./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4bb45-3ef8-48f4-b031-dd4c53a5432b/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4bb45-3ef8-48f4-b031-dd4c53a5432b/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4bb45-3ef8-48f4-b031-dd4c53a5432b/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4bb45-3ef8-48f4-b031-dd4c53a5432b/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4bb45-3ef8-48f4-b031-dd4c53a5432b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4bb45-3ef8-48f4-b031-dd4c53a5432b/bin/uautomizer-verify-LYvppIcaGC --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 c8d555049aaaa188526ff7f51deb0a6f51f5f04abef75f3a5212bc7583c2506a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:57:29,361 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:57:29,457 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4bb45-3ef8-48f4-b031-dd4c53a5432b/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:57:29,464 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:57:29,464 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:57:29,513 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:57:29,514 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:57:29,515 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:57:29,515 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:57:29,515 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:57:29,516 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:57:29,517 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:57:29,517 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:57:29,517 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:57:29,518 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:57:29,518 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:57:29,519 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:57:29,519 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:57:29,519 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:57:29,519 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:57:29,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:57:29,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:57:29,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:57:29,520 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:57:29,520 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:57:29,520 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:57:29,520 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:57:29,520 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:57:29,521 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:57:29,521 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:57:29,521 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:57:29,521 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:57:29,521 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:57:29,521 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:57:29,521 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:57:29,521 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:57:29,522 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:57:29,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:57:29,522 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:57:29,522 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:57:29,522 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:57:29,522 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:57:29,522 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:57:29,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:57:29,522 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:57:29,522 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:57:29,524 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:57:29,524 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:57:29,524 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_03e4bb45-3ef8-48f4-b031-dd4c53a5432b/bin/uautomizer-verify-LYvppIcaGC 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 -> c8d555049aaaa188526ff7f51deb0a6f51f5f04abef75f3a5212bc7583c2506a [2024-11-24 00:57:29,885 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:57:29,898 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:57:29,902 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:57:29,903 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:57:29,904 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:57:29,906 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4bb45-3ef8-48f4-b031-dd4c53a5432b/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2024-11-24 00:57:33,407 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4bb45-3ef8-48f4-b031-dd4c53a5432b/bin/uautomizer-verify-LYvppIcaGC/data/eba8bdfb7/4a228a4018f84dd7b1ea13a4d6951959/FLAGdf5585a78 [2024-11-24 00:57:33,829 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:57:33,829 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4bb45-3ef8-48f4-b031-dd4c53a5432b/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c [2024-11-24 00:57:33,849 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4bb45-3ef8-48f4-b031-dd4c53a5432b/bin/uautomizer-verify-LYvppIcaGC/data/eba8bdfb7/4a228a4018f84dd7b1ea13a4d6951959/FLAGdf5585a78 [2024-11-24 00:57:33,866 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4bb45-3ef8-48f4-b031-dd4c53a5432b/bin/uautomizer-verify-LYvppIcaGC/data/eba8bdfb7/4a228a4018f84dd7b1ea13a4d6951959 [2024-11-24 00:57:33,868 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:57:33,870 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:57:33,872 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:57:33,872 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:57:33,878 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:57:33,879 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:57:33" (1/1) ... [2024-11-24 00:57:33,880 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29689205 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:33, skipping insertion in model container [2024-11-24 00:57:33,880 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:57:33" (1/1) ... [2024-11-24 00:57:33,941 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:57:34,369 WARN L250 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_03e4bb45-3ef8-48f4-b031-dd4c53a5432b/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c[17431,17444] [2024-11-24 00:57:34,377 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:57:34,391 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:57:34,403 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] [2024-11-24 00:57:34,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [135] [2024-11-24 00:57:34,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [501] [2024-11-24 00:57:34,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [539] [2024-11-24 00:57:34,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [638] [2024-11-24 00:57:34,405 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [706] [2024-11-24 00:57:34,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [868] [2024-11-24 00:57:34,406 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [895] [2024-11-24 00:57:34,498 WARN L250 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_03e4bb45-3ef8-48f4-b031-dd4c53a5432b/sv-benchmarks/c/product-lines/minepump_spec1_product14.cil.c[17431,17444] [2024-11-24 00:57:34,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:57:34,518 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:57:34,519 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:34 WrapperNode [2024-11-24 00:57:34,519 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:57:34,520 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:57:34,520 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:57:34,520 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:57:34,528 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:34" (1/1) ... [2024-11-24 00:57:34,544 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:34" (1/1) ... [2024-11-24 00:57:34,567 INFO L138 Inliner]: procedures = 52, calls = 95, calls flagged for inlining = 19, calls inlined = 15, statements flattened = 141 [2024-11-24 00:57:34,568 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:57:34,568 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:57:34,568 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:57:34,569 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:57:34,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:34" (1/1) ... [2024-11-24 00:57:34,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:34" (1/1) ... [2024-11-24 00:57:34,586 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:34" (1/1) ... [2024-11-24 00:57:34,605 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]. [2024-11-24 00:57:34,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:34" (1/1) ... [2024-11-24 00:57:34,606 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:34" (1/1) ... [2024-11-24 00:57:34,611 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:34" (1/1) ... [2024-11-24 00:57:34,612 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:34" (1/1) ... [2024-11-24 00:57:34,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:34" (1/1) ... [2024-11-24 00:57:34,619 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:34" (1/1) ... [2024-11-24 00:57:34,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:34" (1/1) ... [2024-11-24 00:57:34,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:57:34,623 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:57:34,623 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:57:34,623 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:57:34,625 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:34" (1/1) ... [2024-11-24 00:57:34,631 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:57:34,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4bb45-3ef8-48f4-b031-dd4c53a5432b/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:57:34,662 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4bb45-3ef8-48f4-b031-dd4c53a5432b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:57:34,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4bb45-3ef8-48f4-b031-dd4c53a5432b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:57:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:57:34,701 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-24 00:57:34,701 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-24 00:57:34,703 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-24 00:57:34,703 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-24 00:57:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-24 00:57:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-24 00:57:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-24 00:57:34,704 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-24 00:57:34,704 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2024-11-24 00:57:34,705 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2024-11-24 00:57:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2024-11-24 00:57:34,705 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2024-11-24 00:57:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:57:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-24 00:57:34,705 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-24 00:57:34,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:57:34,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:57:34,785 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:57:34,787 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:57:35,061 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-24 00:57:35,062 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:57:35,076 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:57:35,076 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-24 00:57:35,076 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:57:35 BoogieIcfgContainer [2024-11-24 00:57:35,076 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:57:35,080 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:57:35,083 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:57:35,089 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:57:35,090 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:57:33" (1/3) ... [2024-11-24 00:57:35,091 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aa80104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:57:35, skipping insertion in model container [2024-11-24 00:57:35,091 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:57:34" (2/3) ... [2024-11-24 00:57:35,093 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1aa80104 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:57:35, skipping insertion in model container [2024-11-24 00:57:35,093 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:57:35" (3/3) ... [2024-11-24 00:57:35,095 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product14.cil.c [2024-11-24 00:57:35,122 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:57:35,126 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec1_product14.cil.c that has 8 procedures, 75 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-24 00:57:35,215 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:57:35,236 INFO L333 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, 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;@20069bfb, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:57:35,237 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:57:35,242 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 61 states have internal predecessors, (76), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-24 00:57:35,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-24 00:57:35,255 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:57:35,256 INFO L218 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] [2024-11-24 00:57:35,256 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:57:35,262 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:35,265 INFO L85 PathProgramCache]: Analyzing trace with hash 374305043, now seen corresponding path program 1 times [2024-11-24 00:57:35,275 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:57:35,275 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688298787] [2024-11-24 00:57:35,276 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:35,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:35,567 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:57:35,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:35,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688298787] [2024-11-24 00:57:35,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688298787] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:35,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:35,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:57:35,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123873353] [2024-11-24 00:57:35,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:35,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:57:35,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:57:35,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:57:35,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:57:35,598 INFO L87 Difference]: Start difference. First operand has 75 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 61 states have internal predecessors, (76), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 10 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-11-24 00:57:35,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:57:35,634 INFO L93 Difference]: Finished difference Result 142 states and 191 transitions. [2024-11-24 00:57:35,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:57:35,637 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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 23 [2024-11-24 00:57:35,638 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:57:35,649 INFO L225 Difference]: With dead ends: 142 [2024-11-24 00:57:35,650 INFO L226 Difference]: Without dead ends: 66 [2024-11-24 00:57:35,654 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:57:35,658 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 92 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:57:35,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 92 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:57:35,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-11-24 00:57:35,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-11-24 00:57:35,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 53 states have internal predecessors, (62), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 9 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-24 00:57:35,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 83 transitions. [2024-11-24 00:57:35,733 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 83 transitions. Word has length 23 [2024-11-24 00:57:35,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:57:35,733 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 83 transitions. [2024-11-24 00:57:35,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 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) [2024-11-24 00:57:35,733 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 83 transitions. [2024-11-24 00:57:35,736 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-24 00:57:35,736 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:57:35,736 INFO L218 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] [2024-11-24 00:57:35,736 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:57:35,737 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:57:35,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:35,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1606067277, now seen corresponding path program 1 times [2024-11-24 00:57:35,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:57:35,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998544081] [2024-11-24 00:57:35,738 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:35,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:35,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:35,918 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:57:35,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:35,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998544081] [2024-11-24 00:57:35,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998544081] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:35,919 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:35,919 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-24 00:57:35,919 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [124782369] [2024-11-24 00:57:35,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:35,924 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-24 00:57:35,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:57:35,928 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-24 00:57:35,928 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:57:35,928 INFO L87 Difference]: Start difference. First operand 66 states and 83 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-11-24 00:57:35,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:57:35,956 INFO L93 Difference]: Finished difference Result 99 states and 123 transitions. [2024-11-24 00:57:35,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-24 00:57:35,957 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 23 [2024-11-24 00:57:35,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:57:35,958 INFO L225 Difference]: With dead ends: 99 [2024-11-24 00:57:35,958 INFO L226 Difference]: Without dead ends: 58 [2024-11-24 00:57:35,959 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-24 00:57:35,960 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 13 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:57:35,960 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 126 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:57:35,961 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-24 00:57:35,967 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-24 00:57:35,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 43 states have (on average 1.302325581395349) internal successors, (56), 48 states have internal predecessors, (56), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-24 00:57:35,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 72 transitions. [2024-11-24 00:57:35,970 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 72 transitions. Word has length 23 [2024-11-24 00:57:35,970 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:57:35,970 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 72 transitions. [2024-11-24 00:57:35,970 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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) [2024-11-24 00:57:35,970 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 72 transitions. [2024-11-24 00:57:35,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-24 00:57:35,971 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:57:35,971 INFO L218 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, 1, 1, 1, 1] [2024-11-24 00:57:35,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:57:35,972 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:57:35,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:35,972 INFO L85 PathProgramCache]: Analyzing trace with hash 2022996791, now seen corresponding path program 1 times [2024-11-24 00:57:35,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:57:35,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1058960742] [2024-11-24 00:57:35,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:35,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:36,157 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:57:36,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:36,158 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1058960742] [2024-11-24 00:57:36,158 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1058960742] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:36,158 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:36,158 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:57:36,158 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1562854895] [2024-11-24 00:57:36,158 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:36,158 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:57:36,159 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:57:36,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:57:36,159 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:57:36,159 INFO L87 Difference]: Start difference. First operand 58 states and 72 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-11-24 00:57:36,227 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:57:36,227 INFO L93 Difference]: Finished difference Result 109 states and 138 transitions. [2024-11-24 00:57:36,228 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:57:36,228 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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 28 [2024-11-24 00:57:36,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:57:36,229 INFO L225 Difference]: With dead ends: 109 [2024-11-24 00:57:36,229 INFO L226 Difference]: Without dead ends: 58 [2024-11-24 00:57:36,230 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:57:36,230 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 66 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 66 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:57:36,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [66 Valid, 202 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:57:36,231 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-24 00:57:36,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-11-24 00:57:36,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 43 states have (on average 1.2790697674418605) internal successors, (55), 48 states have internal predecessors, (55), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-24 00:57:36,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 71 transitions. [2024-11-24 00:57:36,240 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 71 transitions. Word has length 28 [2024-11-24 00:57:36,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:57:36,240 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 71 transitions. [2024-11-24 00:57:36,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 5 states have internal predecessors, (25), 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) [2024-11-24 00:57:36,240 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 71 transitions. [2024-11-24 00:57:36,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-24 00:57:36,241 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:57:36,241 INFO L218 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:57:36,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:57:36,242 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:57:36,242 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:57:36,242 INFO L85 PathProgramCache]: Analyzing trace with hash 1276929271, now seen corresponding path program 1 times [2024-11-24 00:57:36,242 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:57:36,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [160345666] [2024-11-24 00:57:36,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:57:36,243 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:57:36,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:57:36,400 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:57:36,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:57:36,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [160345666] [2024-11-24 00:57:36,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [160345666] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:57:36,401 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:57:36,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 00:57:36,401 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1886593593] [2024-11-24 00:57:36,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:57:36,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 00:57:36,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:57:36,403 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 00:57:36,403 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 00:57:36,403 INFO L87 Difference]: Start difference. First operand 58 states and 71 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 00:57:36,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:57:36,467 INFO L93 Difference]: Finished difference Result 95 states and 119 transitions. [2024-11-24 00:57:36,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 00:57:36,467 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 33 [2024-11-24 00:57:36,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:57:36,468 INFO L225 Difference]: With dead ends: 95 [2024-11-24 00:57:36,468 INFO L226 Difference]: Without dead ends: 0 [2024-11-24 00:57:36,469 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-24 00:57:36,470 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 42 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:57:36,470 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 136 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:57:36,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-24 00:57:36,471 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-24 00:57:36,471 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) [2024-11-24 00:57:36,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-24 00:57:36,472 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2024-11-24 00:57:36,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:57:36,472 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-24 00:57:36,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-24 00:57:36,473 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-24 00:57:36,473 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 00:57:36,476 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:57:36,477 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 00:57:36,480 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-24 00:57:36,482 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-24 00:57:36,821 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:57:36,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:57:36 BoogieIcfgContainer [2024-11-24 00:57:36,871 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:57:36,872 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:57:36,872 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:57:36,872 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:57:36,875 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:57:35" (3/4) ... [2024-11-24 00:57:36,878 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 00:57:36,884 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-24 00:57:36,884 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-24 00:57:36,884 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-24 00:57:36,884 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-24 00:57:36,884 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-24 00:57:36,884 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery [2024-11-24 00:57:36,885 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm [2024-11-24 00:57:36,893 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-24 00:57:36,894 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-24 00:57:36,894 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-24 00:57:36,894 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 00:57:36,896 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 00:57:37,025 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4bb45-3ef8-48f4-b031-dd4c53a5432b/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:57:37,026 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4bb45-3ef8-48f4-b031-dd4c53a5432b/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 00:57:37,026 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:57:37,027 INFO L158 Benchmark]: Toolchain (without parser) took 3157.20ms. Allocated memory is still 117.4MB. Free memory was 85.0MB in the beginning and 82.5MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:57:37,028 INFO L158 Benchmark]: CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:57:37,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 647.36ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 66.5MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:57:37,029 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.63ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 64.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:57:37,030 INFO L158 Benchmark]: Boogie Preprocessor took 54.03ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 63.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:57:37,030 INFO L158 Benchmark]: RCFGBuilder took 453.23ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 48.7MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 00:57:37,030 INFO L158 Benchmark]: TraceAbstraction took 1791.40ms. Allocated memory is still 117.4MB. Free memory was 48.1MB in the beginning and 88.6MB in the end (delta: -40.5MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. [2024-11-24 00:57:37,031 INFO L158 Benchmark]: Witness Printer took 154.41ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 82.5MB in the end (delta: 6.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:57:37,035 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41ms. Allocated memory is still 167.8MB. Free memory is still 105.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 647.36ms. Allocated memory is still 117.4MB. Free memory was 84.6MB in the beginning and 66.5MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.63ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 64.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 54.03ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 63.1MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 453.23ms. Allocated memory is still 117.4MB. Free memory was 63.1MB in the beginning and 48.7MB in the end (delta: 14.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * TraceAbstraction took 1791.40ms. Allocated memory is still 117.4MB. Free memory was 48.1MB in the beginning and 88.6MB in the end (delta: -40.5MB). Peak memory consumption was 22.1MB. Max. memory is 16.1GB. * Witness Printer took 154.41ms. Allocated memory is still 117.4MB. Free memory was 88.6MB in the beginning and 82.5MB in the end (delta: 6.2MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResultAtLocation [Line: 49]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [49] - GenericResultAtLocation [Line: 135]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [135] - GenericResultAtLocation [Line: 501]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [501] - GenericResultAtLocation [Line: 539]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [539] - GenericResultAtLocation [Line: 638]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [638] - GenericResultAtLocation [Line: 706]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [706] - GenericResultAtLocation [Line: 868]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [868] - GenericResultAtLocation [Line: 895]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [895] * 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: 900]: 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 8 procedures, 75 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: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 124 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 121 mSDsluCounter, 556 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 279 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 25 IncrementalHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 277 mSDtfsCounter, 25 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=0, InterpolantAutomatonStates: 15, 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 103 ConstructedInterpolants, 0 QuantifiedInterpolants, 141 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, ConComCheckerStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 650]: Loop Invariant Derived loop invariant: (((pumpRunning == 0) && (splverifierCounter == 0)) && (0 != systemActive)) - InvariantResult [Line: 649]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-24 00:57:37,060 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_03e4bb45-3ef8-48f4-b031-dd4c53a5432b/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE