./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 30e01a73 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94625af9-5553-47c9-8258-95d0135f3f92/bin/utaipan-verify-mE87zJ7Ire/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94625af9-5553-47c9-8258-95d0135f3f92/bin/utaipan-verify-mE87zJ7Ire/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94625af9-5553-47c9-8258-95d0135f3f92/bin/utaipan-verify-mE87zJ7Ire/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94625af9-5553-47c9-8258-95d0135f3f92/bin/utaipan-verify-mE87zJ7Ire/config/TaipanReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94625af9-5553-47c9-8258-95d0135f3f92/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94625af9-5553-47c9-8258-95d0135f3f92/bin/utaipan-verify-mE87zJ7Ire --witnessprinter.witness.filename witness --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 7491e9e7e66695ce6d97d4c4c38cf37fc3e1ef2df09eb8fb958f4ec180b71f50 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-30e01a7 [2023-11-23 21:29:44,140 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-23 21:29:44,265 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94625af9-5553-47c9-8258-95d0135f3f92/bin/utaipan-verify-mE87zJ7Ire/config/svcomp-Reach-32bit-Taipan_Default.epf [2023-11-23 21:29:44,273 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-23 21:29:44,273 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-23 21:29:44,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-23 21:29:44,322 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-23 21:29:44,324 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-23 21:29:44,325 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-23 21:29:44,331 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-23 21:29:44,332 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-23 21:29:44,333 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-23 21:29:44,334 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-23 21:29:44,337 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-23 21:29:44,337 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-23 21:29:44,338 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-23 21:29:44,338 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-23 21:29:44,339 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-23 21:29:44,339 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-23 21:29:44,340 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-23 21:29:44,340 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-23 21:29:44,341 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-23 21:29:44,342 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-23 21:29:44,343 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-23 21:29:44,344 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-23 21:29:44,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-23 21:29:44,345 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-23 21:29:44,345 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-23 21:29:44,346 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-23 21:29:44,346 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-23 21:29:44,347 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-23 21:29:44,347 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-23 21:29:44,348 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-23 21:29:44,348 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-23 21:29:44,348 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-23 21:29:44,349 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-23 21:29:44,349 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-23 21:29:44,349 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:44,350 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-23 21:29:44,350 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-23 21:29:44,350 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-23 21:29:44,351 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-23 21:29:44,351 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-23 21:29:44,352 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-23 21:29:44,352 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-23 21:29:44,352 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-23 21:29:44,352 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-23 21:29:44,353 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_94625af9-5553-47c9-8258-95d0135f3f92/bin/utaipan-verify-mE87zJ7Ire/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94625af9-5553-47c9-8258-95d0135f3f92/bin/utaipan-verify-mE87zJ7Ire Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7491e9e7e66695ce6d97d4c4c38cf37fc3e1ef2df09eb8fb958f4ec180b71f50 [2023-11-23 21:29:44,751 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-23 21:29:44,795 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-23 21:29:44,799 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-23 21:29:44,802 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-23 21:29:44,802 INFO L274 PluginConnector]: CDTParser initialized [2023-11-23 21:29:44,804 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94625af9-5553-47c9-8258-95d0135f3f92/bin/utaipan-verify-mE87zJ7Ire/../../sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2023-11-23 21:29:48,535 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-23 21:29:48,832 INFO L384 CDTParser]: Found 1 translation units. [2023-11-23 21:29:48,843 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94625af9-5553-47c9-8258-95d0135f3f92/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c [2023-11-23 21:29:48,863 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94625af9-5553-47c9-8258-95d0135f3f92/bin/utaipan-verify-mE87zJ7Ire/data/7fafa46d9/1cb1421e3c3649ee94a83920dcf917a1/FLAGbac0b8b7e [2023-11-23 21:29:48,878 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94625af9-5553-47c9-8258-95d0135f3f92/bin/utaipan-verify-mE87zJ7Ire/data/7fafa46d9/1cb1421e3c3649ee94a83920dcf917a1 [2023-11-23 21:29:48,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-23 21:29:48,883 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-23 21:29:48,885 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:48,886 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-23 21:29:48,893 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-23 21:29:48,894 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:48" (1/1) ... [2023-11-23 21:29:48,895 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71c5cd54 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:48, skipping insertion in model container [2023-11-23 21:29:48,896 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 09:29:48" (1/1) ... [2023-11-23 21:29:48,965 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-23 21:29:49,242 WARN L240 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_94625af9-5553-47c9-8258-95d0135f3f92/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c[2567,2580] [2023-11-23 21:29:49,457 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:49,476 INFO L202 MainTranslator]: Completed pre-run [2023-11-23 21:29:49,490 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [49] [2023-11-23 21:29:49,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [78] [2023-11-23 21:29:49,492 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [116] [2023-11-23 21:29:49,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [125] [2023-11-23 21:29:49,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [226] [2023-11-23 21:29:49,493 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [319] [2023-11-23 21:29:49,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] [2023-11-23 21:29:49,494 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [907] [2023-11-23 21:29:49,525 WARN L240 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_94625af9-5553-47c9-8258-95d0135f3f92/sv-benchmarks/c/product-lines/minepump_spec4_product32.cil.c[2567,2580] [2023-11-23 21:29:49,621 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-23 21:29:49,658 INFO L206 MainTranslator]: Completed translation [2023-11-23 21:29:49,659 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:49 WrapperNode [2023-11-23 21:29:49,659 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-23 21:29:49,661 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:49,662 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-23 21:29:49,662 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-23 21:29:49,672 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:49" (1/1) ... [2023-11-23 21:29:49,702 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:49" (1/1) ... [2023-11-23 21:29:49,752 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 23, calls inlined = 19, statements flattened = 198 [2023-11-23 21:29:49,753 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-23 21:29:49,754 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-23 21:29:49,754 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-23 21:29:49,754 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-23 21:29:49,766 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:49" (1/1) ... [2023-11-23 21:29:49,766 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:49" (1/1) ... [2023-11-23 21:29:49,770 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:49" (1/1) ... [2023-11-23 21:29:49,770 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:49" (1/1) ... [2023-11-23 21:29:49,777 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:49" (1/1) ... [2023-11-23 21:29:49,783 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:49" (1/1) ... [2023-11-23 21:29:49,785 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:49" (1/1) ... [2023-11-23 21:29:49,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:49" (1/1) ... [2023-11-23 21:29:49,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-23 21:29:49,792 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-23 21:29:49,792 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-23 21:29:49,792 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-23 21:29:49,794 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:49" (1/1) ... [2023-11-23 21:29:49,802 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-23 21:29:49,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94625af9-5553-47c9-8258-95d0135f3f92/bin/utaipan-verify-mE87zJ7Ire/z3 [2023-11-23 21:29:49,849 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94625af9-5553-47c9-8258-95d0135f3f92/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-23 21:29:49,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94625af9-5553-47c9-8258-95d0135f3f92/bin/utaipan-verify-mE87zJ7Ire/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-23 21:29:49,921 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-23 21:29:49,921 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-23 21:29:49,921 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-23 21:29:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-23 21:29:49,922 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-23 21:29:49,922 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-23 21:29:49,922 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-23 21:29:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-23 21:29:49,923 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-23 21:29:49,923 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-23 21:29:49,924 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-23 21:29:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-23 21:29:49,924 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-23 21:29:49,924 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-23 21:29:49,925 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-23 21:29:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-23 21:29:49,925 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-23 21:29:49,925 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-23 21:29:49,947 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-23 21:29:49,947 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-23 21:29:50,063 INFO L241 CfgBuilder]: Building ICFG [2023-11-23 21:29:50,066 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-23 21:29:50,438 INFO L282 CfgBuilder]: Performing block encoding [2023-11-23 21:29:50,602 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-23 21:29:50,607 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-23 21:29:50,610 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:50 BoogieIcfgContainer [2023-11-23 21:29:50,611 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-23 21:29:50,615 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-23 21:29:50,616 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-23 21:29:50,621 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-23 21:29:50,621 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 09:29:48" (1/3) ... [2023-11-23 21:29:50,622 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fafe04f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:50, skipping insertion in model container [2023-11-23 21:29:50,623 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 09:29:49" (2/3) ... [2023-11-23 21:29:50,625 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5fafe04f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 09:29:50, skipping insertion in model container [2023-11-23 21:29:50,626 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:50" (3/3) ... [2023-11-23 21:29:50,627 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product32.cil.c [2023-11-23 21:29:50,653 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-23 21:29:50,654 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-23 21:29:50,710 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-23 21:29:50,718 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, 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;@7a6997c4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-23 21:29:50,718 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-23 21:29:50,724 INFO L276 IsEmpty]: Start isEmpty. Operand has 64 states, 40 states have (on average 1.45) internal successors, (58), 49 states have internal predecessors, (58), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-23 21:29:50,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-23 21:29:50,734 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:50,735 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:50,736 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:50,742 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:50,742 INFO L85 PathProgramCache]: Analyzing trace with hash 61650838, now seen corresponding path program 1 times [2023-11-23 21:29:50,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:29:50,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998249058] [2023-11-23 21:29:50,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:50,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:29:50,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:50,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:29:50,943 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:29:50,943 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998249058] [2023-11-23 21:29:50,944 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998249058] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:50,944 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:50,944 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-23 21:29:50,946 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1860699030] [2023-11-23 21:29:50,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:50,964 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-23 21:29:50,965 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:29:51,000 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-23 21:29:51,010 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-23 21:29:51,013 INFO L87 Difference]: Start difference. First operand has 64 states, 40 states have (on average 1.45) internal successors, (58), 49 states have internal predecessors, (58), 14 states have call successors, (14), 8 states have call predecessors, (14), 8 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:29:51,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:51,138 INFO L93 Difference]: Finished difference Result 126 states and 173 transitions. [2023-11-23 21:29:51,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-23 21:29:51,141 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 12 [2023-11-23 21:29:51,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:51,155 INFO L225 Difference]: With dead ends: 126 [2023-11-23 21:29:51,155 INFO L226 Difference]: Without dead ends: 59 [2023-11-23 21:29:51,162 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 [2023-11-23 21:29:51,174 INFO L413 NwaCegarLoop]: 66 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 66 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:51,179 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 66 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:29:51,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 59 states. [2023-11-23 21:29:51,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 59 to 59. [2023-11-23 21:29:51,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 59 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 45 states have internal predecessors, (50), 14 states have call successors, (14), 8 states have call predecessors, (14), 7 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-23 21:29:51,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 59 states and 77 transitions. [2023-11-23 21:29:51,260 INFO L78 Accepts]: Start accepts. Automaton has 59 states and 77 transitions. Word has length 12 [2023-11-23 21:29:51,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:51,261 INFO L495 AbstractCegarLoop]: Abstraction has 59 states and 77 transitions. [2023-11-23 21:29:51,261 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:29:51,261 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 77 transitions. [2023-11-23 21:29:51,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-11-23 21:29:51,264 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:51,264 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:51,264 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-23 21:29:51,265 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:51,266 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:51,266 INFO L85 PathProgramCache]: Analyzing trace with hash -1875051383, now seen corresponding path program 1 times [2023-11-23 21:29:51,266 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:29:51,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [329165403] [2023-11-23 21:29:51,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:51,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:29:51,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:51,390 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:29:51,391 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:29:51,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [329165403] [2023-11-23 21:29:51,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [329165403] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:51,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:51,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:29:51,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608474073] [2023-11-23 21:29:51,412 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:51,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-23 21:29:51,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:29:51,417 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-23 21:29:51,418 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-23 21:29:51,418 INFO L87 Difference]: Start difference. First operand 59 states and 77 transitions. Second operand has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:29:51,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:51,487 INFO L93 Difference]: Finished difference Result 90 states and 116 transitions. [2023-11-23 21:29:51,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-23 21:29:51,489 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2023-11-23 21:29:51,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:51,491 INFO L225 Difference]: With dead ends: 90 [2023-11-23 21:29:51,491 INFO L226 Difference]: Without dead ends: 51 [2023-11-23 21:29:51,492 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 [2023-11-23 21:29:51,495 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 14 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:51,496 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 88 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:29:51,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2023-11-23 21:29:51,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2023-11-23 21:29:51,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 32 states have (on average 1.375) internal successors, (44), 40 states have internal predecessors, (44), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 7 states have call predecessors, (11), 11 states have call successors, (11) [2023-11-23 21:29:51,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 66 transitions. [2023-11-23 21:29:51,518 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 66 transitions. Word has length 13 [2023-11-23 21:29:51,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:51,519 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 66 transitions. [2023-11-23 21:29:51,519 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 3 states have internal predecessors, (11), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:29:51,520 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 66 transitions. [2023-11-23 21:29:51,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-23 21:29:51,523 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:51,524 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:51,524 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-23 21:29:51,524 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:51,527 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:51,529 INFO L85 PathProgramCache]: Analyzing trace with hash -1008817254, now seen corresponding path program 1 times [2023-11-23 21:29:51,530 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:29:51,531 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588741141] [2023-11-23 21:29:51,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:51,535 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:29:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:51,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:29:51,751 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:29:51,752 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588741141] [2023-11-23 21:29:51,752 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1588741141] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:51,753 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:51,753 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-23 21:29:51,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1929805838] [2023-11-23 21:29:51,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:51,754 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:29:51,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:29:51,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:29:51,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:29:51,756 INFO L87 Difference]: Start difference. First operand 51 states and 66 transitions. Second operand has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:29:51,918 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:51,918 INFO L93 Difference]: Finished difference Result 129 states and 168 transitions. [2023-11-23 21:29:51,919 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-23 21:29:51,919 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-23 21:29:51,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:51,922 INFO L225 Difference]: With dead ends: 129 [2023-11-23 21:29:51,923 INFO L226 Difference]: Without dead ends: 80 [2023-11-23 21:29:51,924 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:29:51,926 INFO L413 NwaCegarLoop]: 52 mSDtfsCounter, 89 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 45 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 45 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:51,927 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 115 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 45 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-23 21:29:51,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2023-11-23 21:29:51,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 77. [2023-11-23 21:29:51,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 50 states have (on average 1.38) internal successors, (69), 61 states have internal predecessors, (69), 15 states have call successors, (15), 11 states have call predecessors, (15), 11 states have return successors, (16), 10 states have call predecessors, (16), 15 states have call successors, (16) [2023-11-23 21:29:51,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 100 transitions. [2023-11-23 21:29:51,954 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 100 transitions. Word has length 16 [2023-11-23 21:29:51,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:51,955 INFO L495 AbstractCegarLoop]: Abstraction has 77 states and 100 transitions. [2023-11-23 21:29:51,955 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:29:51,956 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 100 transitions. [2023-11-23 21:29:51,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-11-23 21:29:51,958 INFO L187 NwaCegarLoop]: Found error trace [2023-11-23 21:29:51,958 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-23 21:29:51,958 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-23 21:29:51,959 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-23 21:29:51,959 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-23 21:29:51,960 INFO L85 PathProgramCache]: Analyzing trace with hash -962791602, now seen corresponding path program 1 times [2023-11-23 21:29:51,960 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-23 21:29:51,961 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [74080648] [2023-11-23 21:29:51,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-23 21:29:51,961 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-23 21:29:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-23 21:29:52,197 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-23 21:29:52,198 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-23 21:29:52,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [74080648] [2023-11-23 21:29:52,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [74080648] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-23 21:29:52,199 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-23 21:29:52,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-23 21:29:52,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902752648] [2023-11-23 21:29:52,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-23 21:29:52,200 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-23 21:29:52,200 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-23 21:29:52,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-23 21:29:52,201 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-23 21:29:52,201 INFO L87 Difference]: Start difference. First operand 77 states and 100 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:29:52,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-23 21:29:52,292 INFO L93 Difference]: Finished difference Result 136 states and 180 transitions. [2023-11-23 21:29:52,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-23 21:29:52,293 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2023-11-23 21:29:52,294 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-23 21:29:52,294 INFO L225 Difference]: With dead ends: 136 [2023-11-23 21:29:52,294 INFO L226 Difference]: Without dead ends: 0 [2023-11-23 21:29:52,296 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-23 21:29:52,304 INFO L413 NwaCegarLoop]: 27 mSDtfsCounter, 27 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 54 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-23 21:29:52,305 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 54 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-23 21:29:52,306 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-23 21:29:52,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-23 21:29:52,307 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) [2023-11-23 21:29:52,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-23 21:29:52,307 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 19 [2023-11-23 21:29:52,307 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-23 21:29:52,308 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-23 21:29:52,308 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-23 21:29:52,308 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-23 21:29:52,308 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-23 21:29:52,312 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-23 21:29:52,312 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-23 21:29:52,315 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-23 21:29:52,590 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 801 808) no Hoare annotation was computed. [2023-11-23 21:29:52,591 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 801 808) the Hoare annotation is: true [2023-11-23 21:29:52,591 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 717 723) no Hoare annotation was computed. [2023-11-23 21:29:52,591 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 717 723) the Hoare annotation is: true [2023-11-23 21:29:52,592 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 257 268) the Hoare annotation is: true [2023-11-23 21:29:52,592 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 257 268) no Hoare annotation was computed. [2023-11-23 21:29:52,592 INFO L899 garLoopResultBuilder]: For program point L770-1(lines 751 775) no Hoare annotation was computed. [2023-11-23 21:29:52,592 INFO L899 garLoopResultBuilder]: For program point L704-1(lines 704 710) no Hoare annotation was computed. [2023-11-23 21:29:52,592 INFO L899 garLoopResultBuilder]: For program point L65(lines 65 71) no Hoare annotation was computed. [2023-11-23 21:29:52,593 INFO L899 garLoopResultBuilder]: For program point L61(lines 61 74) no Hoare annotation was computed. [2023-11-23 21:29:52,593 INFO L899 garLoopResultBuilder]: For program point L61-1(lines 53 77) no Hoare annotation was computed. [2023-11-23 21:29:52,593 INFO L899 garLoopResultBuilder]: For program point L697-1(lines 696 715) no Hoare annotation was computed. [2023-11-23 21:29:52,593 INFO L899 garLoopResultBuilder]: For program point L759(lines 759 767) no Hoare annotation was computed. [2023-11-23 21:29:52,593 INFO L899 garLoopResultBuilder]: For program point L755(lines 755 772) no Hoare annotation was computed. [2023-11-23 21:29:52,594 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 693 716) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-23 21:29:52,594 INFO L895 garLoopResultBuilder]: At program point L765(line 765) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-23 21:29:52,594 INFO L895 garLoopResultBuilder]: At program point L761(line 761) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-23 21:29:52,594 INFO L899 garLoopResultBuilder]: For program point L121(line 121) no Hoare annotation was computed. [2023-11-23 21:29:52,595 INFO L895 garLoopResultBuilder]: At program point L757(line 757) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-23 21:29:52,595 INFO L899 garLoopResultBuilder]: For program point L757-1(line 757) no Hoare annotation was computed. [2023-11-23 21:29:52,595 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 693 716) no Hoare annotation was computed. [2023-11-23 21:29:52,595 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2023-11-23 21:29:52,596 INFO L895 garLoopResultBuilder]: At program point L770(line 770) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2023-11-23 21:29:52,596 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 128 157) no Hoare annotation was computed. [2023-11-23 21:29:52,596 INFO L899 garLoopResultBuilder]: For program point L153(lines 128 157) no Hoare annotation was computed. [2023-11-23 21:29:52,596 INFO L899 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2023-11-23 21:29:52,596 INFO L899 garLoopResultBuilder]: For program point L142(lines 142 146) no Hoare annotation was computed. [2023-11-23 21:29:52,596 INFO L902 garLoopResultBuilder]: At program point L142-1(lines 142 146) the Hoare annotation is: true [2023-11-23 21:29:52,597 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 128 157) the Hoare annotation is: true [2023-11-23 21:29:52,597 INFO L902 garLoopResultBuilder]: At program point L138-2(lines 138 152) the Hoare annotation is: true [2023-11-23 21:29:52,597 INFO L902 garLoopResultBuilder]: At program point L134(line 134) the Hoare annotation is: true [2023-11-23 21:29:52,597 INFO L899 garLoopResultBuilder]: For program point L134-1(line 134) no Hoare annotation was computed. [2023-11-23 21:29:52,597 INFO L899 garLoopResultBuilder]: For program point L956(lines 956 962) no Hoare annotation was computed. [2023-11-23 21:29:52,598 INFO L895 garLoopResultBuilder]: At program point L890(line 890) the Hoare annotation is: false [2023-11-23 21:29:52,598 INFO L895 garLoopResultBuilder]: At program point L956-2(lines 948 963) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2023-11-23 21:29:52,598 INFO L899 garLoopResultBuilder]: For program point L919(lines 918 967) no Hoare annotation was computed. [2023-11-23 21:29:52,598 INFO L899 garLoopResultBuilder]: For program point L213(lines 213 220) no Hoare annotation was computed. [2023-11-23 21:29:52,598 INFO L899 garLoopResultBuilder]: For program point L948(lines 948 963) no Hoare annotation was computed. [2023-11-23 21:29:52,599 INFO L899 garLoopResultBuilder]: For program point L213-2(lines 213 220) no Hoare annotation was computed. [2023-11-23 21:29:52,599 INFO L895 garLoopResultBuilder]: At program point L940(line 940) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2023-11-23 21:29:52,599 INFO L895 garLoopResultBuilder]: At program point L965(lines 918 967) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2023-11-23 21:29:52,599 INFO L899 garLoopResultBuilder]: For program point L928(lines 928 934) no Hoare annotation was computed. [2023-11-23 21:29:52,599 INFO L899 garLoopResultBuilder]: For program point L928-1(lines 928 934) no Hoare annotation was computed. [2023-11-23 21:29:52,600 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-23 21:29:52,600 INFO L899 garLoopResultBuilder]: For program point L888(lines 888 894) no Hoare annotation was computed. [2023-11-23 21:29:52,600 INFO L899 garLoopResultBuilder]: For program point L888-1(lines 888 894) no Hoare annotation was computed. [2023-11-23 21:29:52,600 INFO L899 garLoopResultBuilder]: For program point L971(lines 908 975) no Hoare annotation was computed. [2023-11-23 21:29:52,600 INFO L899 garLoopResultBuilder]: For program point L938(lines 938 944) no Hoare annotation was computed. [2023-11-23 21:29:52,600 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-23 21:29:52,601 INFO L899 garLoopResultBuilder]: For program point L938-1(lines 938 944) no Hoare annotation was computed. [2023-11-23 21:29:52,601 INFO L895 garLoopResultBuilder]: At program point L930(line 930) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~1#1| 1)) [2023-11-23 21:29:52,601 INFO L895 garLoopResultBuilder]: At program point L968(lines 917 969) the Hoare annotation is: false [2023-11-23 21:29:52,601 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 245 256) no Hoare annotation was computed. [2023-11-23 21:29:52,602 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 245 256) the Hoare annotation is: true [2023-11-23 21:29:52,602 INFO L895 garLoopResultBuilder]: At program point L735(line 735) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-11-23 21:29:52,602 INFO L899 garLoopResultBuilder]: For program point L733(lines 733 741) no Hoare annotation was computed. [2023-11-23 21:29:52,602 INFO L899 garLoopResultBuilder]: For program point L729(lines 729 746) no Hoare annotation was computed. [2023-11-23 21:29:52,602 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 725 749) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-23 21:29:52,603 INFO L895 garLoopResultBuilder]: At program point L744(line 744) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-23 21:29:52,603 INFO L899 garLoopResultBuilder]: For program point L744-1(lines 725 749) no Hoare annotation was computed. [2023-11-23 21:29:52,603 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 725 749) no Hoare annotation was computed. [2023-11-23 21:29:52,603 INFO L895 garLoopResultBuilder]: At program point L739(line 739) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-11-23 21:29:52,603 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 809 819) no Hoare annotation was computed. [2023-11-23 21:29:52,604 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 809 819) the Hoare annotation is: true [2023-11-23 21:29:52,607 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-23 21:29:52,610 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-23 21:29:52,625 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 09:29:52 BoogieIcfgContainer [2023-11-23 21:29:52,626 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-23 21:29:52,626 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-23 21:29:52,627 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-23 21:29:52,627 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-23 21:29:52,628 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 09:29:50" (3/4) ... [2023-11-23 21:29:52,630 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-23 21:29:52,638 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-23 21:29:52,638 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-23 21:29:52,638 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-23 21:29:52,638 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-23 21:29:52,638 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-23 21:29:52,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-23 21:29:52,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-23 21:29:52,639 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-23 21:29:52,659 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2023-11-23 21:29:52,660 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2023-11-23 21:29:52,661 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-23 21:29:52,662 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:29:52,663 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-23 21:29:52,706 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) [2023-11-23 21:29:52,785 WARN L141 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) [2023-11-23 21:29:52,843 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94625af9-5553-47c9-8258-95d0135f3f92/bin/utaipan-verify-mE87zJ7Ire/witness.graphml [2023-11-23 21:29:52,844 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94625af9-5553-47c9-8258-95d0135f3f92/bin/utaipan-verify-mE87zJ7Ire/witness.yml [2023-11-23 21:29:52,844 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-23 21:29:52,845 INFO L158 Benchmark]: Toolchain (without parser) took 3962.11ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 83.5MB in the beginning and 69.3MB in the end (delta: 14.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-23 21:29:52,846 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 130.0MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-23 21:29:52,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 774.43ms. Allocated memory is still 130.0MB. Free memory was 83.5MB in the beginning and 64.2MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-23 21:29:52,846 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.69ms. Allocated memory is still 130.0MB. Free memory was 64.2MB in the beginning and 61.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:29:52,847 INFO L158 Benchmark]: Boogie Preprocessor took 37.23ms. Allocated memory is still 130.0MB. Free memory was 61.7MB in the beginning and 60.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-23 21:29:52,847 INFO L158 Benchmark]: RCFGBuilder took 819.01ms. Allocated memory is still 130.0MB. Free memory was 60.4MB in the beginning and 83.7MB in the end (delta: -23.3MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. [2023-11-23 21:29:52,848 INFO L158 Benchmark]: TraceAbstraction took 2010.66ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 83.1MB in the beginning and 76.6MB in the end (delta: 6.4MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. [2023-11-23 21:29:52,848 INFO L158 Benchmark]: Witness Printer took 217.95ms. Allocated memory is still 157.3MB. Free memory was 76.6MB in the beginning and 69.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-23 21:29:52,851 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 130.0MB. Free memory is still 101.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 774.43ms. Allocated memory is still 130.0MB. Free memory was 83.5MB in the beginning and 64.2MB in the end (delta: 19.3MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.69ms. Allocated memory is still 130.0MB. Free memory was 64.2MB in the beginning and 61.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.23ms. Allocated memory is still 130.0MB. Free memory was 61.7MB in the beginning and 60.4MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 819.01ms. Allocated memory is still 130.0MB. Free memory was 60.4MB in the beginning and 83.7MB in the end (delta: -23.3MB). Peak memory consumption was 13.5MB. Max. memory is 16.1GB. * TraceAbstraction took 2010.66ms. Allocated memory was 130.0MB in the beginning and 157.3MB in the end (delta: 27.3MB). Free memory was 83.1MB in the beginning and 76.6MB in the end (delta: 6.4MB). Peak memory consumption was 34.7MB. Max. memory is 16.1GB. * Witness Printer took 217.95ms. Allocated memory is still 157.3MB. Free memory was 76.6MB in the beginning and 69.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [49] - GenericResultAtLocation [Line: 78]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [78] - GenericResultAtLocation [Line: 116]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [116] - GenericResultAtLocation [Line: 125]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [125] - GenericResultAtLocation [Line: 226]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [226] - GenericResultAtLocation [Line: 319]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [319] - GenericResultAtLocation [Line: 685]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [685] - GenericResultAtLocation [Line: 907]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [907] * 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: 121]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 9 procedures, 64 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.9s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 138 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 130 mSDsluCounter, 323 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 126 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 116 IncrementalHoareTripleChecker+Invalid, 128 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 197 mSDtfsCounter, 116 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=77occurred 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, 24 LocationsWithAnnotation, 137 PreInvPairs, 145 NumberOfFragments, 122 HoareAnnotationTreeSize, 137 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 24 FomulaSimplificationsInter, 176 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 138]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 917]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 918]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (splverifierCounter == 0)) && (tmp == 1)) - InvariantResult [Line: 693]: Loop Invariant Derived loop invariant: (!((\old(pumpRunning) == 0)) || (pumpRunning == 0)) RESULT: Ultimate proved your program to be correct! [2023-11-23 21:29:52,908 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94625af9-5553-47c9-8258-95d0135f3f92/bin/utaipan-verify-mE87zJ7Ire/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