./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_15c82178-5f72-45b9-bf0f-6b4759e9e2ee/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c82178-5f72-45b9-bf0f-6b4759e9e2ee/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c82178-5f72-45b9-bf0f-6b4759e9e2ee/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c82178-5f72-45b9-bf0f-6b4759e9e2ee/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c82178-5f72-45b9-bf0f-6b4759e9e2ee/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c82178-5f72-45b9-bf0f-6b4759e9e2ee/bin/uautomizer-verify-VRDe98Ueme --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash df939eacd07971dbe984826c04d07f64706b0716dba249ed14f3095e44967ff6 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:49:03,935 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:49:04,023 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c82178-5f72-45b9-bf0f-6b4759e9e2ee/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:49:04,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:49:04,030 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:49:04,056 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:49:04,057 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:49:04,057 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:49:04,058 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:49:04,059 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:49:04,059 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:49:04,060 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:49:04,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:49:04,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:49:04,062 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:49:04,063 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:49:04,063 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:49:04,064 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:49:04,064 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:49:04,065 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:49:04,065 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:49:04,066 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:49:04,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:49:04,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:49:04,067 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:49:04,068 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:49:04,068 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:49:04,069 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:49:04,070 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:49:04,070 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:49:04,071 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:49:04,072 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:49:04,072 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:49:04,072 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:49:04,073 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:49:04,073 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:49:04,073 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:49:04,073 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:49:04,074 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:49:04,074 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:49:04,074 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:49:04,074 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:49:04,075 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_15c82178-5f72-45b9-bf0f-6b4759e9e2ee/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c82178-5f72-45b9-bf0f-6b4759e9e2ee/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> df939eacd07971dbe984826c04d07f64706b0716dba249ed14f3095e44967ff6 [2023-11-26 10:49:04,346 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:49:04,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:49:04,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:49:04,380 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:49:04,381 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:49:04,382 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c82178-5f72-45b9-bf0f-6b4759e9e2ee/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2023-11-26 10:49:07,547 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:49:07,886 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:49:07,886 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c82178-5f72-45b9-bf0f-6b4759e9e2ee/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c [2023-11-26 10:49:07,902 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c82178-5f72-45b9-bf0f-6b4759e9e2ee/bin/uautomizer-verify-VRDe98Ueme/data/1d9afb08b/36e2e3ee9f62450197eaeb701ddab877/FLAG7718eb562 [2023-11-26 10:49:07,930 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c82178-5f72-45b9-bf0f-6b4759e9e2ee/bin/uautomizer-verify-VRDe98Ueme/data/1d9afb08b/36e2e3ee9f62450197eaeb701ddab877 [2023-11-26 10:49:07,937 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:49:07,939 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:49:07,940 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:49:07,940 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:49:07,946 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:49:07,947 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:49:07" (1/1) ... [2023-11-26 10:49:07,949 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5492d90f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:07, skipping insertion in model container [2023-11-26 10:49:07,949 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:49:07" (1/1) ... [2023-11-26 10:49:07,998 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:49:08,282 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_15c82178-5f72-45b9-bf0f-6b4759e9e2ee/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c[13383,13396] [2023-11-26 10:49:08,315 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:49:08,334 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:49:08,345 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2023-11-26 10:49:08,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [145] [2023-11-26 10:49:08,347 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [186] [2023-11-26 10:49:08,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [552] [2023-11-26 10:49:08,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [561] [2023-11-26 10:49:08,348 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] [2023-11-26 10:49:08,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [827] [2023-11-26 10:49:08,349 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [865] [2023-11-26 10:49:08,408 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_15c82178-5f72-45b9-bf0f-6b4759e9e2ee/sv-benchmarks/c/product-lines/minepump_spec2_product23.cil.c[13383,13396] [2023-11-26 10:49:08,425 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:49:08,447 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:49:08,448 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:08 WrapperNode [2023-11-26 10:49:08,448 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:49:08,450 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:49:08,450 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:49:08,450 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:49:08,459 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:08" (1/1) ... [2023-11-26 10:49:08,484 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:08" (1/1) ... [2023-11-26 10:49:08,520 INFO L138 Inliner]: procedures = 55, calls = 100, calls flagged for inlining = 21, calls inlined = 18, statements flattened = 191 [2023-11-26 10:49:08,520 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:49:08,521 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:49:08,521 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:49:08,522 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:49:08,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:08" (1/1) ... [2023-11-26 10:49:08,535 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:08" (1/1) ... [2023-11-26 10:49:08,537 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:08" (1/1) ... [2023-11-26 10:49:08,569 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:49:08,569 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:08" (1/1) ... [2023-11-26 10:49:08,569 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:08" (1/1) ... [2023-11-26 10:49:08,575 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:08" (1/1) ... [2023-11-26 10:49:08,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:08" (1/1) ... [2023-11-26 10:49:08,581 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:08" (1/1) ... [2023-11-26 10:49:08,589 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:08" (1/1) ... [2023-11-26 10:49:08,591 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:49:08,594 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:49:08,594 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:49:08,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:49:08,597 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:08" (1/1) ... [2023-11-26 10:49:08,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:49:08,618 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c82178-5f72-45b9-bf0f-6b4759e9e2ee/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:49:08,631 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c82178-5f72-45b9-bf0f-6b4759e9e2ee/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:49:08,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c82178-5f72-45b9-bf0f-6b4759e9e2ee/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:49:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:49:08,666 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-26 10:49:08,667 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-26 10:49:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-26 10:49:08,667 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-26 10:49:08,667 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-26 10:49:08,667 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-26 10:49:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-26 10:49:08,668 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-26 10:49:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-26 10:49:08,668 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-26 10:49:08,668 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-26 10:49:08,668 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2023-11-26 10:49:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-26 10:49:08,669 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-26 10:49:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:49:08,669 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-26 10:49:08,669 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-26 10:49:08,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:49:08,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:49:08,795 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:49:08,799 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-26 10:49:09,213 INFO L282 CfgBuilder]: Performing block encoding [2023-11-26 10:49:09,331 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-26 10:49:09,331 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-26 10:49:09,332 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:49:09 BoogieIcfgContainer [2023-11-26 10:49:09,332 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-26 10:49:09,334 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-26 10:49:09,335 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-26 10:49:09,339 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-26 10:49:09,340 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.11 10:49:07" (1/3) ... [2023-11-26 10:49:09,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5d8e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:49:09, skipping insertion in model container [2023-11-26 10:49:09,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:49:08" (2/3) ... [2023-11-26 10:49:09,341 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f5d8e4f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.11 10:49:09, skipping insertion in model container [2023-11-26 10:49:09,341 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:49:09" (3/3) ... [2023-11-26 10:49:09,343 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product23.cil.c [2023-11-26 10:49:09,367 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-26 10:49:09,367 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-26 10:49:09,431 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-26 10:49:09,443 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=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;@2910eaf2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-26 10:49:09,444 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-26 10:49:09,449 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 57 states have internal predecessors, (74), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-26 10:49:09,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-26 10:49:09,460 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:49:09,461 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:49:09,462 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:49:09,468 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:09,468 INFO L85 PathProgramCache]: Analyzing trace with hash -552331777, now seen corresponding path program 1 times [2023-11-26 10:49:09,478 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:09,478 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1760350544] [2023-11-26 10:49:09,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:09,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:09,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:09,667 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-26 10:49:09,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:09,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:49:09,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:49:09,677 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1760350544] [2023-11-26 10:49:09,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1760350544] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:49:09,678 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:49:09,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-26 10:49:09,680 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985021580] [2023-11-26 10:49:09,681 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:49:09,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-26 10:49:09,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:49:09,729 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-26 10:49:09,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:49:09,733 INFO L87 Difference]: Start difference. First operand has 73 states, 48 states have (on average 1.5416666666666667) internal successors, (74), 57 states have internal predecessors, (74), 15 states have call successors, (15), 8 states have call predecessors, (15), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:49:09,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:49:09,827 INFO L93 Difference]: Finished difference Result 144 states and 209 transitions. [2023-11-26 10:49:09,829 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-26 10:49:09,830 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2023-11-26 10:49:09,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:49:09,842 INFO L225 Difference]: With dead ends: 144 [2023-11-26 10:49:09,843 INFO L226 Difference]: Without dead ends: 68 [2023-11-26 10:49:09,848 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-26 10:49:09,856 INFO L413 NwaCegarLoop]: 85 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 85 SdHoareTripleChecker+Invalid, 14 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:49:09,857 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 85 Invalid, 14 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:49:09,877 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2023-11-26 10:49:09,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 68. [2023-11-26 10:49:09,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 68 states, 45 states have (on average 1.4222222222222223) internal successors, (64), 53 states have internal predecessors, (64), 15 states have call successors, (15), 8 states have call predecessors, (15), 7 states have return successors, (14), 10 states have call predecessors, (14), 14 states have call successors, (14) [2023-11-26 10:49:09,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 68 states and 93 transitions. [2023-11-26 10:49:09,924 INFO L78 Accepts]: Start accepts. Automaton has 68 states and 93 transitions. Word has length 17 [2023-11-26 10:49:09,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:49:09,924 INFO L495 AbstractCegarLoop]: Abstraction has 68 states and 93 transitions. [2023-11-26 10:49:09,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:49:09,925 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 93 transitions. [2023-11-26 10:49:09,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-26 10:49:09,930 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:49:09,930 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:49:09,930 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-26 10:49:09,931 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:49:09,932 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:09,932 INFO L85 PathProgramCache]: Analyzing trace with hash 1832298399, now seen corresponding path program 1 times [2023-11-26 10:49:09,933 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:09,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [838705611] [2023-11-26 10:49:09,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:09,934 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:09,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:10,104 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-26 10:49:10,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:10,109 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:49:10,109 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:49:10,110 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [838705611] [2023-11-26 10:49:10,110 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [838705611] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:49:10,110 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:49:10,111 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-26 10:49:10,111 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568007222] [2023-11-26 10:49:10,111 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:49:10,112 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-26 10:49:10,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:49:10,114 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-26 10:49:10,114 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:49:10,114 INFO L87 Difference]: Start difference. First operand 68 states and 93 transitions. Second operand has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:49:10,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:49:10,167 INFO L93 Difference]: Finished difference Result 106 states and 144 transitions. [2023-11-26 10:49:10,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-26 10:49:10,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2023-11-26 10:49:10,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:49:10,172 INFO L225 Difference]: With dead ends: 106 [2023-11-26 10:49:10,172 INFO L226 Difference]: Without dead ends: 60 [2023-11-26 10:49:10,173 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-26 10:49:10,175 INFO L413 NwaCegarLoop]: 71 mSDtfsCounter, 14 mSDsluCounter, 54 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:49:10,175 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 125 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:49:10,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2023-11-26 10:49:10,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2023-11-26 10:49:10,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 40 states have (on average 1.45) internal successors, (58), 48 states have internal predecessors, (58), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (12), 8 states have call predecessors, (12), 12 states have call successors, (12) [2023-11-26 10:49:10,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 82 transitions. [2023-11-26 10:49:10,186 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 82 transitions. Word has length 18 [2023-11-26 10:49:10,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:49:10,187 INFO L495 AbstractCegarLoop]: Abstraction has 60 states and 82 transitions. [2023-11-26 10:49:10,187 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:49:10,187 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 82 transitions. [2023-11-26 10:49:10,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-26 10:49:10,189 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:49:10,189 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:49:10,189 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-26 10:49:10,189 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:49:10,190 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:10,190 INFO L85 PathProgramCache]: Analyzing trace with hash -1348786642, now seen corresponding path program 1 times [2023-11-26 10:49:10,190 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:10,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [968310682] [2023-11-26 10:49:10,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:10,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:10,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:10,303 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-26 10:49:10,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:10,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:49:10,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:49:10,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [968310682] [2023-11-26 10:49:10,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [968310682] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:49:10,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:49:10,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:49:10,308 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [613307825] [2023-11-26 10:49:10,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:49:10,309 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:49:10,309 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:49:10,310 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:49:10,310 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:49:10,310 INFO L87 Difference]: Start difference. First operand 60 states and 82 transitions. Second operand has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:49:10,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:49:10,513 INFO L93 Difference]: Finished difference Result 170 states and 238 transitions. [2023-11-26 10:49:10,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:49:10,514 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 21 [2023-11-26 10:49:10,514 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:49:10,517 INFO L225 Difference]: With dead ends: 170 [2023-11-26 10:49:10,518 INFO L226 Difference]: Without dead ends: 112 [2023-11-26 10:49:10,519 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 [2023-11-26 10:49:10,521 INFO L413 NwaCegarLoop]: 77 mSDtfsCounter, 95 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 191 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-26 10:49:10,521 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 191 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-26 10:49:10,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2023-11-26 10:49:10,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 95. [2023-11-26 10:49:10,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 65 states have (on average 1.4615384615384615) internal successors, (95), 76 states have internal predecessors, (95), 17 states have call successors, (17), 12 states have call predecessors, (17), 12 states have return successors, (18), 12 states have call predecessors, (18), 17 states have call successors, (18) [2023-11-26 10:49:10,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 130 transitions. [2023-11-26 10:49:10,550 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 130 transitions. Word has length 21 [2023-11-26 10:49:10,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:49:10,550 INFO L495 AbstractCegarLoop]: Abstraction has 95 states and 130 transitions. [2023-11-26 10:49:10,551 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.5) internal successors, (18), 4 states have internal predecessors, (18), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:49:10,551 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 130 transitions. [2023-11-26 10:49:10,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-26 10:49:10,554 INFO L187 NwaCegarLoop]: Found error trace [2023-11-26 10:49:10,554 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-26 10:49:10,555 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-26 10:49:10,555 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-26 10:49:10,556 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-26 10:49:10,556 INFO L85 PathProgramCache]: Analyzing trace with hash -1383040463, now seen corresponding path program 1 times [2023-11-26 10:49:10,556 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-26 10:49:10,557 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344784697] [2023-11-26 10:49:10,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-26 10:49:10,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-26 10:49:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:10,712 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-26 10:49:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-26 10:49:10,718 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-26 10:49:10,718 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-26 10:49:10,718 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344784697] [2023-11-26 10:49:10,718 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344784697] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-26 10:49:10,719 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-26 10:49:10,719 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-26 10:49:10,719 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777449639] [2023-11-26 10:49:10,719 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-26 10:49:10,720 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-26 10:49:10,720 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-26 10:49:10,721 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-26 10:49:10,721 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-26 10:49:10,721 INFO L87 Difference]: Start difference. First operand 95 states and 130 transitions. Second operand has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:49:10,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-26 10:49:10,771 INFO L93 Difference]: Finished difference Result 166 states and 229 transitions. [2023-11-26 10:49:10,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-26 10:49:10,772 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 24 [2023-11-26 10:49:10,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-26 10:49:10,773 INFO L225 Difference]: With dead ends: 166 [2023-11-26 10:49:10,773 INFO L226 Difference]: Without dead ends: 0 [2023-11-26 10:49:10,775 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-26 10:49:10,777 INFO L413 NwaCegarLoop]: 38 mSDtfsCounter, 33 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 75 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-26 10:49:10,777 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 75 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-26 10:49:10,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-26 10:49:10,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-26 10:49:10,779 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) [2023-11-26 10:49:10,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-26 10:49:10,779 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2023-11-26 10:49:10,779 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-26 10:49:10,780 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-26 10:49:10,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2023-11-26 10:49:10,780 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-26 10:49:10,780 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-26 10:49:10,783 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-26 10:49:10,784 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-26 10:49:10,786 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-26 10:49:11,011 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 729 736) no Hoare annotation was computed. [2023-11-26 10:49:11,012 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 729 736) the Hoare annotation is: true [2023-11-26 10:49:11,012 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 662 668) no Hoare annotation was computed. [2023-11-26 10:49:11,012 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 662 668) the Hoare annotation is: true [2023-11-26 10:49:11,013 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 83 94) the Hoare annotation is: true [2023-11-26 10:49:11,014 INFO L899 garLoopResultBuilder]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2023-11-26 10:49:11,014 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2023-11-26 10:49:11,014 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 867 896) no Hoare annotation was computed. [2023-11-26 10:49:11,015 INFO L899 garLoopResultBuilder]: For program point L892(lines 867 896) no Hoare annotation was computed. [2023-11-26 10:49:11,016 INFO L899 garLoopResultBuilder]: For program point L888(line 888) no Hoare annotation was computed. [2023-11-26 10:49:11,018 INFO L899 garLoopResultBuilder]: For program point L881(lines 881 885) no Hoare annotation was computed. [2023-11-26 10:49:11,018 INFO L902 garLoopResultBuilder]: At program point L881-1(lines 881 885) the Hoare annotation is: true [2023-11-26 10:49:11,019 INFO L902 garLoopResultBuilder]: At program point L877-2(lines 877 891) the Hoare annotation is: true [2023-11-26 10:49:11,019 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 867 896) the Hoare annotation is: true [2023-11-26 10:49:11,019 INFO L902 garLoopResultBuilder]: At program point L873(line 873) the Hoare annotation is: true [2023-11-26 10:49:11,019 INFO L899 garLoopResultBuilder]: For program point L873-1(line 873) no Hoare annotation was computed. [2023-11-26 10:49:11,020 INFO L899 garLoopResultBuilder]: For program point L642-1(lines 641 660) no Hoare annotation was computed. [2023-11-26 10:49:11,020 INFO L899 garLoopResultBuilder]: For program point L704(lines 704 712) no Hoare annotation was computed. [2023-11-26 10:49:11,020 INFO L899 garLoopResultBuilder]: For program point L700(lines 700 717) no Hoare annotation was computed. [2023-11-26 10:49:11,020 INFO L895 garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-26 10:49:11,021 INFO L899 garLoopResultBuilder]: For program point L742-1(line 742) no Hoare annotation was computed. [2023-11-26 10:49:11,021 INFO L899 garLoopResultBuilder]: For program point L557(line 557) no Hoare annotation was computed. [2023-11-26 10:49:11,021 INFO L899 garLoopResultBuilder]: For program point L169(lines 169 179) no Hoare annotation was computed. [2023-11-26 10:49:11,022 INFO L895 garLoopResultBuilder]: At program point L710(line 710) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-26 10:49:11,022 INFO L899 garLoopResultBuilder]: For program point L165(lines 165 182) no Hoare annotation was computed. [2023-11-26 10:49:11,022 INFO L899 garLoopResultBuilder]: For program point L165-1(lines 157 185) no Hoare annotation was computed. [2023-11-26 10:49:11,023 INFO L895 garLoopResultBuilder]: At program point L706(line 706) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-26 10:49:11,024 INFO L895 garLoopResultBuilder]: At program point L715(line 715) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2023-11-26 10:49:11,024 INFO L899 garLoopResultBuilder]: For program point L715-1(lines 696 720) no Hoare annotation was computed. [2023-11-26 10:49:11,025 INFO L899 garLoopResultBuilder]: For program point L170(lines 170 176) no Hoare annotation was computed. [2023-11-26 10:49:11,025 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 638 661) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-26 10:49:11,025 INFO L899 garLoopResultBuilder]: For program point L649-1(lines 649 655) no Hoare annotation was computed. [2023-11-26 10:49:11,026 INFO L899 garLoopResultBuilder]: For program point L63(lines 63 67) no Hoare annotation was computed. [2023-11-26 10:49:11,030 INFO L899 garLoopResultBuilder]: For program point L63-2(lines 59 70) no Hoare annotation was computed. [2023-11-26 10:49:11,030 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 638 661) no Hoare annotation was computed. [2023-11-26 10:49:11,030 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 557) no Hoare annotation was computed. [2023-11-26 10:49:11,031 INFO L895 garLoopResultBuilder]: At program point L163(line 163) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-26 10:49:11,032 INFO L899 garLoopResultBuilder]: For program point L163-1(line 163) no Hoare annotation was computed. [2023-11-26 10:49:11,032 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 95 103) the Hoare annotation is: true [2023-11-26 10:49:11,036 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2023-11-26 10:49:11,036 INFO L899 garLoopResultBuilder]: For program point L576(lines 575 622) no Hoare annotation was computed. [2023-11-26 10:49:11,037 INFO L899 garLoopResultBuilder]: For program point L605(lines 605 618) no Hoare annotation was computed. [2023-11-26 10:49:11,037 INFO L895 garLoopResultBuilder]: At program point L597(line 597) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-26 10:49:11,037 INFO L899 garLoopResultBuilder]: For program point L626(lines 565 630) no Hoare annotation was computed. [2023-11-26 10:49:11,037 INFO L899 garLoopResultBuilder]: For program point L816(lines 816 822) no Hoare annotation was computed. [2023-11-26 10:49:11,038 INFO L899 garLoopResultBuilder]: For program point L816-1(lines 816 822) no Hoare annotation was computed. [2023-11-26 10:49:11,039 INFO L899 garLoopResultBuilder]: For program point L585(lines 585 591) no Hoare annotation was computed. [2023-11-26 10:49:11,040 INFO L899 garLoopResultBuilder]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2023-11-26 10:49:11,044 INFO L899 garLoopResultBuilder]: For program point L949(lines 949 956) no Hoare annotation was computed. [2023-11-26 10:49:11,044 INFO L899 garLoopResultBuilder]: For program point L949-2(lines 949 956) no Hoare annotation was computed. [2023-11-26 10:49:11,045 INFO L895 garLoopResultBuilder]: At program point L623(lines 574 624) the Hoare annotation is: false [2023-11-26 10:49:11,045 INFO L899 garLoopResultBuilder]: For program point L611(lines 611 617) no Hoare annotation was computed. [2023-11-26 10:49:11,048 INFO L895 garLoopResultBuilder]: At program point L611-2(lines 605 618) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-26 10:49:11,049 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-26 10:49:11,049 INFO L899 garLoopResultBuilder]: For program point L595(lines 595 601) no Hoare annotation was computed. [2023-11-26 10:49:11,049 INFO L899 garLoopResultBuilder]: For program point L595-1(lines 595 601) no Hoare annotation was computed. [2023-11-26 10:49:11,049 INFO L895 garLoopResultBuilder]: At program point L818(line 818) the Hoare annotation is: false [2023-11-26 10:49:11,050 INFO L895 garLoopResultBuilder]: At program point L620(lines 575 622) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-26 10:49:11,050 INFO L895 garLoopResultBuilder]: At program point L587(line 587) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-26 10:49:11,050 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-26 10:49:11,050 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2023-11-26 10:49:11,050 INFO L899 garLoopResultBuilder]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2023-11-26 10:49:11,051 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 71 82) the Hoare annotation is: true [2023-11-26 10:49:11,051 INFO L895 garLoopResultBuilder]: At program point L684(line 684) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-11-26 10:49:11,051 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 670 694) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-26 10:49:11,051 INFO L895 garLoopResultBuilder]: At program point L680(line 680) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-11-26 10:49:11,051 INFO L899 garLoopResultBuilder]: For program point L678(lines 678 686) no Hoare annotation was computed. [2023-11-26 10:49:11,052 INFO L899 garLoopResultBuilder]: For program point L674(lines 674 691) no Hoare annotation was computed. [2023-11-26 10:49:11,052 INFO L899 garLoopResultBuilder]: For program point L802(lines 802 806) no Hoare annotation was computed. [2023-11-26 10:49:11,052 INFO L899 garLoopResultBuilder]: For program point L802-2(lines 802 806) no Hoare annotation was computed. [2023-11-26 10:49:11,052 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 670 694) no Hoare annotation was computed. [2023-11-26 10:49:11,052 INFO L895 garLoopResultBuilder]: At program point L689(line 689) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-26 10:49:11,052 INFO L899 garLoopResultBuilder]: For program point L689-1(lines 670 694) no Hoare annotation was computed. [2023-11-26 10:49:11,056 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-26 10:49:11,062 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-26 10:49:11,083 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.11 10:49:11 BoogieIcfgContainer [2023-11-26 10:49:11,083 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-26 10:49:11,083 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-26 10:49:11,084 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-26 10:49:11,084 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-26 10:49:11,084 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 10:49:09" (3/4) ... [2023-11-26 10:49:11,087 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-26 10:49:11,092 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-26 10:49:11,092 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-26 10:49:11,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-26 10:49:11,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-26 10:49:11,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-26 10:49:11,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-26 10:49:11,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-26 10:49:11,093 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor [2023-11-26 10:49:11,112 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-11-26 10:49:11,113 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-26 10:49:11,113 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-26 10:49:11,114 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:49:11,115 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-26 10:49:11,265 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c82178-5f72-45b9-bf0f-6b4759e9e2ee/bin/uautomizer-verify-VRDe98Ueme/witness.graphml [2023-11-26 10:49:11,266 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c82178-5f72-45b9-bf0f-6b4759e9e2ee/bin/uautomizer-verify-VRDe98Ueme/witness.yml [2023-11-26 10:49:11,266 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-26 10:49:11,267 INFO L158 Benchmark]: Toolchain (without parser) took 3328.13ms. Allocated memory was 127.9MB in the beginning and 165.7MB in the end (delta: 37.7MB). Free memory was 96.9MB in the beginning and 90.0MB in the end (delta: 6.8MB). Peak memory consumption was 46.6MB. Max. memory is 16.1GB. [2023-11-26 10:49:11,267 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 94.4MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-26 10:49:11,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 509.18ms. Allocated memory is still 127.9MB. Free memory was 96.9MB in the beginning and 77.1MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-26 10:49:11,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.39ms. Allocated memory is still 127.9MB. Free memory was 77.1MB in the beginning and 75.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:49:11,268 INFO L158 Benchmark]: Boogie Preprocessor took 71.48ms. Allocated memory is still 127.9MB. Free memory was 75.0MB in the beginning and 72.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-26 10:49:11,268 INFO L158 Benchmark]: RCFGBuilder took 738.50ms. Allocated memory is still 127.9MB. Free memory was 72.5MB in the beginning and 98.2MB in the end (delta: -25.7MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. [2023-11-26 10:49:11,269 INFO L158 Benchmark]: TraceAbstraction took 1748.50ms. Allocated memory was 127.9MB in the beginning and 165.7MB in the end (delta: 37.7MB). Free memory was 97.3MB in the beginning and 96.6MB in the end (delta: 677.4kB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. [2023-11-26 10:49:11,270 INFO L158 Benchmark]: Witness Printer took 182.56ms. Allocated memory is still 165.7MB. Free memory was 96.6MB in the beginning and 90.0MB in the end (delta: 6.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-26 10:49:11,273 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 94.4MB. Free memory is still 48.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 509.18ms. Allocated memory is still 127.9MB. Free memory was 96.9MB in the beginning and 77.1MB in the end (delta: 19.8MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 70.39ms. Allocated memory is still 127.9MB. Free memory was 77.1MB in the beginning and 75.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 71.48ms. Allocated memory is still 127.9MB. Free memory was 75.0MB in the beginning and 72.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 738.50ms. Allocated memory is still 127.9MB. Free memory was 72.5MB in the beginning and 98.2MB in the end (delta: -25.7MB). Peak memory consumption was 26.2MB. Max. memory is 16.1GB. * TraceAbstraction took 1748.50ms. Allocated memory was 127.9MB in the beginning and 165.7MB in the end (delta: 37.7MB). Free memory was 97.3MB in the beginning and 96.6MB in the end (delta: 677.4kB). Peak memory consumption was 37.2MB. Max. memory is 16.1GB. * Witness Printer took 182.56ms. Allocated memory is still 165.7MB. Free memory was 96.6MB in the beginning and 90.0MB in the end (delta: 6.6MB). 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,"Environment.i","") [49] - GenericResultAtLocation [Line: 145]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [145] - GenericResultAtLocation [Line: 186]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [186] - GenericResultAtLocation [Line: 552]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [552] - GenericResultAtLocation [Line: 561]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [561] - GenericResultAtLocation [Line: 631]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [631] - GenericResultAtLocation [Line: 827]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [827] - GenericResultAtLocation [Line: 865]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [865] * 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: 557]: 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, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 146 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 142 mSDsluCounter, 476 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 205 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 122 IncrementalHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 271 mSDtfsCounter, 122 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 22 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=3, InterpolantAutomatonStates: 13, 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, 17 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 25 LocationsWithAnnotation, 154 PreInvPairs, 167 NumberOfFragments, 118 HoareAnnotationTreeSize, 154 FomulaSimplifications, 9 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 25 FomulaSimplificationsInter, 248 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 150 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: 574]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 877]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-26 10:49:11,313 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_15c82178-5f72-45b9-bf0f-6b4759e9e2ee/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (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