./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product20.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_e92504a8-1328-48dc-b070-5c7c8c223b2f/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/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_e92504a8-1328-48dc-b070-5c7c8c223b2f/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/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_e92504a8-1328-48dc-b070-5c7c8c223b2f/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 61c2d7b2f53adc3803e4e62ab44daa78f4a9bdf9ba37b58d516bb40a6cc23cc6
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 15:09:28,019 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 15:09:28,081 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf
[2024-12-02 15:09:28,086 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 15:09:28,086 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 15:09:28,108 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 15:09:28,109 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 15:09:28,109 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 15:09:28,109 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 15:09:28,109 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 15:09:28,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 15:09:28,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 15:09:28,110 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 15:09:28,110 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-12-02 15:09:28,110 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2024-12-02 15:09:28,110 INFO L153 SettingsManager]: * Use old map elimination=false
[2024-12-02 15:09:28,110 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2024-12-02 15:09:28,110 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2024-12-02 15:09:28,110 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2024-12-02 15:09:28,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 15:09:28,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2024-12-02 15:09:28,111 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 15:09:28,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 15:09:28,111 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 15:09:28,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 15:09:28,111 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2024-12-02 15:09:28,111 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-12-02 15:09:28,111 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2024-12-02 15:09:28,111 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 15:09:28,111 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 15:09:28,111 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 15:09:28,111 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2024-12-02 15:09:28,111 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 15:09:28,111 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 15:09:28,112 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 15:09:28,112 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 15:09:28,112 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 15:09:28,112 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM
[2024-12-02 15:09:28,112 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-12-02 15:09:28,112 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_e92504a8-1328-48dc-b070-5c7c8c223b2f/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 -> 61c2d7b2f53adc3803e4e62ab44daa78f4a9bdf9ba37b58d516bb40a6cc23cc6
[2024-12-02 15:09:28,345 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 15:09:28,354 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 15:09:28,356 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 15:09:28,358 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 15:09:28,358 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 15:09:28,359 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c
[2024-12-02 15:09:31,137 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/bin/uautomizer-verify-84ZbGMXZE1/data/cc5ee22b8/82701361b50144898c279770e1a6cbe7/FLAG5060c20ec
[2024-12-02 15:09:31,347 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 15:09:31,348 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/sv-benchmarks/c/product-lines/minepump_spec5_product20.cil.c
[2024-12-02 15:09:31,360 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/bin/uautomizer-verify-84ZbGMXZE1/data/cc5ee22b8/82701361b50144898c279770e1a6cbe7/FLAG5060c20ec
[2024-12-02 15:09:31,688 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/bin/uautomizer-verify-84ZbGMXZE1/data/cc5ee22b8/82701361b50144898c279770e1a6cbe7
[2024-12-02 15:09:31,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 15:09:31,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 15:09:31,694 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 15:09:31,694 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 15:09:31,699 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 15:09:31,700 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:09:31" (1/1) ...
[2024-12-02 15:09:31,701 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2df0facb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:31, skipping insertion in model container
[2024-12-02 15:09:31,701 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 03:09:31" (1/1) ...
[2024-12-02 15:09:31,731 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 15:09:31,990 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:09:32,003 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 15:09:32,012 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [49]
[2024-12-02 15:09:32,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415]
[2024-12-02 15:09:32,013 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [511]
[2024-12-02 15:09:32,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [562]
[2024-12-02 15:09:32,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600]
[2024-12-02 15:09:32,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609]
[2024-12-02 15:09:32,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709]
[2024-12-02 15:09:32,014 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [780]
[2024-12-02 15:09:32,071 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 15:09:32,093 INFO L204 MainTranslator]: Completed translation
[2024-12-02 15:09:32,093 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:32 WrapperNode
[2024-12-02 15:09:32,094 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 15:09:32,095 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 15:09:32,095 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 15:09:32,095 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 15:09:32,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:32" (1/1) ...
[2024-12-02 15:09:32,115 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:32" (1/1) ...
[2024-12-02 15:09:32,141 INFO L138 Inliner]: procedures = 56, calls = 100, calls flagged for inlining = 53, calls inlined = 60, statements flattened = 375
[2024-12-02 15:09:32,142 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 15:09:32,143 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 15:09:32,143 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 15:09:32,143 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 15:09:32,154 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:32" (1/1) ...
[2024-12-02 15:09:32,154 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:32" (1/1) ...
[2024-12-02 15:09:32,157 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:32" (1/1) ...
[2024-12-02 15:09:32,172 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 15:09:32,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:32" (1/1) ...
[2024-12-02 15:09:32,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:32" (1/1) ...
[2024-12-02 15:09:32,179 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:32" (1/1) ...
[2024-12-02 15:09:32,180 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:32" (1/1) ...
[2024-12-02 15:09:32,184 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:32" (1/1) ...
[2024-12-02 15:09:32,185 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:32" (1/1) ...
[2024-12-02 15:09:32,186 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:32" (1/1) ...
[2024-12-02 15:09:32,188 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 15:09:32,189 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 15:09:32,189 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 15:09:32,189 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 15:09:32,190 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:32" (1/1) ...
[2024-12-02 15:09:32,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-12-02 15:09:32,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:09:32,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-12-02 15:09:32,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-12-02 15:09:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 15:09:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 15:09:32,241 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 15:09:32,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 15:09:32,313 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 15:09:32,315 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 15:09:32,639 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live.
[2024-12-02 15:09:32,639 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 15:09:32,650 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 15:09:32,651 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-02 15:09:32,651 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:09:32 BoogieIcfgContainer
[2024-12-02 15:09:32,651 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 15:09:32,652 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-12-02 15:09:32,652 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2024-12-02 15:09:32,657 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2024-12-02 15:09:32,657 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 15:09:32,657 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 03:09:31" (1/3) ...
[2024-12-02 15:09:32,658 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72c5edcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 03:09:32, skipping insertion in model container
[2024-12-02 15:09:32,658 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 15:09:32,658 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 03:09:32" (2/3) ...
[2024-12-02 15:09:32,659 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@72c5edcb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 03:09:32, skipping insertion in model container
[2024-12-02 15:09:32,659 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 15:09:32,659 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:09:32" (3/3) ...
[2024-12-02 15:09:32,660 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product20.cil.c
[2024-12-02 15:09:32,707 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2024-12-02 15:09:32,707 INFO L301 stractBuchiCegarLoop]: Hoare is None
[2024-12-02 15:09:32,707 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-12-02 15:09:32,707 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-12-02 15:09:32,707 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-12-02 15:09:32,707 INFO L305 stractBuchiCegarLoop]: Difference is false
[2024-12-02 15:09:32,707 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-12-02 15:09:32,708 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-12-02 15:09:32,712 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.3504273504273505) internal successors, (158), 117 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:09:32,728 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75
[2024-12-02 15:09:32,729 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 15:09:32,729 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 15:09:32,734 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:09:32,734 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:09:32,735 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-12-02 15:09:32,735 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 118 states, 117 states have (on average 1.3504273504273505) internal successors, (158), 117 states have internal predecessors, (158), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:09:32,739 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 75
[2024-12-02 15:09:32,740 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 15:09:32,740 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 15:09:32,740 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:09:32,740 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:09:32,745 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1;" "main_#t~ret36#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#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__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 15:09:32,745 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#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 { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret32#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1;" "__utac_acc__Specification5_spec__2_#t~ret32#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret32#1;havoc __utac_acc__Specification5_spec__2_#t~ret32#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret32#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret33#1, __utac_acc__Specification5_spec__3_#t~ret34#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1;" "__utac_acc__Specification5_spec__3_#t~ret33#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret33#1;havoc __utac_acc__Specification5_spec__3_#t~ret33#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret33#1, __utac_acc__Specification5_spec__3_#t~ret34#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 15:09:32,751 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:09:32,751 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times
[2024-12-02 15:09:32,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 15:09:32,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733168154]
[2024-12-02 15:09:32,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:09:32,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:09:32,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:09:32,849 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 15:09:32,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:09:32,890 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 15:09:32,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:09:32,892 INFO L85 PathProgramCache]: Analyzing trace with hash 1393832983, now seen corresponding path program 1 times
[2024-12-02 15:09:32,892 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 15:09:32,892 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979065436]
[2024-12-02 15:09:32,892 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:09:32,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:09:32,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:09:32,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 15:09:32,975 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979065436]
[2024-12-02 15:09:32,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979065436] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:09:32,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789259750]
[2024-12-02 15:09:32,976 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:09:32,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:09:32,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:09:32,979 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:09:32,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 15:09:33,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:09:33,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 15:09:33,028 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:09:33,050 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 15:09:33,073 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789259750] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 15:09:33,073 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 15:09:33,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-12-02 15:09:33,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634408217]
[2024-12-02 15:09:33,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 15:09:33,078 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-12-02 15:09:33,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 15:09:33,106 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 15:09:33,106 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 15:09:33,109 INFO L87 Difference]: Start difference. First operand has 118 states, 117 states have (on average 1.3504273504273505) internal successors, (158), 117 states have internal predecessors, (158), 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 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:09:33,155 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:09:33,155 INFO L93 Difference]: Finished difference Result 214 states and 276 transitions.
[2024-12-02 15:09:33,156 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 214 states and 276 transitions.
[2024-12-02 15:09:33,161 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 136
[2024-12-02 15:09:33,167 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 214 states to 194 states and 255 transitions.
[2024-12-02 15:09:33,168 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 194
[2024-12-02 15:09:33,168 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 194
[2024-12-02 15:09:33,169 INFO L73 IsDeterministic]: Start isDeterministic. Operand 194 states and 255 transitions.
[2024-12-02 15:09:33,170 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 15:09:33,170 INFO L218 hiAutomatonCegarLoop]: Abstraction has 194 states and 255 transitions.
[2024-12-02 15:09:33,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 194 states and 255 transitions.
[2024-12-02 15:09:33,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 194 to 191.
[2024-12-02 15:09:33,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 191 states have (on average 1.3141361256544504) internal successors, (251), 190 states have internal predecessors, (251), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:09:33,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 251 transitions.
[2024-12-02 15:09:33,197 INFO L240 hiAutomatonCegarLoop]: Abstraction has 191 states and 251 transitions.
[2024-12-02 15:09:33,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 15:09:33,201 INFO L425 stractBuchiCegarLoop]: Abstraction has 191 states and 251 transitions.
[2024-12-02 15:09:33,202 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-12-02 15:09:33,202 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 191 states and 251 transitions.
[2024-12-02 15:09:33,205 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 133
[2024-12-02 15:09:33,205 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 15:09:33,205 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 15:09:33,206 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:09:33,206 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:09:33,206 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1;" "main_#t~ret36#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#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__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 15:09:33,206 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet40#1;test_~tmp___1~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret32#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1;" "__utac_acc__Specification5_spec__2_#t~ret32#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret32#1;havoc __utac_acc__Specification5_spec__2_#t~ret32#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret32#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret33#1, __utac_acc__Specification5_spec__3_#t~ret34#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1;" "__utac_acc__Specification5_spec__3_#t~ret33#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret33#1;havoc __utac_acc__Specification5_spec__3_#t~ret33#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~3#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret33#1, __utac_acc__Specification5_spec__3_#t~ret34#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 15:09:33,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:09:33,207 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times
[2024-12-02 15:09:33,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 15:09:33,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200017284]
[2024-12-02 15:09:33,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:09:33,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:09:33,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:09:33,222 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 15:09:33,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:09:33,236 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 15:09:33,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:09:33,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1857194755, now seen corresponding path program 1 times
[2024-12-02 15:09:33,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 15:09:33,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110074298]
[2024-12-02 15:09:33,237 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:09:33,237 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:09:33,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:09:33,245 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 15:09:33,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:09:33,253 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 15:09:33,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:09:33,254 INFO L85 PathProgramCache]: Analyzing trace with hash 1455817658, now seen corresponding path program 1 times
[2024-12-02 15:09:33,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 15:09:33,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1840882111]
[2024-12-02 15:09:33,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:09:33,255 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:09:33,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:09:33,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 15:09:33,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1840882111]
[2024-12-02 15:09:33,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1840882111] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 15:09:33,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1855224025]
[2024-12-02 15:09:33,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:09:33,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 15:09:33,372 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 15:09:33,374 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 15:09:33,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 15:09:33,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 15:09:33,439 INFO L256 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 15:09:33,440 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 15:09:33,509 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 15:09:33,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1855224025] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 15:09:33,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 15:09:33,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 4
[2024-12-02 15:09:33,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337787309]
[2024-12-02 15:09:33,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 15:09:33,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 15:09:33,633 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-02 15:09:33,633 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-12-02 15:09:33,634 INFO L87 Difference]: Start difference. First operand 191 states and 251 transitions. cyclomatic complexity: 63 Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:09:33,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 15:09:33,749 INFO L93 Difference]: Finished difference Result 372 states and 484 transitions.
[2024-12-02 15:09:33,749 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 372 states and 484 transitions.
[2024-12-02 15:09:33,752 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 264
[2024-12-02 15:09:33,755 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 372 states to 372 states and 484 transitions.
[2024-12-02 15:09:33,755 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 372
[2024-12-02 15:09:33,756 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 372
[2024-12-02 15:09:33,756 INFO L73 IsDeterministic]: Start isDeterministic. Operand 372 states and 484 transitions.
[2024-12-02 15:09:33,758 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 15:09:33,758 INFO L218 hiAutomatonCegarLoop]: Abstraction has 372 states and 484 transitions.
[2024-12-02 15:09:33,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 372 states and 484 transitions.
[2024-12-02 15:09:33,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 372 to 372.
[2024-12-02 15:09:33,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 372 states, 372 states have (on average 1.3010752688172043) internal successors, (484), 371 states have internal predecessors, (484), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 15:09:33,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 372 states and 484 transitions.
[2024-12-02 15:09:33,795 INFO L240 hiAutomatonCegarLoop]: Abstraction has 372 states and 484 transitions.
[2024-12-02 15:09:33,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 15:09:33,796 INFO L425 stractBuchiCegarLoop]: Abstraction has 372 states and 484 transitions.
[2024-12-02 15:09:33,796 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2024-12-02 15:09:33,796 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 372 states and 484 transitions.
[2024-12-02 15:09:33,799 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 264
[2024-12-02 15:09:33,799 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 15:09:33,799 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 15:09:33,799 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 15:09:33,799 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]
[2024-12-02 15:09:33,800 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);~head~0.base, ~head~0.offset := 0, 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~switchedOnBeforeTS~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret36#1, main_~retValue_acc~8#1, main_~tmp~4#1;havoc main_~retValue_acc~8#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~7#1;havoc valid_product_~retValue_acc~7#1;valid_product_~retValue_acc~7#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~7#1;" "main_#t~ret36#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~7#1;assume { :end_inline_valid_product } true;main_~tmp~4#1 := main_#t~ret36#1;havoc main_#t~ret36#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__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet37#1, test_#t~nondet38#1, test_#t~nondet39#1, test_#t~nondet40#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~1#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 15:09:33,800 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet37#1;test_~tmp~5#1 := test_#t~nondet37#1;havoc test_#t~nondet37#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet38#1;test_~tmp___0~1#1 := test_#t~nondet38#1;havoc test_#t~nondet38#1;" "assume !(0 != test_~tmp___0~1#1);" "havoc test_#t~nondet39#1;test_~tmp___2~0#1 := test_#t~nondet39#1;havoc test_#t~nondet39#1;" "assume !(0 != test_~tmp___2~0#1);havoc test_#t~nondet40#1;test_~tmp___1~0#1 := test_#t~nondet40#1;havoc test_#t~nondet40#1;" "assume !(0 != test_~tmp___1~0#1);" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret32#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1;" "__utac_acc__Specification5_spec__2_#t~ret32#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret32#1;havoc __utac_acc__Specification5_spec__2_#t~ret32#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret32#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;havoc processEnvironment_~tmp~6#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret41#1, processEnvironment_~tmp~6#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret33#1, __utac_acc__Specification5_spec__3_#t~ret34#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~3#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;havoc getWaterLevel_~retValue_acc~4#1;getWaterLevel_~retValue_acc~4#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~4#1;" "__utac_acc__Specification5_spec__3_#t~ret33#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~4#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~3#1 := __utac_acc__Specification5_spec__3_#t~ret33#1;havoc __utac_acc__Specification5_spec__3_#t~ret33#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~3#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;havoc isPumpRunning_~retValue_acc~10#1;isPumpRunning_~retValue_acc~10#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~10#1;" "__utac_acc__Specification5_spec__3_#t~ret34#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~10#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret34#1;havoc __utac_acc__Specification5_spec__3_#t~ret34#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret33#1, __utac_acc__Specification5_spec__3_#t~ret34#1, __utac_acc__Specification5_spec__3_~tmp~3#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 15:09:33,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:09:33,800 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times
[2024-12-02 15:09:33,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 15:09:33,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1421641248]
[2024-12-02 15:09:33,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:09:33,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:09:33,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:09:33,809 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 15:09:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:09:33,817 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 15:09:33,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:09:33,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1963240450, now seen corresponding path program 1 times
[2024-12-02 15:09:33,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 15:09:33,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559718523]
[2024-12-02 15:09:33,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:09:33,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:09:33,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:09:33,825 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 15:09:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:09:33,831 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 15:09:33,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 15:09:33,832 INFO L85 PathProgramCache]: Analyzing trace with hash -1139574027, now seen corresponding path program 1 times
[2024-12-02 15:09:33,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 15:09:33,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026397582]
[2024-12-02 15:09:33,833 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 15:09:33,833 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 15:09:33,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:09:33,845 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 15:09:33,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:09:33,857 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 15:09:34,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:09:34,805 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 15:09:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 15:09:34,859 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 03:09:34 BoogieIcfgContainer
[2024-12-02 15:09:34,859 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-12-02 15:09:34,860 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 15:09:34,860 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 15:09:34,860 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 15:09:34,861 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 03:09:32" (3/4) ...
[2024-12-02 15:09:34,863 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample
[2024-12-02 15:09:34,909 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 15:09:34,909 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 15:09:34,910 INFO L158 Benchmark]: Toolchain (without parser) took 3217.72ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 91.9MB in the beginning and 107.1MB in the end (delta: -15.2MB). Peak memory consumption was 66.5MB. Max. memory is 16.1GB.
[2024-12-02 15:09:34,910 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:09:34,911 INFO L158 Benchmark]: CACSL2BoogieTranslator took 400.46ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 73.7MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 15:09:34,911 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.37ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 71.4MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 15:09:34,911 INFO L158 Benchmark]: Boogie Preprocessor took 45.70ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 68.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:09:34,912 INFO L158 Benchmark]: RCFGBuilder took 462.14ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 49.6MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 15:09:34,912 INFO L158 Benchmark]: BuchiAutomizer took 2207.33ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 49.6MB in the beginning and 109.8MB in the end (delta: -60.1MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB.
[2024-12-02 15:09:34,913 INFO L158 Benchmark]: Witness Printer took 49.21ms. Allocated memory is still 201.3MB. Free memory was 109.8MB in the beginning and 107.1MB in the end (delta: 2.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 15:09:34,915 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.32ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 400.46ms. Allocated memory is still 117.4MB. Free memory was 91.9MB in the beginning and 73.7MB in the end (delta: 18.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 47.37ms. Allocated memory is still 117.4MB. Free memory was 73.5MB in the beginning and 71.4MB in the end (delta: 2.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 45.70ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 68.9MB in the end (delta: 2.5MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 462.14ms. Allocated memory is still 117.4MB. Free memory was 68.9MB in the beginning and 49.6MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* BuchiAutomizer took 2207.33ms. Allocated memory was 117.4MB in the beginning and 201.3MB in the end (delta: 83.9MB). Free memory was 49.6MB in the beginning and 109.8MB in the end (delta: -60.1MB). Peak memory consumption was 24.6MB. Max. memory is 16.1GB.
* Witness Printer took 49.21ms. Allocated memory is still 201.3MB. Free memory was 109.8MB in the beginning and 107.1MB in the end (delta: 2.7MB). 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,"libacc.i","") [49]
- GenericResultAtLocation [Line: 415]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [415]
- GenericResultAtLocation [Line: 511]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [511]
- GenericResultAtLocation [Line: 562]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [562]
- GenericResultAtLocation [Line: 600]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [600]
- GenericResultAtLocation [Line: 609]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [609]
- GenericResultAtLocation [Line: 709]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [709]
- GenericResultAtLocation [Line: 780]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [780]
* 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 5 locations. The remainder module has 372 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 2.1s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s 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, 234 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 234 mSDsluCounter, 731 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 470 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 85 IncrementalHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 261 mSDtfsCounter, 85 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: 724]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L423] int waterLevel = 1;
[L424] int methaneLevelCritical = 0;
[L514] int switchedOnBeforeTS ;
[L610] int cleanupTimeShifts = 4;
[L783] int pumpRunning = 0;
[L784] int systemActive = 1;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L687] int retValue_acc ;
[L688] int tmp ;
[L692] FCALL select_helpers()
[L693] FCALL select_features()
[L694] CALL, EXPR valid_product()
[L592] int retValue_acc ;
[L595] retValue_acc = 1
[L596] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L694] RET, EXPR valid_product()
[L694] tmp = valid_product()
[L696] COND TRUE \read(tmp)
[L698] FCALL setup()
[L699] CALL runTest()
[L680] CALL __utac_acc__Specification5_spec__1()
[L519] switchedOnBeforeTS = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L680] RET __utac_acc__Specification5_spec__1()
[L681] CALL test()
[L713] int splverifierCounter ;
[L714] int tmp ;
[L715] int tmp___0 ;
[L716] int tmp___1 ;
[L717] int tmp___2 ;
[L720] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
Loop:
[L724] COND TRUE splverifierCounter < 4
[L730] tmp = __VERIFIER_nondet_int()
[L732] COND FALSE !(\read(tmp))
[L740] tmp___0 = __VERIFIER_nondet_int()
[L742] COND FALSE !(\read(tmp___0))
[L750] tmp___2 = __VERIFIER_nondet_int()
[L752] COND FALSE !(\read(tmp___2))
[L758] tmp___1 = __VERIFIER_nondet_int()
[L760] COND FALSE !(\read(tmp___1))
[L769] CALL timeShift()
[L791] CALL __utac_acc__Specification5_spec__2()
[L528] CALL, EXPR isPumpRunning()
[L874] int retValue_acc ;
[L877] retValue_acc = pumpRunning
[L878] return (retValue_acc);
[L528] RET, EXPR isPumpRunning()
[L528] switchedOnBeforeTS = isPumpRunning()
[L791] RET __utac_acc__Specification5_spec__2()
[L793] COND FALSE !(\read(pumpRunning))
[L800] COND TRUE \read(systemActive)
[L802] CALL processEnvironment()
[L822] int tmp ;
[L825] COND FALSE !(\read(pumpRunning))
[L840] FCALL processEnvironment__wrappee__base()
[L802] RET processEnvironment()
[L808] CALL __utac_acc__Specification5_spec__3()
[L534] int tmp ;
[L535] int tmp___0 ;
[L539] CALL, EXPR getWaterLevel()
[L494] int retValue_acc ;
[L497] retValue_acc = waterLevel
[L498] return (retValue_acc);
[L539] RET, EXPR getWaterLevel()
[L539] tmp = getWaterLevel()
[L541] COND TRUE tmp != 2
[L543] CALL, EXPR isPumpRunning()
[L874] int retValue_acc ;
[L877] retValue_acc = pumpRunning
[L878] return (retValue_acc);
[L543] RET, EXPR isPumpRunning()
[L543] tmp___0 = isPumpRunning()
[L545] COND FALSE !(\read(tmp___0))
[L808] RET __utac_acc__Specification5_spec__3()
[L769] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 724]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L219] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L423] int waterLevel = 1;
[L424] int methaneLevelCritical = 0;
[L514] int switchedOnBeforeTS ;
[L610] int cleanupTimeShifts = 4;
[L783] int pumpRunning = 0;
[L784] int systemActive = 1;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L687] int retValue_acc ;
[L688] int tmp ;
[L692] FCALL select_helpers()
[L693] FCALL select_features()
[L694] CALL, EXPR valid_product()
[L592] int retValue_acc ;
[L595] retValue_acc = 1
[L596] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L694] RET, EXPR valid_product()
[L694] tmp = valid_product()
[L696] COND TRUE \read(tmp)
[L698] FCALL setup()
[L699] CALL runTest()
[L680] CALL __utac_acc__Specification5_spec__1()
[L519] switchedOnBeforeTS = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L680] RET __utac_acc__Specification5_spec__1()
[L681] CALL test()
[L713] int splverifierCounter ;
[L714] int tmp ;
[L715] int tmp___0 ;
[L716] int tmp___1 ;
[L717] int tmp___2 ;
[L720] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
Loop:
[L724] COND TRUE splverifierCounter < 4
[L730] tmp = __VERIFIER_nondet_int()
[L732] COND FALSE !(\read(tmp))
[L740] tmp___0 = __VERIFIER_nondet_int()
[L742] COND FALSE !(\read(tmp___0))
[L750] tmp___2 = __VERIFIER_nondet_int()
[L752] COND FALSE !(\read(tmp___2))
[L758] tmp___1 = __VERIFIER_nondet_int()
[L760] COND FALSE !(\read(tmp___1))
[L769] CALL timeShift()
[L791] CALL __utac_acc__Specification5_spec__2()
[L528] CALL, EXPR isPumpRunning()
[L874] int retValue_acc ;
[L877] retValue_acc = pumpRunning
[L878] return (retValue_acc);
[L528] RET, EXPR isPumpRunning()
[L528] switchedOnBeforeTS = isPumpRunning()
[L791] RET __utac_acc__Specification5_spec__2()
[L793] COND FALSE !(\read(pumpRunning))
[L800] COND TRUE \read(systemActive)
[L802] CALL processEnvironment()
[L822] int tmp ;
[L825] COND FALSE !(\read(pumpRunning))
[L840] FCALL processEnvironment__wrappee__base()
[L802] RET processEnvironment()
[L808] CALL __utac_acc__Specification5_spec__3()
[L534] int tmp ;
[L535] int tmp___0 ;
[L539] CALL, EXPR getWaterLevel()
[L494] int retValue_acc ;
[L497] retValue_acc = waterLevel
[L498] return (retValue_acc);
[L539] RET, EXPR getWaterLevel()
[L539] tmp = getWaterLevel()
[L541] COND TRUE tmp != 2
[L543] CALL, EXPR isPumpRunning()
[L874] int retValue_acc ;
[L877] retValue_acc = pumpRunning
[L878] return (retValue_acc);
[L543] RET, EXPR isPumpRunning()
[L543] tmp___0 = isPumpRunning()
[L545] COND FALSE !(\read(tmp___0))
[L808] RET __utac_acc__Specification5_spec__3()
[L769] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2024-12-02 15:09:34,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 15:09:35,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 15:09:35,330 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e92504a8-1328-48dc-b070-5c7c8c223b2f/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)