:44:11,627 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:44:11,629 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:44:11,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:44:11,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:44:11,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:44:11,631 INFO L87 Difference]: Start difference. First operand 77 states and 97 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) [2022-11-02 20:44:11,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:44:11,653 INFO L93 Difference]: Finished difference Result 114 states and 142 transitions. [2022-11-02 20:44:11,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:44:11,654 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 [2022-11-02 20:44:11,654 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:44:11,656 INFO L225 Difference]: With dead ends: 114 [2022-11-02 20:44:11,656 INFO L226 Difference]: Without dead ends: 68 [2022-11-02 20:44:11,657 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 [2022-11-02 20:44:11,659 INFO L413 NwaCegarLoop]: 84 mSDtfsCounter, 17 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 146 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 [2022-11-02 20:44:11,660 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 146 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:44:11,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2022-11-02 20:44:11,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2022-11-02 20:44:11,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 50 states have (on average 1.3) internal successors, (65), 56 states have internal predecessors, (65), 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) [2022-11-02 20:44:11,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 85 transitions. [2022-11-02 20:44:11,674 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 85 transitions. Word has length 26 [2022-11-02 20:44:11,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:44:11,675 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 85 transitions. [2022-11-02 20:44:11,675 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) [2022-11-02 20:44:11,675 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 85 transitions. [2022-11-02 20:44:11,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-02 20:44:11,677 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:44:11,678 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:44:11,678 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-02 20:44:11,679 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:44:11,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:44:11,680 INFO L85 PathProgramCache]: Analyzing trace with hash -969984948, now seen corresponding path program 1 times [2022-11-02 20:44:11,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:44:11,680 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1842731193] [2022-11-02 20:44:11,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:11,681 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:44:11,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:11,827 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2022-11-02 20:44:11,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:11,833 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:44:11,833 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:44:11,834 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1842731193] [2022-11-02 20:44:11,834 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1842731193] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:44:11,834 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:44:11,835 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-02 20:44:11,835 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558489427] [2022-11-02 20:44:11,835 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:44:11,836 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-02 20:44:11,836 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:44:11,837 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-02 20:44:11,837 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:44:11,838 INFO L87 Difference]: Start difference. First operand 68 states and 85 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:44:11,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:44:11,877 INFO L93 Difference]: Finished difference Result 186 states and 238 transitions. [2022-11-02 20:44:11,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-02 20:44:11,878 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2022-11-02 20:44:11,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:44:11,881 INFO L225 Difference]: With dead ends: 186 [2022-11-02 20:44:11,881 INFO L226 Difference]: Without dead ends: 126 [2022-11-02 20:44:11,882 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-02 20:44:11,884 INFO L413 NwaCegarLoop]: 107 mSDtfsCounter, 62 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-02 20:44:11,885 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 179 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-02 20:44:11,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2022-11-02 20:44:11,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 123. [2022-11-02 20:44:11,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 88 states have (on average 1.3295454545454546) internal successors, (117), 99 states have internal predecessors, (117), 20 states have call successors, (20), 14 states have call predecessors, (20), 14 states have return successors, (20), 15 states have call predecessors, (20), 20 states have call successors, (20) [2022-11-02 20:44:11,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 157 transitions. [2022-11-02 20:44:11,934 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 157 transitions. Word has length 31 [2022-11-02 20:44:11,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:44:11,934 INFO L495 AbstractCegarLoop]: Abstraction has 123 states and 157 transitions. [2022-11-02 20:44:11,935 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:44:11,935 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 157 transitions. [2022-11-02 20:44:11,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2022-11-02 20:44:11,939 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:44:11,940 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-02 20:44:11,940 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-02 20:44:11,940 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:44:11,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:44:11,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1792730875, now seen corresponding path program 1 times [2022-11-02 20:44:11,944 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:44:11,944 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1221975761] [2022-11-02 20:44:11,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:11,945 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:44:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:12,124 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2022-11-02 20:44:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:12,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:44:12,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:44:12,146 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1221975761] [2022-11-02 20:44:12,146 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1221975761] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:44:12,146 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:44:12,147 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:44:12,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535860789] [2022-11-02 20:44:12,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:44:12,148 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:44:12,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:44:12,149 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:44:12,149 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:44:12,150 INFO L87 Difference]: Start difference. First operand 123 states and 157 transitions. Second operand has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:44:12,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:44:12,355 INFO L93 Difference]: Finished difference Result 351 states and 456 transitions. [2022-11-02 20:44:12,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-02 20:44:12,356 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 34 [2022-11-02 20:44:12,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:44:12,360 INFO L225 Difference]: With dead ends: 351 [2022-11-02 20:44:12,365 INFO L226 Difference]: Without dead ends: 236 [2022-11-02 20:44:12,367 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:44:12,369 INFO L413 NwaCegarLoop]: 92 mSDtfsCounter, 53 mSDsluCounter, 319 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:44:12,370 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 411 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:44:12,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2022-11-02 20:44:12,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 230. [2022-11-02 20:44:12,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 161 states have (on average 1.31055900621118) internal successors, (211), 182 states have internal predecessors, (211), 40 states have call successors, (40), 28 states have call predecessors, (40), 28 states have return successors, (42), 30 states have call predecessors, (42), 40 states have call successors, (42) [2022-11-02 20:44:12,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 293 transitions. [2022-11-02 20:44:12,407 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 293 transitions. Word has length 34 [2022-11-02 20:44:12,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:44:12,408 INFO L495 AbstractCegarLoop]: Abstraction has 230 states and 293 transitions. [2022-11-02 20:44:12,408 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.166666666666667) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2022-11-02 20:44:12,408 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 293 transitions. [2022-11-02 20:44:12,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2022-11-02 20:44:12,411 INFO L187 NwaCegarLoop]: Found error trace [2022-11-02 20:44:12,411 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, 1, 1, 1] [2022-11-02 20:44:12,411 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-02 20:44:12,412 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-02 20:44:12,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-02 20:44:12,413 INFO L85 PathProgramCache]: Analyzing trace with hash 847775393, now seen corresponding path program 1 times [2022-11-02 20:44:12,413 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-02 20:44:12,413 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155683430] [2022-11-02 20:44:12,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-02 20:44:12,414 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-02 20:44:12,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:12,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14 [2022-11-02 20:44:12,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:12,582 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2022-11-02 20:44:12,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-02 20:44:12,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-02 20:44:12,588 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-02 20:44:12,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155683430] [2022-11-02 20:44:12,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155683430] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-02 20:44:12,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-02 20:44:12,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-02 20:44:12,590 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1380636142] [2022-11-02 20:44:12,590 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-02 20:44:12,591 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-02 20:44:12,591 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-02 20:44:12,591 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-02 20:44:12,592 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-02 20:44:12,592 INFO L87 Difference]: Start difference. First operand 230 states and 293 transitions. Second operand has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:44:12,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-02 20:44:12,814 INFO L93 Difference]: Finished difference Result 390 states and 499 transitions. [2022-11-02 20:44:12,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-02 20:44:12,815 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 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 38 [2022-11-02 20:44:12,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-02 20:44:12,817 INFO L225 Difference]: With dead ends: 390 [2022-11-02 20:44:12,817 INFO L226 Difference]: Without dead ends: 0 [2022-11-02 20:44:12,820 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-02 20:44:12,829 INFO L413 NwaCegarLoop]: 49 mSDtfsCounter, 49 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-02 20:44:12,830 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 132 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-02 20:44:12,834 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-02 20:44:12,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-02 20:44:12,835 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) [2022-11-02 20:44:12,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-02 20:44:12,835 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 38 [2022-11-02 20:44:12,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-02 20:44:12,838 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-02 20:44:12,839 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.5) internal successors, (33), 5 states have internal predecessors, (33), 1 states have call successors, (3), 3 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-02 20:44:12,839 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-02 20:44:12,839 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-02 20:44:12,843 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-02 20:44:12,843 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-02 20:44:12,846 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-02 20:44:13,528 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 741 748) the Hoare annotation is: true [2022-11-02 20:44:13,528 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 741 748) no Hoare annotation was computed. [2022-11-02 20:44:13,528 INFO L899 garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 741 748) no Hoare annotation was computed. [2022-11-02 20:44:13,529 INFO L895 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 495 506) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2022-11-02 20:44:13,529 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 495 506) no Hoare annotation was computed. [2022-11-02 20:44:13,529 INFO L899 garLoopResultBuilder]: For program point L499-1(lines 495 506) no Hoare annotation was computed. [2022-11-02 20:44:13,529 INFO L899 garLoopResultBuilder]: For program point L919(lines 919 929) no Hoare annotation was computed. [2022-11-02 20:44:13,530 INFO L899 garLoopResultBuilder]: For program point L663-1(lines 662 681) no Hoare annotation was computed. [2022-11-02 20:44:13,530 INFO L899 garLoopResultBuilder]: For program point L915(lines 915 932) no Hoare annotation was computed. [2022-11-02 20:44:13,530 INFO L895 garLoopResultBuilder]: At program point L915-1(lines 907 935) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (= ~pumpRunning~0 0)) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= |timeShift___utac_acc__Specification2_spec__2_~tmp~7#1| 0)))) [2022-11-02 20:44:13,530 INFO L899 garLoopResultBuilder]: For program point timeShiftFINAL(lines 659 682) no Hoare annotation was computed. [2022-11-02 20:44:13,531 INFO L895 garLoopResultBuilder]: At program point L705(line 705) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-02 20:44:13,531 INFO L895 garLoopResultBuilder]: At program point L701(line 701) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-02 20:44:13,531 INFO L895 garLoopResultBuilder]: At program point L697(line 697) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-02 20:44:13,531 INFO L899 garLoopResultBuilder]: For program point L697-1(line 697) no Hoare annotation was computed. [2022-11-02 20:44:13,531 INFO L899 garLoopResultBuilder]: For program point L920(lines 920 926) no Hoare annotation was computed. [2022-11-02 20:44:13,532 INFO L899 garLoopResultBuilder]: For program point L458(line 458) no Hoare annotation was computed. [2022-11-02 20:44:13,532 INFO L895 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-02 20:44:13,532 INFO L895 garLoopResultBuilder]: At program point L710-1(lines 691 715) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-02 20:44:13,532 INFO L899 garLoopResultBuilder]: For program point L475(lines 475 479) no Hoare annotation was computed. [2022-11-02 20:44:13,533 INFO L895 garLoopResultBuilder]: At program point L475-2(lines 471 482) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-02 20:44:13,533 INFO L895 garLoopResultBuilder]: At program point L913(line 913) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-02 20:44:13,533 INFO L899 garLoopResultBuilder]: For program point L913-1(line 913) no Hoare annotation was computed. [2022-11-02 20:44:13,533 INFO L895 garLoopResultBuilder]: At program point L459(lines 454 461) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-02 20:44:13,534 INFO L899 garLoopResultBuilder]: For program point L670-1(lines 670 676) no Hoare annotation was computed. [2022-11-02 20:44:13,534 INFO L895 garLoopResultBuilder]: At program point L765(lines 760 768) the Hoare annotation is: (let ((.cse0 (not (= |old(~pumpRunning~0)| 0)))) (and (or .cse0 (not (= ~methaneLevelCritical~0 0))) (or .cse0 (and (= ~pumpRunning~0 0) (= |timeShift_isPumpRunning_#res#1| 0))))) [2022-11-02 20:44:13,534 INFO L899 garLoopResultBuilder]: For program point L699(lines 699 707) no Hoare annotation was computed. [2022-11-02 20:44:13,534 INFO L899 garLoopResultBuilder]: For program point L695(lines 695 712) no Hoare annotation was computed. [2022-11-02 20:44:13,535 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 659 682) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-02 20:44:13,535 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 659 682) no Hoare annotation was computed. [2022-11-02 20:44:13,535 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 458) no Hoare annotation was computed. [2022-11-02 20:44:13,535 INFO L902 garLoopResultBuilder]: At program point L576(lines 551 580) the Hoare annotation is: true [2022-11-02 20:44:13,535 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 551 580) no Hoare annotation was computed. [2022-11-02 20:44:13,536 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 551 580) the Hoare annotation is: true [2022-11-02 20:44:13,536 INFO L899 garLoopResultBuilder]: For program point L572(line 572) no Hoare annotation was computed. [2022-11-02 20:44:13,536 INFO L899 garLoopResultBuilder]: For program point L565(lines 565 569) no Hoare annotation was computed. [2022-11-02 20:44:13,536 INFO L902 garLoopResultBuilder]: At program point L565-1(lines 565 569) the Hoare annotation is: true [2022-11-02 20:44:13,536 INFO L899 garLoopResultBuilder]: For program point L562(line 562) no Hoare annotation was computed. [2022-11-02 20:44:13,537 INFO L902 garLoopResultBuilder]: At program point L561-2(lines 561 575) the Hoare annotation is: true [2022-11-02 20:44:13,537 INFO L902 garLoopResultBuilder]: At program point L557(line 557) the Hoare annotation is: true [2022-11-02 20:44:13,537 INFO L899 garLoopResultBuilder]: For program point L557-1(line 557) no Hoare annotation was computed. [2022-11-02 20:44:13,537 INFO L902 garLoopResultBuilder]: At program point isMethaneLevelCriticalENTRY(lines 507 515) the Hoare annotation is: true [2022-11-02 20:44:13,538 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 507 515) no Hoare annotation was computed. [2022-11-02 20:44:13,538 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 507 515) no Hoare annotation was computed. [2022-11-02 20:44:13,538 INFO L895 garLoopResultBuilder]: At program point L861(line 861) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-02 20:44:13,538 INFO L895 garLoopResultBuilder]: At program point L886(lines 839 888) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-02 20:44:13,538 INFO L899 garLoopResultBuilder]: For program point L849(lines 849 855) no Hoare annotation was computed. [2022-11-02 20:44:13,539 INFO L899 garLoopResultBuilder]: For program point L849-1(lines 849 855) no Hoare annotation was computed. [2022-11-02 20:44:13,539 INFO L899 garLoopResultBuilder]: For program point L841(lines 841 845) no Hoare annotation was computed. [2022-11-02 20:44:13,539 INFO L895 garLoopResultBuilder]: At program point L610(lines 606 612) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-02 20:44:13,539 INFO L899 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2022-11-02 20:44:13,539 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2022-11-02 20:44:13,540 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2022-11-02 20:44:13,540 INFO L895 garLoopResultBuilder]: At program point L825(lines 820 827) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-02 20:44:13,540 INFO L895 garLoopResultBuilder]: At program point L817(lines 805 819) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-02 20:44:13,540 INFO L902 garLoopResultBuilder]: At program point L623(lines 615 625) the Hoare annotation is: true [2022-11-02 20:44:13,541 INFO L899 garLoopResultBuilder]: For program point L809(lines 809 815) no Hoare annotation was computed. [2022-11-02 20:44:13,541 INFO L895 garLoopResultBuilder]: At program point L904(lines 899 906) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-02 20:44:13,541 INFO L899 garLoopResultBuilder]: For program point L809-1(lines 809 815) no Hoare annotation was computed. [2022-11-02 20:44:13,541 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-02 20:44:13,542 INFO L899 garLoopResultBuilder]: For program point L636(lines 636 643) no Hoare annotation was computed. [2022-11-02 20:44:13,542 INFO L902 garLoopResultBuilder]: At program point L892(lines 829 896) the Hoare annotation is: true [2022-11-02 20:44:13,542 INFO L899 garLoopResultBuilder]: For program point L859(lines 859 865) no Hoare annotation was computed. [2022-11-02 20:44:13,542 INFO L899 garLoopResultBuilder]: For program point L859-1(lines 859 865) no Hoare annotation was computed. [2022-11-02 20:44:13,542 INFO L899 garLoopResultBuilder]: For program point L636-2(lines 636 643) no Hoare annotation was computed. [2022-11-02 20:44:13,543 INFO L895 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-02 20:44:13,543 INFO L895 garLoopResultBuilder]: At program point L851(line 851) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-02 20:44:13,543 INFO L895 garLoopResultBuilder]: At program point L75(lines 71 77) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-02 20:44:13,543 INFO L902 garLoopResultBuilder]: At program point L645(lines 626 648) the Hoare annotation is: true [2022-11-02 20:44:13,544 INFO L895 garLoopResultBuilder]: At program point L889(lines 838 890) the Hoare annotation is: false [2022-11-02 20:44:13,544 INFO L899 garLoopResultBuilder]: For program point L877(lines 877 883) no Hoare annotation was computed. [2022-11-02 20:44:13,544 INFO L895 garLoopResultBuilder]: At program point L811(line 811) the Hoare annotation is: false [2022-11-02 20:44:13,544 INFO L895 garLoopResultBuilder]: At program point L877-2(lines 869 884) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-02 20:44:13,545 INFO L899 garLoopResultBuilder]: For program point L840(lines 839 888) no Hoare annotation was computed. [2022-11-02 20:44:13,545 INFO L899 garLoopResultBuilder]: For program point L869(lines 869 884) no Hoare annotation was computed. [2022-11-02 20:44:13,545 INFO L895 garLoopResultBuilder]: At program point L68(lines 64 70) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0)) [2022-11-02 20:44:13,545 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 483 494) no Hoare annotation was computed. [2022-11-02 20:44:13,545 INFO L899 garLoopResultBuilder]: For program point L487-1(lines 483 494) no Hoare annotation was computed. [2022-11-02 20:44:13,546 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 483 494) the Hoare annotation is: true [2022-11-02 20:44:13,546 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 683 689) no Hoare annotation was computed. [2022-11-02 20:44:13,546 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 683 689) the Hoare annotation is: true [2022-11-02 20:44:13,546 INFO L899 garLoopResultBuilder]: For program point L754-1(line 754) no Hoare annotation was computed. [2022-11-02 20:44:13,546 INFO L902 garLoopResultBuilder]: At program point isMethaneAlarmENTRY(lines 749 759) the Hoare annotation is: true [2022-11-02 20:44:13,547 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 749 759) no Hoare annotation was computed. [2022-11-02 20:44:13,547 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 749 759) no Hoare annotation was computed. [2022-11-02 20:44:13,547 INFO L902 garLoopResultBuilder]: At program point L754(line 754) the Hoare annotation is: true [2022-11-02 20:44:13,551 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2022-11-02 20:44:13,554 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-02 20:44:13,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.11 08:44:13 BoogieIcfgContainer [2022-11-02 20:44:13,579 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-02 20:44:13,580 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-02 20:44:13,580 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-02 20:44:13,581 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-02 20:44:13,581 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:44:10" (3/4) ... [2022-11-02 20:44:13,587 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-02 20:44:13,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-02 20:44:13,599 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-02 20:44:13,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-02 20:44:13,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-02 20:44:13,600 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2022-11-02 20:44:13,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-02 20:44:13,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2022-11-02 20:44:13,601 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2022-11-02 20:44:13,618 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 47 nodes and edges [2022-11-02 20:44:13,623 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2022-11-02 20:44:13,623 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-02 20:44:13,624 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-02 20:44:13,624 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-02 20:44:13,625 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:44:13,625 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-02 20:44:13,664 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-02 20:44:13,665 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-02 20:44:13,666 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) [2022-11-02 20:44:13,666 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) [2022-11-02 20:44:13,667 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-02 20:44:13,691 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8322ae-570c-4fe2-896b-83b192f6500b/bin/uautomizer-Dbtcem3rbc/witness.graphml [2022-11-02 20:44:13,691 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-02 20:44:13,692 INFO L158 Benchmark]: Toolchain (without parser) took 4785.35ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 82.7MB in the beginning and 98.9MB in the end (delta: -16.1MB). Peak memory consumption was 27.6MB. Max. memory is 16.1GB. [2022-11-02 20:44:13,692 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 121.6MB. Free memory was 91.6MB in the beginning and 91.6MB in the end (delta: 24.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-02 20:44:13,693 INFO L158 Benchmark]: CACSL2BoogieTranslator took 736.72ms. Allocated memory is still 121.6MB. Free memory was 82.6MB in the beginning and 85.1MB in the end (delta: -2.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-02 20:44:13,693 INFO L158 Benchmark]: Boogie Procedure Inliner took 62.25ms. Allocated memory is still 121.6MB. Free memory was 85.1MB in the beginning and 82.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:44:13,694 INFO L158 Benchmark]: Boogie Preprocessor took 75.11ms. Allocated memory is still 121.6MB. Free memory was 82.7MB in the beginning and 81.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-02 20:44:13,694 INFO L158 Benchmark]: RCFGBuilder took 752.23ms. Allocated memory is still 121.6MB. Free memory was 81.1MB in the beginning and 63.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-11-02 20:44:13,695 INFO L158 Benchmark]: TraceAbstraction took 3037.83ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 63.3MB in the beginning and 104.1MB in the end (delta: -40.8MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. [2022-11-02 20:44:13,695 INFO L158 Benchmark]: Witness Printer took 111.28ms. Allocated memory is still 165.7MB. Free memory was 104.1MB in the beginning and 98.9MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-11-02 20:44:13,698 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 121.6MB. Free memory was 91.6MB in the beginning and 91.6MB in the end (delta: 24.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 736.72ms. Allocated memory is still 121.6MB. Free memory was 82.6MB in the beginning and 85.1MB in the end (delta: -2.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 62.25ms. Allocated memory is still 121.6MB. Free memory was 85.1MB in the beginning and 82.7MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 75.11ms. Allocated memory is still 121.6MB. Free memory was 82.7MB in the beginning and 81.1MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 752.23ms. Allocated memory is still 121.6MB. Free memory was 81.1MB in the beginning and 63.8MB in the end (delta: 17.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 3037.83ms. Allocated memory was 121.6MB in the beginning and 165.7MB in the end (delta: 44.0MB). Free memory was 63.3MB in the beginning and 104.1MB in the end (delta: -40.8MB). Peak memory consumption was 4.8MB. Max. memory is 16.1GB. * Witness Printer took 111.28ms. Allocated memory is still 165.7MB. Free memory was 104.1MB in the beginning and 98.9MB in the end (delta: 5.2MB). 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: 458]: 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, 86 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.9s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 189 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 181 mSDsluCounter, 974 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 536 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 438 mSDtfsCounter, 122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=230occurred in iteration=4, InterpolantAutomatonStates: 22, 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, 5 MinimizatonAttempts, 9 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 305 PreInvPairs, 349 NumberOfFragments, 214 HoareAnnotationTreeSize, 305 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 39 FomulaSimplificationsInter, 883 FormulaSimplificationTreeSizeReductionInter, 0.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 154 NumberOfCodeBlocks, 154 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 307 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 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: 551]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 907]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || pumpRunning == 0) && ((!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) || tmp == 0) - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 615]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 760]: Loop Invariant Derived loop invariant: (!(\old(pumpRunning) == 0) || !(methaneLevelCritical == 0)) && (!(\old(pumpRunning) == 0) || (pumpRunning == 0 && \result == 0)) - InvariantResult [Line: 899]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 820]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && splverifierCounter == 0 - InvariantResult [Line: 838]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 805]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 561]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 71]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive - InvariantResult [Line: 454]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 471]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 839]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 626]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2022-11-02 20:44:13,758 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4e8322ae-570c-4fe2-896b-83b192f6500b/bin/uautomizer-Dbtcem3rbc/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