./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.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_36f1c84f-6a89-4cb1-b9af-c3718e64df33/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f1c84f-6a89-4cb1-b9af-c3718e64df33/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f1c84f-6a89-4cb1-b9af-c3718e64df33/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f1c84f-6a89-4cb1-b9af-c3718e64df33/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f1c84f-6a89-4cb1-b9af-c3718e64df33/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f1c84f-6a89-4cb1-b9af-c3718e64df33/bin/uautomizer-verify-84ZbGMXZE1 --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 55e5a3fffd3d06d466040a49171ceaa2c85a9bef51e649104f1e437fbb462cec --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-02 15:22:25,082 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-02 15:22:25,135 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f1c84f-6a89-4cb1-b9af-c3718e64df33/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-12-02 15:22:25,140 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-02 15:22:25,140 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-12-02 15:22:25,160 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-02 15:22:25,160 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-12-02 15:22:25,161 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-12-02 15:22:25,161 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-12-02 15:22:25,161 INFO L153 SettingsManager]: * Use memory slicer=true [2024-12-02 15:22:25,161 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-02 15:22:25,161 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-12-02 15:22:25,162 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-02 15:22:25,162 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-02 15:22:25,162 INFO L153 SettingsManager]: * Use SBE=true [2024-12-02 15:22:25,162 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-02 15:22:25,162 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-02 15:22:25,162 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-02 15:22:25,162 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-02 15:22:25,162 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-02 15:22:25,163 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-02 15:22:25,163 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-02 15:22:25,163 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-02 15:22:25,163 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-02 15:22:25,163 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-02 15:22:25,163 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-02 15:22:25,163 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-02 15:22:25,163 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-02 15:22:25,163 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-12-02 15:22:25,163 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:22:25,163 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:22:25,164 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:22:25,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:22:25,164 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-02 15:22:25,164 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-12-02 15:22:25,164 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-12-02 15:22:25,164 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-12-02 15:22:25,164 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:22:25,164 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-02 15:22:25,164 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-02 15:22:25,164 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-12-02 15:22:25,164 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-02 15:22:25,165 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-12-02 15:22:25,165 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-02 15:22:25,165 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-12-02 15:22:25,165 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-12-02 15:22:25,165 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-12-02 15:22:25,165 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-12-02 15:22:25,165 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_36f1c84f-6a89-4cb1-b9af-c3718e64df33/bin/uautomizer-verify-84ZbGMXZE1 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 -> 55e5a3fffd3d06d466040a49171ceaa2c85a9bef51e649104f1e437fbb462cec [2024-12-02 15:22:25,363 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-02 15:22:25,370 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-02 15:22:25,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-02 15:22:25,373 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-02 15:22:25,374 INFO L274 PluginConnector]: CDTParser initialized [2024-12-02 15:22:25,375 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f1c84f-6a89-4cb1-b9af-c3718e64df33/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2024-12-02 15:22:28,056 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f1c84f-6a89-4cb1-b9af-c3718e64df33/bin/uautomizer-verify-84ZbGMXZE1/data/a1be80855/90fb81ddceb74ba186c73d7d72a1104e/FLAG4c063bc4e [2024-12-02 15:22:28,304 INFO L384 CDTParser]: Found 1 translation units. [2024-12-02 15:22:28,305 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f1c84f-6a89-4cb1-b9af-c3718e64df33/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c [2024-12-02 15:22:28,315 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f1c84f-6a89-4cb1-b9af-c3718e64df33/bin/uautomizer-verify-84ZbGMXZE1/data/a1be80855/90fb81ddceb74ba186c73d7d72a1104e/FLAG4c063bc4e [2024-12-02 15:22:28,639 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f1c84f-6a89-4cb1-b9af-c3718e64df33/bin/uautomizer-verify-84ZbGMXZE1/data/a1be80855/90fb81ddceb74ba186c73d7d72a1104e [2024-12-02 15:22:28,640 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-02 15:22:28,641 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-02 15:22:28,642 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-02 15:22:28,642 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-02 15:22:28,646 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-02 15:22:28,647 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:22:28" (1/1) ... [2024-12-02 15:22:28,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e612fd1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:28, skipping insertion in model container [2024-12-02 15:22:28,648 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:22:28" (1/1) ... [2024-12-02 15:22:28,673 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-02 15:22:28,787 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_36f1c84f-6a89-4cb1-b9af-c3718e64df33/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c[1605,1618] [2024-12-02 15:22:28,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:22:28,900 INFO L200 MainTranslator]: Completed pre-run [2024-12-02 15:22:28,906 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49] [2024-12-02 15:22:28,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [58] [2024-12-02 15:22:28,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [424] [2024-12-02 15:22:28,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [452] [2024-12-02 15:22:28,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [490] [2024-12-02 15:22:28,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [693] [2024-12-02 15:22:28,907 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [784] [2024-12-02 15:22:28,908 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [881] [2024-12-02 15:22:28,911 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_36f1c84f-6a89-4cb1-b9af-c3718e64df33/sv-benchmarks/c/product-lines/minepump_spec4_product28.cil.c[1605,1618] [2024-12-02 15:22:28,962 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-02 15:22:28,977 INFO L204 MainTranslator]: Completed translation [2024-12-02 15:22:28,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:28 WrapperNode [2024-12-02 15:22:28,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-02 15:22:28,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-02 15:22:28,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-02 15:22:28,978 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-02 15:22:28,985 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:28" (1/1) ... [2024-12-02 15:22:28,994 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:28" (1/1) ... [2024-12-02 15:22:29,014 INFO L138 Inliner]: procedures = 55, calls = 98, calls flagged for inlining = 24, calls inlined = 18, statements flattened = 171 [2024-12-02 15:22:29,014 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-02 15:22:29,015 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-02 15:22:29,015 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-02 15:22:29,015 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-02 15:22:29,021 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:28" (1/1) ... [2024-12-02 15:22:29,021 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:28" (1/1) ... [2024-12-02 15:22:29,023 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:28" (1/1) ... [2024-12-02 15:22:29,031 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]. [2024-12-02 15:22:29,032 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:28" (1/1) ... [2024-12-02 15:22:29,032 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:28" (1/1) ... [2024-12-02 15:22:29,034 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:28" (1/1) ... [2024-12-02 15:22:29,035 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:28" (1/1) ... [2024-12-02 15:22:29,038 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:28" (1/1) ... [2024-12-02 15:22:29,039 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:28" (1/1) ... [2024-12-02 15:22:29,040 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:28" (1/1) ... [2024-12-02 15:22:29,042 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-02 15:22:29,043 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-02 15:22:29,043 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-02 15:22:29,043 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-02 15:22:29,044 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:28" (1/1) ... [2024-12-02 15:22:29,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-12-02 15:22:29,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f1c84f-6a89-4cb1-b9af-c3718e64df33/bin/uautomizer-verify-84ZbGMXZE1/z3 [2024-12-02 15:22:29,073 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f1c84f-6a89-4cb1-b9af-c3718e64df33/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-12-02 15:22:29,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f1c84f-6a89-4cb1-b9af-c3718e64df33/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-12-02 15:22:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-02 15:22:29,098 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2024-12-02 15:22:29,099 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2024-12-02 15:22:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2024-12-02 15:22:29,099 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2024-12-02 15:22:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2024-12-02 15:22:29,099 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2024-12-02 15:22:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2024-12-02 15:22:29,099 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2024-12-02 15:22:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2024-12-02 15:22:29,099 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2024-12-02 15:22:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-12-02 15:22:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2024-12-02 15:22:29,099 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2024-12-02 15:22:29,099 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-02 15:22:29,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-02 15:22:29,158 INFO L234 CfgBuilder]: Building ICFG [2024-12-02 15:22:29,160 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-02 15:22:29,334 INFO L? ?]: Removed 36 outVars from TransFormulas that were not future-live. [2024-12-02 15:22:29,334 INFO L283 CfgBuilder]: Performing block encoding [2024-12-02 15:22:29,344 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-02 15:22:29,345 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-02 15:22:29,345 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:22:29 BoogieIcfgContainer [2024-12-02 15:22:29,345 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-02 15:22:29,347 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-12-02 15:22:29,347 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-12-02 15:22:29,352 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-12-02 15:22:29,352 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 03:22:28" (1/3) ... [2024-12-02 15:22:29,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa04d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:22:29, skipping insertion in model container [2024-12-02 15:22:29,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:22:28" (2/3) ... [2024-12-02 15:22:29,353 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3fa04d5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 03:22:29, skipping insertion in model container [2024-12-02 15:22:29,353 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:22:29" (3/3) ... [2024-12-02 15:22:29,355 INFO L128 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product28.cil.c [2024-12-02 15:22:29,370 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-12-02 15:22:29,371 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG minepump_spec4_product28.cil.c that has 7 procedures, 75 locations, 1 initial locations, 2 loop locations, and 1 error locations. [2024-12-02 15:22:29,415 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-12-02 15:22:29,425 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;@5f747b16, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-12-02 15:22:29,425 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-12-02 15:22:29,429 INFO L276 IsEmpty]: Start isEmpty. Operand has 75 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 64 states have internal predecessors, (80), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) [2024-12-02 15:22:29,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-02 15:22:29,435 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:22:29,436 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:22:29,436 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:22:29,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:22:29,441 INFO L85 PathProgramCache]: Analyzing trace with hash 1340859675, now seen corresponding path program 1 times [2024-12-02 15:22:29,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:22:29,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320455939] [2024-12-02 15:22:29,447 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:22:29,447 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:22:29,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:22:29,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:22:29,579 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:22:29,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320455939] [2024-12-02 15:22:29,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320455939] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:22:29,580 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:22:29,580 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:22:29,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [521245072] [2024-12-02 15:22:29,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:22:29,585 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-12-02 15:22:29,585 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:22:29,603 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-12-02 15:22:29,603 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-12-02 15:22:29,605 INFO L87 Difference]: Start difference. First operand has 75 states, 57 states have (on average 1.4035087719298245) internal successors, (80), 64 states have internal predecessors, (80), 10 states have call successors, (10), 6 states have call predecessors, (10), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:22:29,625 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:22:29,626 INFO L93 Difference]: Finished difference Result 142 states and 195 transitions. [2024-12-02 15:22:29,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-12-02 15:22:29,627 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-12-02 15:22:29,627 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:22:29,633 INFO L225 Difference]: With dead ends: 142 [2024-12-02 15:22:29,633 INFO L226 Difference]: Without dead ends: 66 [2024-12-02 15:22:29,635 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 [2024-12-02 15:22:29,637 INFO L435 NwaCegarLoop]: 94 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, 94 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 [2024-12-02 15:22:29,638 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 94 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:22:29,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2024-12-02 15:22:29,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 66. [2024-12-02 15:22:29,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 66 states, 50 states have (on average 1.32) internal successors, (66), 56 states have internal predecessors, (66), 10 states have call successors, (10), 6 states have call predecessors, (10), 5 states have return successors, (9), 7 states have call predecessors, (9), 9 states have call successors, (9) [2024-12-02 15:22:29,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 85 transitions. [2024-12-02 15:22:29,669 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 85 transitions. Word has length 19 [2024-12-02 15:22:29,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:22:29,669 INFO L471 AbstractCegarLoop]: Abstraction has 66 states and 85 transitions. [2024-12-02 15:22:29,670 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:22:29,670 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 85 transitions. [2024-12-02 15:22:29,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-12-02 15:22:29,671 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:22:29,671 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-12-02 15:22:29,672 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-12-02 15:22:29,672 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:22:29,672 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:22:29,672 INFO L85 PathProgramCache]: Analyzing trace with hash -43812665, now seen corresponding path program 1 times [2024-12-02 15:22:29,673 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:22:29,673 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184813765] [2024-12-02 15:22:29,673 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:22:29,673 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:22:29,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:22:29,765 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:22:29,765 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:22:29,766 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184813765] [2024-12-02 15:22:29,766 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1184813765] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:22:29,766 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:22:29,766 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-12-02 15:22:29,766 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850623268] [2024-12-02 15:22:29,766 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:22:29,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:22:29,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:22:29,768 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:22:29,768 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:22:29,768 INFO L87 Difference]: Start difference. First operand 66 states and 85 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:22:29,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:22:29,784 INFO L93 Difference]: Finished difference Result 95 states and 121 transitions. [2024-12-02 15:22:29,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:22:29,785 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2024-12-02 15:22:29,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:22:29,785 INFO L225 Difference]: With dead ends: 95 [2024-12-02 15:22:29,786 INFO L226 Difference]: Without dead ends: 58 [2024-12-02 15:22:29,786 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 [2024-12-02 15:22:29,787 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 17 mSDsluCounter, 52 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 125 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 [2024-12-02 15:22:29,787 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 125 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:22:29,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-12-02 15:22:29,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 58. [2024-12-02 15:22:29,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 45 states have (on average 1.3333333333333333) internal successors, (60), 51 states have internal predecessors, (60), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (7), 5 states have call predecessors, (7), 7 states have call successors, (7) [2024-12-02 15:22:29,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 74 transitions. [2024-12-02 15:22:29,794 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 74 transitions. Word has length 19 [2024-12-02 15:22:29,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:22:29,794 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 74 transitions. [2024-12-02 15:22:29,795 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:22:29,795 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 74 transitions. [2024-12-02 15:22:29,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-12-02 15:22:29,795 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:22:29,796 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] [2024-12-02 15:22:29,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-12-02 15:22:29,796 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:22:29,796 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:22:29,796 INFO L85 PathProgramCache]: Analyzing trace with hash -1268985308, now seen corresponding path program 1 times [2024-12-02 15:22:29,796 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:22:29,797 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [202902628] [2024-12-02 15:22:29,797 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:22:29,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:22:29,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:22:29,921 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:22:29,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:22:29,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [202902628] [2024-12-02 15:22:29,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [202902628] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:22:29,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:22:29,922 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:22:29,922 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108902286] [2024-12-02 15:22:29,922 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:22:29,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:22:29,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:22:29,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:22:29,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:22:29,923 INFO L87 Difference]: Start difference. First operand 58 states and 74 transitions. Second operand has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:22:29,983 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:22:29,984 INFO L93 Difference]: Finished difference Result 146 states and 191 transitions. [2024-12-02 15:22:29,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:22:29,984 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-12-02 15:22:29,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:22:29,986 INFO L225 Difference]: With dead ends: 146 [2024-12-02 15:22:29,986 INFO L226 Difference]: Without dead ends: 95 [2024-12-02 15:22:29,987 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 [2024-12-02 15:22:29,987 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 67 mSDsluCounter, 207 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:22:29,988 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 289 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:22:29,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-12-02 15:22:30,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 92. [2024-12-02 15:22:30,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 92 states, 71 states have (on average 1.3661971830985915) internal successors, (97), 80 states have internal predecessors, (97), 11 states have call successors, (11), 9 states have call predecessors, (11), 9 states have return successors, (12), 8 states have call predecessors, (12), 11 states have call successors, (12) [2024-12-02 15:22:30,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 92 states and 120 transitions. [2024-12-02 15:22:30,002 INFO L78 Accepts]: Start accepts. Automaton has 92 states and 120 transitions. Word has length 24 [2024-12-02 15:22:30,002 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:22:30,002 INFO L471 AbstractCegarLoop]: Abstraction has 92 states and 120 transitions. [2024-12-02 15:22:30,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.6) internal successors, (23), 5 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:22:30,003 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 120 transitions. [2024-12-02 15:22:30,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-12-02 15:22:30,004 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:22:30,004 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] [2024-12-02 15:22:30,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-12-02 15:22:30,004 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:22:30,005 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:22:30,005 INFO L85 PathProgramCache]: Analyzing trace with hash -1388526096, now seen corresponding path program 1 times [2024-12-02 15:22:30,005 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:22:30,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332040466] [2024-12-02 15:22:30,005 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:22:30,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:22:30,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:22:30,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:22:30,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:22:30,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332040466] [2024-12-02 15:22:30,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [332040466] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:22:30,113 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:22:30,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-12-02 15:22:30,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977124082] [2024-12-02 15:22:30,113 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:22:30,113 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:22:30,113 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:22:30,114 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:22:30,114 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:22:30,114 INFO L87 Difference]: Start difference. First operand 92 states and 120 transitions. Second operand has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:22:30,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:22:30,191 INFO L93 Difference]: Finished difference Result 250 states and 343 transitions. [2024-12-02 15:22:30,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:22:30,192 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 27 [2024-12-02 15:22:30,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:22:30,194 INFO L225 Difference]: With dead ends: 250 [2024-12-02 15:22:30,194 INFO L226 Difference]: Without dead ends: 165 [2024-12-02 15:22:30,195 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 [2024-12-02 15:22:30,196 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 41 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:22:30,196 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 263 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:22:30,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-12-02 15:22:30,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 165. [2024-12-02 15:22:30,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 126 states have (on average 1.3492063492063493) internal successors, (170), 141 states have internal predecessors, (170), 22 states have call successors, (22), 18 states have call predecessors, (22), 16 states have return successors, (27), 14 states have call predecessors, (27), 22 states have call successors, (27) [2024-12-02 15:22:30,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 219 transitions. [2024-12-02 15:22:30,219 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 219 transitions. Word has length 27 [2024-12-02 15:22:30,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:22:30,219 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 219 transitions. [2024-12-02 15:22:30,219 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.2) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:22:30,219 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 219 transitions. [2024-12-02 15:22:30,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2024-12-02 15:22:30,221 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:22:30,221 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] [2024-12-02 15:22:30,221 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-12-02 15:22:30,221 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:22:30,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:22:30,222 INFO L85 PathProgramCache]: Analyzing trace with hash -1082637387, now seen corresponding path program 1 times [2024-12-02 15:22:30,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:22:30,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642192164] [2024-12-02 15:22:30,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:22:30,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:22:30,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:22:30,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:22:30,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:22:30,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642192164] [2024-12-02 15:22:30,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642192164] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:22:30,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:22:30,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-12-02 15:22:30,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243280901] [2024-12-02 15:22:30,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:22:30,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-12-02 15:22:30,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:22:30,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-12-02 15:22:30,272 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-12-02 15:22:30,272 INFO L87 Difference]: Start difference. First operand 165 states and 219 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:22:30,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:22:30,290 INFO L93 Difference]: Finished difference Result 287 states and 390 transitions. [2024-12-02 15:22:30,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-12-02 15:22:30,290 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 29 [2024-12-02 15:22:30,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:22:30,292 INFO L225 Difference]: With dead ends: 287 [2024-12-02 15:22:30,292 INFO L226 Difference]: Without dead ends: 129 [2024-12-02 15:22:30,293 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 [2024-12-02 15:22:30,294 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:22:30,294 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 49 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:22:30,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-12-02 15:22:30,309 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 127. [2024-12-02 15:22:30,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 100 states have (on average 1.28) internal successors, (128), 107 states have internal predecessors, (128), 14 states have call successors, (14), 14 states have call predecessors, (14), 12 states have return successors, (16), 12 states have call predecessors, (16), 14 states have call successors, (16) [2024-12-02 15:22:30,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 158 transitions. [2024-12-02 15:22:30,311 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 158 transitions. Word has length 29 [2024-12-02 15:22:30,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:22:30,311 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 158 transitions. [2024-12-02 15:22:30,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-12-02 15:22:30,311 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 158 transitions. [2024-12-02 15:22:30,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-12-02 15:22:30,313 INFO L210 NwaCegarLoop]: Found error trace [2024-12-02 15:22:30,313 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] [2024-12-02 15:22:30,313 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-12-02 15:22:30,313 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-12-02 15:22:30,313 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-02 15:22:30,313 INFO L85 PathProgramCache]: Analyzing trace with hash 2087511510, now seen corresponding path program 1 times [2024-12-02 15:22:30,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-12-02 15:22:30,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374979709] [2024-12-02 15:22:30,314 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-12-02 15:22:30,314 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-02 15:22:30,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-02 15:22:30,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-02 15:22:30,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-12-02 15:22:30,396 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [374979709] [2024-12-02 15:22:30,396 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [374979709] provided 1 perfect and 0 imperfect interpolant sequences [2024-12-02 15:22:30,396 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-12-02 15:22:30,396 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-12-02 15:22:30,396 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [907048954] [2024-12-02 15:22:30,396 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-12-02 15:22:30,396 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-12-02 15:22:30,397 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-12-02 15:22:30,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-12-02 15:22:30,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-12-02 15:22:30,397 INFO L87 Difference]: Start difference. First operand 127 states and 158 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 5 states have internal predecessors, (28), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 15:22:30,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-12-02 15:22:30,435 INFO L93 Difference]: Finished difference Result 127 states and 158 transitions. [2024-12-02 15:22:30,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-12-02 15:22:30,435 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), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 31 [2024-12-02 15:22:30,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-12-02 15:22:30,436 INFO L225 Difference]: With dead ends: 127 [2024-12-02 15:22:30,436 INFO L226 Difference]: Without dead ends: 0 [2024-12-02 15:22:30,436 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 [2024-12-02 15:22:30,437 INFO L435 NwaCegarLoop]: 45 mSDtfsCounter, 27 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-12-02 15:22:30,437 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 133 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-12-02 15:22:30,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-12-02 15:22:30,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-12-02 15:22:30,438 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) [2024-12-02 15:22:30,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-12-02 15:22:30,438 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2024-12-02 15:22:30,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-12-02 15:22:30,439 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-12-02 15:22:30,439 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), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-12-02 15:22:30,439 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-12-02 15:22:30,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-02 15:22:30,441 INFO L782 garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-12-02 15:22:30,442 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-12-02 15:22:30,443 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-12-02 15:22:30,445 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-12-02 15:22:30,840 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-12-02 15:22:30,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 03:22:30 BoogieIcfgContainer [2024-12-02 15:22:30,851 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-12-02 15:22:30,851 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-02 15:22:30,851 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-02 15:22:30,851 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-02 15:22:30,852 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:22:29" (3/4) ... [2024-12-02 15:22:30,854 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-02 15:22:30,857 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump [2024-12-02 15:22:30,857 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base [2024-12-02 15:22:30,857 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel [2024-12-02 15:22:30,857 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup [2024-12-02 15:22:30,858 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift [2024-12-02 15:22:30,858 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise [2024-12-02 15:22:30,863 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2024-12-02 15:22:30,863 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-12-02 15:22:30,864 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-02 15:22:30,864 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 15:22:30,864 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-02 15:22:30,933 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f1c84f-6a89-4cb1-b9af-c3718e64df33/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml [2024-12-02 15:22:30,934 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f1c84f-6a89-4cb1-b9af-c3718e64df33/bin/uautomizer-verify-84ZbGMXZE1/witness.yml [2024-12-02 15:22:30,934 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-02 15:22:30,934 INFO L158 Benchmark]: Toolchain (without parser) took 2293.23ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 97.4MB in the end (delta: 19.7MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2024-12-02 15:22:30,935 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:22:30,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 335.34ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 98.4MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-02 15:22:30,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 36.41ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 96.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-02 15:22:30,935 INFO L158 Benchmark]: Boogie Preprocessor took 27.20ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 95.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:22:30,936 INFO L158 Benchmark]: RCFGBuilder took 302.42ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 79.9MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:22:30,936 INFO L158 Benchmark]: TraceAbstraction took 1503.43ms. Allocated memory is still 142.6MB. Free memory was 79.3MB in the beginning and 103.7MB in the end (delta: -24.4MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. [2024-12-02 15:22:30,936 INFO L158 Benchmark]: Witness Printer took 82.51ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 97.4MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-02 15:22:30,938 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 117.4MB. Free memory is still 72.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 335.34ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 98.4MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 36.41ms. Allocated memory is still 142.6MB. Free memory was 98.4MB in the beginning and 96.8MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 27.20ms. Allocated memory is still 142.6MB. Free memory was 96.8MB in the beginning and 95.1MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 302.42ms. Allocated memory is still 142.6MB. Free memory was 94.9MB in the beginning and 79.9MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1503.43ms. Allocated memory is still 142.6MB. Free memory was 79.3MB in the beginning and 103.7MB in the end (delta: -24.4MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB. * Witness Printer took 82.51ms. Allocated memory is still 142.6MB. Free memory was 103.7MB in the beginning and 97.4MB in the end (delta: 6.3MB). Peak memory consumption was 8.4MB. 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,"Specification4_spec.i","") [424] - GenericResultAtLocation [Line: 452]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [452] - GenericResultAtLocation [Line: 490]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [490] - GenericResultAtLocation [Line: 693]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [693] - GenericResultAtLocation [Line: 784]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [784] - GenericResultAtLocation [Line: 881]: Unsoundness Warning Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [881] * 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 7 procedures, 75 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 190 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 186 mSDsluCounter, 953 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 542 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 411 mSDtfsCounter, 60 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 31 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred in iteration=4, InterpolantAutomatonStates: 23, 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, 6 MinimizatonAttempts, 5 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 149 NumberOfCodeBlocks, 149 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 143 ConstructedInterpolants, 0 QuantifiedInterpolants, 297 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 891]: Location Invariant Derived location invariant: 0 - InvariantResult [Line: 796]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 892]: Loop Invariant Derived loop invariant: ((pumpRunning == 0) && (splverifierCounter == 0)) RESULT: Ultimate proved your program to be correct! [2024-12-02 15:22:30,953 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_36f1c84f-6a89-4cb1-b9af-c3718e64df33/bin/uautomizer-verify-84ZbGMXZE1/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