./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC --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 242c9b24ea8c293cca4af0028144a97f9048375edcd4379fb21e62564563d3d5
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:06:45,198 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:06:45,296 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Termination-32bit-Automizer_Default.epf
[2024-11-23 23:06:45,301 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:06:45,301 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:06:45,337 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:06:45,338 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:06:45,339 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:06:45,339 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 23:06:45,339 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 23:06:45,341 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:06:45,341 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 23:06:45,341 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 23:06:45,341 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-11-23 23:06:45,342 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2024-11-23 23:06:45,342 INFO L153 SettingsManager]: * Use old map elimination=false
[2024-11-23 23:06:45,342 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2024-11-23 23:06:45,343 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2024-11-23 23:06:45,344 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2024-11-23 23:06:45,344 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:06:45,344 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2024-11-23 23:06:45,344 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 23:06:45,344 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 23:06:45,344 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 23:06:45,344 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 23:06:45,344 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2024-11-23 23:06:45,344 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-11-23 23:06:45,344 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2024-11-23 23:06:45,344 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 23:06:45,345 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 23:06:45,345 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 23:06:45,345 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2024-11-23 23:06:45,345 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:06:45,345 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 23:06:45,345 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:06:45,345 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:06:45,345 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:06:45,345 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM
[2024-11-23 23:06:45,346 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-11-23 23:06:45,346 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_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC
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 -> 242c9b24ea8c293cca4af0028144a97f9048375edcd4379fb21e62564563d3d5
[2024-11-23 23:06:45,688 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:06:45,701 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:06:45,705 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:06:45,707 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 23:06:45,707 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 23:06:45,708 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c
[2024-11-23 23:06:48,775 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/data/702fdb209/8626eed13d794664ab9839e74a389e38/FLAG60829b6df
[2024-11-23 23:06:49,100 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 23:06:49,100 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/sv-benchmarks/c/product-lines/minepump_spec2_product51.cil.c
[2024-11-23 23:06:49,121 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/data/702fdb209/8626eed13d794664ab9839e74a389e38/FLAG60829b6df
[2024-11-23 23:06:49,366 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/data/702fdb209/8626eed13d794664ab9839e74a389e38
[2024-11-23 23:06:49,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:06:49,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:06:49,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:06:49,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:06:49,379 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:06:49,379 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:49" (1/1) ...
[2024-11-23 23:06:49,380 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a2dba92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:49, skipping insertion in model container
[2024-11-23 23:06:49,383 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:06:49" (1/1) ...
[2024-11-23 23:06:49,429 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:06:49,803 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:06:49,821 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 23:06:49,830 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49]
[2024-11-23 23:06:49,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121]
[2024-11-23 23:06:49,831 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [343]
[2024-11-23 23:06:49,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [383]
[2024-11-23 23:06:49,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [421]
[2024-11-23 23:06:49,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [525]
[2024-11-23 23:06:49,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [622]
[2024-11-23 23:06:49,832 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [631]
[2024-11-23 23:06:49,902 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:06:49,922 INFO L204 MainTranslator]: Completed translation
[2024-11-23 23:06:49,922 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:49 WrapperNode
[2024-11-23 23:06:49,922 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:06:49,924 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 23:06:49,924 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 23:06:49,924 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 23:06:49,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:49" (1/1) ...
[2024-11-23 23:06:49,942 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:49" (1/1) ...
[2024-11-23 23:06:49,973 INFO L138 Inliner]: procedures = 57, calls = 102, calls flagged for inlining = 55, calls inlined = 83, statements flattened = 570
[2024-11-23 23:06:49,973 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 23:06:49,974 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 23:06:49,974 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 23:06:49,974 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 23:06:49,983 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:49" (1/1) ...
[2024-11-23 23:06:49,984 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:49" (1/1) ...
[2024-11-23 23:06:49,986 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:49" (1/1) ...
[2024-11-23 23:06:50,001 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].
[2024-11-23 23:06:50,006 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:49" (1/1) ...
[2024-11-23 23:06:50,006 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:49" (1/1) ...
[2024-11-23 23:06:50,024 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:49" (1/1) ...
[2024-11-23 23:06:50,025 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:49" (1/1) ...
[2024-11-23 23:06:50,035 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:49" (1/1) ...
[2024-11-23 23:06:50,037 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:49" (1/1) ...
[2024-11-23 23:06:50,046 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:49" (1/1) ...
[2024-11-23 23:06:50,049 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 23:06:50,050 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 23:06:50,050 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 23:06:50,054 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 23:06:50,055 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:49" (1/1) ...
[2024-11-23 23:06:50,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-11-23 23:06:50,078 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:06:50,094 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-11-23 23:06:50,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-11-23 23:06:50,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 23:06:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 23:06:50,136 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 23:06:50,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 23:06:50,220 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 23:06:50,221 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 23:06:50,792 INFO L? ?]: Removed 130 outVars from TransFormulas that were not future-live.
[2024-11-23 23:06:50,792 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 23:06:50,807 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 23:06:50,807 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-11-23 23:06:50,807 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:50 BoogieIcfgContainer
[2024-11-23 23:06:50,807 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 23:06:50,808 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-11-23 23:06:50,808 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2024-11-23 23:06:50,815 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2024-11-23 23:06:50,816 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-23 23:06:50,817 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 11:06:49" (1/3) ...
[2024-11-23 23:06:50,818 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60d42e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:06:50, skipping insertion in model container
[2024-11-23 23:06:50,818 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-23 23:06:50,818 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:06:49" (2/3) ...
[2024-11-23 23:06:50,818 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@60d42e24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 11:06:50, skipping insertion in model container
[2024-11-23 23:06:50,818 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-11-23 23:06:50,819 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:50" (3/3) ...
[2024-11-23 23:06:50,820 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec2_product51.cil.c
[2024-11-23 23:06:50,909 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2024-11-23 23:06:50,910 INFO L301 stractBuchiCegarLoop]: Hoare is None
[2024-11-23 23:06:50,910 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-11-23 23:06:50,910 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-11-23 23:06:50,910 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-11-23 23:06:50,910 INFO L305 stractBuchiCegarLoop]: Difference is false
[2024-11-23 23:06:50,910 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-11-23 23:06:50,911 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-11-23 23:06:50,916 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 171 states, 170 states have (on average 1.3823529411764706) internal successors, (235), 170 states have internal predecessors, (235), 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)
[2024-11-23 23:06:50,953 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110
[2024-11-23 23:06:50,954 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-23 23:06:50,954 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-23 23:06:50,963 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:06:50,963 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:06:50,963 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-11-23 23:06:50,966 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 171 states, 170 states have (on average 1.3823529411764706) internal successors, (235), 170 states have internal predecessors, (235), 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)
[2024-11-23 23:06:50,980 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 110
[2024-11-23 23:06:50,980 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-23 23:06:50,983 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-23 23:06:50,984 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:06:50,984 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:06:50,990 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;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~10#1, main_~tmp~6#1;havoc main_~retValue_acc~10#1;havoc main_~tmp~6#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~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret29#1;havoc main_#t~ret29#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-11-23 23:06:50,993 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret21#1, __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification2_spec__2_#t~ret21#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret21#1;havoc __utac_acc__Specification2_spec__2_#t~ret21#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret21#1, __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;"
[2024-11-23 23:06:51,000 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:06:51,001 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times
[2024-11-23 23:06:51,013 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-23 23:06:51,014 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [5332123]
[2024-11-23 23:06:51,014 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:06:51,015 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:06:51,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:06:51,127 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:06:51,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:06:51,173 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-23 23:06:51,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:06:51,176 INFO L85 PathProgramCache]: Analyzing trace with hash 1154871328, now seen corresponding path program 1 times
[2024-11-23 23:06:51,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-23 23:06:51,177 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2100669983]
[2024-11-23 23:06:51,177 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:06:51,178 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:06:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:06:51,193 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:06:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:06:51,206 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-23 23:06:51,209 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:06:51,211 INFO L85 PathProgramCache]: Analyzing trace with hash 1011088919, now seen corresponding path program 1 times
[2024-11-23 23:06:51,211 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-23 23:06:51,211 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [748394757]
[2024-11-23 23:06:51,211 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:06:51,211 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:06:51,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:06:51,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-11-23 23:06:51,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [748394757]
[2024-11-23 23:06:51,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [748394757] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:06:51,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [213421491]
[2024-11-23 23:06:51,549 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:06:51,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:06:51,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:06:51,554 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:06:51,557 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-23 23:06:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:06:51,646 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-11-23 23:06:51,648 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:06:51,710 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:06:51,762 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [213421491] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 23:06:51,762 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 23:06:51,762 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6
[2024-11-23 23:06:51,763 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1208792035]
[2024-11-23 23:06:51,763 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:06:51,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-11-23 23:06:51,891 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-23 23:06:51,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-11-23 23:06:51,895 INFO L87 Difference]: Start difference. First operand has 171 states, 170 states have (on average 1.3823529411764706) internal successors, (235), 170 states have internal predecessors, (235), 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)
[2024-11-23 23:06:52,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:06:52,053 INFO L93 Difference]: Finished difference Result 387 states and 516 transitions.
[2024-11-23 23:06:52,054 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 387 states and 516 transitions.
[2024-11-23 23:06:52,070 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 247
[2024-11-23 23:06:52,083 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 387 states to 357 states and 486 transitions.
[2024-11-23 23:06:52,085 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 357
[2024-11-23 23:06:52,088 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 357
[2024-11-23 23:06:52,088 INFO L73 IsDeterministic]: Start isDeterministic. Operand 357 states and 486 transitions.
[2024-11-23 23:06:52,092 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-23 23:06:52,092 INFO L218 hiAutomatonCegarLoop]: Abstraction has 357 states and 486 transitions.
[2024-11-23 23:06:52,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 357 states and 486 transitions.
[2024-11-23 23:06:52,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 357 to 208.
[2024-11-23 23:06:52,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 208 states have (on average 1.3605769230769231) internal successors, (283), 207 states have internal predecessors, (283), 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)
[2024-11-23 23:06:52,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 283 transitions.
[2024-11-23 23:06:52,174 INFO L240 hiAutomatonCegarLoop]: Abstraction has 208 states and 283 transitions.
[2024-11-23 23:06:52,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-23 23:06:52,180 INFO L425 stractBuchiCegarLoop]: Abstraction has 208 states and 283 transitions.
[2024-11-23 23:06:52,182 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-11-23 23:06:52,182 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 208 states and 283 transitions.
[2024-11-23 23:06:52,184 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 144
[2024-11-23 23:06:52,184 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-23 23:06:52,184 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-23 23:06:52,185 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:06:52,185 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]
[2024-11-23 23:06:52,185 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;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~10#1, main_~tmp~6#1;havoc main_~retValue_acc~10#1;havoc main_~tmp~6#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~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret29#1;havoc main_#t~ret29#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-11-23 23:06:52,185 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret21#1, __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification2_spec__2_#t~ret21#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret21#1;havoc __utac_acc__Specification2_spec__2_#t~ret21#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret21#1, __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;"
[2024-11-23 23:06:52,188 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:06:52,188 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times
[2024-11-23 23:06:52,188 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-23 23:06:52,189 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029451966]
[2024-11-23 23:06:52,189 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:06:52,189 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:06:52,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:06:52,206 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:06:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:06:52,227 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-23 23:06:52,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:06:52,229 INFO L85 PathProgramCache]: Analyzing trace with hash 2096715874, now seen corresponding path program 1 times
[2024-11-23 23:06:52,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-23 23:06:52,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1441819441]
[2024-11-23 23:06:52,230 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:06:52,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:06:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:06:52,272 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-11-23 23:06:52,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1441819441]
[2024-11-23 23:06:52,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1441819441] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-23 23:06:52,273 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1704273910]
[2024-11-23 23:06:52,273 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:06:52,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-23 23:06:52,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:06:52,280 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-23 23:06:52,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-23 23:06:52,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:06:52,345 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-23 23:06:52,346 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-23 23:06:52,357 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-11-23 23:06:52,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1704273910] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-23 23:06:52,367 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-23 23:06:52,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-11-23 23:06:52,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319237413]
[2024-11-23 23:06:52,368 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-23 23:06:52,368 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-11-23 23:06:52,368 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-11-23 23:06:52,368 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 23:06:52,368 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 23:06:52,369 INFO L87 Difference]: Start difference. First operand 208 states and 283 transitions. cyclomatic complexity: 78 Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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)
[2024-11-23 23:06:52,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-11-23 23:06:52,487 INFO L93 Difference]: Finished difference Result 259 states and 338 transitions.
[2024-11-23 23:06:52,487 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 259 states and 338 transitions.
[2024-11-23 23:06:52,492 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 183
[2024-11-23 23:06:52,494 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 259 states to 259 states and 338 transitions.
[2024-11-23 23:06:52,497 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 259
[2024-11-23 23:06:52,498 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 259
[2024-11-23 23:06:52,498 INFO L73 IsDeterministic]: Start isDeterministic. Operand 259 states and 338 transitions.
[2024-11-23 23:06:52,499 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-11-23 23:06:52,501 INFO L218 hiAutomatonCegarLoop]: Abstraction has 259 states and 338 transitions.
[2024-11-23 23:06:52,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states and 338 transitions.
[2024-11-23 23:06:52,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 259.
[2024-11-23 23:06:52,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 259 states, 259 states have (on average 1.305019305019305) internal successors, (338), 258 states have internal predecessors, (338), 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)
[2024-11-23 23:06:52,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 259 states to 259 states and 338 transitions.
[2024-11-23 23:06:52,521 INFO L240 hiAutomatonCegarLoop]: Abstraction has 259 states and 338 transitions.
[2024-11-23 23:06:52,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 23:06:52,522 INFO L425 stractBuchiCegarLoop]: Abstraction has 259 states and 338 transitions.
[2024-11-23 23:06:52,522 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2024-11-23 23:06:52,525 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 259 states and 338 transitions.
[2024-11-23 23:06:52,527 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 183
[2024-11-23 23:06:52,527 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-11-23 23:06:52,527 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-11-23 23:06:52,528 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:06:52,528 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 23:06:52,528 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;~methAndRunningLastTime~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret29#1, main_~retValue_acc~10#1, main_~tmp~6#1;havoc main_~retValue_acc~10#1;havoc main_~tmp~6#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~ret29#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret29#1;havoc main_#t~ret29#1;" "assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification2_spec__1 } true;~methAndRunningLastTime~0 := 0;" "assume { :end_inline___utac_acc__Specification2_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-11-23 23:06:52,528 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__highWaterSensor } true;havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;havoc processEnvironment__wrappee__highWaterSensor_~tmp~1#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret19#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~3#1;havoc isHighWaterLevel_~tmp___0~1#1;assume { :begin_inline_isHighWaterSensorDry } true;havoc isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~8#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~8#1;" "isHighWaterLevel_#t~ret19#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~3#1 := isHighWaterLevel_#t~ret19#1;havoc isHighWaterLevel_#t~ret19#1;" "assume 0 != isHighWaterLevel_~tmp~3#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~2#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~2#1;" "processEnvironment__wrappee__highWaterSensor_#t~ret8#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret19#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~3#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__highWaterSensor_~tmp~1#1 := processEnvironment__wrappee__highWaterSensor_#t~ret8#1;havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1;" "assume !(0 != processEnvironment__wrappee__highWaterSensor_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__highWaterSensor_#t~ret8#1, processEnvironment__wrappee__highWaterSensor_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__highWaterSensor } true;" "havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification2_spec__2 } true;havoc __utac_acc__Specification2_spec__2_#t~ret21#1, __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;havoc __utac_acc__Specification2_spec__2_~tmp~5#1;havoc __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification2_spec__2_#t~ret21#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification2_spec__2_~tmp~5#1 := __utac_acc__Specification2_spec__2_#t~ret21#1;havoc __utac_acc__Specification2_spec__2_#t~ret21#1;" "assume !(0 != __utac_acc__Specification2_spec__2_~tmp~5#1);~methAndRunningLastTime~0 := 0;" "havoc __utac_acc__Specification2_spec__2_#t~ret21#1, __utac_acc__Specification2_spec__2_#t~ret22#1, __utac_acc__Specification2_spec__2_~tmp~5#1, __utac_acc__Specification2_spec__2_~tmp___0~3#1;assume { :end_inline___utac_acc__Specification2_spec__2 } true;" "assume { :end_inline_timeShift } true;"
[2024-11-23 23:06:52,529 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:06:52,529 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times
[2024-11-23 23:06:52,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-23 23:06:52,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [38261648]
[2024-11-23 23:06:52,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:06:52,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:06:52,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:06:52,550 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:06:52,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:06:52,563 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-23 23:06:52,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:06:52,568 INFO L85 PathProgramCache]: Analyzing trace with hash 2114174906, now seen corresponding path program 1 times
[2024-11-23 23:06:52,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-23 23:06:52,569 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [238675201]
[2024-11-23 23:06:52,569 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:06:52,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:06:52,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:06:52,592 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:06:52,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:06:52,601 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-23 23:06:52,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:06:52,602 INFO L85 PathProgramCache]: Analyzing trace with hash -1482546845, now seen corresponding path program 1 times
[2024-11-23 23:06:52,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-11-23 23:06:52,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1938272771]
[2024-11-23 23:06:52,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:06:52,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:06:52,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:06:52,618 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:06:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:06:52,634 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-11-23 23:06:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:06:53,909 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 23:06:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 23:06:53,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 11:06:53 BoogieIcfgContainer
[2024-11-23 23:06:53,989 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-11-23 23:06:53,990 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 23:06:53,990 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 23:06:53,991 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 23:06:53,991 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:06:50" (3/4) ...
[2024-11-23 23:06:53,993 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample
[2024-11-23 23:06:54,051 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 23:06:54,051 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 23:06:54,052 INFO L158 Benchmark]: Toolchain (without parser) took 4680.33ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 91.4MB in the beginning and 104.5MB in the end (delta: -13.1MB). Peak memory consumption was 50.8MB. Max. memory is 16.1GB.
[2024-11-23 23:06:54,052 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:06:54,052 INFO L158 Benchmark]: CACSL2BoogieTranslator took 549.28ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 72.5MB in the end (delta: 18.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:06:54,053 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.56ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 69.5MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:06:54,053 INFO L158 Benchmark]: Boogie Preprocessor took 75.21ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 66.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:06:54,053 INFO L158 Benchmark]: RCFGBuilder took 757.69ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 40.7MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-23 23:06:54,054 INFO L158 Benchmark]: BuchiAutomizer took 3181.36ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 40.5MB in the beginning and 107.6MB in the end (delta: -67.2MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB.
[2024-11-23 23:06:54,054 INFO L158 Benchmark]: Witness Printer took 60.91ms. Allocated memory is still 184.5MB. Free memory was 107.6MB in the beginning and 104.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:06:54,058 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.66ms. Allocated memory is still 117.4MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 549.28ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 72.5MB in the end (delta: 18.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 49.56ms. Allocated memory is still 117.4MB. Free memory was 72.3MB in the beginning and 69.5MB in the end (delta: 2.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 75.21ms. Allocated memory is still 117.4MB. Free memory was 69.5MB in the beginning and 66.7MB in the end (delta: 2.8MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 757.69ms. Allocated memory is still 117.4MB. Free memory was 66.5MB in the beginning and 40.7MB in the end (delta: 25.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* BuchiAutomizer took 3181.36ms. Allocated memory was 117.4MB in the beginning and 184.5MB in the end (delta: 67.1MB). Free memory was 40.5MB in the beginning and 107.6MB in the end (delta: -67.2MB). Peak memory consumption was 8.9MB. Max. memory is 16.1GB.
* Witness Printer took 60.91ms. Allocated memory is still 184.5MB. Free memory was 107.6MB in the beginning and 104.5MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResultAtLocation [Line: 49]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49]
- GenericResultAtLocation [Line: 121]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121]
- GenericResultAtLocation [Line: 343]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [343]
- GenericResultAtLocation [Line: 383]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [383]
- GenericResultAtLocation [Line: 421]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [421]
- GenericResultAtLocation [Line: 525]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [525]
- GenericResultAtLocation [Line: 622]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [622]
- GenericResultAtLocation [Line: 631]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [631]
* 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 259 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 3.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.4s. Construction of modules took 0.1s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 149 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, 553 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 553 mSDsluCounter, 1557 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1116 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 77 IncrementalHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 441 mSDtfsCounter, 77 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: 67]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L131] int pumpRunning = 0;
[L132] int systemActive = 1;
[L345] int methAndRunningLastTime ;
[L423] int waterLevel = 1;
[L424] int methaneLevelCritical = 0;
[L526] int cleanupTimeShifts = 4;
[L801] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L600] int retValue_acc ;
[L601] int tmp ;
[L605] FCALL select_helpers()
[L606] FCALL select_features()
[L607] CALL, EXPR valid_product()
[L413] int retValue_acc ;
[L416] retValue_acc = 1
[L417] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L607] RET, EXPR valid_product()
[L607] tmp = valid_product()
[L609] COND TRUE \read(tmp)
[L611] FCALL setup()
[L612] CALL runTest()
[L593] CALL __utac_acc__Specification2_spec__1()
[L350] methAndRunningLastTime = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L593] RET __utac_acc__Specification2_spec__1()
[L594] CALL test()
[L56] int splverifierCounter ;
[L57] int tmp ;
[L58] int tmp___0 ;
[L59] int tmp___1 ;
[L60] int tmp___2 ;
[L63] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L67] COND TRUE splverifierCounter < 4
[L73] tmp = __VERIFIER_nondet_int()
[L75] COND FALSE !(\read(tmp))
[L83] tmp___0 = __VERIFIER_nondet_int()
[L85] COND FALSE !(\read(tmp___0))
[L93] tmp___2 = __VERIFIER_nondet_int()
[L95] COND TRUE \read(tmp___2)
[L110] CALL timeShift()
[L139] COND FALSE !(\read(pumpRunning))
[L146] COND TRUE \read(systemActive)
[L148] CALL processEnvironment()
[L194] int tmp ;
[L197] COND FALSE !(\read(pumpRunning))
[L212] CALL processEnvironment__wrappee__highWaterSensor()
[L168] int tmp ;
[L171] COND TRUE ! pumpRunning
[L173] CALL, EXPR isHighWaterLevel()
[L291] int retValue_acc ;
[L292] int tmp ;
[L293] int tmp___0 ;
[L297] CALL, EXPR isHighWaterSensorDry()
[L503] int retValue_acc ;
[L506] COND TRUE waterLevel < 2
[L507] retValue_acc = 1
[L508] return (retValue_acc);
[L297] RET, EXPR isHighWaterSensorDry()
[L297] tmp = isHighWaterSensorDry()
[L299] COND TRUE \read(tmp)
[L300] tmp___0 = 0
[L304] retValue_acc = tmp___0
[L305] return (retValue_acc);
[L173] RET, EXPR isHighWaterLevel()
[L173] tmp = isHighWaterLevel()
[L175] COND FALSE !(\read(tmp))
[L181] FCALL processEnvironment__wrappee__base()
[L212] RET processEnvironment__wrappee__highWaterSensor()
[L148] RET processEnvironment()
[L154] CALL __utac_acc__Specification2_spec__2()
[L355] int tmp ;
[L356] int tmp___0 ;
[L360] CALL, EXPR isMethaneLevelCritical()
[L462] int retValue_acc ;
[L465] retValue_acc = methaneLevelCritical
[L466] return (retValue_acc);
[L360] RET, EXPR isMethaneLevelCritical()
[L360] tmp = isMethaneLevelCritical()
[L362] COND FALSE !(\read(tmp))
[L378] methAndRunningLastTime = 0
[L154] RET __utac_acc__Specification2_spec__2()
[L110] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 67]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L131] int pumpRunning = 0;
[L132] int systemActive = 1;
[L345] int methAndRunningLastTime ;
[L423] int waterLevel = 1;
[L424] int methaneLevelCritical = 0;
[L526] int cleanupTimeShifts = 4;
[L801] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L600] int retValue_acc ;
[L601] int tmp ;
[L605] FCALL select_helpers()
[L606] FCALL select_features()
[L607] CALL, EXPR valid_product()
[L413] int retValue_acc ;
[L416] retValue_acc = 1
[L417] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L607] RET, EXPR valid_product()
[L607] tmp = valid_product()
[L609] COND TRUE \read(tmp)
[L611] FCALL setup()
[L612] CALL runTest()
[L593] CALL __utac_acc__Specification2_spec__1()
[L350] methAndRunningLastTime = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L593] RET __utac_acc__Specification2_spec__1()
[L594] CALL test()
[L56] int splverifierCounter ;
[L57] int tmp ;
[L58] int tmp___0 ;
[L59] int tmp___1 ;
[L60] int tmp___2 ;
[L63] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methAndRunningLastTime=0, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L67] COND TRUE splverifierCounter < 4
[L73] tmp = __VERIFIER_nondet_int()
[L75] COND FALSE !(\read(tmp))
[L83] tmp___0 = __VERIFIER_nondet_int()
[L85] COND FALSE !(\read(tmp___0))
[L93] tmp___2 = __VERIFIER_nondet_int()
[L95] COND TRUE \read(tmp___2)
[L110] CALL timeShift()
[L139] COND FALSE !(\read(pumpRunning))
[L146] COND TRUE \read(systemActive)
[L148] CALL processEnvironment()
[L194] int tmp ;
[L197] COND FALSE !(\read(pumpRunning))
[L212] CALL processEnvironment__wrappee__highWaterSensor()
[L168] int tmp ;
[L171] COND TRUE ! pumpRunning
[L173] CALL, EXPR isHighWaterLevel()
[L291] int retValue_acc ;
[L292] int tmp ;
[L293] int tmp___0 ;
[L297] CALL, EXPR isHighWaterSensorDry()
[L503] int retValue_acc ;
[L506] COND TRUE waterLevel < 2
[L507] retValue_acc = 1
[L508] return (retValue_acc);
[L297] RET, EXPR isHighWaterSensorDry()
[L297] tmp = isHighWaterSensorDry()
[L299] COND TRUE \read(tmp)
[L300] tmp___0 = 0
[L304] retValue_acc = tmp___0
[L305] return (retValue_acc);
[L173] RET, EXPR isHighWaterLevel()
[L173] tmp = isHighWaterLevel()
[L175] COND FALSE !(\read(tmp))
[L181] FCALL processEnvironment__wrappee__base()
[L212] RET processEnvironment__wrappee__highWaterSensor()
[L148] RET processEnvironment()
[L154] CALL __utac_acc__Specification2_spec__2()
[L355] int tmp ;
[L356] int tmp___0 ;
[L360] CALL, EXPR isMethaneLevelCritical()
[L462] int retValue_acc ;
[L465] retValue_acc = methaneLevelCritical
[L466] return (retValue_acc);
[L360] RET, EXPR isMethaneLevelCritical()
[L360] tmp = isMethaneLevelCritical()
[L362] COND FALSE !(\read(tmp))
[L378] methAndRunningLastTime = 0
[L154] RET __utac_acc__Specification2_spec__2()
[L110] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2024-11-23 23:06:54,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-23 23:06:54,284 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-23 23:06:54,485 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_654ab533-3264-4825-b0f4-e0f3e936536f/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, 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)