./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.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_c38f6e78-a7c5-4450-a207-8d3abb266736/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38f6e78-a7c5-4450-a207-8d3abb266736/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38f6e78-a7c5-4450-a207-8d3abb266736/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38f6e78-a7c5-4450-a207-8d3abb266736/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38f6e78-a7c5-4450-a207-8d3abb266736/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38f6e78-a7c5-4450-a207-8d3abb266736/bin/uautomizer-verify-BQ2R08f2Ya --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 6e9710f2ba77d873d862776625519cdc19b31c828c43680541828315968db1a8 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 05:04:12,446 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 05:04:12,514 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38f6e78-a7c5-4450-a207-8d3abb266736/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 05:04:12,518 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 05:04:12,519 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 05:04:12,545 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 05:04:12,546 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 05:04:12,546 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 05:04:12,547 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 05:04:12,548 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 05:04:12,548 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 05:04:12,549 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 05:04:12,549 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 05:04:12,550 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 05:04:12,551 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 05:04:12,551 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 05:04:12,552 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 05:04:12,552 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 05:04:12,553 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 05:04:12,553 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 05:04:12,554 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 05:04:12,556 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 05:04:12,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 05:04:12,557 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 05:04:12,557 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 05:04:12,558 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 05:04:12,558 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 05:04:12,558 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 05:04:12,559 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 05:04:12,559 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 05:04:12,560 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 05:04:12,560 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:04:12,560 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 05:04:12,561 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 05:04:12,561 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 05:04:12,561 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 05:04:12,561 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 05:04:12,561 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 05:04:12,562 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 05:04:12,562 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 05:04:12,562 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 05:04:12,562 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 05:04:12,562 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_c38f6e78-a7c5-4450-a207-8d3abb266736/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38f6e78-a7c5-4450-a207-8d3abb266736/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6e9710f2ba77d873d862776625519cdc19b31c828c43680541828315968db1a8 [2023-11-29 05:04:12,774 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 05:04:12,804 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 05:04:12,806 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 05:04:12,807 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 05:04:12,808 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 05:04:12,809 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38f6e78-a7c5-4450-a207-8d3abb266736/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2023-11-29 05:04:15,597 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 05:04:15,843 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 05:04:15,844 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38f6e78-a7c5-4450-a207-8d3abb266736/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c [2023-11-29 05:04:15,857 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38f6e78-a7c5-4450-a207-8d3abb266736/bin/uautomizer-verify-BQ2R08f2Ya/data/33b457f77/9318b92e77894cd78145b4bc6d391ed2/FLAG4a77a5925 [2023-11-29 05:04:15,872 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38f6e78-a7c5-4450-a207-8d3abb266736/bin/uautomizer-verify-BQ2R08f2Ya/data/33b457f77/9318b92e77894cd78145b4bc6d391ed2 [2023-11-29 05:04:15,875 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 05:04:15,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 05:04:15,878 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 05:04:15,878 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 05:04:15,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 05:04:15,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:04:15" (1/1) ... [2023-11-29 05:04:15,885 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d05c67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:04:15, skipping insertion in model container [2023-11-29 05:04:15,885 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 05:04:15" (1/1) ... [2023-11-29 05:04:15,932 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 05:04:16,179 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_c38f6e78-a7c5-4450-a207-8d3abb266736/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c[17338,17351] [2023-11-29 05:04:16,190 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:04:16,202 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 05:04:16,213 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49] [2023-11-29 05:04:16,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] [2023-11-29 05:04:16,215 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [511] [2023-11-29 05:04:16,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [549] [2023-11-29 05:04:16,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [577] [2023-11-29 05:04:16,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [650] [2023-11-29 05:04:16,216 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [871] [2023-11-29 05:04:16,217 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [880] [2023-11-29 05:04:16,268 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_c38f6e78-a7c5-4450-a207-8d3abb266736/sv-benchmarks/c/product-lines/minepump_spec1_product32.cil.c[17338,17351] [2023-11-29 05:04:16,272 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 05:04:16,294 INFO L206 MainTranslator]: Completed translation [2023-11-29 05:04:16,294 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:04:16 WrapperNode [2023-11-29 05:04:16,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 05:04:16,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 05:04:16,296 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 05:04:16,296 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 05:04:16,304 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:04:16" (1/1) ... [2023-11-29 05:04:16,319 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:04:16" (1/1) ... [2023-11-29 05:04:16,347 INFO L138 Inliner]: procedures = 56, calls = 102, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 177 [2023-11-29 05:04:16,347 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 05:04:16,348 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 05:04:16,349 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 05:04:16,349 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 05:04:16,361 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:04:16" (1/1) ... [2023-11-29 05:04:16,361 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:04:16" (1/1) ... [2023-11-29 05:04:16,364 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:04:16" (1/1) ... [2023-11-29 05:04:16,380 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]. [2023-11-29 05:04:16,381 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:04:16" (1/1) ... [2023-11-29 05:04:16,381 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:04:16" (1/1) ... [2023-11-29 05:04:16,387 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:04:16" (1/1) ... [2023-11-29 05:04:16,392 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:04:16" (1/1) ... [2023-11-29 05:04:16,394 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:04:16" (1/1) ... [2023-11-29 05:04:16,395 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:04:16" (1/1) ... [2023-11-29 05:04:16,398 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 05:04:16,399 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 05:04:16,400 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 05:04:16,400 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 05:04:16,401 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:04:16" (1/1) ... [2023-11-29 05:04:16,408 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 05:04:16,419 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38f6e78-a7c5-4450-a207-8d3abb266736/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 05:04:16,431 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38f6e78-a7c5-4450-a207-8d3abb266736/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 05:04:16,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38f6e78-a7c5-4450-a207-8d3abb266736/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 05:04:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 05:04:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-29 05:04:16,472 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-29 05:04:16,472 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-29 05:04:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-29 05:04:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-29 05:04:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-29 05:04:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-29 05:04:16,473 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-29 05:04:16,473 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-29 05:04:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-29 05:04:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-29 05:04:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-29 05:04:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-29 05:04:16,474 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-29 05:04:16,474 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-29 05:04:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-29 05:04:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 05:04:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-29 05:04:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-29 05:04:16,475 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 05:04:16,475 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 05:04:16,558 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 05:04:16,560 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 05:04:16,817 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 05:04:16,879 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 05:04:16,880 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-29 05:04:16,880 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:04:16 BoogieIcfgContainer [2023-11-29 05:04:16,880 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 05:04:16,883 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 05:04:16,884 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 05:04:16,887 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 05:04:16,887 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 05:04:15" (1/3) ... [2023-11-29 05:04:16,888 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b167f89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:04:16, skipping insertion in model container [2023-11-29 05:04:16,888 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 05:04:16" (2/3) ... [2023-11-29 05:04:16,889 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b167f89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 05:04:16, skipping insertion in model container [2023-11-29 05:04:16,889 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:04:16" (3/3) ... [2023-11-29 05:04:16,890 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product32.cil.c [2023-11-29 05:04:16,911 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 05:04:16,911 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-29 05:04:16,961 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 05:04:16,969 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;@453e1026, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 05:04:16,970 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-29 05:04:16,975 INFO L276 IsEmpty]: Start isEmpty. Operand has 76 states, 49 states have (on average 1.510204081632653) internal successors, (74), 58 states have internal predecessors, (74), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) [2023-11-29 05:04:16,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-29 05:04:16,985 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:04:16,986 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:04:16,987 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:04:16,993 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:04:16,993 INFO L85 PathProgramCache]: Analyzing trace with hash -982965961, now seen corresponding path program 1 times [2023-11-29 05:04:17,003 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:04:17,004 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984330593] [2023-11-29 05:04:17,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:04:17,004 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:04:17,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:04:17,215 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-29 05:04:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:04:17,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:04:17,235 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:04:17,235 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984330593] [2023-11-29 05:04:17,236 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984330593] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:04:17,236 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:04:17,236 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 05:04:17,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [164317420] [2023-11-29 05:04:17,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:04:17,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 05:04:17,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:04:17,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 05:04:17,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 05:04:17,270 INFO L87 Difference]: Start difference. First operand has 76 states, 49 states have (on average 1.510204081632653) internal successors, (74), 58 states have internal predecessors, (74), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 12 states have call predecessors, (16), 16 states have call successors, (16) Second operand has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2023-11-29 05:04:17,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:04:17,331 INFO L93 Difference]: Finished difference Result 150 states and 213 transitions. [2023-11-29 05:04:17,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 05:04:17,333 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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 16 [2023-11-29 05:04:17,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:04:17,341 INFO L225 Difference]: With dead ends: 150 [2023-11-29 05:04:17,341 INFO L226 Difference]: Without dead ends: 71 [2023-11-29 05:04:17,345 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 [2023-11-29 05:04:17,348 INFO L413 NwaCegarLoop]: 86 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 86 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:04:17,350 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 86 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:04:17,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2023-11-29 05:04:17,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2023-11-29 05:04:17,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 46 states have (on average 1.391304347826087) internal successors, (64), 54 states have internal predecessors, (64), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 11 states have call predecessors, (15), 15 states have call successors, (15) [2023-11-29 05:04:17,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 95 transitions. [2023-11-29 05:04:17,391 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 95 transitions. Word has length 16 [2023-11-29 05:04:17,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:04:17,391 INFO L495 AbstractCegarLoop]: Abstraction has 71 states and 95 transitions. [2023-11-29 05:04:17,391 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.0) internal successors, (12), 2 states have internal predecessors, (12), 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) [2023-11-29 05:04:17,392 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 95 transitions. [2023-11-29 05:04:17,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-29 05:04:17,394 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:04:17,394 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 05:04:17,394 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 05:04:17,395 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:04:17,395 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:04:17,396 INFO L85 PathProgramCache]: Analyzing trace with hash 1462363695, now seen corresponding path program 1 times [2023-11-29 05:04:17,396 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:04:17,396 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722775121] [2023-11-29 05:04:17,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:04:17,397 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:04:17,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:04:17,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-29 05:04:17,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:04:17,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:04:17,503 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:04:17,503 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722775121] [2023-11-29 05:04:17,503 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722775121] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:04:17,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:04:17,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:04:17,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630576493] [2023-11-29 05:04:17,504 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:04:17,506 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:04:17,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:04:17,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:04:17,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:04:17,508 INFO L87 Difference]: Start difference. First operand 71 states and 95 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2023-11-29 05:04:17,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:04:17,554 INFO L93 Difference]: Finished difference Result 112 states and 148 transitions. [2023-11-29 05:04:17,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:04:17,554 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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 [2023-11-29 05:04:17,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:04:17,556 INFO L225 Difference]: With dead ends: 112 [2023-11-29 05:04:17,557 INFO L226 Difference]: Without dead ends: 63 [2023-11-29 05:04:17,558 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 [2023-11-29 05:04:17,560 INFO L413 NwaCegarLoop]: 72 mSDtfsCounter, 14 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:04:17,560 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 128 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:04:17,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2023-11-29 05:04:17,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2023-11-29 05:04:17,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 49 states have internal predecessors, (58), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 9 states have call predecessors, (13), 13 states have call successors, (13) [2023-11-29 05:04:17,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 84 transitions. [2023-11-29 05:04:17,575 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 84 transitions. Word has length 17 [2023-11-29 05:04:17,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:04:17,576 INFO L495 AbstractCegarLoop]: Abstraction has 63 states and 84 transitions. [2023-11-29 05:04:17,576 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 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) [2023-11-29 05:04:17,576 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 84 transitions. [2023-11-29 05:04:17,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-29 05:04:17,578 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:04:17,578 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] [2023-11-29 05:04:17,578 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 05:04:17,579 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:04:17,579 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:04:17,580 INFO L85 PathProgramCache]: Analyzing trace with hash -965908284, now seen corresponding path program 1 times [2023-11-29 05:04:17,580 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:04:17,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1205605371] [2023-11-29 05:04:17,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:04:17,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:04:17,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:04:17,665 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-29 05:04:17,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:04:17,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:04:17,670 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:04:17,670 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1205605371] [2023-11-29 05:04:17,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1205605371] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:04:17,671 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:04:17,671 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 05:04:17,671 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438247554] [2023-11-29 05:04:17,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:04:17,672 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 05:04:17,672 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:04:17,673 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 05:04:17,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 05:04:17,674 INFO L87 Difference]: Start difference. First operand 63 states and 84 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2023-11-29 05:04:17,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:04:17,742 INFO L93 Difference]: Finished difference Result 185 states and 249 transitions. [2023-11-29 05:04:17,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 05:04:17,743 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 20 [2023-11-29 05:04:17,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:04:17,745 INFO L225 Difference]: With dead ends: 185 [2023-11-29 05:04:17,746 INFO L226 Difference]: Without dead ends: 124 [2023-11-29 05:04:17,747 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 [2023-11-29 05:04:17,748 INFO L413 NwaCegarLoop]: 81 mSDtfsCounter, 78 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:04:17,749 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 151 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:04:17,750 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2023-11-29 05:04:17,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 121. [2023-11-29 05:04:17,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 78 states have (on average 1.4230769230769231) internal successors, (111), 93 states have internal predecessors, (111), 26 states have call successors, (26), 16 states have call predecessors, (26), 16 states have return successors, (26), 17 states have call predecessors, (26), 26 states have call successors, (26) [2023-11-29 05:04:17,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 163 transitions. [2023-11-29 05:04:17,780 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 163 transitions. Word has length 20 [2023-11-29 05:04:17,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:04:17,780 INFO L495 AbstractCegarLoop]: Abstraction has 121 states and 163 transitions. [2023-11-29 05:04:17,780 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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) [2023-11-29 05:04:17,781 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 163 transitions. [2023-11-29 05:04:17,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-29 05:04:17,783 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 05:04:17,783 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] [2023-11-29 05:04:17,783 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 05:04:17,784 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-29 05:04:17,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 05:04:17,784 INFO L85 PathProgramCache]: Analyzing trace with hash -383541838, now seen corresponding path program 1 times [2023-11-29 05:04:17,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 05:04:17,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1449390469] [2023-11-29 05:04:17,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 05:04:17,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 05:04:17,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:04:17,910 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-29 05:04:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 05:04:17,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 05:04:17,916 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 05:04:17,916 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1449390469] [2023-11-29 05:04:17,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1449390469] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 05:04:17,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 05:04:17,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-29 05:04:17,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690881156] [2023-11-29 05:04:17,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 05:04:17,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 05:04:17,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 05:04:17,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 05:04:17,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 05:04:17,919 INFO L87 Difference]: Start difference. First operand 121 states and 163 transitions. Second operand has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2023-11-29 05:04:17,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 05:04:17,987 INFO L93 Difference]: Finished difference Result 202 states and 273 transitions. [2023-11-29 05:04:17,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 05:04:17,988 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 23 [2023-11-29 05:04:17,989 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 05:04:17,989 INFO L225 Difference]: With dead ends: 202 [2023-11-29 05:04:17,989 INFO L226 Difference]: Without dead ends: 0 [2023-11-29 05:04:17,991 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 [2023-11-29 05:04:17,993 INFO L413 NwaCegarLoop]: 37 mSDtfsCounter, 33 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 73 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 05:04:17,994 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 73 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 05:04:17,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-29 05:04:17,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-29 05:04:17,995 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) [2023-11-29 05:04:17,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-29 05:04:17,996 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 23 [2023-11-29 05:04:17,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 05:04:17,996 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-29 05:04:17,996 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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) [2023-11-29 05:04:17,996 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-29 05:04:17,997 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-29 05:04:18,000 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-29 05:04:18,000 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-29 05:04:18,003 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-29 05:04:18,212 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 765 772) no Hoare annotation was computed. [2023-11-29 05:04:18,212 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 765 772) the Hoare annotation is: true [2023-11-29 05:04:18,212 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 681 687) no Hoare annotation was computed. [2023-11-29 05:04:18,212 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 681 687) the Hoare annotation is: true [2023-11-29 05:04:18,213 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 449 460) the Hoare annotation is: true [2023-11-29 05:04:18,213 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 449 460) no Hoare annotation was computed. [2023-11-29 05:04:18,213 INFO L899 garLoopResultBuilder]: For program point L453-1(lines 449 460) no Hoare annotation was computed. [2023-11-29 05:04:18,213 INFO L899 garLoopResultBuilder]: For program point L896(lines 896 900) no Hoare annotation was computed. [2023-11-29 05:04:18,213 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 882 911) no Hoare annotation was computed. [2023-11-29 05:04:18,213 INFO L902 garLoopResultBuilder]: At program point L896-1(lines 896 900) the Hoare annotation is: true [2023-11-29 05:04:18,213 INFO L902 garLoopResultBuilder]: At program point L892-2(lines 892 906) the Hoare annotation is: true [2023-11-29 05:04:18,214 INFO L902 garLoopResultBuilder]: At program point L888(line 888) the Hoare annotation is: true [2023-11-29 05:04:18,214 INFO L899 garLoopResultBuilder]: For program point L888-1(line 888) no Hoare annotation was computed. [2023-11-29 05:04:18,214 INFO L899 garLoopResultBuilder]: For program point L907(lines 882 911) no Hoare annotation was computed. [2023-11-29 05:04:18,214 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 882 911) the Hoare annotation is: true [2023-11-29 05:04:18,214 INFO L899 garLoopResultBuilder]: For program point L903(line 903) no Hoare annotation was computed. [2023-11-29 05:04:18,214 INFO L895 garLoopResultBuilder]: At program point L729(line 729) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-29 05:04:18,215 INFO L895 garLoopResultBuilder]: At program point L725(line 725) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-29 05:04:18,215 INFO L899 garLoopResultBuilder]: For program point L564(lines 564 570) no Hoare annotation was computed. [2023-11-29 05:04:18,215 INFO L895 garLoopResultBuilder]: At program point L721(line 721) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-29 05:04:18,215 INFO L899 garLoopResultBuilder]: For program point L721-1(line 721) no Hoare annotation was computed. [2023-11-29 05:04:18,215 INFO L899 garLoopResultBuilder]: For program point L560(lines 560 573) no Hoare annotation was computed. [2023-11-29 05:04:18,215 INFO L899 garLoopResultBuilder]: For program point L560-1(lines 552 576) no Hoare annotation was computed. [2023-11-29 05:04:18,215 INFO L895 garLoopResultBuilder]: At program point L734(line 734) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-29 05:04:18,216 INFO L899 garLoopResultBuilder]: For program point L734-1(lines 715 739) no Hoare annotation was computed. [2023-11-29 05:04:18,216 INFO L899 garLoopResultBuilder]: For program point L668-1(lines 668 674) no Hoare annotation was computed. [2023-11-29 05:04:18,216 INFO L899 garLoopResultBuilder]: For program point L429(lines 429 433) no Hoare annotation was computed. [2023-11-29 05:04:18,216 INFO L899 garLoopResultBuilder]: For program point L429-2(lines 425 436) no Hoare annotation was computed. [2023-11-29 05:04:18,216 INFO L899 garLoopResultBuilder]: For program point L661-1(lines 660 679) no Hoare annotation was computed. [2023-11-29 05:04:18,216 INFO L899 garLoopResultBuilder]: For program point L723(lines 723 731) no Hoare annotation was computed. [2023-11-29 05:04:18,217 INFO L899 garLoopResultBuilder]: For program point L719(lines 719 736) no Hoare annotation was computed. [2023-11-29 05:04:18,217 INFO L895 garLoopResultBuilder]: At program point L558(line 558) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-29 05:04:18,217 INFO L899 garLoopResultBuilder]: For program point L558-1(line 558) no Hoare annotation was computed. [2023-11-29 05:04:18,217 INFO L899 garLoopResultBuilder]: For program point L876(line 876) no Hoare annotation was computed. [2023-11-29 05:04:18,217 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 657 680) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-29 05:04:18,217 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 657 680) no Hoare annotation was computed. [2023-11-29 05:04:18,218 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 876) no Hoare annotation was computed. [2023-11-29 05:04:18,218 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 461 469) the Hoare annotation is: true [2023-11-29 05:04:18,218 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 461 469) no Hoare annotation was computed. [2023-11-29 05:04:18,218 INFO L899 garLoopResultBuilder]: For program point L630(lines 630 636) no Hoare annotation was computed. [2023-11-29 05:04:18,218 INFO L895 garLoopResultBuilder]: At program point L630-2(lines 622 637) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 05:04:18,218 INFO L899 garLoopResultBuilder]: For program point L593(lines 592 641) no Hoare annotation was computed. [2023-11-29 05:04:18,219 INFO L899 garLoopResultBuilder]: For program point L622(lines 622 637) no Hoare annotation was computed. [2023-11-29 05:04:18,219 INFO L895 garLoopResultBuilder]: At program point L614(line 614) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 05:04:18,219 INFO L895 garLoopResultBuilder]: At program point L639(lines 592 641) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 05:04:18,219 INFO L899 garLoopResultBuilder]: For program point L602(lines 602 608) no Hoare annotation was computed. [2023-11-29 05:04:18,219 INFO L899 garLoopResultBuilder]: For program point L602-1(lines 602 608) no Hoare annotation was computed. [2023-11-29 05:04:18,219 INFO L895 garLoopResultBuilder]: At program point L854(line 854) the Hoare annotation is: false [2023-11-29 05:04:18,220 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-29 05:04:18,220 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-29 05:04:18,220 INFO L899 garLoopResultBuilder]: For program point L645(lines 582 649) no Hoare annotation was computed. [2023-11-29 05:04:18,220 INFO L899 garLoopResultBuilder]: For program point L612(lines 612 618) no Hoare annotation was computed. [2023-11-29 05:04:18,220 INFO L899 garLoopResultBuilder]: For program point L963(lines 963 970) no Hoare annotation was computed. [2023-11-29 05:04:18,220 INFO L899 garLoopResultBuilder]: For program point L612-1(lines 612 618) no Hoare annotation was computed. [2023-11-29 05:04:18,220 INFO L899 garLoopResultBuilder]: For program point L963-2(lines 963 970) no Hoare annotation was computed. [2023-11-29 05:04:18,221 INFO L895 garLoopResultBuilder]: At program point L604(line 604) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2023-11-29 05:04:18,221 INFO L899 garLoopResultBuilder]: For program point L852(lines 852 858) no Hoare annotation was computed. [2023-11-29 05:04:18,221 INFO L899 garLoopResultBuilder]: For program point L852-1(lines 852 858) no Hoare annotation was computed. [2023-11-29 05:04:18,221 INFO L895 garLoopResultBuilder]: At program point L642(lines 591 643) the Hoare annotation is: false [2023-11-29 05:04:18,221 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 437 448) no Hoare annotation was computed. [2023-11-29 05:04:18,221 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 437 448) the Hoare annotation is: true [2023-11-29 05:04:18,221 INFO L899 garLoopResultBuilder]: For program point L441-1(lines 437 448) no Hoare annotation was computed. [2023-11-29 05:04:18,222 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 689 713) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-29 05:04:18,222 INFO L895 garLoopResultBuilder]: At program point L703(line 703) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-29 05:04:18,222 INFO L895 garLoopResultBuilder]: At program point L699(line 699) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-29 05:04:18,222 INFO L899 garLoopResultBuilder]: For program point L697(lines 697 705) no Hoare annotation was computed. [2023-11-29 05:04:18,222 INFO L899 garLoopResultBuilder]: For program point L693(lines 693 710) no Hoare annotation was computed. [2023-11-29 05:04:18,222 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 689 713) no Hoare annotation was computed. [2023-11-29 05:04:18,222 INFO L899 garLoopResultBuilder]: For program point L838(lines 838 842) no Hoare annotation was computed. [2023-11-29 05:04:18,223 INFO L899 garLoopResultBuilder]: For program point L838-2(lines 838 842) no Hoare annotation was computed. [2023-11-29 05:04:18,223 INFO L895 garLoopResultBuilder]: At program point L708(line 708) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-29 05:04:18,223 INFO L899 garLoopResultBuilder]: For program point L708-1(lines 689 713) no Hoare annotation was computed. [2023-11-29 05:04:18,223 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 773 783) no Hoare annotation was computed. [2023-11-29 05:04:18,223 INFO L902 garLoopResultBuilder]: At program point L778(line 778) the Hoare annotation is: true [2023-11-29 05:04:18,223 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 773 783) the Hoare annotation is: true [2023-11-29 05:04:18,223 INFO L899 garLoopResultBuilder]: For program point L778-1(line 778) no Hoare annotation was computed. [2023-11-29 05:04:18,226 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-29 05:04:18,228 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-29 05:04:18,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.11 05:04:18 BoogieIcfgContainer [2023-11-29 05:04:18,237 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-29 05:04:18,238 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-29 05:04:18,238 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-29 05:04:18,238 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-29 05:04:18,238 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 05:04:16" (3/4) ... [2023-11-29 05:04:18,245 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-29 05:04:18,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-29 05:04:18,248 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-29 05:04:18,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-29 05:04:18,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-29 05:04:18,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-29 05:04:18,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-29 05:04:18,249 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-29 05:04:18,250 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-29 05:04:18,250 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-29 05:04:18,258 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 32 nodes and edges [2023-11-29 05:04:18,258 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-29 05:04:18,259 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-29 05:04:18,260 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 05:04:18,260 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-29 05:04:18,374 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38f6e78-a7c5-4450-a207-8d3abb266736/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-29 05:04:18,375 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38f6e78-a7c5-4450-a207-8d3abb266736/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-29 05:04:18,375 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-29 05:04:18,376 INFO L158 Benchmark]: Toolchain (without parser) took 2499.50ms. Allocated memory is still 155.2MB. Free memory was 120.6MB in the beginning and 117.9MB in the end (delta: 2.7MB). Peak memory consumption was 65.5MB. Max. memory is 16.1GB. [2023-11-29 05:04:18,376 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 119.5MB. Free memory was 82.1MB in the beginning and 82.1MB in the end (delta: 32.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 05:04:18,376 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.08ms. Allocated memory is still 155.2MB. Free memory was 120.6MB in the beginning and 101.0MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 05:04:18,377 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.23ms. Allocated memory is still 155.2MB. Free memory was 101.0MB in the beginning and 98.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:04:18,377 INFO L158 Benchmark]: Boogie Preprocessor took 50.20ms. Allocated memory is still 155.2MB. Free memory was 98.8MB in the beginning and 96.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:04:18,378 INFO L158 Benchmark]: RCFGBuilder took 481.19ms. Allocated memory is still 155.2MB. Free memory was 96.8MB in the beginning and 75.2MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-29 05:04:18,378 INFO L158 Benchmark]: TraceAbstraction took 1354.00ms. Allocated memory is still 155.2MB. Free memory was 74.5MB in the beginning and 58.0MB in the end (delta: 16.5MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. [2023-11-29 05:04:18,378 INFO L158 Benchmark]: Witness Printer took 137.18ms. Allocated memory is still 155.2MB. Free memory was 58.0MB in the beginning and 117.9MB in the end (delta: -59.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 05:04:18,381 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 119.5MB. Free memory was 82.1MB in the beginning and 82.1MB in the end (delta: 32.2kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.08ms. Allocated memory is still 155.2MB. Free memory was 120.6MB in the beginning and 101.0MB in the end (delta: 19.6MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.23ms. Allocated memory is still 155.2MB. Free memory was 101.0MB in the beginning and 98.8MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.20ms. Allocated memory is still 155.2MB. Free memory was 98.8MB in the beginning and 96.8MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 481.19ms. Allocated memory is still 155.2MB. Free memory was 96.8MB in the beginning and 75.2MB in the end (delta: 21.6MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1354.00ms. Allocated memory is still 155.2MB. Free memory was 74.5MB in the beginning and 58.0MB in the end (delta: 16.5MB). Peak memory consumption was 17.2MB. Max. memory is 16.1GB. * Witness Printer took 137.18ms. Allocated memory is still 155.2MB. Free memory was 58.0MB in the beginning and 117.9MB in the end (delta: -59.9MB). Peak memory consumption was 2.1MB. 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,"libacc.i","") [49] - GenericResultAtLocation [Line: 415]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415] - GenericResultAtLocation [Line: 511]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [511] - GenericResultAtLocation [Line: 549]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [549] - GenericResultAtLocation [Line: 577]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [577] - GenericResultAtLocation [Line: 650]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [650] - GenericResultAtLocation [Line: 871]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [871] - GenericResultAtLocation [Line: 880]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [880] * 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: 876]: 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 10 procedures, 76 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 129 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 125 mSDsluCounter, 438 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 162 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 88 IncrementalHoareTripleChecker+Invalid, 93 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 276 mSDtfsCounter, 88 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=121occurred in iteration=3, InterpolantAutomatonStates: 12, 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, 27 LocationsWithAnnotation, 182 PreInvPairs, 194 NumberOfFragments, 101 HoareAnnotationTreeSize, 182 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 239 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 72 ConstructedInterpolants, 0 QuantifiedInterpolants, 120 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: 592]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 591]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-29 05:04:18,397 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c38f6e78-a7c5-4450-a207-8d3abb266736/bin/uautomizer-verify-BQ2R08f2Ya/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