./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product36.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_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/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_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product36.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/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_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/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 cb82edc0720115a7daf634e8ab19e02bd974ec3bbe9487e9c9b9a9d3ab6ca10d
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 13:20:53,112 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 13:20:53,166 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf
[2024-12-02 13:20:53,171 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 13:20:53,171 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 13:20:53,191 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 13:20:53,192 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 13:20:53,192 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 13:20:53,193 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 13:20:53,193 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 13:20:53,193 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 13:20:53,193 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 13:20:53,193 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 13:20:53,193 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-12-02 13:20:53,193 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2024-12-02 13:20:53,194 INFO L153 SettingsManager]: * Use old map elimination=false
[2024-12-02 13:20:53,194 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2024-12-02 13:20:53,194 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2024-12-02 13:20:53,194 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2024-12-02 13:20:53,194 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 13:20:53,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2024-12-02 13:20:53,194 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 13:20:53,194 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 13:20:53,194 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 13:20:53,194 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 13:20:53,195 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2024-12-02 13:20:53,195 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-12-02 13:20:53,195 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2024-12-02 13:20:53,195 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 13:20:53,195 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 13:20:53,195 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 13:20:53,195 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2024-12-02 13:20:53,195 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 13:20:53,195 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 13:20:53,195 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 13:20:53,196 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 13:20:53,196 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 13:20:53,196 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM
[2024-12-02 13:20:53,196 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-12-02 13:20:53,196 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_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/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 -> cb82edc0720115a7daf634e8ab19e02bd974ec3bbe9487e9c9b9a9d3ab6ca10d
[2024-12-02 13:20:53,396 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 13:20:53,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 13:20:53,405 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 13:20:53,406 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 13:20:53,406 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 13:20:53,408 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec4_product36.cil.c
[2024-12-02 13:20:56,068 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/bin/uautomizer-verify-84ZbGMXZE1/data/d8d0865b2/ab53eb082d7541a4b89505f3522d0160/FLAG453083fa4
[2024-12-02 13:20:56,315 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 13:20:56,315 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/sv-benchmarks/c/product-lines/minepump_spec4_product36.cil.c
[2024-12-02 13:20:56,327 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/bin/uautomizer-verify-84ZbGMXZE1/data/d8d0865b2/ab53eb082d7541a4b89505f3522d0160/FLAG453083fa4
[2024-12-02 13:20:56,651 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/bin/uautomizer-verify-84ZbGMXZE1/data/d8d0865b2/ab53eb082d7541a4b89505f3522d0160
[2024-12-02 13:20:56,653 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 13:20:56,654 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 13:20:56,655 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 13:20:56,655 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 13:20:56,659 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 13:20:56,660 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:20:56" (1/1) ...
[2024-12-02 13:20:56,661 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@45cef56f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:56, skipping insertion in model container
[2024-12-02 13:20:56,661 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 01:20:56" (1/1) ...
[2024-12-02 13:20:56,685 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 13:20:56,905 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:20:56,916 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 13:20:56,923 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49]
[2024-12-02 13:20:56,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124]
[2024-12-02 13:20:56,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [308]
[2024-12-02 13:20:56,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [407]
[2024-12-02 13:20:56,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [442]
[2024-12-02 13:20:56,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [451]
[2024-12-02 13:20:56,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [817]
[2024-12-02 13:20:56,925 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [912]
[2024-12-02 13:20:56,970 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 13:20:56,986 INFO L204 MainTranslator]: Completed translation
[2024-12-02 13:20:56,987 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:56 WrapperNode
[2024-12-02 13:20:56,987 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 13:20:56,988 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 13:20:56,988 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 13:20:56,988 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 13:20:56,994 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:56" (1/1) ...
[2024-12-02 13:20:57,004 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:56" (1/1) ...
[2024-12-02 13:20:57,025 INFO L138 Inliner]: procedures = 54, calls = 97, calls flagged for inlining = 50, calls inlined = 53, statements flattened = 347
[2024-12-02 13:20:57,025 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 13:20:57,026 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 13:20:57,026 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 13:20:57,026 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 13:20:57,035 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:56" (1/1) ...
[2024-12-02 13:20:57,035 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:56" (1/1) ...
[2024-12-02 13:20:57,037 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:56" (1/1) ...
[2024-12-02 13:20:57,050 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 13:20:57,050 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:56" (1/1) ...
[2024-12-02 13:20:57,050 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:56" (1/1) ...
[2024-12-02 13:20:57,056 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:56" (1/1) ...
[2024-12-02 13:20:57,057 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:56" (1/1) ...
[2024-12-02 13:20:57,061 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:56" (1/1) ...
[2024-12-02 13:20:57,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:56" (1/1) ...
[2024-12-02 13:20:57,063 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:56" (1/1) ...
[2024-12-02 13:20:57,066 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 13:20:57,066 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 13:20:57,067 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 13:20:57,067 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 13:20:57,067 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:56" (1/1) ...
[2024-12-02 13:20:57,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-12-02 13:20:57,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:20:57,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-12-02 13:20:57,098 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-12-02 13:20:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 13:20:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 13:20:57,123 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 13:20:57,123 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 13:20:57,177 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 13:20:57,179 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 13:20:57,444 INFO L? ?]: Removed 73 outVars from TransFormulas that were not future-live.
[2024-12-02 13:20:57,444 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 13:20:57,454 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 13:20:57,454 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-02 13:20:57,455 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:20:57 BoogieIcfgContainer
[2024-12-02 13:20:57,455 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 13:20:57,456 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-12-02 13:20:57,456 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2024-12-02 13:20:57,460 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2024-12-02 13:20:57,460 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 13:20:57,460 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 01:20:56" (1/3) ...
[2024-12-02 13:20:57,461 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@133a2073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 01:20:57, skipping insertion in model container
[2024-12-02 13:20:57,462 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 13:20:57,462 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 01:20:56" (2/3) ...
[2024-12-02 13:20:57,462 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@133a2073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 01:20:57, skipping insertion in model container
[2024-12-02 13:20:57,462 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 13:20:57,462 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:20:57" (3/3) ...
[2024-12-02 13:20:57,463 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec4_product36.cil.c
[2024-12-02 13:20:57,501 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2024-12-02 13:20:57,501 INFO L301 stractBuchiCegarLoop]: Hoare is None
[2024-12-02 13:20:57,501 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-12-02 13:20:57,501 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-12-02 13:20:57,501 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-12-02 13:20:57,501 INFO L305 stractBuchiCegarLoop]: Difference is false
[2024-12-02 13:20:57,502 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-12-02 13:20:57,502 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-12-02 13:20:57,506 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 111 states, 110 states have (on average 1.3727272727272728) internal successors, (151), 110 states have internal predecessors, (151), 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 13:20:57,521 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71
[2024-12-02 13:20:57,522 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 13:20:57,522 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 13:20:57,526 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:20:57,526 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 13:20:57,526 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-12-02 13:20:57,526 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 111 states, 110 states have (on average 1.3727272727272728) internal successors, (151), 110 states have internal predecessors, (151), 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 13:20:57,531 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 71
[2024-12-02 13:20:57,531 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 13:20:57,531 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 13:20:57,532 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:20:57,532 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 13:20:57,536 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;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret19#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret19#1;havoc main_#t~ret19#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } 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 13:20:57,536 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___utac_acc__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1;" "__utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 13:20:57,540 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:20:57,540 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times
[2024-12-02 13:20:57,545 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 13:20:57,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1790603774]
[2024-12-02 13:20:57,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:20:57,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:20:57,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:20:57,618 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:20:57,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:20:57,649 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 13:20:57,651 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:20:57,651 INFO L85 PathProgramCache]: Analyzing trace with hash 1503892317, now seen corresponding path program 1 times
[2024-12-02 13:20:57,651 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 13:20:57,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134993582]
[2024-12-02 13:20:57,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:20:57,652 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:20:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:20:57,660 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:20:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:20:57,669 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 13:20:57,670 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:20:57,670 INFO L85 PathProgramCache]: Analyzing trace with hash -1435655903, now seen corresponding path program 1 times
[2024-12-02 13:20:57,670 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 13:20:57,670 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353800340]
[2024-12-02 13:20:57,670 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:20:57,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:20:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:20:57,850 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 13:20:57,850 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [353800340]
[2024-12-02 13:20:57,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [353800340] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:20:57,851 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508856201]
[2024-12-02 13:20:57,851 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:20:57,851 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:20:57,851 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:20:57,853 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:20:57,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 13:20:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:20:57,915 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 13:20:57,917 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:20:57,967 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:20:58,005 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508856201] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:20:58,005 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 13:20:58,006 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6
[2024-12-02 13:20:58,006 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1876567139]
[2024-12-02 13:20:58,006 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:20:58,072 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 13:20:58,096 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 13:20:58,097 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-12-02 13:20:58,099 INFO L87 Difference]: Start difference. First operand has 111 states, 110 states have (on average 1.3727272727272728) internal successors, (151), 110 states have internal predecessors, (151), 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 5.857142857142857) internal successors, (41), 6 states have internal predecessors, (41), 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 13:20:58,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:20:58,197 INFO L93 Difference]: Finished difference Result 264 states and 342 transitions.
[2024-12-02 13:20:58,198 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 264 states and 342 transitions.
[2024-12-02 13:20:58,203 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 169
[2024-12-02 13:20:58,210 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 264 states to 234 states and 312 transitions.
[2024-12-02 13:20:58,211 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 234
[2024-12-02 13:20:58,211 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 234
[2024-12-02 13:20:58,212 INFO L73 IsDeterministic]: Start isDeterministic. Operand 234 states and 312 transitions.
[2024-12-02 13:20:58,213 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 13:20:58,213 INFO L218 hiAutomatonCegarLoop]: Abstraction has 234 states and 312 transitions.
[2024-12-02 13:20:58,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states and 312 transitions.
[2024-12-02 13:20:58,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 145.
[2024-12-02 13:20:58,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 145 states have (on average 1.3310344827586207) internal successors, (193), 144 states have internal predecessors, (193), 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 13:20:58,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 193 transitions.
[2024-12-02 13:20:58,239 INFO L240 hiAutomatonCegarLoop]: Abstraction has 145 states and 193 transitions.
[2024-12-02 13:20:58,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-12-02 13:20:58,242 INFO L425 stractBuchiCegarLoop]: Abstraction has 145 states and 193 transitions.
[2024-12-02 13:20:58,242 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-12-02 13:20:58,242 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 145 states and 193 transitions.
[2024-12-02 13:20:58,244 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 103
[2024-12-02 13:20:58,244 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 13:20:58,244 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 13:20:58,245 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:20:58,245 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 13:20:58,245 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;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret19#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret19#1;havoc main_#t~ret19#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } 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 13:20:58,245 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__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1;" "__utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 13:20:58,245 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:20:58,245 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times
[2024-12-02 13:20:58,245 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 13:20:58,245 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110074298]
[2024-12-02 13:20:58,245 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:20:58,246 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:20:58,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:20:58,254 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:20:58,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:20:58,263 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 13:20:58,264 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:20:58,264 INFO L85 PathProgramCache]: Analyzing trace with hash -1320493927, now seen corresponding path program 1 times
[2024-12-02 13:20:58,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 13:20:58,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840882111]
[2024-12-02 13:20:58,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:20:58,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:20:58,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:20:58,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 13:20:58,284 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840882111]
[2024-12-02 13:20:58,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840882111] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 13:20:58,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1588323899]
[2024-12-02 13:20:58,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:20:58,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 13:20:58,285 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 13:20:58,287 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 13:20:58,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 13:20:58,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 13:20:58,320 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 13:20:58,321 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 13:20:58,326 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 13:20:58,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1588323899] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 13:20:58,332 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 13:20:58,332 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-12-02 13:20:58,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [925505841]
[2024-12-02 13:20:58,332 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 13:20:58,332 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-12-02 13:20:58,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 13:20:58,333 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 13:20:58,333 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 13:20:58,333 INFO L87 Difference]: Start difference. First operand 145 states and 193 transitions. cyclomatic complexity: 51 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 13:20:58,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 13:20:58,378 INFO L93 Difference]: Finished difference Result 191 states and 243 transitions.
[2024-12-02 13:20:58,378 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 191 states and 243 transitions.
[2024-12-02 13:20:58,380 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 139
[2024-12-02 13:20:58,382 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 191 states to 191 states and 243 transitions.
[2024-12-02 13:20:58,382 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 191
[2024-12-02 13:20:58,382 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 191
[2024-12-02 13:20:58,382 INFO L73 IsDeterministic]: Start isDeterministic. Operand 191 states and 243 transitions.
[2024-12-02 13:20:58,383 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 13:20:58,383 INFO L218 hiAutomatonCegarLoop]: Abstraction has 191 states and 243 transitions.
[2024-12-02 13:20:58,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 191 states and 243 transitions.
[2024-12-02 13:20:58,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 191 to 191.
[2024-12-02 13:20:58,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 191 states have (on average 1.2722513089005236) internal successors, (243), 190 states have internal predecessors, (243), 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 13:20:58,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 243 transitions.
[2024-12-02 13:20:58,391 INFO L240 hiAutomatonCegarLoop]: Abstraction has 191 states and 243 transitions.
[2024-12-02 13:20:58,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 13:20:58,392 INFO L425 stractBuchiCegarLoop]: Abstraction has 191 states and 243 transitions.
[2024-12-02 13:20:58,392 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2024-12-02 13:20:58,392 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 191 states and 243 transitions.
[2024-12-02 13:20:58,393 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 139
[2024-12-02 13:20:58,393 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 13:20:58,393 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 13:20:58,394 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 13:20:58,394 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 13:20:58,394 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;~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret19#1, main_~retValue_acc~3#1, main_~tmp~3#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~3#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~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1;" "main_#t~ret19#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~3#1 := main_#t~ret19#1;havoc main_#t~ret19#1;" "assume 0 != main_~tmp~3#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } 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 13:20:58,394 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_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret18#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~2#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~11#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~11#1;" "isHighWaterLevel_#t~ret18#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~11#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~2#1 := isHighWaterLevel_#t~ret18#1;havoc isHighWaterLevel_#t~ret18#1;" "assume 0 != isHighWaterLevel_~tmp~2#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~ret18#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~2#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__Specification4_spec__1 } true;havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification4_spec__1_~tmp~7#1;havoc __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;havoc getWaterLevel_~retValue_acc~10#1;getWaterLevel_~retValue_acc~10#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~10#1;" "__utac_acc__Specification4_spec__1_#t~ret49#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~10#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification4_spec__1_~tmp~7#1 := __utac_acc__Specification4_spec__1_#t~ret49#1;havoc __utac_acc__Specification4_spec__1_#t~ret49#1;" "assume !(0 == __utac_acc__Specification4_spec__1_~tmp~7#1);" "havoc __utac_acc__Specification4_spec__1_#t~ret49#1, __utac_acc__Specification4_spec__1_#t~ret50#1, __utac_acc__Specification4_spec__1_~tmp~7#1, __utac_acc__Specification4_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification4_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 13:20:58,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:20:58,394 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times
[2024-12-02 13:20:58,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 13:20:58,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917613521]
[2024-12-02 13:20:58,395 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:20:58,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:20:58,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:20:58,402 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:20:58,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:20:58,409 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 13:20:58,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:20:58,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1373824895, now seen corresponding path program 1 times
[2024-12-02 13:20:58,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 13:20:58,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1278147651]
[2024-12-02 13:20:58,410 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:20:58,410 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:20:58,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:20:58,417 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:20:58,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:20:58,425 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 13:20:58,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 13:20:58,425 INFO L85 PathProgramCache]: Analyzing trace with hash 1670137661, now seen corresponding path program 1 times
[2024-12-02 13:20:58,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 13:20:58,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [285105905]
[2024-12-02 13:20:58,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 13:20:58,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 13:20:58,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:20:58,437 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:20:58,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:20:58,447 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 13:20:59,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:20:59,316 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 13:20:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 13:20:59,359 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 01:20:59 BoogieIcfgContainer
[2024-12-02 13:20:59,359 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-12-02 13:20:59,360 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 13:20:59,360 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 13:20:59,360 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 13:20:59,360 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 01:20:57" (3/4) ...
[2024-12-02 13:20:59,362 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample
[2024-12-02 13:20:59,400 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 13:20:59,400 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 13:20:59,401 INFO L158 Benchmark]: Toolchain (without parser) took 2746.55ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 95.4MB in the end (delta: 21.5MB). Peak memory consumption was 23.8MB. Max. memory is 16.1GB.
[2024-12-02 13:20:59,401 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:20:59,401 INFO L158 Benchmark]: CACSL2BoogieTranslator took 332.02ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 98.8MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 13:20:59,402 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.68ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 96.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:20:59,402 INFO L158 Benchmark]: Boogie Preprocessor took 39.81ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 94.2MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 13:20:59,402 INFO L158 Benchmark]: RCFGBuilder took 388.43ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 75.0MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 13:20:59,402 INFO L158 Benchmark]: BuchiAutomizer took 1903.49ms. Allocated memory is still 142.6MB. Free memory was 75.0MB in the beginning and 97.8MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 13:20:59,403 INFO L158 Benchmark]: Witness Printer took 40.30ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 95.4MB in the end (delta: 2.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 13:20:59,404 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 81.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 332.02ms. Allocated memory is still 142.6MB. Free memory was 116.9MB in the beginning and 98.8MB in the end (delta: 18.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 37.68ms. Allocated memory is still 142.6MB. Free memory was 98.8MB in the beginning and 96.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 39.81ms. Allocated memory is still 142.6MB. Free memory was 96.4MB in the beginning and 94.2MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 388.43ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 75.0MB in the end (delta: 19.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* BuchiAutomizer took 1903.49ms. Allocated memory is still 142.6MB. Free memory was 75.0MB in the beginning and 97.8MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 40.30ms. Allocated memory is still 142.6MB. Free memory was 97.8MB in the beginning and 95.4MB in the end (delta: 2.4MB). 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,"scenario.i","") [49]
- GenericResultAtLocation [Line: 124]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [124]
- GenericResultAtLocation [Line: 308]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [308]
- GenericResultAtLocation [Line: 407]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [407]
- GenericResultAtLocation [Line: 442]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [442]
- GenericResultAtLocation [Line: 451]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [451]
- GenericResultAtLocation [Line: 817]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [817]
- GenericResultAtLocation [Line: 912]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [912]
* 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 191 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.5s. 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, 89 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, 568 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 568 mSDsluCounter, 784 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 512 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 60 IncrementalHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 272 mSDtfsCounter, 60 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: 68]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L133] int pumpRunning = 0;
[L134] int systemActive = 1;
[L309] int cleanupTimeShifts = 4;
[L621] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L819] int waterLevel = 1;
[L820] int methaneLevelCritical = 0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L385] int retValue_acc ;
[L386] int tmp ;
[L390] FCALL select_helpers()
[L391] FCALL select_features()
[L392] CALL, EXPR valid_product()
[L434] int retValue_acc ;
[L437] retValue_acc = 1
[L438] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L392] RET, EXPR valid_product()
[L392] tmp = valid_product()
[L394] COND TRUE \read(tmp)
[L396] FCALL setup()
[L397] CALL runTest()
[L376] CALL test()
[L57] int splverifierCounter ;
[L58] int tmp ;
[L59] int tmp___0 ;
[L60] int tmp___1 ;
[L61] int tmp___2 ;
[L64] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L68] COND TRUE splverifierCounter < 4
[L74] tmp = __VERIFIER_nondet_int()
[L76] COND FALSE !(\read(tmp))
[L84] tmp___0 = __VERIFIER_nondet_int()
[L86] COND FALSE !(\read(tmp___0))
[L94] tmp___2 = __VERIFIER_nondet_int()
[L96] COND FALSE !(\read(tmp___2))
[L102] tmp___1 = __VERIFIER_nondet_int()
[L104] COND FALSE !(\read(tmp___1))
[L113] CALL timeShift()
[L141] COND FALSE !(\read(pumpRunning))
[L148] COND TRUE \read(systemActive)
[L150] CALL processEnvironment()
[L170] int tmp ;
[L173] COND TRUE ! pumpRunning
[L175] CALL, EXPR isHighWaterLevel()
[L267] int retValue_acc ;
[L268] int tmp ;
[L269] int tmp___0 ;
[L273] CALL, EXPR isHighWaterSensorDry()
[L899] int retValue_acc ;
[L902] COND TRUE waterLevel < 2
[L903] retValue_acc = 1
[L904] return (retValue_acc);
[L273] RET, EXPR isHighWaterSensorDry()
[L273] tmp = isHighWaterSensorDry()
[L275] COND TRUE \read(tmp)
[L276] tmp___0 = 0
[L280] retValue_acc = tmp___0
[L281] return (retValue_acc);
[L175] RET, EXPR isHighWaterLevel()
[L175] tmp = isHighWaterLevel()
[L177] COND FALSE !(\read(tmp))
[L183] FCALL processEnvironment__wrappee__base()
[L150] RET processEnvironment()
[L156] CALL __utac_acc__Specification4_spec__1()
[L914] int tmp ;
[L915] int tmp___0 ;
[L919] CALL, EXPR getWaterLevel()
[L890] int retValue_acc ;
[L893] retValue_acc = waterLevel
[L894] return (retValue_acc);
[L919] RET, EXPR getWaterLevel()
[L919] tmp = getWaterLevel()
[L921] COND FALSE !(tmp == 0)
[L156] RET __utac_acc__Specification4_spec__1()
[L113] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 68]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L133] int pumpRunning = 0;
[L134] int systemActive = 1;
[L309] int cleanupTimeShifts = 4;
[L621] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L819] int waterLevel = 1;
[L820] int methaneLevelCritical = 0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L385] int retValue_acc ;
[L386] int tmp ;
[L390] FCALL select_helpers()
[L391] FCALL select_features()
[L392] CALL, EXPR valid_product()
[L434] int retValue_acc ;
[L437] retValue_acc = 1
[L438] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L392] RET, EXPR valid_product()
[L392] tmp = valid_product()
[L394] COND TRUE \read(tmp)
[L396] FCALL setup()
[L397] CALL runTest()
[L376] CALL test()
[L57] int splverifierCounter ;
[L58] int tmp ;
[L59] int tmp___0 ;
[L60] int tmp___1 ;
[L61] int tmp___2 ;
[L64] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L68] COND TRUE splverifierCounter < 4
[L74] tmp = __VERIFIER_nondet_int()
[L76] COND FALSE !(\read(tmp))
[L84] tmp___0 = __VERIFIER_nondet_int()
[L86] COND FALSE !(\read(tmp___0))
[L94] tmp___2 = __VERIFIER_nondet_int()
[L96] COND FALSE !(\read(tmp___2))
[L102] tmp___1 = __VERIFIER_nondet_int()
[L104] COND FALSE !(\read(tmp___1))
[L113] CALL timeShift()
[L141] COND FALSE !(\read(pumpRunning))
[L148] COND TRUE \read(systemActive)
[L150] CALL processEnvironment()
[L170] int tmp ;
[L173] COND TRUE ! pumpRunning
[L175] CALL, EXPR isHighWaterLevel()
[L267] int retValue_acc ;
[L268] int tmp ;
[L269] int tmp___0 ;
[L273] CALL, EXPR isHighWaterSensorDry()
[L899] int retValue_acc ;
[L902] COND TRUE waterLevel < 2
[L903] retValue_acc = 1
[L904] return (retValue_acc);
[L273] RET, EXPR isHighWaterSensorDry()
[L273] tmp = isHighWaterSensorDry()
[L275] COND TRUE \read(tmp)
[L276] tmp___0 = 0
[L280] retValue_acc = tmp___0
[L281] return (retValue_acc);
[L175] RET, EXPR isHighWaterLevel()
[L175] tmp = isHighWaterLevel()
[L177] COND FALSE !(\read(tmp))
[L183] FCALL processEnvironment__wrappee__base()
[L150] RET processEnvironment()
[L156] CALL __utac_acc__Specification4_spec__1()
[L914] int tmp ;
[L915] int tmp___0 ;
[L919] CALL, EXPR getWaterLevel()
[L890] int retValue_acc ;
[L893] retValue_acc = waterLevel
[L894] return (retValue_acc);
[L919] RET, EXPR getWaterLevel()
[L919] tmp = getWaterLevel()
[L921] COND FALSE !(tmp == 0)
[L156] RET __utac_acc__Specification4_spec__1()
[L113] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2024-12-02 13:20:59,422 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 13:20:59,617 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 13:20:59,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_be2cccc6-e9dc-4aea-8a5f-0954d2fb3bbd/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)