./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1c93e2-51e7-45a5-8216-209548a2faad/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1c93e2-51e7-45a5-8216-209548a2faad/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1c93e2-51e7-45a5-8216-209548a2faad/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1c93e2-51e7-45a5-8216-209548a2faad/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1c93e2-51e7-45a5-8216-209548a2faad/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1c93e2-51e7-45a5-8216-209548a2faad/bin/uautomizer-verify-aQ6SnzHsRB --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 589282c7075ad677d11d7e5d6747c3f882de49697a3649a6296f51163d1d51b5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:20:00,462 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:20:00,558 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1c93e2-51e7-45a5-8216-209548a2faad/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-28 05:20:00,565 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:20:00,565 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:20:00,595 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:20:00,596 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:20:00,596 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:20:00,597 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:20:00,597 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:20:00,597 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:20:00,597 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:20:00,598 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:20:00,598 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:20:00,598 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:20:00,598 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:20:00,599 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:20:00,599 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-28 05:20:00,599 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:20:00,599 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-28 05:20:00,599 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:20:00,600 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:20:00,600 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:20:00,600 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:20:00,600 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-28 05:20:00,600 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:20:00,600 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:20:00,601 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:20:00,601 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:20:00,601 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:20:00,601 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:20:00,601 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:20:00,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:20:00,602 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:20:00,602 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:20:00,602 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:20:00,602 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:20:00,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:20:00,607 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:20:00,607 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:20:00,607 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:20:00,607 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:20:00,607 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:20:00,607 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:20:00,608 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:20:00,608 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:20:00,608 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:20:00,608 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:20:00,608 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_6e1c93e2-51e7-45a5-8216-209548a2faad/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 589282c7075ad677d11d7e5d6747c3f882de49697a3649a6296f51163d1d51b5 [2024-11-28 05:20:01,014 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:20:01,031 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:20:01,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:20:01,037 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:20:01,038 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:20:01,039 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1c93e2-51e7-45a5-8216-209548a2faad/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2024-11-28 05:20:04,571 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1c93e2-51e7-45a5-8216-209548a2faad/bin/uautomizer-verify-aQ6SnzHsRB/data/12520a68d/160f6b1415234d48960c9b11fb88ba84/FLAG5ac9e9d68 [2024-11-28 05:20:04,966 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:20:04,966 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1c93e2-51e7-45a5-8216-209548a2faad/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c [2024-11-28 05:20:04,990 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1c93e2-51e7-45a5-8216-209548a2faad/bin/uautomizer-verify-aQ6SnzHsRB/data/12520a68d/160f6b1415234d48960c9b11fb88ba84/FLAG5ac9e9d68 [2024-11-28 05:20:05,008 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1c93e2-51e7-45a5-8216-209548a2faad/bin/uautomizer-verify-aQ6SnzHsRB/data/12520a68d/160f6b1415234d48960c9b11fb88ba84 [2024-11-28 05:20:05,011 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:20:05,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:20:05,015 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:20:05,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:20:05,021 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:20:05,022 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:20:05" (1/1) ... [2024-11-28 05:20:05,023 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@543c9005 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:05, skipping insertion in model container [2024-11-28 05:20:05,024 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:20:05" (1/1) ... [2024-11-28 05:20:05,062 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:20:05,282 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_6e1c93e2-51e7-45a5-8216-209548a2faad/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c[1605,1618] [2024-11-28 05:20:05,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:20:05,455 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:20:05,463 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-11-28 05:20:05,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] [2024-11-28 05:20:05,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [424] [2024-11-28 05:20:05,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [520] [2024-11-28 05:20:05,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [624] [2024-11-28 05:20:05,465 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [664] [2024-11-28 05:20:05,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [834] [2024-11-28 05:20:05,466 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [901] [2024-11-28 05:20:05,471 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_6e1c93e2-51e7-45a5-8216-209548a2faad/sv-benchmarks/c/product-lines/minepump_spec2_product19.cil.c[1605,1618] [2024-11-28 05:20:05,607 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:20:05,642 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:20:05,643 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:05 WrapperNode [2024-11-28 05:20:05,644 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:20:05,646 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:20:05,646 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:20:05,646 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:20:05,660 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:05" (1/1) ... [2024-11-28 05:20:05,679 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:05" (1/1) ... [2024-11-28 05:20:05,721 INFO L138 Inliner]: procedures = 54, calls = 96, calls flagged for inlining = 20, calls inlined = 17, statements flattened = 170 [2024-11-28 05:20:05,722 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:20:05,723 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:20:05,723 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:20:05,724 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:20:05,737 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:05" (1/1) ... [2024-11-28 05:20:05,737 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:05" (1/1) ... [2024-11-28 05:20:05,740 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:05" (1/1) ... [2024-11-28 05:20:05,772 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]. [2024-11-28 05:20:05,772 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:05" (1/1) ... [2024-11-28 05:20:05,773 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:05" (1/1) ... [2024-11-28 05:20:05,779 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:05" (1/1) ... [2024-11-28 05:20:05,780 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:05" (1/1) ... [2024-11-28 05:20:05,786 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:05" (1/1) ... [2024-11-28 05:20:05,788 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:05" (1/1) ... [2024-11-28 05:20:05,789 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:05" (1/1) ... [2024-11-28 05:20:05,792 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:20:05,793 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:20:05,793 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:20:05,793 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:20:05,794 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:05" (1/1) ... [2024-11-28 05:20:05,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:20:05,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1c93e2-51e7-45a5-8216-209548a2faad/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:20:05,833 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1c93e2-51e7-45a5-8216-209548a2faad/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:20:05,837 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1c93e2-51e7-45a5-8216-209548a2faad/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:20:05,875 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:20:05,875 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-11-28 05:20:05,876 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-11-28 05:20:05,876 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-11-28 05:20:05,876 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-11-28 05:20:05,876 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-11-28 05:20:05,876 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-11-28 05:20:05,876 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2024-11-28 05:20:05,877 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2024-11-28 05:20:05,877 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-11-28 05:20:05,877 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-11-28 05:20:05,877 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-11-28 05:20:05,878 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-11-28 05:20:05,878 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:20:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-11-28 05:20:05,879 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-11-28 05:20:05,879 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:20:05,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:20:05,989 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:20:05,992 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:20:06,324 INFO L? ?]: Removed 35 outVars from TransFormulas that were not future-live. [2024-11-28 05:20:06,324 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:20:06,345 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:20:06,349 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-28 05:20:06,349 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:20:06 BoogieIcfgContainer [2024-11-28 05:20:06,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:20:06,353 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:20:06,353 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:20:06,360 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:20:06,360 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:20:05" (1/3) ... [2024-11-28 05:20:06,361 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370c1d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:20:06, skipping insertion in model container [2024-11-28 05:20:06,362 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:20:05" (2/3) ... [2024-11-28 05:20:06,363 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@370c1d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:20:06, skipping insertion in model container [2024-11-28 05:20:06,363 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:20:06" (3/3) ... [2024-11-28 05:20:06,365 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product19.cil.c [2024-11-28 05:20:06,385 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:20:06,387 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec2_product19.cil.c that has 8 procedures, 80 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-11-28 05:20:06,465 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:20:06,480 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;@5039c37a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:20:06,480 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:20:06,485 INFO L276 IsEmpty]: Start isEmpty. Operand has 80 states, 60 states have (on average 1.4) internal successors, (84), 67 states have internal predecessors, (84), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) [2024-11-28 05:20:06,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-28 05:20:06,496 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:20:06,496 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] [2024-11-28 05:20:06,497 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:20:06,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:06,503 INFO L85 PathProgramCache]: Analyzing trace with hash 202461472, now seen corresponding path program 1 times [2024-11-28 05:20:06,513 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:20:06,514 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811764199] [2024-11-28 05:20:06,514 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:06,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:06,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:06,787 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:20:06,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:20:06,791 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811764199] [2024-11-28 05:20:06,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811764199] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:20:06,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:20:06,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-28 05:20:06,794 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313736111] [2024-11-28 05:20:06,797 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:20:06,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-28 05:20:06,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:20:06,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-28 05:20:06,834 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-28 05:20:06,837 INFO L87 Difference]: Start difference. First operand has 80 states, 60 states have (on average 1.4) internal successors, (84), 67 states have internal predecessors, (84), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2024-11-28 05:20:06,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:20:06,887 INFO L93 Difference]: Finished difference Result 151 states and 206 transitions. [2024-11-28 05:20:06,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-28 05:20:06,890 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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 25 [2024-11-28 05:20:06,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:20:06,899 INFO L225 Difference]: With dead ends: 151 [2024-11-28 05:20:06,899 INFO L226 Difference]: Without dead ends: 71 [2024-11-28 05:20:06,908 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 [2024-11-28 05:20:06,916 INFO L435 NwaCegarLoop]: 100 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, 100 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 [2024-11-28 05:20:06,917 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:20:06,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-11-28 05:20:06,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-11-28 05:20:06,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 53 states have (on average 1.320754716981132) internal successors, (70), 59 states have internal predecessors, (70), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-28 05:20:06,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 91 transitions. [2024-11-28 05:20:06,977 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 91 transitions. Word has length 25 [2024-11-28 05:20:06,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:20:06,977 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 91 transitions. [2024-11-28 05:20:06,978 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 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) [2024-11-28 05:20:06,978 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 91 transitions. [2024-11-28 05:20:06,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-28 05:20:06,980 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:20:06,980 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] [2024-11-28 05:20:06,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:20:06,980 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:20:06,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:06,981 INFO L85 PathProgramCache]: Analyzing trace with hash -267614938, now seen corresponding path program 1 times [2024-11-28 05:20:06,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:20:06,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90087389] [2024-11-28 05:20:06,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:06,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:07,161 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:20:07,162 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:20:07,162 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90087389] [2024-11-28 05:20:07,162 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [90087389] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:20:07,162 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:20:07,162 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:20:07,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1765903119] [2024-11-28 05:20:07,163 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:20:07,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:20:07,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:20:07,169 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:20:07,169 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:20:07,170 INFO L87 Difference]: Start difference. First operand 71 states and 91 transitions. Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-11-28 05:20:07,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:20:07,202 INFO L93 Difference]: Finished difference Result 105 states and 133 transitions. [2024-11-28 05:20:07,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:20:07,204 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 25 [2024-11-28 05:20:07,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:20:07,206 INFO L225 Difference]: With dead ends: 105 [2024-11-28 05:20:07,206 INFO L226 Difference]: Without dead ends: 63 [2024-11-28 05:20:07,207 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 [2024-11-28 05:20:07,208 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 16 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 138 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 [2024-11-28 05:20:07,208 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 138 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:20:07,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2024-11-28 05:20:07,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2024-11-28 05:20:07,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 48 states have (on average 1.3333333333333333) internal successors, (64), 54 states have internal predecessors, (64), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-28 05:20:07,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 80 transitions. [2024-11-28 05:20:07,222 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 80 transitions. Word has length 25 [2024-11-28 05:20:07,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:20:07,223 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 80 transitions. [2024-11-28 05:20:07,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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) [2024-11-28 05:20:07,223 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 80 transitions. [2024-11-28 05:20:07,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-11-28 05:20:07,224 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:20:07,225 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] [2024-11-28 05:20:07,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:20:07,225 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:20:07,226 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:07,226 INFO L85 PathProgramCache]: Analyzing trace with hash -2023086318, now seen corresponding path program 1 times [2024-11-28 05:20:07,226 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:20:07,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122599034] [2024-11-28 05:20:07,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:07,227 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:07,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:07,444 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:20:07,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:20:07,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122599034] [2024-11-28 05:20:07,444 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122599034] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:20:07,445 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:20:07,445 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-28 05:20:07,445 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1431037292] [2024-11-28 05:20:07,445 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:20:07,446 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-28 05:20:07,446 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:20:07,447 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-28 05:20:07,447 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-28 05:20:07,447 INFO L87 Difference]: Start difference. First operand 63 states and 80 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-28 05:20:07,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:20:07,491 INFO L93 Difference]: Finished difference Result 172 states and 224 transitions. [2024-11-28 05:20:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-28 05:20:07,491 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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 29 [2024-11-28 05:20:07,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:20:07,493 INFO L225 Difference]: With dead ends: 172 [2024-11-28 05:20:07,493 INFO L226 Difference]: Without dead ends: 117 [2024-11-28 05:20:07,494 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 [2024-11-28 05:20:07,495 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 60 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:20:07,496 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 166 Invalid, 4 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:20:07,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-28 05:20:07,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 114. [2024-11-28 05:20:07,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 85 states have (on average 1.3647058823529412) internal successors, (116), 96 states have internal predecessors, (116), 16 states have call successors, (16), 12 states have call predecessors, (16), 12 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) [2024-11-28 05:20:07,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 148 transitions. [2024-11-28 05:20:07,521 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 148 transitions. Word has length 29 [2024-11-28 05:20:07,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:20:07,521 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 148 transitions. [2024-11-28 05:20:07,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 3 states have internal predecessors, (26), 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) [2024-11-28 05:20:07,522 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 148 transitions. [2024-11-28 05:20:07,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-28 05:20:07,524 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:20:07,524 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, 1] [2024-11-28 05:20:07,524 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:20:07,524 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:20:07,525 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:20:07,525 INFO L85 PathProgramCache]: Analyzing trace with hash 1826721359, now seen corresponding path program 1 times [2024-11-28 05:20:07,525 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:20:07,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1385877846] [2024-11-28 05:20:07,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:20:07,526 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:20:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:20:07,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:20:07,783 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:20:07,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1385877846] [2024-11-28 05:20:07,784 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1385877846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:20:07,784 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:20:07,784 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 05:20:07,784 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1839278660] [2024-11-28 05:20:07,784 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:20:07,784 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 05:20:07,785 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:20:07,785 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 05:20:07,785 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:20:07,785 INFO L87 Difference]: Start difference. First operand 114 states and 148 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:20:07,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:20:07,883 INFO L93 Difference]: Finished difference Result 190 states and 249 transitions. [2024-11-28 05:20:07,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 05:20:07,884 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 2 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 34 [2024-11-28 05:20:07,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:20:07,886 INFO L225 Difference]: With dead ends: 190 [2024-11-28 05:20:07,886 INFO L226 Difference]: Without dead ends: 0 [2024-11-28 05:20:07,887 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:20:07,888 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 31 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 145 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:20:07,888 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 145 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:20:07,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-28 05:20:07,893 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-28 05:20:07,893 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) [2024-11-28 05:20:07,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-28 05:20:07,894 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2024-11-28 05:20:07,894 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:20:07,894 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-28 05:20:07,894 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-28 05:20:07,894 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-28 05:20:07,894 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-28 05:20:07,901 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:20:07,902 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:20:07,905 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2024-11-28 05:20:07,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-28 05:20:08,301 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:20:08,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:20:08 BoogieIcfgContainer [2024-11-28 05:20:08,317 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:20:08,318 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:20:08,318 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:20:08,319 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:20:08,319 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:20:06" (3/4) ... [2024-11-28 05:20:08,322 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-28 05:20:08,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-11-28 05:20:08,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-11-28 05:20:08,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-11-28 05:20:08,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-11-28 05:20:08,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-11-28 05:20:08,328 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical [2024-11-28 05:20:08,329 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-11-28 05:20:08,338 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-11-28 05:20:08,338 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-28 05:20:08,339 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-28 05:20:08,339 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 05:20:08,339 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-28 05:20:08,471 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1c93e2-51e7-45a5-8216-209548a2faad/bin/uautomizer-verify-aQ6SnzHsRB/witness.graphml [2024-11-28 05:20:08,472 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1c93e2-51e7-45a5-8216-209548a2faad/bin/uautomizer-verify-aQ6SnzHsRB/witness.yml [2024-11-28 05:20:08,472 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:20:08,473 INFO L158 Benchmark]: Toolchain (without parser) took 3460.18ms. Allocated memory is still 117.4MB. Free memory was 92.4MB in the beginning and 85.9MB in the end (delta: 6.6MB). Peak memory consumption was 69.3MB. Max. memory is 16.1GB. [2024-11-28 05:20:08,473 INFO L158 Benchmark]: CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:20:08,474 INFO L158 Benchmark]: CACSL2BoogieTranslator took 630.45ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 73.6MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-28 05:20:08,474 INFO L158 Benchmark]: Boogie Procedure Inliner took 76.73ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 71.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:20:08,475 INFO L158 Benchmark]: Boogie Preprocessor took 68.65ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 70.1MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:20:08,475 INFO L158 Benchmark]: RCFGBuilder took 557.05ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 54.9MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 05:20:08,475 INFO L158 Benchmark]: TraceAbstraction took 1964.48ms. Allocated memory is still 117.4MB. Free memory was 54.4MB in the beginning and 34.1MB in the end (delta: 20.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. [2024-11-28 05:20:08,476 INFO L158 Benchmark]: Witness Printer took 153.83ms. Allocated memory is still 117.4MB. Free memory was 34.1MB in the beginning and 85.9MB in the end (delta: -51.8MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2024-11-28 05:20:08,480 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.48ms. Allocated memory is still 117.4MB. Free memory is still 74.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 630.45ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 73.6MB in the end (delta: 18.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 76.73ms. Allocated memory is still 117.4MB. Free memory was 73.6MB in the beginning and 71.9MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 68.65ms. Allocated memory is still 117.4MB. Free memory was 71.9MB in the beginning and 70.1MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 557.05ms. Allocated memory is still 117.4MB. Free memory was 70.1MB in the beginning and 54.9MB in the end (delta: 15.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1964.48ms. Allocated memory is still 117.4MB. Free memory was 54.4MB in the beginning and 34.1MB in the end (delta: 20.3MB). Peak memory consumption was 13.6MB. Max. memory is 16.1GB. * Witness Printer took 153.83ms. Allocated memory is still 117.4MB. Free memory was 34.1MB in the beginning and 85.9MB in the end (delta: -51.8MB). Peak memory consumption was 13.8MB. 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,"libacc.i","") [58] - GenericResultAtLocation [Line: 424]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [424] - GenericResultAtLocation [Line: 520]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [520] - GenericResultAtLocation [Line: 624]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [624] - GenericResultAtLocation [Line: 664]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [664] - GenericResultAtLocation [Line: 834]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [834] - GenericResultAtLocation [Line: 901]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [901] * 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 8 procedures, 80 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 111 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 107 mSDsluCounter, 549 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 224 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 23 IncrementalHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 325 mSDtfsCounter, 23 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=114occurred in iteration=3, InterpolantAutomatonStates: 13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 4 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 113 NumberOfCodeBlocks, 113 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 109 ConstructedInterpolants, 0 QuantifiedInterpolants, 197 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: 845]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) - InvariantResult [Line: 533]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 844]: Location Invariant Derived location invariant: 0 RESULT: Ultimate proved your program to be correct! [2024-11-28 05:20:08,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6e1c93e2-51e7-45a5-8216-209548a2faad/bin/uautomizer-verify-aQ6SnzHsRB/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