./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/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_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash fd0b8ceecda33bdad48c402c2c8ba6fe539641c6d50bf604e9c60e70c71a562b
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 07:54:15,223 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 07:54:15,277 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf
[2024-12-02 07:54:15,281 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 07:54:15,281 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 07:54:15,301 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 07:54:15,302 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 07:54:15,302 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 07:54:15,302 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 07:54:15,302 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 07:54:15,302 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 07:54:15,303 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 07:54:15,303 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 07:54:15,303 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-12-02 07:54:15,303 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2024-12-02 07:54:15,303 INFO L153 SettingsManager]: * Use old map elimination=false
[2024-12-02 07:54:15,303 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2024-12-02 07:54:15,303 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2024-12-02 07:54:15,303 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2024-12-02 07:54:15,303 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 07:54:15,303 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2024-12-02 07:54:15,303 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 07:54:15,303 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 07:54:15,304 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 07:54:15,304 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 07:54:15,304 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2024-12-02 07:54:15,304 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-12-02 07:54:15,304 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2024-12-02 07:54:15,304 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 07:54:15,304 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 07:54:15,304 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 07:54:15,304 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2024-12-02 07:54:15,304 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 07:54:15,304 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 07:54:15,304 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 07:54:15,304 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 07:54:15,305 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 07:54:15,305 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM
[2024-12-02 07:54:15,305 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-12-02 07:54:15,305 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR
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_c7360817-75c0-4a39-a2b0-1708b23fbff6/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(F end) )
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 -> fd0b8ceecda33bdad48c402c2c8ba6fe539641c6d50bf604e9c60e70c71a562b
[2024-12-02 07:54:15,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 07:54:15,555 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 07:54:15,557 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 07:54:15,558 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 07:54:15,558 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 07:54:15,559 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c
[2024-12-02 07:54:18,225 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/data/cab05141d/287309a5df8d4305a0fdff7dbf8e41dd/FLAGbb6bd928d
[2024-12-02 07:54:18,448 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 07:54:18,448 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/sv-benchmarks/c/product-lines/minepump_spec1_product63.cil.c
[2024-12-02 07:54:18,460 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/data/cab05141d/287309a5df8d4305a0fdff7dbf8e41dd/FLAGbb6bd928d
[2024-12-02 07:54:18,474 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/data/cab05141d/287309a5df8d4305a0fdff7dbf8e41dd
[2024-12-02 07:54:18,477 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 07:54:18,478 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 07:54:18,479 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 07:54:18,479 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 07:54:18,483 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 07:54:18,484 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:54:18" (1/1) ...
[2024-12-02 07:54:18,485 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6752e498 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:18, skipping insertion in model container
[2024-12-02 07:54:18,485 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:54:18" (1/1) ...
[2024-12-02 07:54:18,513 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 07:54:18,745 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 07:54:18,754 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 07:54:18,760 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [49]
[2024-12-02 07:54:18,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [316]
[2024-12-02 07:54:18,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [386]
[2024-12-02 07:54:18,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [395]
[2024-12-02 07:54:18,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [761]
[2024-12-02 07:54:18,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [860]
[2024-12-02 07:54:18,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [886]
[2024-12-02 07:54:18,761 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [990]
[2024-12-02 07:54:18,813 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 07:54:18,831 INFO L204 MainTranslator]: Completed translation
[2024-12-02 07:54:18,831 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:18 WrapperNode
[2024-12-02 07:54:18,831 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 07:54:18,832 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 07:54:18,832 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 07:54:18,833 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 07:54:18,837 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:18" (1/1) ...
[2024-12-02 07:54:18,848 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:18" (1/1) ...
[2024-12-02 07:54:18,889 INFO L138 Inliner]: procedures = 58, calls = 107, calls flagged for inlining = 60, calls inlined = 178, statements flattened = 1208
[2024-12-02 07:54:18,889 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 07:54:18,890 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 07:54:18,890 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 07:54:18,890 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 07:54:18,899 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:18" (1/1) ...
[2024-12-02 07:54:18,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:18" (1/1) ...
[2024-12-02 07:54:18,904 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:18" (1/1) ...
[2024-12-02 07:54:18,924 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 07:54:18,924 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:18" (1/1) ...
[2024-12-02 07:54:18,924 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:18" (1/1) ...
[2024-12-02 07:54:18,937 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:18" (1/1) ...
[2024-12-02 07:54:18,939 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:18" (1/1) ...
[2024-12-02 07:54:18,947 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:18" (1/1) ...
[2024-12-02 07:54:18,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:18" (1/1) ...
[2024-12-02 07:54:18,952 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:18" (1/1) ...
[2024-12-02 07:54:18,956 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 07:54:18,957 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 07:54:18,957 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 07:54:18,957 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 07:54:18,958 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:18" (1/1) ...
[2024-12-02 07:54:18,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-12-02 07:54:18,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:54:18,991 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-12-02 07:54:18,993 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-12-02 07:54:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 07:54:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 07:54:19,015 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 07:54:19,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 07:54:19,076 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 07:54:19,078 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 07:54:19,690 INFO L? ?]: Removed 307 outVars from TransFormulas that were not future-live.
[2024-12-02 07:54:19,690 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 07:54:19,707 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 07:54:19,708 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-02 07:54:19,708 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:54:19 BoogieIcfgContainer
[2024-12-02 07:54:19,708 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 07:54:19,709 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-12-02 07:54:19,709 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2024-12-02 07:54:19,715 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2024-12-02 07:54:19,715 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 07:54:19,715 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 07:54:18" (1/3) ...
[2024-12-02 07:54:19,716 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@456c0192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 07:54:19, skipping insertion in model container
[2024-12-02 07:54:19,717 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 07:54:19,717 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:54:18" (2/3) ...
[2024-12-02 07:54:19,717 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@456c0192 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 07:54:19, skipping insertion in model container
[2024-12-02 07:54:19,717 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 07:54:19,717 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:54:19" (3/3) ...
[2024-12-02 07:54:19,718 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product63.cil.c
[2024-12-02 07:54:19,770 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2024-12-02 07:54:19,770 INFO L301 stractBuchiCegarLoop]: Hoare is None
[2024-12-02 07:54:19,770 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-12-02 07:54:19,770 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-12-02 07:54:19,771 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-12-02 07:54:19,771 INFO L305 stractBuchiCegarLoop]: Difference is false
[2024-12-02 07:54:19,771 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-12-02 07:54:19,771 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-12-02 07:54:19,777 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 323 states, 322 states have (on average 1.3509316770186335) internal successors, (435), 322 states have internal predecessors, (435), 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 07:54:19,799 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 212
[2024-12-02 07:54:19,800 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 07:54:19,800 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 07:54:19,804 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:54:19,804 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:54:19,804 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-12-02 07:54:19,805 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 323 states, 322 states have (on average 1.3509316770186335) internal successors, (435), 322 states have internal predecessors, (435), 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 07:54:19,811 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 212
[2024-12-02 07:54:19,812 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 07:54:19,812 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 07:54:19,812 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:54:19,812 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:54:19,816 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1;" "main_#t~ret46#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret46#1;havoc main_#t~ret46#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 07:54:19,816 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet19#1;test_~tmp~6#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume !(0 != test_~tmp~6#1);" "havoc test_#t~nondet20#1;test_~tmp___0~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~11#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~11#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1;" "__utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~11#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~11#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~11#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 07:54:19,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:54:19,821 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times
[2024-12-02 07:54:19,829 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 07:54:19,829 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2109336511]
[2024-12-02 07:54:19,829 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:54:19,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:54:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 07:54:19,910 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 07:54:19,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 07:54:19,937 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 07:54:19,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:54:19,940 INFO L85 PathProgramCache]: Analyzing trace with hash -1887934152, now seen corresponding path program 1 times
[2024-12-02 07:54:19,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 07:54:19,940 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348851188]
[2024-12-02 07:54:19,941 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:54:19,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:54:19,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 07:54:19,947 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 07:54:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 07:54:19,954 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 07:54:19,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:54:19,955 INFO L85 PathProgramCache]: Analyzing trace with hash -1844210956, now seen corresponding path program 1 times
[2024-12-02 07:54:19,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 07:54:19,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233466132]
[2024-12-02 07:54:19,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:54:19,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:54:19,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:54:20,119 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 07:54:20,119 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233466132]
[2024-12-02 07:54:20,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [233466132] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 07:54:20,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1299266192]
[2024-12-02 07:54:20,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:54:20,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 07:54:20,120 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:54:20,122 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 07:54:20,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 07:54:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:54:20,194 INFO L256 TraceCheckSpWp]: Trace formula consists of 118 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 07:54:20,195 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 07:54:20,243 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 07:54:20,281 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1299266192] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 07:54:20,281 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 07:54:20,281 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6
[2024-12-02 07:54:20,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606977418]
[2024-12-02 07:54:20,282 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 07:54:20,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 07:54:20,397 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 07:54:20,397 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-12-02 07:54:20,400 INFO L87 Difference]: Start difference. First operand has 323 states, 322 states have (on average 1.3509316770186335) internal successors, (435), 322 states have internal predecessors, (435), 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) Second operand has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 6 states have internal predecessors, (39), 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 07:54:20,527 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:54:20,528 INFO L93 Difference]: Finished difference Result 689 states and 911 transitions.
[2024-12-02 07:54:20,529 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 689 states and 911 transitions.
[2024-12-02 07:54:20,537 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 449
[2024-12-02 07:54:20,547 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 689 states to 659 states and 881 transitions.
[2024-12-02 07:54:20,548 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 659
[2024-12-02 07:54:20,549 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 659
[2024-12-02 07:54:20,550 INFO L73 IsDeterministic]: Start isDeterministic. Operand 659 states and 881 transitions.
[2024-12-02 07:54:20,553 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 07:54:20,554 INFO L218 hiAutomatonCegarLoop]: Abstraction has 659 states and 881 transitions.
[2024-12-02 07:54:20,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states and 881 transitions.
[2024-12-02 07:54:20,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 357.
[2024-12-02 07:54:20,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 357 states have (on average 1.3361344537815125) internal successors, (477), 356 states have internal predecessors, (477), 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 07:54:20,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 477 transitions.
[2024-12-02 07:54:20,591 INFO L240 hiAutomatonCegarLoop]: Abstraction has 357 states and 477 transitions.
[2024-12-02 07:54:20,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 07:54:20,596 INFO L425 stractBuchiCegarLoop]: Abstraction has 357 states and 477 transitions.
[2024-12-02 07:54:20,596 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-12-02 07:54:20,596 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 357 states and 477 transitions.
[2024-12-02 07:54:20,599 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 244
[2024-12-02 07:54:20,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 07:54:20,599 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 07:54:20,600 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:54:20,600 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:54:20,600 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1;" "main_#t~ret46#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret46#1;havoc main_#t~ret46#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 07:54:20,600 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet19#1;test_~tmp~6#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume !(0 != test_~tmp~6#1);" "havoc test_#t~nondet20#1;test_~tmp___0~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume 0 != ~pumpRunning~0;assume { :begin_inline_isMethaneAlarm } true;havoc isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret8#1, isMethaneAlarm_~retValue_acc~0#1;havoc isMethaneAlarm_~retValue_acc~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1;" "isMethaneAlarm_#t~ret8#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;isMethaneAlarm_~retValue_acc~0#1 := isMethaneAlarm_#t~ret8#1;havoc isMethaneAlarm_#t~ret8#1;isMethaneAlarm_#res#1 := isMethaneAlarm_~retValue_acc~0#1;" "processEnvironment_#t~ret6#1 := isMethaneAlarm_#res#1;havoc isMethaneAlarm_#t~ret8#1, isMethaneAlarm_~retValue_acc~0#1;assume { :end_inline_isMethaneAlarm } true;processEnvironment_~tmp~2#1 := processEnvironment_#t~ret6#1;havoc processEnvironment_#t~ret6#1;" "assume 0 != processEnvironment_~tmp~2#1;assume { :begin_inline_deactivatePump } true;~pumpRunning~0 := 0;" "assume { :end_inline_deactivatePump } true;" "havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~11#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~11#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1;" "__utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~11#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~11#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~11#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 07:54:20,600 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:54:20,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times
[2024-12-02 07:54:20,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 07:54:20,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023089861]
[2024-12-02 07:54:20,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:54:20,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:54:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 07:54:20,610 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 07:54:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 07:54:20,619 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 07:54:20,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:54:20,619 INFO L85 PathProgramCache]: Analyzing trace with hash 234573473, now seen corresponding path program 1 times
[2024-12-02 07:54:20,620 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 07:54:20,620 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1831813430]
[2024-12-02 07:54:20,620 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:54:20,620 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:54:20,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:54:20,645 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 07:54:20,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1831813430]
[2024-12-02 07:54:20,645 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1831813430] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 07:54:20,645 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [680696262]
[2024-12-02 07:54:20,645 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:54:20,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 07:54:20,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:54:20,648 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 07:54:20,649 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 07:54:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:54:20,695 INFO L256 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 07:54:20,696 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 07:54:20,703 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 07:54:20,709 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [680696262] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 07:54:20,709 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 07:54:20,709 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-12-02 07:54:20,709 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840607842]
[2024-12-02 07:54:20,709 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 07:54:20,709 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-12-02 07:54:20,709 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 07:54:20,710 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 07:54:20,710 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 07:54:20,710 INFO L87 Difference]: Start difference. First operand 357 states and 477 transitions. cyclomatic complexity: 123 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 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 07:54:20,805 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 07:54:20,805 INFO L93 Difference]: Finished difference Result 357 states and 451 transitions.
[2024-12-02 07:54:20,805 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 357 states and 451 transitions.
[2024-12-02 07:54:20,807 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 249
[2024-12-02 07:54:20,809 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 357 states to 357 states and 451 transitions.
[2024-12-02 07:54:20,809 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 357
[2024-12-02 07:54:20,809 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 357
[2024-12-02 07:54:20,809 INFO L73 IsDeterministic]: Start isDeterministic. Operand 357 states and 451 transitions.
[2024-12-02 07:54:20,810 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 07:54:20,810 INFO L218 hiAutomatonCegarLoop]: Abstraction has 357 states and 451 transitions.
[2024-12-02 07:54:20,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states and 451 transitions.
[2024-12-02 07:54:20,819 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 357.
[2024-12-02 07:54:20,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 357 states, 357 states have (on average 1.2633053221288515) internal successors, (451), 356 states have internal predecessors, (451), 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 07:54:20,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 451 transitions.
[2024-12-02 07:54:20,822 INFO L240 hiAutomatonCegarLoop]: Abstraction has 357 states and 451 transitions.
[2024-12-02 07:54:20,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 07:54:20,823 INFO L425 stractBuchiCegarLoop]: Abstraction has 357 states and 451 transitions.
[2024-12-02 07:54:20,823 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2024-12-02 07:54:20,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 357 states and 451 transitions.
[2024-12-02 07:54:20,825 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 249
[2024-12-02 07:54:20,825 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 07:54:20,825 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 07:54:20,825 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:54:20,825 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:54:20,826 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret46#1, main_~retValue_acc~7#1, main_~tmp~10#1;havoc main_~retValue_acc~7#1;havoc main_~tmp~10#1;assume { :begin_inline_select_helpers } true;" "assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true;" "assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;havoc valid_product_~retValue_acc~13#1;valid_product_~retValue_acc~13#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~13#1;" "main_#t~ret46#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~13#1;assume { :end_inline_valid_product } true;main_~tmp~10#1 := main_#t~ret46#1;havoc main_#t~ret46#1;" "assume 0 != main_~tmp~10#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet19#1, test_#t~nondet20#1, test_#t~nondet21#1, test_#t~nondet22#1, test_~splverifierCounter~0#1, test_~tmp~6#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~6#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 07:54:20,826 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet19#1;test_~tmp~6#1 := test_#t~nondet19#1;havoc test_#t~nondet19#1;" "assume !(0 != test_~tmp~6#1);" "havoc test_#t~nondet20#1;test_~tmp___0~2#1 := test_#t~nondet20#1;havoc test_#t~nondet20#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet21#1;test_~tmp___2~0#1 := test_#t~nondet21#1;havoc test_#t~nondet21#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret5#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~0#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret17#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~4#1;havoc isHighWaterLevel_~tmp___0~0#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~10#1;havoc isHighWaterSensorDry_~retValue_acc~10#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~10#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~10#1;" "isHighWaterLevel_#t~ret17#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~10#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret17#1;havoc isHighWaterLevel_#t~ret17#1;" "assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~0#1 := 0;" "isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~0#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret4#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret17#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~0#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~0#1 := processEnvironment__wrappee__highWaterSensor_#t~ret4#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~0#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret4#1, processEnvironment__wrappee__highWaterSensor_~tmp~0#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment__wrappee__methaneQuery_#t~ret5#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret6#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~11#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;havoc __utac_acc__Specification1_spec__1_~tmp~11#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;isMethaneLevelCritical_~retValue_acc~8#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~8#1;" "__utac_acc__Specification1_spec__1_#t~ret47#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~8#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~11#1 := __utac_acc__Specification1_spec__1_#t~ret47#1;havoc __utac_acc__Specification1_spec__1_#t~ret47#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~11#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret47#1, __utac_acc__Specification1_spec__1_#t~ret48#1, __utac_acc__Specification1_spec__1_~tmp~11#1, __utac_acc__Specification1_spec__1_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 07:54:20,826 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:54:20,826 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times
[2024-12-02 07:54:20,826 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 07:54:20,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242895694]
[2024-12-02 07:54:20,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:54:20,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:54:20,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 07:54:20,834 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 07:54:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 07:54:20,841 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 07:54:20,842 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:54:20,842 INFO L85 PathProgramCache]: Analyzing trace with hash 52056975, now seen corresponding path program 1 times
[2024-12-02 07:54:20,842 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 07:54:20,842 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845434054]
[2024-12-02 07:54:20,842 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:54:20,842 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:54:20,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 07:54:20,850 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 07:54:20,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 07:54:20,858 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 07:54:20,858 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:54:20,858 INFO L85 PathProgramCache]: Analyzing trace with hash -1198924973, now seen corresponding path program 1 times
[2024-12-02 07:54:20,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 07:54:20,858 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1455284366]
[2024-12-02 07:54:20,859 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:54:20,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:54:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 07:54:20,870 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 07:54:20,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 07:54:20,883 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 07:54:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 07:54:21,763 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 07:54:21,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 07:54:21,810 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 07:54:21 BoogieIcfgContainer
[2024-12-02 07:54:21,810 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-12-02 07:54:21,811 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 07:54:21,811 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 07:54:21,811 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 07:54:21,812 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:54:19" (3/4) ...
[2024-12-02 07:54:21,813 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample
[2024-12-02 07:54:21,853 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 07:54:21,853 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 07:54:21,854 INFO L158 Benchmark]: Toolchain (without parser) took 3375.70ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 92.4MB in the beginning and 76.7MB in the end (delta: 15.7MB). Peak memory consumption was 120.0MB. Max. memory is 16.1GB.
[2024-12-02 07:54:21,854 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 07:54:21,854 INFO L158 Benchmark]: CACSL2BoogieTranslator took 352.79ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 73.4MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 07:54:21,855 INFO L158 Benchmark]: Boogie Procedure Inliner took 57.01ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 68.9MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 07:54:21,855 INFO L158 Benchmark]: Boogie Preprocessor took 66.82ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 63.8MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 07:54:21,855 INFO L158 Benchmark]: RCFGBuilder took 750.96ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 70.9MB in the end (delta: -7.1MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB.
[2024-12-02 07:54:21,856 INFO L158 Benchmark]: BuchiAutomizer took 2101.14ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 70.4MB in the beginning and 79.6MB in the end (delta: -9.2MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB.
[2024-12-02 07:54:21,856 INFO L158 Benchmark]: Witness Printer took 42.14ms. Allocated memory is still 218.1MB. Free memory was 79.6MB in the beginning and 76.7MB in the end (delta: 2.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 07:54:21,857 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.22ms. Allocated memory is still 117.4MB. Free memory is still 73.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 352.79ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 73.4MB in the end (delta: 18.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 57.01ms. Allocated memory is still 117.4MB. Free memory was 73.4MB in the beginning and 68.9MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 66.82ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 63.8MB in the end (delta: 5.2MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 750.96ms. Allocated memory is still 117.4MB. Free memory was 63.8MB in the beginning and 70.9MB in the end (delta: -7.1MB). Peak memory consumption was 31.8MB. Max. memory is 16.1GB.
* BuchiAutomizer took 2101.14ms. Allocated memory was 117.4MB in the beginning and 218.1MB in the end (delta: 100.7MB). Free memory was 70.4MB in the beginning and 79.6MB in the end (delta: -9.2MB). Peak memory consumption was 88.2MB. Max. memory is 16.1GB.
* Witness Printer took 42.14ms. Allocated memory is still 218.1MB. Free memory was 79.6MB in the beginning and 76.7MB in the end (delta: 2.9MB). 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,"MinePump.i","") [49]
- GenericResultAtLocation [Line: 316]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [316]
- GenericResultAtLocation [Line: 386]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [386]
- GenericResultAtLocation [Line: 395]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [395]
- GenericResultAtLocation [Line: 761]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [761]
- GenericResultAtLocation [Line: 860]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [860]
- GenericResultAtLocation [Line: 886]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [886]
- GenericResultAtLocation [Line: 990]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [990]
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 7 locations. The remainder module has 357 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 2.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.6s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 302 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1841 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1841 mSDsluCounter, 2164 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1443 mSDsCounter, 44 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 79 IncrementalHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 44 mSolverCounterUnsat, 721 mSDtfsCounter, 79 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI1 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- LassoShapedNonTerminationArgument [Line: 332]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L61] int pumpRunning = 0;
[L62] int systemActive = 1;
[L565] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L762] int cleanupTimeShifts = 4;
[L888] int waterLevel = 1;
[L889] int methaneLevelCritical = 0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L838] int retValue_acc ;
[L839] int tmp ;
[L843] FCALL select_helpers()
[L844] FCALL select_features()
[L845] CALL, EXPR valid_product()
[L1017] int retValue_acc ;
[L1020] retValue_acc = 1
[L1021] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L845] RET, EXPR valid_product()
[L845] tmp = valid_product()
[L847] COND TRUE \read(tmp)
[L849] FCALL setup()
[L850] CALL runTest()
[L829] CALL test()
[L321] int splverifierCounter ;
[L322] int tmp ;
[L323] int tmp___0 ;
[L324] int tmp___1 ;
[L325] int tmp___2 ;
[L328] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L332] COND TRUE splverifierCounter < 4
[L338] tmp = __VERIFIER_nondet_int()
[L340] COND FALSE !(\read(tmp))
[L348] tmp___0 = __VERIFIER_nondet_int()
[L350] COND FALSE !(\read(tmp___0))
[L358] tmp___2 = __VERIFIER_nondet_int()
[L360] COND TRUE \read(tmp___2)
[L375] CALL timeShift()
[L69] COND FALSE !(\read(pumpRunning))
[L76] COND TRUE \read(systemActive)
[L78] CALL processEnvironment()
[L150] int tmp ;
[L153] COND FALSE !(\read(pumpRunning))
[L168] CALL processEnvironment__wrappee__methaneQuery()
[L124] int tmp ;
[L127] COND FALSE !(\read(pumpRunning))
[L142] CALL processEnvironment__wrappee__highWaterSensor()
[L98] int tmp ;
[L101] COND TRUE ! pumpRunning
[L103] CALL, EXPR isHighWaterLevel()
[L264] int retValue_acc ;
[L265] int tmp ;
[L266] int tmp___0 ;
[L270] CALL, EXPR isHighWaterSensorDry()
[L968] int retValue_acc ;
[L971] COND TRUE waterLevel < 2
[L972] retValue_acc = 1
[L973] return (retValue_acc);
[L270] RET, EXPR isHighWaterSensorDry()
[L270] tmp = isHighWaterSensorDry()
[L272] COND TRUE \read(tmp)
[L273] tmp___0 = 0
[L277] retValue_acc = tmp___0
[L278] return (retValue_acc);
[L103] RET, EXPR isHighWaterLevel()
[L103] tmp = isHighWaterLevel()
[L105] COND FALSE !(\read(tmp))
[L111] FCALL processEnvironment__wrappee__base()
[L142] RET processEnvironment__wrappee__highWaterSensor()
[L168] RET processEnvironment__wrappee__methaneQuery()
[L78] RET processEnvironment()
[L84] CALL __utac_acc__Specification1_spec__1()
[L862] int tmp ;
[L863] int tmp___0 ;
[L867] CALL, EXPR isMethaneLevelCritical()
[L927] int retValue_acc ;
[L930] retValue_acc = methaneLevelCritical
[L931] return (retValue_acc);
[L867] RET, EXPR isMethaneLevelCritical()
[L867] tmp = isMethaneLevelCritical()
[L869] COND FALSE !(\read(tmp))
[L84] RET __utac_acc__Specification1_spec__1()
[L375] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 332]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L61] int pumpRunning = 0;
[L62] int systemActive = 1;
[L565] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L762] int cleanupTimeShifts = 4;
[L888] int waterLevel = 1;
[L889] int methaneLevelCritical = 0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L838] int retValue_acc ;
[L839] int tmp ;
[L843] FCALL select_helpers()
[L844] FCALL select_features()
[L845] CALL, EXPR valid_product()
[L1017] int retValue_acc ;
[L1020] retValue_acc = 1
[L1021] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L845] RET, EXPR valid_product()
[L845] tmp = valid_product()
[L847] COND TRUE \read(tmp)
[L849] FCALL setup()
[L850] CALL runTest()
[L829] CALL test()
[L321] int splverifierCounter ;
[L322] int tmp ;
[L323] int tmp___0 ;
[L324] int tmp___1 ;
[L325] int tmp___2 ;
[L328] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L332] COND TRUE splverifierCounter < 4
[L338] tmp = __VERIFIER_nondet_int()
[L340] COND FALSE !(\read(tmp))
[L348] tmp___0 = __VERIFIER_nondet_int()
[L350] COND FALSE !(\read(tmp___0))
[L358] tmp___2 = __VERIFIER_nondet_int()
[L360] COND TRUE \read(tmp___2)
[L375] CALL timeShift()
[L69] COND FALSE !(\read(pumpRunning))
[L76] COND TRUE \read(systemActive)
[L78] CALL processEnvironment()
[L150] int tmp ;
[L153] COND FALSE !(\read(pumpRunning))
[L168] CALL processEnvironment__wrappee__methaneQuery()
[L124] int tmp ;
[L127] COND FALSE !(\read(pumpRunning))
[L142] CALL processEnvironment__wrappee__highWaterSensor()
[L98] int tmp ;
[L101] COND TRUE ! pumpRunning
[L103] CALL, EXPR isHighWaterLevel()
[L264] int retValue_acc ;
[L265] int tmp ;
[L266] int tmp___0 ;
[L270] CALL, EXPR isHighWaterSensorDry()
[L968] int retValue_acc ;
[L971] COND TRUE waterLevel < 2
[L972] retValue_acc = 1
[L973] return (retValue_acc);
[L270] RET, EXPR isHighWaterSensorDry()
[L270] tmp = isHighWaterSensorDry()
[L272] COND TRUE \read(tmp)
[L273] tmp___0 = 0
[L277] retValue_acc = tmp___0
[L278] return (retValue_acc);
[L103] RET, EXPR isHighWaterLevel()
[L103] tmp = isHighWaterLevel()
[L105] COND FALSE !(\read(tmp))
[L111] FCALL processEnvironment__wrappee__base()
[L142] RET processEnvironment__wrappee__highWaterSensor()
[L168] RET processEnvironment__wrappee__methaneQuery()
[L78] RET processEnvironment()
[L84] CALL __utac_acc__Specification1_spec__1()
[L862] int tmp ;
[L863] int tmp___0 ;
[L867] CALL, EXPR isMethaneLevelCritical()
[L927] int retValue_acc ;
[L930] retValue_acc = methaneLevelCritical
[L931] return (retValue_acc);
[L867] RET, EXPR isMethaneLevelCritical()
[L867] tmp = isMethaneLevelCritical()
[L869] COND FALSE !(\read(tmp))
[L84] RET __utac_acc__Specification1_spec__1()
[L375] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2024-12-02 07:54:21,874 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 07:54:22,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 07:54:22,270 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7360817-75c0-4a39-a2b0-1708b23fbff6/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)