./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product07.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_f62cfb6d-c083-44c2-8539-415a7fbc9369/bin/utaipan-7li7fVZpFI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62cfb6d-c083-44c2-8539-415a7fbc9369/bin/utaipan-7li7fVZpFI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62cfb6d-c083-44c2-8539-415a7fbc9369/bin/utaipan-7li7fVZpFI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62cfb6d-c083-44c2-8539-415a7fbc9369/bin/utaipan-7li7fVZpFI/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62cfb6d-c083-44c2-8539-415a7fbc9369/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62cfb6d-c083-44c2-8539-415a7fbc9369/bin/utaipan-7li7fVZpFI --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 005abaec2a454c7fb65798a6dda24f313852a7f1e057438fd3d0e339e7c67228 --- 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 [2022-11-03 02:08:18,244 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-03 02:08:18,247 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-03 02:08:18,300 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-03 02:08:18,300 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-03 02:08:18,305 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-03 02:08:18,307 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-03 02:08:18,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-03 02:08:18,317 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-03 02:08:18,322 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-03 02:08:18,323 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-03 02:08:18,324 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-03 02:08:18,325 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-03 02:08:18,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-03 02:08:18,330 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-03 02:08:18,332 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-03 02:08:18,334 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-03 02:08:18,335 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-03 02:08:18,338 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-03 02:08:18,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-03 02:08:18,347 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-03 02:08:18,349 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-03 02:08:18,353 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-03 02:08:18,354 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-03 02:08:18,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-03 02:08:18,365 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-03 02:08:18,365 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-03 02:08:18,366 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-03 02:08:18,367 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-03 02:08:18,368 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-03 02:08:18,368 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-03 02:08:18,369 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-03 02:08:18,370 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-03 02:08:18,370 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-03 02:08:18,372 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-03 02:08:18,372 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-03 02:08:18,373 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-03 02:08:18,373 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-03 02:08:18,373 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-03 02:08:18,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-03 02:08:18,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-03 02:08:18,376 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62cfb6d-c083-44c2-8539-415a7fbc9369/bin/utaipan-7li7fVZpFI/config/svcomp-Reach-32bit-Taipan_Default.epf [2022-11-03 02:08:18,411 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-03 02:08:18,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-03 02:08:18,411 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-03 02:08:18,412 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-03 02:08:18,413 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-03 02:08:18,413 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-03 02:08:18,413 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-03 02:08:18,413 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-03 02:08:18,413 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-03 02:08:18,414 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-03 02:08:18,415 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-03 02:08:18,415 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-03 02:08:18,415 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-03 02:08:18,415 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-03 02:08:18,416 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-03 02:08:18,416 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-03 02:08:18,416 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-03 02:08:18,416 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-03 02:08:18,417 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-03 02:08:18,417 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-03 02:08:18,417 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-03 02:08:18,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-03 02:08:18,418 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-03 02:08:18,418 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-03 02:08:18,418 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-03 02:08:18,418 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-03 02:08:18,419 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-03 02:08:18,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-03 02:08:18,419 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-03 02:08:18,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-03 02:08:18,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-03 02:08:18,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-03 02:08:18,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:08:18,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-03 02:08:18,421 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-03 02:08:18,421 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-03 02:08:18,421 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-03 02:08:18,421 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-03 02:08:18,421 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-03 02:08:18,422 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-03 02:08:18,422 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-03 02:08:18,422 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_f62cfb6d-c083-44c2-8539-415a7fbc9369/bin/utaipan-7li7fVZpFI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62cfb6d-c083-44c2-8539-415a7fbc9369/bin/utaipan-7li7fVZpFI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 005abaec2a454c7fb65798a6dda24f313852a7f1e057438fd3d0e339e7c67228 [2022-11-03 02:08:18,676 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-03 02:08:18,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-03 02:08:18,706 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-03 02:08:18,708 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-03 02:08:18,709 INFO L275 PluginConnector]: CDTParser initialized [2022-11-03 02:08:18,710 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62cfb6d-c083-44c2-8539-415a7fbc9369/bin/utaipan-7li7fVZpFI/../../sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c [2022-11-03 02:08:18,792 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62cfb6d-c083-44c2-8539-415a7fbc9369/bin/utaipan-7li7fVZpFI/data/61c98a7eb/4ef776cd4c8a4634a87f8e2198f178ea/FLAGad1b96977 [2022-11-03 02:08:19,364 INFO L306 CDTParser]: Found 1 translation units. [2022-11-03 02:08:19,365 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62cfb6d-c083-44c2-8539-415a7fbc9369/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c [2022-11-03 02:08:19,375 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62cfb6d-c083-44c2-8539-415a7fbc9369/bin/utaipan-7li7fVZpFI/data/61c98a7eb/4ef776cd4c8a4634a87f8e2198f178ea/FLAGad1b96977 [2022-11-03 02:08:19,697 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62cfb6d-c083-44c2-8539-415a7fbc9369/bin/utaipan-7li7fVZpFI/data/61c98a7eb/4ef776cd4c8a4634a87f8e2198f178ea [2022-11-03 02:08:19,702 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-03 02:08:19,705 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-03 02:08:19,709 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-03 02:08:19,709 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-03 02:08:19,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-03 02:08:19,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:08:19" (1/1) ... [2022-11-03 02:08:19,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16eaeb38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:19, skipping insertion in model container [2022-11-03 02:08:19,718 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.11 02:08:19" (1/1) ... [2022-11-03 02:08:19,725 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-03 02:08:19,783 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-03 02:08:20,061 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_f62cfb6d-c083-44c2-8539-415a7fbc9369/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c[7574,7587] [2022-11-03 02:08:20,159 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:08:20,177 INFO L203 MainTranslator]: Completed pre-run [2022-11-03 02:08:20,238 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_f62cfb6d-c083-44c2-8539-415a7fbc9369/sv-benchmarks/c/product-lines/minepump_spec5_product07.cil.c[7574,7587] [2022-11-03 02:08:20,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-03 02:08:20,305 INFO L208 MainTranslator]: Completed translation [2022-11-03 02:08:20,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:20 WrapperNode [2022-11-03 02:08:20,305 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-03 02:08:20,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-03 02:08:20,307 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-03 02:08:20,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-03 02:08:20,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:20" (1/1) ... [2022-11-03 02:08:20,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:20" (1/1) ... [2022-11-03 02:08:20,367 INFO L138 Inliner]: procedures = 53, calls = 153, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 221 [2022-11-03 02:08:20,367 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-03 02:08:20,368 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-03 02:08:20,368 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-03 02:08:20,368 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-03 02:08:20,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:20" (1/1) ... [2022-11-03 02:08:20,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:20" (1/1) ... [2022-11-03 02:08:20,400 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:20" (1/1) ... [2022-11-03 02:08:20,401 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:20" (1/1) ... [2022-11-03 02:08:20,406 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:20" (1/1) ... [2022-11-03 02:08:20,410 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:20" (1/1) ... [2022-11-03 02:08:20,411 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:20" (1/1) ... [2022-11-03 02:08:20,425 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:20" (1/1) ... [2022-11-03 02:08:20,427 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-03 02:08:20,428 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-03 02:08:20,428 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-03 02:08:20,429 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-03 02:08:20,430 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:20" (1/1) ... [2022-11-03 02:08:20,451 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-03 02:08:20,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62cfb6d-c083-44c2-8539-415a7fbc9369/bin/utaipan-7li7fVZpFI/z3 [2022-11-03 02:08:20,483 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62cfb6d-c083-44c2-8539-415a7fbc9369/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-03 02:08:20,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62cfb6d-c083-44c2-8539-415a7fbc9369/bin/utaipan-7li7fVZpFI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-03 02:08:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-03 02:08:20,527 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2022-11-03 02:08:20,528 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2022-11-03 02:08:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2022-11-03 02:08:20,528 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2022-11-03 02:08:20,528 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2022-11-03 02:08:20,528 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2022-11-03 02:08:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2022-11-03 02:08:20,529 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2022-11-03 02:08:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2022-11-03 02:08:20,529 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2022-11-03 02:08:20,529 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2022-11-03 02:08:20,529 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2022-11-03 02:08:20,530 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-03 02:08:20,530 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2022-11-03 02:08:20,530 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2022-11-03 02:08:20,530 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-03 02:08:20,530 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-03 02:08:20,636 INFO L235 CfgBuilder]: Building ICFG [2022-11-03 02:08:20,639 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-03 02:08:21,028 INFO L276 CfgBuilder]: Performing block encoding [2022-11-03 02:08:21,135 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-03 02:08:21,135 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-03 02:08:21,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:08:21 BoogieIcfgContainer [2022-11-03 02:08:21,140 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-03 02:08:21,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-03 02:08:21,147 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-03 02:08:21,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-03 02:08:21,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.11 02:08:19" (1/3) ... [2022-11-03 02:08:21,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185b5e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:08:21, skipping insertion in model container [2022-11-03 02:08:21,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.11 02:08:20" (2/3) ... [2022-11-03 02:08:21,153 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@185b5e21 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.11 02:08:21, skipping insertion in model container [2022-11-03 02:08:21,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:08:21" (3/3) ... [2022-11-03 02:08:21,157 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product07.cil.c [2022-11-03 02:08:21,176 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-03 02:08:21,176 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-11-03 02:08:21,227 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-03 02:08:21,235 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=FINITE_AUTOMATA, 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;@43c359c8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-03 02:08:21,235 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-11-03 02:08:21,240 INFO L276 IsEmpty]: Start isEmpty. Operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) [2022-11-03 02:08:21,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2022-11-03 02:08:21,250 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:08:21,251 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:08:21,251 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:08:21,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:08:21,258 INFO L85 PathProgramCache]: Analyzing trace with hash 361433954, now seen corresponding path program 1 times [2022-11-03 02:08:21,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:08:21,269 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1764261249] [2022-11-03 02:08:21,269 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:08:21,270 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:08:21,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:08:21,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:08:21,572 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:08:21,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1764261249] [2022-11-03 02:08:21,575 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1764261249] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:08:21,575 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:08:21,575 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-03 02:08:21,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482840127] [2022-11-03 02:08:21,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:08:21,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-11-03 02:08:21,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:08:21,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-11-03 02:08:21,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:08:21,623 INFO L87 Difference]: Start difference. First operand has 59 states, 38 states have (on average 1.4473684210526316) internal successors, (55), 45 states have internal predecessors, (55), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 10 states have call predecessors, (12), 12 states have call successors, (12) Second operand has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 02:08:21,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:08:21,734 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2022-11-03 02:08:21,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-11-03 02:08:21,736 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2022-11-03 02:08:21,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:08:21,745 INFO L225 Difference]: With dead ends: 116 [2022-11-03 02:08:21,746 INFO L226 Difference]: Without dead ends: 54 [2022-11-03 02:08:21,749 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-11-03 02:08:21,753 INFO L413 NwaCegarLoop]: 61 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:08:21,754 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 61 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:08:21,771 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2022-11-03 02:08:21,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54. [2022-11-03 02:08:21,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 54 states, 35 states have (on average 1.3428571428571427) internal successors, (47), 41 states have internal predecessors, (47), 12 states have call successors, (12), 7 states have call predecessors, (12), 6 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2022-11-03 02:08:21,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2022-11-03 02:08:21,797 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 21 [2022-11-03 02:08:21,798 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:08:21,798 INFO L495 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2022-11-03 02:08:21,798 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 7.0) internal successors, (14), 2 states have internal predecessors, (14), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 02:08:21,799 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2022-11-03 02:08:21,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-03 02:08:21,801 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:08:21,801 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:08:21,801 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-03 02:08:21,802 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:08:21,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:08:21,803 INFO L85 PathProgramCache]: Analyzing trace with hash -1563861956, now seen corresponding path program 1 times [2022-11-03 02:08:21,803 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:08:21,803 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [694174612] [2022-11-03 02:08:21,804 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:08:21,804 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:08:21,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:08:21,941 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:08:21,941 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:08:21,942 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [694174612] [2022-11-03 02:08:21,942 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [694174612] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:08:21,943 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:08:21,943 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:08:21,943 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1078480284] [2022-11-03 02:08:21,943 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:08:21,945 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:08:21,946 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:08:21,946 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:08:21,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:08:21,948 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 02:08:21,995 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:08:21,995 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2022-11-03 02:08:21,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:08:21,996 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 22 [2022-11-03 02:08:21,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:08:21,997 INFO L225 Difference]: With dead ends: 80 [2022-11-03 02:08:21,997 INFO L226 Difference]: Without dead ends: 46 [2022-11-03 02:08:21,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:08:21,999 INFO L413 NwaCegarLoop]: 47 mSDtfsCounter, 14 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:08:22,000 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 77 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:08:22,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2022-11-03 02:08:22,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 46. [2022-11-03 02:08:22,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 36 states have internal predecessors, (41), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2022-11-03 02:08:22,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 59 transitions. [2022-11-03 02:08:22,013 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 59 transitions. Word has length 22 [2022-11-03 02:08:22,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:08:22,014 INFO L495 AbstractCegarLoop]: Abstraction has 46 states and 59 transitions. [2022-11-03 02:08:22,015 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 02:08:22,016 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 59 transitions. [2022-11-03 02:08:22,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2022-11-03 02:08:22,019 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:08:22,019 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-03 02:08:22,019 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-03 02:08:22,020 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:08:22,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:08:22,021 INFO L85 PathProgramCache]: Analyzing trace with hash 2012227643, now seen corresponding path program 1 times [2022-11-03 02:08:22,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:08:22,022 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628967519] [2022-11-03 02:08:22,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:08:22,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:08:22,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:08:22,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-11-03 02:08:22,173 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:08:22,173 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628967519] [2022-11-03 02:08:22,173 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628967519] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:08:22,174 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:08:22,174 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-03 02:08:22,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133641656] [2022-11-03 02:08:22,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:08:22,176 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-11-03 02:08:22,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:08:22,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-03 02:08:22,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:08:22,177 INFO L87 Difference]: Start difference. First operand 46 states and 59 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:08:22,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:08:22,242 INFO L93 Difference]: Finished difference Result 134 states and 174 transitions. [2022-11-03 02:08:22,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-03 02:08:22,243 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 25 [2022-11-03 02:08:22,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:08:22,245 INFO L225 Difference]: With dead ends: 134 [2022-11-03 02:08:22,245 INFO L226 Difference]: Without dead ends: 90 [2022-11-03 02:08:22,246 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-03 02:08:22,247 INFO L413 NwaCegarLoop]: 64 mSDtfsCounter, 44 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 109 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2022-11-03 02:08:22,248 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 109 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2022-11-03 02:08:22,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2022-11-03 02:08:22,265 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2022-11-03 02:08:22,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 56 states have (on average 1.375) internal successors, (77), 67 states have internal predecessors, (77), 18 states have call successors, (18), 12 states have call predecessors, (18), 12 states have return successors, (18), 13 states have call predecessors, (18), 18 states have call successors, (18) [2022-11-03 02:08:22,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 113 transitions. [2022-11-03 02:08:22,267 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 113 transitions. Word has length 25 [2022-11-03 02:08:22,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:08:22,267 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 113 transitions. [2022-11-03 02:08:22,268 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2022-11-03 02:08:22,268 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 113 transitions. [2022-11-03 02:08:22,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2022-11-03 02:08:22,269 INFO L187 NwaCegarLoop]: Found error trace [2022-11-03 02:08:22,269 INFO L195 NwaCegarLoop]: trace histogram [2, 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] [2022-11-03 02:08:22,269 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-03 02:08:22,270 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-11-03 02:08:22,270 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-03 02:08:22,270 INFO L85 PathProgramCache]: Analyzing trace with hash 1169687054, now seen corresponding path program 1 times [2022-11-03 02:08:22,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-03 02:08:22,271 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695960764] [2022-11-03 02:08:22,271 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-03 02:08:22,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-03 02:08:22,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-03 02:08:22,507 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-11-03 02:08:22,507 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-03 02:08:22,507 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695960764] [2022-11-03 02:08:22,508 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695960764] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-03 02:08:22,508 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-03 02:08:22,508 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-11-03 02:08:22,508 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1043663212] [2022-11-03 02:08:22,508 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-03 02:08:22,509 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-03 02:08:22,510 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-03 02:08:22,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-03 02:08:22,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-11-03 02:08:22,511 INFO L87 Difference]: Start difference. First operand 87 states and 113 transitions. Second operand has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 02:08:22,699 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-03 02:08:22,699 INFO L93 Difference]: Finished difference Result 160 states and 207 transitions. [2022-11-03 02:08:22,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-03 02:08:22,700 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 28 [2022-11-03 02:08:22,700 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-03 02:08:22,700 INFO L225 Difference]: With dead ends: 160 [2022-11-03 02:08:22,701 INFO L226 Difference]: Without dead ends: 0 [2022-11-03 02:08:22,702 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2022-11-03 02:08:22,703 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 25 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 110 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2022-11-03 02:08:22,717 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 110 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2022-11-03 02:08:22,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-03 02:08:22,718 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-03 02:08:22,718 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) [2022-11-03 02:08:22,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-03 02:08:22,718 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 28 [2022-11-03 02:08:22,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-03 02:08:22,719 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-03 02:08:22,719 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2022-11-03 02:08:22,719 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-03 02:08:22,719 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-03 02:08:22,722 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-11-03 02:08:22,723 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-03 02:08:22,725 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2022-11-03 02:08:23,021 INFO L902 garLoopResultBuilder]: At program point deactivatePumpENTRY(lines 432 439) the Hoare annotation is: true [2022-11-03 02:08:23,021 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 432 439) no Hoare annotation was computed. [2022-11-03 02:08:23,021 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 391 397) no Hoare annotation was computed. [2022-11-03 02:08:23,021 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 391 397) the Hoare annotation is: true [2022-11-03 02:08:23,022 INFO L902 garLoopResultBuilder]: At program point changeMethaneLevelENTRY(lines 186 197) the Hoare annotation is: true [2022-11-03 02:08:23,022 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 186 197) no Hoare annotation was computed. [2022-11-03 02:08:23,022 INFO L895 garLoopResultBuilder]: At program point L378-1(lines 378 384) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-03 02:08:23,022 INFO L899 garLoopResultBuilder]: For program point L407(lines 407 415) no Hoare annotation was computed. [2022-11-03 02:08:23,022 INFO L895 garLoopResultBuilder]: At program point L403(lines 403 420) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-03 02:08:23,023 INFO L895 garLoopResultBuilder]: At program point L271(line 271) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-03 02:08:23,023 INFO L899 garLoopResultBuilder]: For program point L271-1(line 271) no Hoare annotation was computed. [2022-11-03 02:08:23,023 INFO L899 garLoopResultBuilder]: For program point L371-2(lines 367 389) no Hoare annotation was computed. [2022-11-03 02:08:23,023 INFO L895 garLoopResultBuilder]: At program point L516(line 516) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-03 02:08:23,023 INFO L895 garLoopResultBuilder]: At program point L256(line 256) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-03 02:08:23,023 INFO L895 garLoopResultBuilder]: At program point L256-1(line 256) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-03 02:08:23,024 INFO L895 garLoopResultBuilder]: At program point L413(line 413) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-03 02:08:23,024 INFO L895 garLoopResultBuilder]: At program point L409(line 409) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2022-11-03 02:08:23,024 INFO L899 garLoopResultBuilder]: For program point L273(lines 273 283) no Hoare annotation was computed. [2022-11-03 02:08:23,024 INFO L899 garLoopResultBuilder]: For program point L269(lines 269 286) no Hoare annotation was computed. [2022-11-03 02:08:23,024 INFO L895 garLoopResultBuilder]: At program point L269-1(lines 261 289) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-03 02:08:23,024 INFO L895 garLoopResultBuilder]: At program point L418(line 418) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-03 02:08:23,025 INFO L895 garLoopResultBuilder]: At program point L418-1(lines 399 423) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-03 02:08:23,025 INFO L899 garLoopResultBuilder]: For program point L274(lines 274 280) no Hoare annotation was computed. [2022-11-03 02:08:23,025 INFO L895 garLoopResultBuilder]: At program point timeShiftENTRY(lines 364 390) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2022-11-03 02:08:23,025 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 364 390) no Hoare annotation was computed. [2022-11-03 02:08:23,025 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2022-11-03 02:08:23,025 INFO L902 garLoopResultBuilder]: At program point L66-1(lines 66 70) the Hoare annotation is: true [2022-11-03 02:08:23,026 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 52 81) no Hoare annotation was computed. [2022-11-03 02:08:23,026 INFO L902 garLoopResultBuilder]: At program point cleanupENTRY(lines 52 81) the Hoare annotation is: true [2022-11-03 02:08:23,026 INFO L902 garLoopResultBuilder]: At program point L62-2(lines 62 76) the Hoare annotation is: true [2022-11-03 02:08:23,026 INFO L902 garLoopResultBuilder]: At program point L58(line 58) the Hoare annotation is: true [2022-11-03 02:08:23,026 INFO L899 garLoopResultBuilder]: For program point L58-1(line 58) no Hoare annotation was computed. [2022-11-03 02:08:23,026 INFO L902 garLoopResultBuilder]: At program point L77(lines 52 81) the Hoare annotation is: true [2022-11-03 02:08:23,027 INFO L899 garLoopResultBuilder]: For program point L73(line 73) no Hoare annotation was computed. [2022-11-03 02:08:23,027 INFO L899 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2022-11-03 02:08:23,027 INFO L902 garLoopResultBuilder]: At program point L353(lines 292 357) the Hoare annotation is: true [2022-11-03 02:08:23,027 INFO L899 garLoopResultBuilder]: For program point L312(lines 312 318) no Hoare annotation was computed. [2022-11-03 02:08:23,027 INFO L899 garLoopResultBuilder]: For program point L312-1(lines 312 318) no Hoare annotation was computed. [2022-11-03 02:08:23,027 INFO L895 garLoopResultBuilder]: At program point L502(line 502) the Hoare annotation is: false [2022-11-03 02:08:23,027 INFO L895 garLoopResultBuilder]: At program point L350(lines 301 351) the Hoare annotation is: false [2022-11-03 02:08:23,028 INFO L902 garLoopResultBuilder]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2022-11-03 02:08:23,028 INFO L899 garLoopResultBuilder]: For program point L338(lines 338 344) no Hoare annotation was computed. [2022-11-03 02:08:23,028 INFO L895 garLoopResultBuilder]: At program point L338-2(lines 332 345) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-03 02:08:23,028 INFO L899 garLoopResultBuilder]: For program point L322(lines 322 328) no Hoare annotation was computed. [2022-11-03 02:08:23,028 INFO L899 garLoopResultBuilder]: For program point L322-1(lines 322 328) no Hoare annotation was computed. [2022-11-03 02:08:23,028 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2022-11-03 02:08:23,029 INFO L895 garLoopResultBuilder]: At program point L347(lines 302 349) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-03 02:08:23,029 INFO L895 garLoopResultBuilder]: At program point L314(line 314) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-03 02:08:23,029 INFO L899 garLoopResultBuilder]: For program point L500(lines 500 506) no Hoare annotation was computed. [2022-11-03 02:08:23,029 INFO L895 garLoopResultBuilder]: At program point L500-1(lines 500 506) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-03 02:08:23,029 INFO L899 garLoopResultBuilder]: For program point L303(lines 302 349) no Hoare annotation was computed. [2022-11-03 02:08:23,029 INFO L895 garLoopResultBuilder]: At program point L142(lines 142 149) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0)) [2022-11-03 02:08:23,030 INFO L899 garLoopResultBuilder]: For program point L332(lines 332 345) no Hoare annotation was computed. [2022-11-03 02:08:23,030 INFO L902 garLoopResultBuilder]: At program point L142-2(lines 142 149) the Hoare annotation is: true [2022-11-03 02:08:23,030 INFO L895 garLoopResultBuilder]: At program point L324(line 324) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2022-11-03 02:08:23,030 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 174 185) no Hoare annotation was computed. [2022-11-03 02:08:23,030 INFO L902 garLoopResultBuilder]: At program point waterRiseENTRY(lines 174 185) the Hoare annotation is: true [2022-11-03 02:08:23,030 INFO L899 garLoopResultBuilder]: For program point isPumpRunningEXIT(lines 451 459) no Hoare annotation was computed. [2022-11-03 02:08:23,031 INFO L902 garLoopResultBuilder]: At program point isPumpRunningENTRY(lines 451 459) the Hoare annotation is: true [2022-11-03 02:08:23,050 INFO L444 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-11-03 02:08:23,053 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-03 02:08:23,084 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.11 02:08:23 BoogieIcfgContainer [2022-11-03 02:08:23,084 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-03 02:08:23,085 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-03 02:08:23,085 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-03 02:08:23,085 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-03 02:08:23,086 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.11 02:08:21" (3/4) ... [2022-11-03 02:08:23,089 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-03 02:08:23,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2022-11-03 02:08:23,104 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2022-11-03 02:08:23,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2022-11-03 02:08:23,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2022-11-03 02:08:23,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2022-11-03 02:08:23,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2022-11-03 02:08:23,105 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure isPumpRunning [2022-11-03 02:08:23,112 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 69 nodes and edges [2022-11-03 02:08:23,128 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges [2022-11-03 02:08:23,129 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2022-11-03 02:08:23,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2022-11-03 02:08:23,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-03 02:08:23,131 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:08:23,131 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2022-11-03 02:08:23,166 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-03 02:08:23,181 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-03 02:08:23,181 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-03 02:08:23,181 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-03 02:08:23,182 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) [2022-11-03 02:08:23,182 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: !(\old(pumpRunning) == 0) || pumpRunning == 0 [2022-11-03 02:08:23,229 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62cfb6d-c083-44c2-8539-415a7fbc9369/bin/utaipan-7li7fVZpFI/witness.graphml [2022-11-03 02:08:23,229 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-03 02:08:23,230 INFO L158 Benchmark]: Toolchain (without parser) took 3524.86ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 59.7MB in the beginning and 61.3MB in the end (delta: -1.6MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2022-11-03 02:08:23,230 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 94.4MB. Free memory was 50.8MB in the beginning and 50.7MB in the end (delta: 46.4kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:08:23,231 INFO L158 Benchmark]: CACSL2BoogieTranslator took 597.11ms. Allocated memory is still 94.4MB. Free memory was 59.5MB in the beginning and 59.7MB in the end (delta: -170.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-03 02:08:23,231 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.98ms. Allocated memory is still 94.4MB. Free memory was 59.4MB in the beginning and 57.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-03 02:08:23,231 INFO L158 Benchmark]: Boogie Preprocessor took 59.66ms. Allocated memory is still 94.4MB. Free memory was 57.3MB in the beginning and 55.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-03 02:08:23,232 INFO L158 Benchmark]: RCFGBuilder took 715.87ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 55.5MB in the beginning and 82.0MB in the end (delta: -26.5MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. [2022-11-03 02:08:23,232 INFO L158 Benchmark]: TraceAbstraction took 1938.09ms. Allocated memory is still 119.5MB. Free memory was 81.4MB in the beginning and 66.7MB in the end (delta: 14.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2022-11-03 02:08:23,233 INFO L158 Benchmark]: Witness Printer took 143.99ms. Allocated memory is still 119.5MB. Free memory was 66.7MB in the beginning and 61.3MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-03 02:08:23,245 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21ms. Allocated memory is still 94.4MB. Free memory was 50.8MB in the beginning and 50.7MB in the end (delta: 46.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 597.11ms. Allocated memory is still 94.4MB. Free memory was 59.5MB in the beginning and 59.7MB in the end (delta: -170.5kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.98ms. Allocated memory is still 94.4MB. Free memory was 59.4MB in the beginning and 57.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.66ms. Allocated memory is still 94.4MB. Free memory was 57.3MB in the beginning and 55.5MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 715.87ms. Allocated memory was 94.4MB in the beginning and 119.5MB in the end (delta: 25.2MB). Free memory was 55.5MB in the beginning and 82.0MB in the end (delta: -26.5MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1938.09ms. Allocated memory is still 119.5MB. Free memory was 81.4MB in the beginning and 66.7MB in the end (delta: 14.7MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. * Witness Printer took 143.99ms. Allocated memory is still 119.5MB. Free memory was 66.7MB in the beginning and 61.3MB in the end (delta: 5.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 516]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 8 procedures, 59 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 4, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 88 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 83 mSDsluCounter, 357 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 195 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 132 IncrementalHoareTripleChecker+Invalid, 136 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 203 mSDtfsCounter, 132 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=87occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 33 LocationsWithAnnotation, 188 PreInvPairs, 210 NumberOfFragments, 141 HoareAnnotationTreeSize, 188 FomulaSimplifications, 16 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 33 FomulaSimplificationsInter, 297 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 96 NumberOfCodeBlocks, 96 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 92 ConstructedInterpolants, 0 QuantifiedInterpolants, 166 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 8/8 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: 378]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: -1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 500]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 261]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 301]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 516]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 256]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 292]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 62]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 302]: Loop Invariant Derived loop invariant: pumpRunning == 0 && splverifierCounter == 0 - InvariantResult [Line: 142]: Loop Invariant Derived loop invariant: pumpRunning == 0 && 1 == systemActive - InvariantResult [Line: 403]: Loop Invariant Derived loop invariant: !(\old(pumpRunning) == 0) || pumpRunning == 0 RESULT: Ultimate proved your program to be correct! [2022-11-03 02:08:23,290 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f62cfb6d-c083-44c2-8539-415a7fbc9369/bin/utaipan-7li7fVZpFI/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