./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product44.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_ee6dc707-64aa-4827-bd78-68b3cf3c328e/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/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_ee6dc707-64aa-4827-bd78-68b3cf3c328e/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/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_ee6dc707-64aa-4827-bd78-68b3cf3c328e/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 471ad46a1662a2ee36763023473e29e175f1086d40bbf36d792af661871bf09e
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 06:55:52,647 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 06:55:52,704 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf
[2024-12-02 06:55:52,709 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 06:55:52,709 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 06:55:52,730 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 06:55:52,730 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 06:55:52,731 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 06:55:52,731 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 06:55:52,731 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 06:55:52,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 06:55:52,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 06:55:52,732 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 06:55:52,732 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-12-02 06:55:52,732 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2024-12-02 06:55:52,732 INFO L153 SettingsManager]: * Use old map elimination=false
[2024-12-02 06:55:52,732 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2024-12-02 06:55:52,732 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2024-12-02 06:55:52,732 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2024-12-02 06:55:52,732 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 06:55:52,732 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2024-12-02 06:55:52,732 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 06:55:52,732 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 06:55:52,733 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 06:55:52,733 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 06:55:52,733 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2024-12-02 06:55:52,733 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-12-02 06:55:52,733 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2024-12-02 06:55:52,733 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 06:55:52,733 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 06:55:52,733 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 06:55:52,733 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2024-12-02 06:55:52,733 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 06:55:52,733 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 06:55:52,733 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 06:55:52,734 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:55:52,734 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 06:55:52,734 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM
[2024-12-02 06:55:52,734 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-12-02 06:55:52,734 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_ee6dc707-64aa-4827-bd78-68b3cf3c328e/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 -> 471ad46a1662a2ee36763023473e29e175f1086d40bbf36d792af661871bf09e
[2024-12-02 06:55:52,976 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 06:55:52,984 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 06:55:52,986 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 06:55:52,988 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 06:55:52,988 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 06:55:52,989 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c
[2024-12-02 06:55:55,684 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/bin/uautomizer-verify-84ZbGMXZE1/data/a9c143d76/6cc2d93620db4d9f9f6321c4a9651f71/FLAGf3251f09c
[2024-12-02 06:55:55,888 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 06:55:55,889 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/sv-benchmarks/c/product-lines/minepump_spec2_product44.cil.c
[2024-12-02 06:55:55,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/bin/uautomizer-verify-84ZbGMXZE1/data/a9c143d76/6cc2d93620db4d9f9f6321c4a9651f71/FLAGf3251f09c
[2024-12-02 06:55:55,910 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/bin/uautomizer-verify-84ZbGMXZE1/data/a9c143d76/6cc2d93620db4d9f9f6321c4a9651f71
[2024-12-02 06:55:55,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 06:55:55,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 06:55:55,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 06:55:55,915 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 06:55:55,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 06:55:55,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:55:55" (1/1) ...
[2024-12-02 06:55:55,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@528cbf55 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:55, skipping insertion in model container
[2024-12-02 06:55:55,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:55:55" (1/1) ...
[2024-12-02 06:55:55,950 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 06:55:56,205 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:55:56,218 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 06:55:56,226 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49]
[2024-12-02 06:55:56,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58]
[2024-12-02 06:55:56,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133]
[2024-12-02 06:55:56,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [335]
[2024-12-02 06:55:56,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [373]
[2024-12-02 06:55:56,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [471]
[2024-12-02 06:55:56,228 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [510]
[2024-12-02 06:55:56,229 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [605]
[2024-12-02 06:55:56,277 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:55:56,296 INFO L204 MainTranslator]: Completed translation
[2024-12-02 06:55:56,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:56 WrapperNode
[2024-12-02 06:55:56,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 06:55:56,298 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 06:55:56,298 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 06:55:56,298 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 06:55:56,305 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:56" (1/1) ...
[2024-12-02 06:55:56,316 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:56" (1/1) ...
[2024-12-02 06:55:56,342 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 53, calls inlined = 63, statements flattened = 426
[2024-12-02 06:55:56,342 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 06:55:56,343 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 06:55:56,343 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 06:55:56,343 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 06:55:56,352 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:56" (1/1) ...
[2024-12-02 06:55:56,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:56" (1/1) ...
[2024-12-02 06:55:56,355 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:56" (1/1) ...
[2024-12-02 06:55:56,369 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 06:55:56,369 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:56" (1/1) ...
[2024-12-02 06:55:56,369 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:56" (1/1) ...
[2024-12-02 06:55:56,375 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:56" (1/1) ...
[2024-12-02 06:55:56,376 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:56" (1/1) ...
[2024-12-02 06:55:56,381 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:56" (1/1) ...
[2024-12-02 06:55:56,383 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:56" (1/1) ...
[2024-12-02 06:55:56,384 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:56" (1/1) ...
[2024-12-02 06:55:56,386 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 06:55:56,387 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 06:55:56,387 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 06:55:56,387 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 06:55:56,388 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:56" (1/1) ...
[2024-12-02 06:55:56,394 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-12-02 06:55:56,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:55:56,419 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-12-02 06:55:56,422 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-12-02 06:55:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 06:55:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 06:55:56,449 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 06:55:56,449 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 06:55:56,516 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 06:55:56,518 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 06:55:56,827 INFO L? ?]: Removed 91 outVars from TransFormulas that were not future-live.
[2024-12-02 06:55:56,827 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 06:55:56,838 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 06:55:56,838 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-02 06:55:56,838 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:55:56 BoogieIcfgContainer
[2024-12-02 06:55:56,838 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 06:55:56,839 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-12-02 06:55:56,839 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2024-12-02 06:55:56,844 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2024-12-02 06:55:56,845 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 06:55:56,845 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 06:55:55" (1/3) ...
[2024-12-02 06:55:56,846 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c42ccb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:55:56, skipping insertion in model container
[2024-12-02 06:55:56,846 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 06:55:56,846 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:55:56" (2/3) ...
[2024-12-02 06:55:56,846 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@c42ccb2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:55:56, skipping insertion in model container
[2024-12-02 06:55:56,847 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 06:55:56,847 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:55:56" (3/3) ...
[2024-12-02 06:55:56,848 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product44.cil.c
[2024-12-02 06:55:56,892 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2024-12-02 06:55:56,892 INFO L301 stractBuchiCegarLoop]: Hoare is None
[2024-12-02 06:55:56,892 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-12-02 06:55:56,892 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-12-02 06:55:56,892 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-12-02 06:55:56,893 INFO L305 stractBuchiCegarLoop]: Difference is false
[2024-12-02 06:55:56,893 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-12-02 06:55:56,893 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-12-02 06:55:56,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 127 states, 126 states have (on average 1.373015873015873) internal successors, (173), 126 states have internal predecessors, (173), 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 06:55:56,918 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81
[2024-12-02 06:55:56,918 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 06:55:56,918 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 06:55:56,925 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:56,926 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:56,926 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-12-02 06:55:56,926 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 127 states, 126 states have (on average 1.373015873015873) internal successors, (173), 126 states have internal predecessors, (173), 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 06:55:56,931 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 81
[2024-12-02 06:55:56,932 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 06:55:56,932 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 06:55:56,932 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:56,932 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:56,938 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;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 06:55:56,938 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_#t~ret23#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification2_spec__2_#t~ret22#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret22#1;havoc __utac_acc__Specification2_spec__2_#t~ret22#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_#t~ret23#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 06:55:56,943 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:56,943 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times
[2024-12-02 06:55:56,951 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:55:56,951 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65244383]
[2024-12-02 06:55:56,951 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:56,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:55:57,035 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:55:57,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:55:57,066 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 06:55:57,069 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:57,069 INFO L85 PathProgramCache]: Analyzing trace with hash -808370539, now seen corresponding path program 1 times
[2024-12-02 06:55:57,069 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:55:57,069 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1948724824]
[2024-12-02 06:55:57,069 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:57,069 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:57,142 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 06:55:57,142 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1948724824]
[2024-12-02 06:55:57,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1948724824] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:55:57,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1917313707]
[2024-12-02 06:55:57,143 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:57,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:57,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:55:57,145 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:55:57,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 06:55:57,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:57,195 INFO L256 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 06:55:57,195 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:55:57,214 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:55:57,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1917313707] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:55:57,231 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:55:57,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-12-02 06:55:57,232 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [365277054]
[2024-12-02 06:55:57,232 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:55:57,235 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-12-02 06:55:57,236 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 06:55:57,256 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:55:57,256 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:55:57,258 INFO L87 Difference]: Start difference. First operand has 127 states, 126 states have (on average 1.373015873015873) internal successors, (173), 126 states have internal predecessors, (173), 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 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 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 06:55:57,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:55:57,309 INFO L93 Difference]: Finished difference Result 232 states and 306 transitions.
[2024-12-02 06:55:57,310 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 232 states and 306 transitions.
[2024-12-02 06:55:57,315 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 148
[2024-12-02 06:55:57,320 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 232 states to 212 states and 285 transitions.
[2024-12-02 06:55:57,321 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 212
[2024-12-02 06:55:57,322 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 212
[2024-12-02 06:55:57,322 INFO L73 IsDeterministic]: Start isDeterministic. Operand 212 states and 285 transitions.
[2024-12-02 06:55:57,323 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 06:55:57,323 INFO L218 hiAutomatonCegarLoop]: Abstraction has 212 states and 285 transitions.
[2024-12-02 06:55:57,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states and 285 transitions.
[2024-12-02 06:55:57,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 209.
[2024-12-02 06:55:57,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 209 states have (on average 1.3444976076555024) internal successors, (281), 208 states have internal predecessors, (281), 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 06:55:57,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 281 transitions.
[2024-12-02 06:55:57,348 INFO L240 hiAutomatonCegarLoop]: Abstraction has 209 states and 281 transitions.
[2024-12-02 06:55:57,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 06:55:57,352 INFO L425 stractBuchiCegarLoop]: Abstraction has 209 states and 281 transitions.
[2024-12-02 06:55:57,352 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-12-02 06:55:57,352 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 209 states and 281 transitions.
[2024-12-02 06:55:57,355 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 145
[2024-12-02 06:55:57,355 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 06:55:57,355 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 06:55:57,356 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:57,356 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]
[2024-12-02 06:55:57,356 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;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 06:55:57,356 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet7#1;test_~tmp___1~0#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_#t~ret23#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification2_spec__2_#t~ret22#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret22#1;havoc __utac_acc__Specification2_spec__2_#t~ret22#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_#t~ret23#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 06:55:57,357 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:57,357 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times
[2024-12-02 06:55:57,357 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:55:57,357 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398875397]
[2024-12-02 06:55:57,357 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:57,357 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:55:57,368 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:55:57,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:55:57,380 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 06:55:57,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:57,381 INFO L85 PathProgramCache]: Analyzing trace with hash -2070724703, now seen corresponding path program 1 times
[2024-12-02 06:55:57,381 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:55:57,381 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251682794]
[2024-12-02 06:55:57,381 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:57,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:57,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:57,407 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 06:55:57,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251682794]
[2024-12-02 06:55:57,407 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251682794] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:55:57,407 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1154684588]
[2024-12-02 06:55:57,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:57,407 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:55:57,407 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:55:57,409 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:55:57,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 06:55:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:55:57,447 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 06:55:57,448 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:55:57,454 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:55:57,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1154684588] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:55:57,461 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:55:57,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-12-02 06:55:57,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818280505]
[2024-12-02 06:55:57,461 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:55:57,461 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-12-02 06:55:57,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 06:55:57,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:55:57,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:55:57,462 INFO L87 Difference]: Start difference. First operand 209 states and 281 transitions. cyclomatic complexity: 75 Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 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 06:55:57,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:55:57,533 INFO L93 Difference]: Finished difference Result 323 states and 424 transitions.
[2024-12-02 06:55:57,533 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 323 states and 424 transitions.
[2024-12-02 06:55:57,537 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 231
[2024-12-02 06:55:57,539 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 323 states to 323 states and 424 transitions.
[2024-12-02 06:55:57,539 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 323
[2024-12-02 06:55:57,540 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 323
[2024-12-02 06:55:57,540 INFO L73 IsDeterministic]: Start isDeterministic. Operand 323 states and 424 transitions.
[2024-12-02 06:55:57,541 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 06:55:57,541 INFO L218 hiAutomatonCegarLoop]: Abstraction has 323 states and 424 transitions.
[2024-12-02 06:55:57,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 323 states and 424 transitions.
[2024-12-02 06:55:57,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 323 to 323.
[2024-12-02 06:55:57,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 323 states have (on average 1.3126934984520124) internal successors, (424), 322 states have internal predecessors, (424), 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 06:55:57,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 424 transitions.
[2024-12-02 06:55:57,555 INFO L240 hiAutomatonCegarLoop]: Abstraction has 323 states and 424 transitions.
[2024-12-02 06:55:57,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 06:55:57,556 INFO L425 stractBuchiCegarLoop]: Abstraction has 323 states and 424 transitions.
[2024-12-02 06:55:57,557 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2024-12-02 06:55:57,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 323 states and 424 transitions.
[2024-12-02 06:55:57,559 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 231
[2024-12-02 06:55:57,559 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 06:55:57,559 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 06:55:57,560 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:55:57,560 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]
[2024-12-02 06:55:57,560 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;~cleanupTimeShifts~0 := 4;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~5#1, main_~tmp~4#1;havoc main_~retValue_acc~5#1;havoc main_~tmp~4#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~4#1;havoc valid_product_~retValue_acc~4#1;valid_product_~retValue_acc~4#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~4#1;" "main_#t~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~4#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret21#1;havoc main_#t~ret21#1;" "assume 0 != main_~tmp~4#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 06:55:57,560 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;havoc processEnvironment_~tmp~1#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret19#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1;" "isHighWaterLevel_#t~ret19#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret19#1;havoc isHighWaterLevel_#t~ret19#1;" "assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1;" "processEnvironment_#t~ret8#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret19#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~1#1 := processEnvironment_#t~ret8#1;havoc processEnvironment_#t~ret8#1;" "assume !(0 != processEnvironment_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret8#1, processEnvironment_~tmp~1#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_#t~ret23#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification2_spec__2_#t~ret22#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret22#1;havoc __utac_acc__Specification2_spec__2_#t~ret22#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_#t~ret23#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 06:55:57,561 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:57,561 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times
[2024-12-02 06:55:57,561 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:55:57,561 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828712187]
[2024-12-02 06:55:57,561 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:57,561 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:57,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:55:57,572 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:55:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:55:57,582 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 06:55:57,582 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:57,582 INFO L85 PathProgramCache]: Analyzing trace with hash 46269847, now seen corresponding path program 1 times
[2024-12-02 06:55:57,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:55:57,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2045529805]
[2024-12-02 06:55:57,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:57,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:57,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:55:57,593 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:55:57,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:55:57,604 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 06:55:57,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:55:57,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1315719886, now seen corresponding path program 1 times
[2024-12-02 06:55:57,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:55:57,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1247947495]
[2024-12-02 06:55:57,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:55:57,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:55:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:55:57,618 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:55:57,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:55:57,633 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 06:55:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:55:58,585 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:55:58,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:55:58,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 06:55:58 BoogieIcfgContainer
[2024-12-02 06:55:58,635 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-12-02 06:55:58,635 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 06:55:58,635 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 06:55:58,636 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 06:55:58,636 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:55:56" (3/4) ...
[2024-12-02 06:55:58,638 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample
[2024-12-02 06:55:58,679 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 06:55:58,679 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 06:55:58,680 INFO L158 Benchmark]: Toolchain (without parser) took 2766.75ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 82.1MB in the end (delta: 33.7MB). Peak memory consumption was 33.2MB. Max. memory is 16.1GB.
[2024-12-02 06:55:58,680 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:55:58,681 INFO L158 Benchmark]: CACSL2BoogieTranslator took 383.19ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 97.2MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 06:55:58,681 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.11ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 94.8MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 06:55:58,681 INFO L158 Benchmark]: Boogie Preprocessor took 43.76ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 92.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:55:58,682 INFO L158 Benchmark]: RCFGBuilder took 451.47ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 71.0MB in the end (delta: 21.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 06:55:58,682 INFO L158 Benchmark]: BuchiAutomizer took 1795.64ms. Allocated memory is still 142.6MB. Free memory was 70.7MB in the beginning and 85.2MB in the end (delta: -14.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:55:58,682 INFO L158 Benchmark]: Witness Printer took 43.87ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 82.1MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:55:58,684 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 383.19ms. Allocated memory is still 142.6MB. Free memory was 115.8MB in the beginning and 97.2MB in the end (delta: 18.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 44.11ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 94.8MB in the end (delta: 2.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 43.76ms. Allocated memory is still 142.6MB. Free memory was 94.8MB in the beginning and 92.4MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 451.47ms. Allocated memory is still 142.6MB. Free memory was 92.4MB in the beginning and 71.0MB in the end (delta: 21.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* BuchiAutomizer took 1795.64ms. Allocated memory is still 142.6MB. Free memory was 70.7MB in the beginning and 85.2MB in the end (delta: -14.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 43.87ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 82.1MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResultAtLocation [Line: 49]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49]
- GenericResultAtLocation [Line: 58]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58]
- GenericResultAtLocation [Line: 133]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [133]
- GenericResultAtLocation [Line: 335]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [335]
- GenericResultAtLocation [Line: 373]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [373]
- GenericResultAtLocation [Line: 471]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [471]
- GenericResultAtLocation [Line: 510]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [510]
- GenericResultAtLocation [Line: 605]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [605]
* 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 3 locations. The remainder module has 323 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 3 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, 271 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 271 mSDsluCounter, 528 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 221 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 32 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 307 mSDtfsCounter, 32 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 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: 77]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L142] int pumpRunning = 0;
[L143] int systemActive = 1;
[L374] int cleanupTimeShifts = 4;
[L472] int methAndRunningLastTime ;
[L512] int waterLevel = 1;
[L513] int methaneLevelCritical = 0;
[L775] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L449] int retValue_acc ;
[L450] int tmp ;
[L454] FCALL select_helpers()
[L455] FCALL select_features()
[L456] CALL, EXPR valid_product()
[L365] int retValue_acc ;
[L368] retValue_acc = 1
[L369] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L456] RET, EXPR valid_product()
[L456] tmp = valid_product()
[L458] COND TRUE \read(tmp)
[L460] FCALL setup()
[L461] CALL runTest()
[L442] CALL __utac_acc__Specification2_spec__1()
[L477] methAndRunningLastTime = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L442] RET __utac_acc__Specification2_spec__1()
[L443] CALL test()
[L66] int splverifierCounter ;
[L67] int tmp ;
[L68] int tmp___0 ;
[L69] int tmp___1 ;
[L70] int tmp___2 ;
[L73] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L77] COND TRUE splverifierCounter < 4
[L83] tmp = __VERIFIER_nondet_int()
[L85] COND FALSE !(\read(tmp))
[L93] tmp___0 = __VERIFIER_nondet_int()
[L95] COND FALSE !(\read(tmp___0))
[L103] tmp___2 = __VERIFIER_nondet_int()
[L105] COND TRUE \read(tmp___2)
[L107] CALL startSystem()
[L331] systemActive = 1
[L107] RET startSystem()
[L122] CALL timeShift()
[L150] COND FALSE !(\read(pumpRunning))
[L157] COND TRUE \read(systemActive)
[L159] CALL processEnvironment()
[L179] int tmp ;
[L182] COND TRUE ! pumpRunning
[L184] CALL, EXPR isHighWaterLevel()
[L294] int retValue_acc ;
[L295] int tmp ;
[L296] int tmp___0 ;
[L300] CALL, EXPR isHighWaterSensorDry()
[L592] int retValue_acc ;
[L595] COND TRUE waterLevel < 2
[L596] retValue_acc = 1
[L597] return (retValue_acc);
[L300] RET, EXPR isHighWaterSensorDry()
[L300] tmp = isHighWaterSensorDry()
[L302] COND TRUE \read(tmp)
[L303] tmp___0 = 0
[L307] retValue_acc = tmp___0
[L308] return (retValue_acc);
[L184] RET, EXPR isHighWaterLevel()
[L184] tmp = isHighWaterLevel()
[L186] COND FALSE !(\read(tmp))
[L192] FCALL processEnvironment__wrappee__base()
[L159] RET processEnvironment()
[L165] CALL __utac_acc__Specification2_spec__2()
[L482] int tmp ;
[L483] int tmp___0 ;
[L487] CALL, EXPR isMethaneLevelCritical()
[L551] int retValue_acc ;
[L554] retValue_acc = methaneLevelCritical
[L555] return (retValue_acc);
[L487] RET, EXPR isMethaneLevelCritical()
[L487] tmp = isMethaneLevelCritical()
[L489] COND FALSE !(\read(tmp))
[L505] methAndRunningLastTime = 0
[L165] RET __utac_acc__Specification2_spec__2()
[L122] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 77]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L142] int pumpRunning = 0;
[L143] int systemActive = 1;
[L374] int cleanupTimeShifts = 4;
[L472] int methAndRunningLastTime ;
[L512] int waterLevel = 1;
[L513] int methaneLevelCritical = 0;
[L775] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L449] int retValue_acc ;
[L450] int tmp ;
[L454] FCALL select_helpers()
[L455] FCALL select_features()
[L456] CALL, EXPR valid_product()
[L365] int retValue_acc ;
[L368] retValue_acc = 1
[L369] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L456] RET, EXPR valid_product()
[L456] tmp = valid_product()
[L458] COND TRUE \read(tmp)
[L460] FCALL setup()
[L461] CALL runTest()
[L442] CALL __utac_acc__Specification2_spec__1()
[L477] methAndRunningLastTime = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L442] RET __utac_acc__Specification2_spec__1()
[L443] CALL test()
[L66] int splverifierCounter ;
[L67] int tmp ;
[L68] int tmp___0 ;
[L69] int tmp___1 ;
[L70] int tmp___2 ;
[L73] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L77] COND TRUE splverifierCounter < 4
[L83] tmp = __VERIFIER_nondet_int()
[L85] COND FALSE !(\read(tmp))
[L93] tmp___0 = __VERIFIER_nondet_int()
[L95] COND FALSE !(\read(tmp___0))
[L103] tmp___2 = __VERIFIER_nondet_int()
[L105] COND TRUE \read(tmp___2)
[L107] CALL startSystem()
[L331] systemActive = 1
[L107] RET startSystem()
[L122] CALL timeShift()
[L150] COND FALSE !(\read(pumpRunning))
[L157] COND TRUE \read(systemActive)
[L159] CALL processEnvironment()
[L179] int tmp ;
[L182] COND TRUE ! pumpRunning
[L184] CALL, EXPR isHighWaterLevel()
[L294] int retValue_acc ;
[L295] int tmp ;
[L296] int tmp___0 ;
[L300] CALL, EXPR isHighWaterSensorDry()
[L592] int retValue_acc ;
[L595] COND TRUE waterLevel < 2
[L596] retValue_acc = 1
[L597] return (retValue_acc);
[L300] RET, EXPR isHighWaterSensorDry()
[L300] tmp = isHighWaterSensorDry()
[L302] COND TRUE \read(tmp)
[L303] tmp___0 = 0
[L307] retValue_acc = tmp___0
[L308] return (retValue_acc);
[L184] RET, EXPR isHighWaterLevel()
[L184] tmp = isHighWaterLevel()
[L186] COND FALSE !(\read(tmp))
[L192] FCALL processEnvironment__wrappee__base()
[L159] RET processEnvironment()
[L165] CALL __utac_acc__Specification2_spec__2()
[L482] int tmp ;
[L483] int tmp___0 ;
[L487] CALL, EXPR isMethaneLevelCritical()
[L551] int retValue_acc ;
[L554] retValue_acc = methaneLevelCritical
[L555] return (retValue_acc);
[L487] RET, EXPR isMethaneLevelCritical()
[L487] tmp = isMethaneLevelCritical()
[L489] COND FALSE !(\read(tmp))
[L505] methAndRunningLastTime = 0
[L165] RET __utac_acc__Specification2_spec__2()
[L122] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2024-12-02 06:55:58,700 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 06:55:58,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 06:55:59,096 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee6dc707-64aa-4827-bd78-68b3cf3c328e/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)