./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a88835-0ae1-4d00-93c5-65f90c6d9b02/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a88835-0ae1-4d00-93c5-65f90c6d9b02/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_a8a88835-0ae1-4d00-93c5-65f90c6d9b02/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a88835-0ae1-4d00-93c5-65f90c6d9b02/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a88835-0ae1-4d00-93c5-65f90c6d9b02/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_a8a88835-0ae1-4d00-93c5-65f90c6d9b02/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 2b0f126ee4d94a96683a291e8cdda3d32342b26980ee5a2243ede6664f8cbf9b --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-28 20:24:10,517 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-28 20:24:10,579 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a88835-0ae1-4d00-93c5-65f90c6d9b02/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-28 20:24:10,583 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-28 20:24:10,584 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-28 20:24:10,607 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-28 20:24:10,608 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-28 20:24:10,608 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-28 20:24:10,609 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-28 20:24:10,609 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-28 20:24:10,610 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-28 20:24:10,610 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-28 20:24:10,611 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-28 20:24:10,612 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-28 20:24:10,612 INFO L153 SettingsManager]: * Use SBE=true [2023-11-28 20:24:10,613 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-28 20:24:10,613 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-28 20:24:10,614 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-28 20:24:10,614 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-28 20:24:10,615 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-28 20:24:10,615 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-28 20:24:10,616 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-28 20:24:10,616 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-28 20:24:10,617 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-28 20:24:10,617 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-28 20:24:10,618 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-28 20:24:10,618 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-28 20:24:10,619 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-28 20:24:10,619 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-28 20:24:10,619 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-28 20:24:10,620 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-28 20:24:10,620 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:24:10,620 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-28 20:24:10,621 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-28 20:24:10,621 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-28 20:24:10,621 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-28 20:24:10,621 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-28 20:24:10,621 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-28 20:24:10,622 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-28 20:24:10,622 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-28 20:24:10,622 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-28 20:24:10,622 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-28 20:24:10,622 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_a8a88835-0ae1-4d00-93c5-65f90c6d9b02/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a88835-0ae1-4d00-93c5-65f90c6d9b02/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2b0f126ee4d94a96683a291e8cdda3d32342b26980ee5a2243ede6664f8cbf9b [2023-11-28 20:24:10,837 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-28 20:24:10,859 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-28 20:24:10,862 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-28 20:24:10,863 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-28 20:24:10,864 INFO L274 PluginConnector]: CDTParser initialized [2023-11-28 20:24:10,865 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a88835-0ae1-4d00-93c5-65f90c6d9b02/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2023-11-28 20:24:13,671 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-28 20:24:13,869 INFO L384 CDTParser]: Found 1 translation units. [2023-11-28 20:24:13,869 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a88835-0ae1-4d00-93c5-65f90c6d9b02/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c [2023-11-28 20:24:13,884 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a88835-0ae1-4d00-93c5-65f90c6d9b02/bin/uautomizer-verify-BQ2R08f2Ya/data/4e9e91e46/17020e731e0e472486832d4d437593d9/FLAGb4de2fcdb [2023-11-28 20:24:13,899 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a88835-0ae1-4d00-93c5-65f90c6d9b02/bin/uautomizer-verify-BQ2R08f2Ya/data/4e9e91e46/17020e731e0e472486832d4d437593d9 [2023-11-28 20:24:13,901 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-28 20:24:13,903 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-28 20:24:13,904 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-28 20:24:13,904 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-28 20:24:13,909 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-28 20:24:13,909 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:24:13" (1/1) ... [2023-11-28 20:24:13,910 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4ebb7d56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:24:13, skipping insertion in model container [2023-11-28 20:24:13,911 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:24:13" (1/1) ... [2023-11-28 20:24:13,958 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-28 20:24:14,113 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_a8a88835-0ae1-4d00-93c5-65f90c6d9b02/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c[1605,1618] [2023-11-28 20:24:14,230 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:24:14,243 INFO L202 MainTranslator]: Completed pre-run [2023-11-28 20:24:14,255 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2023-11-28 20:24:14,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] [2023-11-28 20:24:14,257 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] [2023-11-28 20:24:14,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [360] [2023-11-28 20:24:14,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [461] [2023-11-28 20:24:14,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [496] [2023-11-28 20:24:14,258 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [586] [2023-11-28 20:24:14,259 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [625] [2023-11-28 20:24:14,263 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_a8a88835-0ae1-4d00-93c5-65f90c6d9b02/sv-benchmarks/c/product-lines/minepump_spec2_product32.cil.c[1605,1618] [2023-11-28 20:24:14,316 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-28 20:24:14,337 INFO L206 MainTranslator]: Completed translation [2023-11-28 20:24:14,338 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:24:14 WrapperNode [2023-11-28 20:24:14,338 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-28 20:24:14,339 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-28 20:24:14,339 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-28 20:24:14,339 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-28 20:24:14,346 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:24:14" (1/1) ... [2023-11-28 20:24:14,361 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:24:14" (1/1) ... [2023-11-28 20:24:14,387 INFO L138 Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 22, calls inlined = 18, statements flattened = 185 [2023-11-28 20:24:14,388 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-28 20:24:14,389 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-28 20:24:14,389 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-28 20:24:14,389 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-28 20:24:14,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:24:14" (1/1) ... [2023-11-28 20:24:14,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:24:14" (1/1) ... [2023-11-28 20:24:14,403 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:24:14" (1/1) ... [2023-11-28 20:24:14,418 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]. [2023-11-28 20:24:14,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:24:14" (1/1) ... [2023-11-28 20:24:14,418 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:24:14" (1/1) ... [2023-11-28 20:24:14,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:24:14" (1/1) ... [2023-11-28 20:24:14,429 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:24:14" (1/1) ... [2023-11-28 20:24:14,431 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:24:14" (1/1) ... [2023-11-28 20:24:14,433 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:24:14" (1/1) ... [2023-11-28 20:24:14,435 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-28 20:24:14,436 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-28 20:24:14,436 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-28 20:24:14,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-28 20:24:14,437 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:24:14" (1/1) ... [2023-11-28 20:24:14,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-28 20:24:14,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a88835-0ae1-4d00-93c5-65f90c6d9b02/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-28 20:24:14,465 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a88835-0ae1-4d00-93c5-65f90c6d9b02/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-28 20:24:14,469 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a88835-0ae1-4d00-93c5-65f90c6d9b02/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-28 20:24:14,494 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-28 20:24:14,495 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2023-11-28 20:24:14,495 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2023-11-28 20:24:14,495 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2023-11-28 20:24:14,495 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2023-11-28 20:24:14,495 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2023-11-28 20:24:14,495 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2023-11-28 20:24:14,496 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2023-11-28 20:24:14,496 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2023-11-28 20:24:14,496 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2023-11-28 20:24:14,496 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2023-11-28 20:24:14,496 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2023-11-28 20:24:14,496 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2023-11-28 20:24:14,496 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2023-11-28 20:24:14,497 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2023-11-28 20:24:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2023-11-28 20:24:14,497 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2023-11-28 20:24:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-28 20:24:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2023-11-28 20:24:14,497 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2023-11-28 20:24:14,497 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-28 20:24:14,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-28 20:24:14,583 INFO L241 CfgBuilder]: Building ICFG [2023-11-28 20:24:14,586 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-28 20:24:14,827 INFO L282 CfgBuilder]: Performing block encoding [2023-11-28 20:24:14,895 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-28 20:24:14,895 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-28 20:24:14,896 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:24:14 BoogieIcfgContainer [2023-11-28 20:24:14,896 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-28 20:24:14,898 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-28 20:24:14,899 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-28 20:24:14,901 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-28 20:24:14,901 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:24:13" (1/3) ... [2023-11-28 20:24:14,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c43349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:24:14, skipping insertion in model container [2023-11-28 20:24:14,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:24:14" (2/3) ... [2023-11-28 20:24:14,902 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38c43349 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:24:14, skipping insertion in model container [2023-11-28 20:24:14,902 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:24:14" (3/3) ... [2023-11-28 20:24:14,903 INFO L112 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product32.cil.c [2023-11-28 20:24:14,919 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-28 20:24:14,919 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-28 20:24:14,960 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-28 20:24:14,965 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;@188752fd, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-28 20:24:14,965 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-28 20:24:14,969 INFO L276 IsEmpty]: Start isEmpty. Operand has 77 states, 50 states have (on average 1.52) internal successors, (76), 59 states have internal predecessors, (76), 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) [2023-11-28 20:24:14,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-28 20:24:14,978 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:24:14,978 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:24:14,979 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:24:14,984 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:24:14,984 INFO L85 PathProgramCache]: Analyzing trace with hash -518921556, now seen corresponding path program 1 times [2023-11-28 20:24:14,993 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:24:14,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [63662395] [2023-11-28 20:24:14,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:24:14,994 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:24:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:24:15,175 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2023-11-28 20:24:15,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:24:15,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:24:15,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:24:15,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [63662395] [2023-11-28 20:24:15,185 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [63662395] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:24:15,185 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:24:15,185 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-28 20:24:15,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1798643649] [2023-11-28 20:24:15,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:24:15,191 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-28 20:24:15,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:24:15,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-28 20:24:15,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-28 20:24:15,223 INFO L87 Difference]: Start difference. First operand has 77 states, 50 states have (on average 1.52) internal successors, (76), 59 states have internal predecessors, (76), 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 6.5) 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) [2023-11-28 20:24:15,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:24:15,281 INFO L93 Difference]: Finished difference Result 152 states and 217 transitions. [2023-11-28 20:24:15,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-28 20:24:15,283 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 [2023-11-28 20:24:15,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:24:15,290 INFO L225 Difference]: With dead ends: 152 [2023-11-28 20:24:15,290 INFO L226 Difference]: Without dead ends: 72 [2023-11-28 20:24:15,293 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 [2023-11-28 20:24:15,296 INFO L413 NwaCegarLoop]: 88 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, 88 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 [2023-11-28 20:24:15,297 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:24:15,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2023-11-28 20:24:15,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2023-11-28 20:24:15,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 47 states have (on average 1.4042553191489362) internal successors, (66), 55 states have internal predecessors, (66), 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) [2023-11-28 20:24:15,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 97 transitions. [2023-11-28 20:24:15,331 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 97 transitions. Word has length 17 [2023-11-28 20:24:15,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:24:15,332 INFO L495 AbstractCegarLoop]: Abstraction has 72 states and 97 transitions. [2023-11-28 20:24:15,332 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) [2023-11-28 20:24:15,332 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 97 transitions. [2023-11-28 20:24:15,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-28 20:24:15,335 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:24:15,335 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-28 20:24:15,335 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-28 20:24:15,335 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:24:15,336 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:24:15,336 INFO L85 PathProgramCache]: Analyzing trace with hash -32452082, now seen corresponding path program 1 times [2023-11-28 20:24:15,336 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:24:15,336 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547103630] [2023-11-28 20:24:15,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:24:15,337 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:24:15,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:24:15,424 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2023-11-28 20:24:15,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:24:15,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:24:15,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:24:15,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547103630] [2023-11-28 20:24:15,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547103630] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:24:15,430 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:24:15,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-28 20:24:15,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329812204] [2023-11-28 20:24:15,430 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:24:15,431 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-28 20:24:15,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:24:15,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-28 20:24:15,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-28 20:24:15,432 INFO L87 Difference]: Start difference. First operand 72 states and 97 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) [2023-11-28 20:24:15,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:24:15,468 INFO L93 Difference]: Finished difference Result 114 states and 152 transitions. [2023-11-28 20:24:15,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-28 20:24:15,469 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 [2023-11-28 20:24:15,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:24:15,470 INFO L225 Difference]: With dead ends: 114 [2023-11-28 20:24:15,471 INFO L226 Difference]: Without dead ends: 64 [2023-11-28 20:24:15,472 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 [2023-11-28 20:24:15,473 INFO L413 NwaCegarLoop]: 74 mSDtfsCounter, 14 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 132 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 [2023-11-28 20:24:15,474 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 132 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:24:15,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2023-11-28 20:24:15,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64. [2023-11-28 20:24:15,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 64 states, 42 states have (on average 1.4285714285714286) internal successors, (60), 50 states have internal predecessors, (60), 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) [2023-11-28 20:24:15,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 86 transitions. [2023-11-28 20:24:15,486 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 86 transitions. Word has length 18 [2023-11-28 20:24:15,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:24:15,486 INFO L495 AbstractCegarLoop]: Abstraction has 64 states and 86 transitions. [2023-11-28 20:24:15,486 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) [2023-11-28 20:24:15,487 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 86 transitions. [2023-11-28 20:24:15,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-11-28 20:24:15,488 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:24:15,488 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] [2023-11-28 20:24:15,488 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-28 20:24:15,489 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:24:15,489 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:24:15,489 INFO L85 PathProgramCache]: Analyzing trace with hash -2128039479, now seen corresponding path program 1 times [2023-11-28 20:24:15,490 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:24:15,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1240468097] [2023-11-28 20:24:15,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:24:15,490 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:24:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:24:15,592 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2023-11-28 20:24:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:24:15,596 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:24:15,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:24:15,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1240468097] [2023-11-28 20:24:15,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1240468097] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:24:15,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:24:15,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:24:15,597 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1311883942] [2023-11-28 20:24:15,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:24:15,598 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:24:15,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:24:15,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:24:15,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:24:15,599 INFO L87 Difference]: Start difference. First operand 64 states and 86 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) [2023-11-28 20:24:15,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:24:15,687 INFO L93 Difference]: Finished difference Result 164 states and 222 transitions. [2023-11-28 20:24:15,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2023-11-28 20:24:15,688 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 [2023-11-28 20:24:15,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:24:15,690 INFO L225 Difference]: With dead ends: 164 [2023-11-28 20:24:15,691 INFO L226 Difference]: Without dead ends: 102 [2023-11-28 20:24:15,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-28 20:24:15,693 INFO L413 NwaCegarLoop]: 80 mSDtfsCounter, 109 mSDsluCounter, 108 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-28 20:24:15,694 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 188 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-28 20:24:15,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2023-11-28 20:24:15,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 99. [2023-11-28 20:24:15,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 99 states, 67 states have (on average 1.4477611940298507) internal successors, (97), 78 states have internal predecessors, (97), 18 states have call successors, (18), 13 states have call predecessors, (18), 13 states have return successors, (19), 13 states have call predecessors, (19), 18 states have call successors, (19) [2023-11-28 20:24:15,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 134 transitions. [2023-11-28 20:24:15,716 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 134 transitions. Word has length 21 [2023-11-28 20:24:15,716 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:24:15,716 INFO L495 AbstractCegarLoop]: Abstraction has 99 states and 134 transitions. [2023-11-28 20:24:15,716 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) [2023-11-28 20:24:15,717 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 134 transitions. [2023-11-28 20:24:15,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-28 20:24:15,718 INFO L187 NwaCegarLoop]: Found error trace [2023-11-28 20:24:15,718 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] [2023-11-28 20:24:15,719 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-28 20:24:15,719 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-28 20:24:15,719 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-28 20:24:15,720 INFO L85 PathProgramCache]: Analyzing trace with hash -1645279058, now seen corresponding path program 1 times [2023-11-28 20:24:15,720 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-28 20:24:15,720 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792274562] [2023-11-28 20:24:15,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-28 20:24:15,720 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-28 20:24:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:24:15,816 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2023-11-28 20:24:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-28 20:24:15,822 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-28 20:24:15,822 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-28 20:24:15,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792274562] [2023-11-28 20:24:15,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792274562] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-28 20:24:15,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-28 20:24:15,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2023-11-28 20:24:15,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149446320] [2023-11-28 20:24:15,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-28 20:24:15,824 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-28 20:24:15,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-28 20:24:15,825 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-28 20:24:15,825 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-28 20:24:15,825 INFO L87 Difference]: Start difference. First operand 99 states and 134 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) [2023-11-28 20:24:15,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-28 20:24:15,873 INFO L93 Difference]: Finished difference Result 170 states and 233 transitions. [2023-11-28 20:24:15,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-28 20:24:15,873 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 [2023-11-28 20:24:15,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-28 20:24:15,874 INFO L225 Difference]: With dead ends: 170 [2023-11-28 20:24:15,874 INFO L226 Difference]: Without dead ends: 0 [2023-11-28 20:24:15,876 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 [2023-11-28 20:24:15,878 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 [2023-11-28 20:24:15,878 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] [2023-11-28 20:24:15,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2023-11-28 20:24:15,879 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2023-11-28 20:24:15,880 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) [2023-11-28 20:24:15,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2023-11-28 20:24:15,880 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2023-11-28 20:24:15,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-28 20:24:15,880 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2023-11-28 20:24:15,881 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) [2023-11-28 20:24:15,881 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2023-11-28 20:24:15,881 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-28 20:24:15,883 INFO L805 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2023-11-28 20:24:15,884 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2023-11-28 20:24:15,886 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2023-11-28 20:24:16,087 INFO L899 garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 254 261) no Hoare annotation was computed. [2023-11-28 20:24:16,087 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 254 261) the Hoare annotation is: true [2023-11-28 20:24:16,087 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 170 176) no Hoare annotation was computed. [2023-11-28 20:24:16,088 INFO L902 garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 170 176) the Hoare annotation is: true [2023-11-28 20:24:16,088 INFO L899 garLoopResultBuilder]: For program point L528-1(lines 524 535) no Hoare annotation was computed. [2023-11-28 20:24:16,088 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 524 535) the Hoare annotation is: true [2023-11-28 20:24:16,088 INFO L899 garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 524 535) no Hoare annotation was computed. [2023-11-28 20:24:16,088 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 536 544) the Hoare annotation is: true [2023-11-28 20:24:16,088 INFO L899 garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 536 544) no Hoare annotation was computed. [2023-11-28 20:24:16,088 INFO L899 garLoopResultBuilder]: For program point cleanupEXIT(lines 362 391) no Hoare annotation was computed. [2023-11-28 20:24:16,089 INFO L899 garLoopResultBuilder]: For program point L383(line 383) no Hoare annotation was computed. [2023-11-28 20:24:16,089 INFO L899 garLoopResultBuilder]: For program point L376(lines 376 380) no Hoare annotation was computed. [2023-11-28 20:24:16,089 INFO L902 garLoopResultBuilder]: At program point L376-1(lines 376 380) the Hoare annotation is: true [2023-11-28 20:24:16,089 INFO L902 garLoopResultBuilder]: At program point L372-2(lines 372 386) the Hoare annotation is: true [2023-11-28 20:24:16,089 INFO L902 garLoopResultBuilder]: At program point L368(line 368) the Hoare annotation is: true [2023-11-28 20:24:16,089 INFO L899 garLoopResultBuilder]: For program point L368-1(line 368) no Hoare annotation was computed. [2023-11-28 20:24:16,089 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 362 391) the Hoare annotation is: true [2023-11-28 20:24:16,090 INFO L899 garLoopResultBuilder]: For program point L387(lines 362 391) no Hoare annotation was computed. [2023-11-28 20:24:16,090 INFO L899 garLoopResultBuilder]: For program point L609(lines 609 615) no Hoare annotation was computed. [2023-11-28 20:24:16,090 INFO L895 garLoopResultBuilder]: At program point L218(line 218) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-28 20:24:16,090 INFO L895 garLoopResultBuilder]: At program point L602(line 602) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-28 20:24:16,090 INFO L899 garLoopResultBuilder]: For program point L602-1(line 602) no Hoare annotation was computed. [2023-11-28 20:24:16,090 INFO L895 garLoopResultBuilder]: At program point L214(line 214) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-28 20:24:16,091 INFO L895 garLoopResultBuilder]: At program point L210(line 210) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2023-11-28 20:24:16,091 INFO L899 garLoopResultBuilder]: For program point L210-1(line 210) no Hoare annotation was computed. [2023-11-28 20:24:16,091 INFO L895 garLoopResultBuilder]: At program point L223(line 223) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0)))) [2023-11-28 20:24:16,091 INFO L899 garLoopResultBuilder]: For program point L223-1(lines 204 228) no Hoare annotation was computed. [2023-11-28 20:24:16,091 INFO L899 garLoopResultBuilder]: For program point L157-1(lines 157 163) no Hoare annotation was computed. [2023-11-28 20:24:16,091 INFO L899 garLoopResultBuilder]: For program point L504(lines 504 508) no Hoare annotation was computed. [2023-11-28 20:24:16,091 INFO L899 garLoopResultBuilder]: For program point L504-2(lines 500 511) no Hoare annotation was computed. [2023-11-28 20:24:16,091 INFO L899 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2023-11-28 20:24:16,092 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 146 169) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0)) [2023-11-28 20:24:16,092 INFO L899 garLoopResultBuilder]: For program point L608(lines 608 618) no Hoare annotation was computed. [2023-11-28 20:24:16,092 INFO L899 garLoopResultBuilder]: For program point L604(lines 604 621) no Hoare annotation was computed. [2023-11-28 20:24:16,092 INFO L899 garLoopResultBuilder]: For program point L604-1(lines 596 624) no Hoare annotation was computed. [2023-11-28 20:24:16,092 INFO L899 garLoopResultBuilder]: For program point L150-1(lines 149 168) no Hoare annotation was computed. [2023-11-28 20:24:16,092 INFO L899 garLoopResultBuilder]: For program point L212(lines 212 220) no Hoare annotation was computed. [2023-11-28 20:24:16,092 INFO L899 garLoopResultBuilder]: For program point L208(lines 208 225) no Hoare annotation was computed. [2023-11-28 20:24:16,092 INFO L899 garLoopResultBuilder]: For program point timeShiftEXIT(lines 146 169) no Hoare annotation was computed. [2023-11-28 20:24:16,093 INFO L899 garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2023-11-28 20:24:16,093 INFO L895 garLoopResultBuilder]: At program point L97(line 97) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1)) [2023-11-28 20:24:16,093 INFO L899 garLoopResultBuilder]: For program point L448(lines 448 455) no Hoare annotation was computed. [2023-11-28 20:24:16,093 INFO L899 garLoopResultBuilder]: For program point L448-2(lines 448 455) no Hoare annotation was computed. [2023-11-28 20:24:16,093 INFO L895 garLoopResultBuilder]: At program point L122(lines 75 124) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1)) [2023-11-28 20:24:16,093 INFO L899 garLoopResultBuilder]: For program point L85(lines 85 91) no Hoare annotation was computed. [2023-11-28 20:24:16,093 INFO L899 garLoopResultBuilder]: For program point L341(lines 341 347) no Hoare annotation was computed. [2023-11-28 20:24:16,094 INFO L899 garLoopResultBuilder]: For program point L85-1(lines 85 91) no Hoare annotation was computed. [2023-11-28 20:24:16,094 INFO L899 garLoopResultBuilder]: For program point L341-1(lines 341 347) no Hoare annotation was computed. [2023-11-28 20:24:16,094 INFO L899 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2023-11-28 20:24:16,094 INFO L899 garLoopResultBuilder]: For program point L128(lines 65 132) no Hoare annotation was computed. [2023-11-28 20:24:16,094 INFO L899 garLoopResultBuilder]: For program point L95(lines 95 101) no Hoare annotation was computed. [2023-11-28 20:24:16,094 INFO L899 garLoopResultBuilder]: For program point L95-1(lines 95 101) no Hoare annotation was computed. [2023-11-28 20:24:16,094 INFO L895 garLoopResultBuilder]: At program point L87(line 87) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1)) [2023-11-28 20:24:16,094 INFO L895 garLoopResultBuilder]: At program point L343(line 343) the Hoare annotation is: false [2023-11-28 20:24:16,095 INFO L899 garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed. [2023-11-28 20:24:16,095 INFO L895 garLoopResultBuilder]: At program point L125(lines 74 126) the Hoare annotation is: false [2023-11-28 20:24:16,095 INFO L899 garLoopResultBuilder]: For program point L113(lines 113 119) no Hoare annotation was computed. [2023-11-28 20:24:16,095 INFO L895 garLoopResultBuilder]: At program point L113-2(lines 105 120) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (= |ULTIMATE.start_main_~tmp~5#1| 1)) [2023-11-28 20:24:16,095 INFO L899 garLoopResultBuilder]: For program point L76(lines 75 124) no Hoare annotation was computed. [2023-11-28 20:24:16,095 INFO L899 garLoopResultBuilder]: For program point L105(lines 105 120) no Hoare annotation was computed. [2023-11-28 20:24:16,095 INFO L899 garLoopResultBuilder]: For program point waterRiseEXIT(lines 512 523) no Hoare annotation was computed. [2023-11-28 20:24:16,095 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 512 523) the Hoare annotation is: true [2023-11-28 20:24:16,096 INFO L899 garLoopResultBuilder]: For program point L516-1(lines 512 523) no Hoare annotation was computed. [2023-11-28 20:24:16,096 INFO L895 garLoopResultBuilder]: At program point L192(line 192) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-11-28 20:24:16,096 INFO L895 garLoopResultBuilder]: At program point L188(line 188) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= 0 ~systemActive~0)) [2023-11-28 20:24:16,096 INFO L899 garLoopResultBuilder]: For program point L186(lines 186 194) no Hoare annotation was computed. [2023-11-28 20:24:16,096 INFO L899 garLoopResultBuilder]: For program point L182(lines 182 199) no Hoare annotation was computed. [2023-11-28 20:24:16,096 INFO L895 garLoopResultBuilder]: At program point $Ultimate##0(lines 178 202) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-28 20:24:16,096 INFO L899 garLoopResultBuilder]: For program point L327(lines 327 331) no Hoare annotation was computed. [2023-11-28 20:24:16,096 INFO L899 garLoopResultBuilder]: For program point L327-2(lines 327 331) no Hoare annotation was computed. [2023-11-28 20:24:16,097 INFO L895 garLoopResultBuilder]: At program point L197(line 197) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (= ~pumpRunning~0 0) (= 0 ~systemActive~0)) [2023-11-28 20:24:16,097 INFO L899 garLoopResultBuilder]: For program point L197-1(lines 178 202) no Hoare annotation was computed. [2023-11-28 20:24:16,097 INFO L899 garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 178 202) no Hoare annotation was computed. [2023-11-28 20:24:16,097 INFO L902 garLoopResultBuilder]: At program point L267(line 267) the Hoare annotation is: true [2023-11-28 20:24:16,097 INFO L899 garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 262 272) no Hoare annotation was computed. [2023-11-28 20:24:16,097 INFO L899 garLoopResultBuilder]: For program point L267-1(line 267) no Hoare annotation was computed. [2023-11-28 20:24:16,098 INFO L902 garLoopResultBuilder]: At program point $Ultimate##0(lines 262 272) the Hoare annotation is: true [2023-11-28 20:24:16,100 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2023-11-28 20:24:16,102 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2023-11-28 20:24:16,113 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:24:16 BoogieIcfgContainer [2023-11-28 20:24:16,113 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2023-11-28 20:24:16,114 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-28 20:24:16,114 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-28 20:24:16,114 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-28 20:24:16,115 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:24:14" (3/4) ... [2023-11-28 20:24:16,116 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-28 20:24:16,119 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2023-11-28 20:24:16,119 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2023-11-28 20:24:16,119 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2023-11-28 20:24:16,119 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2023-11-28 20:24:16,119 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2023-11-28 20:24:16,119 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2023-11-28 20:24:16,120 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2023-11-28 20:24:16,120 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2023-11-28 20:24:16,120 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2023-11-28 20:24:16,134 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 33 nodes and edges [2023-11-28 20:24:16,135 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2023-11-28 20:24:16,136 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-11-28 20:24:16,136 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-28 20:24:16,137 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-28 20:24:16,232 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a88835-0ae1-4d00-93c5-65f90c6d9b02/bin/uautomizer-verify-BQ2R08f2Ya/witness.graphml [2023-11-28 20:24:16,233 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a88835-0ae1-4d00-93c5-65f90c6d9b02/bin/uautomizer-verify-BQ2R08f2Ya/witness.yml [2023-11-28 20:24:16,233 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-28 20:24:16,234 INFO L158 Benchmark]: Toolchain (without parser) took 2331.24ms. Allocated memory is still 155.2MB. Free memory was 116.6MB in the beginning and 117.5MB in the end (delta: -826.2kB). Peak memory consumption was 69.4MB. Max. memory is 16.1GB. [2023-11-28 20:24:16,234 INFO L158 Benchmark]: CDTParser took 0.20ms. Allocated memory is still 155.2MB. Free memory was 128.8MB in the beginning and 128.6MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-28 20:24:16,235 INFO L158 Benchmark]: CACSL2BoogieTranslator took 434.48ms. Allocated memory is still 155.2MB. Free memory was 116.1MB in the beginning and 96.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-28 20:24:16,235 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.20ms. Allocated memory is still 155.2MB. Free memory was 96.7MB in the beginning and 94.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 20:24:16,235 INFO L158 Benchmark]: Boogie Preprocessor took 46.66ms. Allocated memory is still 155.2MB. Free memory was 94.6MB in the beginning and 92.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-28 20:24:16,236 INFO L158 Benchmark]: RCFGBuilder took 459.72ms. Allocated memory is still 155.2MB. Free memory was 92.0MB in the beginning and 70.5MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-28 20:24:16,236 INFO L158 Benchmark]: TraceAbstraction took 1215.01ms. Allocated memory is still 155.2MB. Free memory was 69.4MB in the beginning and 54.1MB in the end (delta: 15.3MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. [2023-11-28 20:24:16,236 INFO L158 Benchmark]: Witness Printer took 119.34ms. Allocated memory is still 155.2MB. Free memory was 54.1MB in the beginning and 117.5MB in the end (delta: -63.3MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2023-11-28 20:24:16,238 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20ms. Allocated memory is still 155.2MB. Free memory was 128.8MB in the beginning and 128.6MB in the end (delta: 160.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 434.48ms. Allocated memory is still 155.2MB. Free memory was 116.1MB in the beginning and 96.7MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.20ms. Allocated memory is still 155.2MB. Free memory was 96.7MB in the beginning and 94.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.66ms. Allocated memory is still 155.2MB. Free memory was 94.6MB in the beginning and 92.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 459.72ms. Allocated memory is still 155.2MB. Free memory was 92.0MB in the beginning and 70.5MB in the end (delta: 21.5MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * TraceAbstraction took 1215.01ms. Allocated memory is still 155.2MB. Free memory was 69.4MB in the beginning and 54.1MB in the end (delta: 15.3MB). Peak memory consumption was 16.9MB. Max. memory is 16.1GB. * Witness Printer took 119.34ms. Allocated memory is still 155.2MB. Free memory was 54.1MB in the beginning and 117.5MB in the end (delta: -63.3MB). Peak memory consumption was 4.3MB. 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,"wsllib_check.i","") [49] - GenericResultAtLocation [Line: 58]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58] - GenericResultAtLocation [Line: 133]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133] - GenericResultAtLocation [Line: 360]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [360] - GenericResultAtLocation [Line: 461]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [461] - GenericResultAtLocation [Line: 496]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [496] - GenericResultAtLocation [Line: 586]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [586] - GenericResultAtLocation [Line: 625]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [625] * 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: 54]: 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, 77 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 164 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 156 mSDsluCounter, 481 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 202 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 98 IncrementalHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 279 mSDtfsCounter, 98 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 24 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=99occurred in iteration=3, InterpolantAutomatonStates: 14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 162 PreInvPairs, 175 NumberOfFragments, 132 HoareAnnotationTreeSize, 162 FomulaSimplifications, 9 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 27 FomulaSimplificationsInter, 208 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 80 NumberOfCodeBlocks, 80 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 76 ConstructedInterpolants, 0 QuantifiedInterpolants, 129 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: 74]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 75]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (splverifierCounter == 0)) && (tmp == 1)) - InvariantResult [Line: 372]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2023-11-28 20:24:16,254 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a8a88835-0ae1-4d00-93c5-65f90c6d9b02/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