./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.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_46511a5c-f382-4727-b50b-a34fe57030aa/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/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_46511a5c-f382-4727-b50b-a34fe57030aa/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/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_46511a5c-f382-4727-b50b-a34fe57030aa/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 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 06:51:22,877 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 06:51:22,935 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf
[2024-12-02 06:51:22,940 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 06:51:22,940 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 06:51:22,960 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 06:51:22,961 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 06:51:22,961 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 06:51:22,961 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 06:51:22,962 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 06:51:22,962 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 06:51:22,962 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 06:51:22,962 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 06:51:22,962 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-12-02 06:51:22,962 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2024-12-02 06:51:22,962 INFO L153 SettingsManager]: * Use old map elimination=false
[2024-12-02 06:51:22,962 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2024-12-02 06:51:22,963 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2024-12-02 06:51:22,963 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2024-12-02 06:51:22,963 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 06:51:22,963 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2024-12-02 06:51:22,963 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 06:51:22,963 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 06:51:22,963 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 06:51:22,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 06:51:22,963 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2024-12-02 06:51:22,963 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-12-02 06:51:22,963 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2024-12-02 06:51:22,963 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 06:51:22,963 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 06:51:22,964 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 06:51:22,964 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2024-12-02 06:51:22,964 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 06:51:22,964 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 06:51:22,964 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 06:51:22,964 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 06:51:22,964 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 06:51:22,964 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM
[2024-12-02 06:51:22,964 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-12-02 06:51:22,965 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_46511a5c-f382-4727-b50b-a34fe57030aa/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 -> 5780768f89256c506186805750dd5ec09f07e7c3b9baffd6ca5edbcb4a88d3de
[2024-12-02 06:51:23,216 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 06:51:23,228 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 06:51:23,230 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 06:51:23,232 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 06:51:23,232 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 06:51:23,234 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c
[2024-12-02 06:51:25,867 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/bin/uautomizer-verify-84ZbGMXZE1/data/d9e7a7986/2aa95fd410764cefb31208f4a63c3b2d/FLAG72e0c45e7
[2024-12-02 06:51:26,082 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 06:51:26,083 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/sv-benchmarks/c/product-lines/minepump_spec1_product46.cil.c
[2024-12-02 06:51:26,095 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/bin/uautomizer-verify-84ZbGMXZE1/data/d9e7a7986/2aa95fd410764cefb31208f4a63c3b2d/FLAG72e0c45e7
[2024-12-02 06:51:26,109 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/bin/uautomizer-verify-84ZbGMXZE1/data/d9e7a7986/2aa95fd410764cefb31208f4a63c3b2d
[2024-12-02 06:51:26,112 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 06:51:26,113 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 06:51:26,114 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 06:51:26,114 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 06:51:26,118 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 06:51:26,119 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:51:26" (1/1) ...
[2024-12-02 06:51:26,120 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5daf5cba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:26, skipping insertion in model container
[2024-12-02 06:51:26,120 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 06:51:26" (1/1) ...
[2024-12-02 06:51:26,148 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 06:51:26,373 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:51:26,386 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 06:51:26,394 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49]
[2024-12-02 06:51:26,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121]
[2024-12-02 06:51:26,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [333]
[2024-12-02 06:51:26,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [432]
[2024-12-02 06:51:26,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [467]
[2024-12-02 06:51:26,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [476]
[2024-12-02 06:51:26,395 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [502]
[2024-12-02 06:51:26,396 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [597]
[2024-12-02 06:51:26,457 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 06:51:26,476 INFO L204 MainTranslator]: Completed translation
[2024-12-02 06:51:26,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:26 WrapperNode
[2024-12-02 06:51:26,476 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 06:51:26,477 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 06:51:26,477 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 06:51:26,477 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 06:51:26,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:26" (1/1) ...
[2024-12-02 06:51:26,496 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:26" (1/1) ...
[2024-12-02 06:51:26,529 INFO L138 Inliner]: procedures = 55, calls = 101, calls flagged for inlining = 54, calls inlined = 99, statements flattened = 658
[2024-12-02 06:51:26,530 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 06:51:26,531 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 06:51:26,531 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 06:51:26,531 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 06:51:26,539 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:26" (1/1) ...
[2024-12-02 06:51:26,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:26" (1/1) ...
[2024-12-02 06:51:26,542 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:26" (1/1) ...
[2024-12-02 06:51:26,558 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-12-02 06:51:26,558 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:26" (1/1) ...
[2024-12-02 06:51:26,558 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:26" (1/1) ...
[2024-12-02 06:51:26,567 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:26" (1/1) ...
[2024-12-02 06:51:26,569 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:26" (1/1) ...
[2024-12-02 06:51:26,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:26" (1/1) ...
[2024-12-02 06:51:26,577 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:26" (1/1) ...
[2024-12-02 06:51:26,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:26" (1/1) ...
[2024-12-02 06:51:26,582 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 06:51:26,583 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 06:51:26,583 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 06:51:26,583 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 06:51:26,584 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:26" (1/1) ...
[2024-12-02 06:51:26,590 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-12-02 06:51:26,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:51:26,613 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-12-02 06:51:26,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-12-02 06:51:26,639 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 06:51:26,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 06:51:26,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 06:51:26,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 06:51:26,702 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 06:51:26,703 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 06:51:27,062 INFO L? ?]: Removed 157 outVars from TransFormulas that were not future-live.
[2024-12-02 06:51:27,062 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 06:51:27,074 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 06:51:27,074 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-02 06:51:27,075 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:51:27 BoogieIcfgContainer
[2024-12-02 06:51:27,075 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 06:51:27,076 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-12-02 06:51:27,076 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2024-12-02 06:51:27,081 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2024-12-02 06:51:27,081 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 06:51:27,081 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 06:51:26" (1/3) ...
[2024-12-02 06:51:27,082 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d384d3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:51:27, skipping insertion in model container
[2024-12-02 06:51:27,082 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 06:51:27,083 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 06:51:26" (2/3) ...
[2024-12-02 06:51:27,083 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d384d3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 06:51:27, skipping insertion in model container
[2024-12-02 06:51:27,083 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 06:51:27,083 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:51:27" (3/3) ...
[2024-12-02 06:51:27,084 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec1_product46.cil.c
[2024-12-02 06:51:27,132 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2024-12-02 06:51:27,132 INFO L301 stractBuchiCegarLoop]: Hoare is None
[2024-12-02 06:51:27,132 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-12-02 06:51:27,132 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-12-02 06:51:27,133 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-12-02 06:51:27,133 INFO L305 stractBuchiCegarLoop]: Difference is false
[2024-12-02 06:51:27,133 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-12-02 06:51:27,133 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-12-02 06:51:27,138 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 182 states, 181 states have (on average 1.3535911602209945) internal successors, (245), 181 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:51:27,159 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 117
[2024-12-02 06:51:27,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 06:51:27,159 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 06:51:27,165 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:51:27,165 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:51:27,165 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-12-02 06:51:27,166 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 182 states, 181 states have (on average 1.3535911602209945) internal successors, (245), 181 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:51:27,172 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 117
[2024-12-02 06:51:27,173 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 06:51:27,173 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 06:51:27,173 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:51:27,173 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:51:27,177 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#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~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1;" "assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 06:51:27,178 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification1_spec__1_#t~ret23#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret23#1;havoc __utac_acc__Specification1_spec__1_#t~ret23#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 06:51:27,181 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:51:27,182 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times
[2024-12-02 06:51:27,187 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:51:27,188 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125791646]
[2024-12-02 06:51:27,188 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:51:27,188 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:51:27,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:51:27,271 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:51:27,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:51:27,299 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 06:51:27,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:51:27,301 INFO L85 PathProgramCache]: Analyzing trace with hash -658003633, now seen corresponding path program 1 times
[2024-12-02 06:51:27,301 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:51:27,301 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628183892]
[2024-12-02 06:51:27,301 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:51:27,301 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:51:27,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:51:27,376 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 06:51:27,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628183892]
[2024-12-02 06:51:27,376 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628183892] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:51:27,376 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2041168926]
[2024-12-02 06:51:27,376 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:51:27,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:51:27,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:51:27,379 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:51:27,381 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 06:51:27,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:51:27,426 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 06:51:27,427 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:51:27,449 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:51:27,467 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2041168926] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:51:27,467 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:51:27,468 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-12-02 06:51:27,469 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004237797]
[2024-12-02 06:51:27,469 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:51:27,472 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-12-02 06:51:27,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 06:51:27,501 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:51:27,501 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:51:27,504 INFO L87 Difference]: Start difference. First operand has 182 states, 181 states have (on average 1.3535911602209945) internal successors, (245), 181 states have internal predecessors, (245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:51:27,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:51:27,545 INFO L93 Difference]: Finished difference Result 176 states and 229 transitions.
[2024-12-02 06:51:27,546 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 176 states and 229 transitions.
[2024-12-02 06:51:27,550 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 111
[2024-12-02 06:51:27,557 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 176 states to 166 states and 218 transitions.
[2024-12-02 06:51:27,558 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 166
[2024-12-02 06:51:27,558 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 166
[2024-12-02 06:51:27,559 INFO L73 IsDeterministic]: Start isDeterministic. Operand 166 states and 218 transitions.
[2024-12-02 06:51:27,560 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 06:51:27,560 INFO L218 hiAutomatonCegarLoop]: Abstraction has 166 states and 218 transitions.
[2024-12-02 06:51:27,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states and 218 transitions.
[2024-12-02 06:51:27,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 166.
[2024-12-02 06:51:27,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 166 states have (on average 1.3132530120481927) internal successors, (218), 165 states have internal predecessors, (218), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:51:27,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 218 transitions.
[2024-12-02 06:51:27,593 INFO L240 hiAutomatonCegarLoop]: Abstraction has 166 states and 218 transitions.
[2024-12-02 06:51:27,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 06:51:27,597 INFO L425 stractBuchiCegarLoop]: Abstraction has 166 states and 218 transitions.
[2024-12-02 06:51:27,597 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-12-02 06:51:27,597 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 166 states and 218 transitions.
[2024-12-02 06:51:27,599 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 111
[2024-12-02 06:51:27,599 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 06:51:27,599 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 06:51:27,600 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:51:27,600 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:51:27,600 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#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~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1;" "assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 06:51:27,600 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification1_spec__1_#t~ret23#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret23#1;havoc __utac_acc__Specification1_spec__1_#t~ret23#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 06:51:27,601 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:51:27,601 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times
[2024-12-02 06:51:27,601 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:51:27,601 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1668405929]
[2024-12-02 06:51:27,601 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:51:27,601 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:51:27,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:51:27,614 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:51:27,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:51:27,626 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 06:51:27,627 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:51:27,627 INFO L85 PathProgramCache]: Analyzing trace with hash 419865608, now seen corresponding path program 1 times
[2024-12-02 06:51:27,627 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:51:27,627 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287661845]
[2024-12-02 06:51:27,627 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:51:27,628 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:51:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:51:27,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 06:51:27,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1287661845]
[2024-12-02 06:51:27,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1287661845] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 06:51:27,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702985443]
[2024-12-02 06:51:27,656 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:51:27,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 06:51:27,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 06:51:27,658 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 06:51:27,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 06:51:27,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 06:51:27,702 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 06:51:27,703 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 06:51:27,711 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 06:51:27,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702985443] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 06:51:27,721 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 06:51:27,721 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-12-02 06:51:27,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197522272]
[2024-12-02 06:51:27,721 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 06:51:27,721 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-12-02 06:51:27,722 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 06:51:27,722 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 06:51:27,722 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 06:51:27,722 INFO L87 Difference]: Start difference. First operand 166 states and 218 transitions. cyclomatic complexity: 54 Second operand has 3 states, 3 states have (on average 7.0) internal successors, (21), 3 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:51:27,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 06:51:27,819 INFO L93 Difference]: Finished difference Result 226 states and 285 transitions.
[2024-12-02 06:51:27,819 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 226 states and 285 transitions.
[2024-12-02 06:51:27,821 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 156
[2024-12-02 06:51:27,823 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 226 states to 226 states and 285 transitions.
[2024-12-02 06:51:27,823 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 226
[2024-12-02 06:51:27,824 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 226
[2024-12-02 06:51:27,824 INFO L73 IsDeterministic]: Start isDeterministic. Operand 226 states and 285 transitions.
[2024-12-02 06:51:27,825 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 06:51:27,825 INFO L218 hiAutomatonCegarLoop]: Abstraction has 226 states and 285 transitions.
[2024-12-02 06:51:27,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states and 285 transitions.
[2024-12-02 06:51:27,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226.
[2024-12-02 06:51:27,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 226 states, 226 states have (on average 1.261061946902655) internal successors, (285), 225 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 06:51:27,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 285 transitions.
[2024-12-02 06:51:27,833 INFO L240 hiAutomatonCegarLoop]: Abstraction has 226 states and 285 transitions.
[2024-12-02 06:51:27,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 06:51:27,834 INFO L425 stractBuchiCegarLoop]: Abstraction has 226 states and 285 transitions.
[2024-12-02 06:51:27,835 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2024-12-02 06:51:27,835 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 226 states and 285 transitions.
[2024-12-02 06:51:27,836 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 156
[2024-12-02 06:51:27,836 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 06:51:27,837 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 06:51:27,837 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:51:27,837 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 06:51:27,837 INFO L747 eck$LassoCheckResult]: Stem: "assume { :begin_inline_ULTIMATE.init } true;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int#0(48, 1, 0, 1);call write~init~int#0(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(30, 4);call #Ultimate.allocInit(9, 5);call #Ultimate.allocInit(21, 6);call #Ultimate.allocInit(30, 7);call #Ultimate.allocInit(9, 8);call #Ultimate.allocInit(21, 9);call #Ultimate.allocInit(30, 10);call #Ultimate.allocInit(9, 11);call #Ultimate.allocInit(25, 12);call #Ultimate.allocInit(30, 13);call #Ultimate.allocInit(9, 14);call #Ultimate.allocInit(25, 15);~pumpRunning~0 := 0;~systemActive~0 := 1;~cleanupTimeShifts~0 := 4;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret21#1, main_~retValue_acc~3#1, main_~tmp~5#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~5#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~ret21#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;assume { :end_inline_valid_product } true;main_~tmp~5#1 := main_#t~ret21#1;havoc main_#t~ret21#1;" "assume 0 != main_~tmp~5#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet4#1, test_#t~nondet5#1, test_#t~nondet6#1, test_#t~nondet7#1, test_~splverifierCounter~0#1, test_~tmp~0#1, test_~tmp___0~0#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~0#1;havoc test_~tmp___0~0#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 06:51:27,838 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet4#1;test_~tmp~0#1 := test_#t~nondet4#1;havoc test_#t~nondet4#1;" "assume !(0 != test_~tmp~0#1);" "havoc test_#t~nondet5#1;test_~tmp___0~0#1 := test_#t~nondet5#1;havoc test_#t~nondet5#1;" "assume !(0 != test_~tmp___0~0#1);" "havoc test_#t~nondet6#1;test_~tmp___2~0#1 := test_#t~nondet6#1;havoc test_#t~nondet6#1;" "assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1;" "assume { :end_inline_startSystem } true;" "assume { :begin_inline_timeShift } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 != ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__methaneQuery } true;havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;havoc processEnvironment__wrappee__methaneQuery_~tmp~1#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~2#1;havoc isHighWaterLevel_~tmp~4#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~ret20#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~8#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret20#1;havoc isHighWaterLevel_#t~ret20#1;" "assume 0 != isHighWaterLevel_~tmp~4#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__methaneQuery_#t~ret8#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret20#1, isHighWaterLevel_~retValue_acc~2#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment__wrappee__methaneQuery_~tmp~1#1 := processEnvironment__wrappee__methaneQuery_#t~ret8#1;havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1;" "assume !(0 != processEnvironment__wrappee__methaneQuery_~tmp~1#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment__wrappee__methaneQuery_#t~ret8#1, processEnvironment__wrappee__methaneQuery_~tmp~1#1;assume { :end_inline_processEnvironment__wrappee__methaneQuery } true;" "havoc processEnvironment_#t~ret9#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification1_spec__1 } true;havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;havoc __utac_acc__Specification1_spec__1_~tmp~6#1;havoc __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;isMethaneLevelCritical_~retValue_acc~6#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~6#1;" "__utac_acc__Specification1_spec__1_#t~ret23#1 := isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~6#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification1_spec__1_~tmp~6#1 := __utac_acc__Specification1_spec__1_#t~ret23#1;havoc __utac_acc__Specification1_spec__1_#t~ret23#1;" "assume !(0 != __utac_acc__Specification1_spec__1_~tmp~6#1);" "havoc __utac_acc__Specification1_spec__1_#t~ret23#1, __utac_acc__Specification1_spec__1_#t~ret24#1, __utac_acc__Specification1_spec__1_~tmp~6#1, __utac_acc__Specification1_spec__1_~tmp___0~2#1;assume { :end_inline___utac_acc__Specification1_spec__1 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 06:51:27,838 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:51:27,838 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times
[2024-12-02 06:51:27,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:51:27,838 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [395845463]
[2024-12-02 06:51:27,838 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:51:27,838 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:51:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:51:27,849 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:51:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:51:27,859 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 06:51:27,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:51:27,859 INFO L85 PathProgramCache]: Analyzing trace with hash 1216508192, now seen corresponding path program 1 times
[2024-12-02 06:51:27,859 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:51:27,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236711324]
[2024-12-02 06:51:27,860 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:51:27,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:51:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:51:27,873 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:51:27,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:51:27,882 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 06:51:27,883 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 06:51:27,883 INFO L85 PathProgramCache]: Analyzing trace with hash 1591795932, now seen corresponding path program 1 times
[2024-12-02 06:51:27,883 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 06:51:27,883 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403876378]
[2024-12-02 06:51:27,883 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 06:51:27,883 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 06:51:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:51:27,900 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:51:27,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:51:27,914 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 06:51:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:51:28,861 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 06:51:28,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 06:51:28,910 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 06:51:28 BoogieIcfgContainer
[2024-12-02 06:51:28,910 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-12-02 06:51:28,911 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 06:51:28,911 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 06:51:28,911 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 06:51:28,911 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 06:51:27" (3/4) ...
[2024-12-02 06:51:28,913 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample
[2024-12-02 06:51:28,949 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 06:51:28,949 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 06:51:28,950 INFO L158 Benchmark]: Toolchain (without parser) took 2836.77ms. Allocated memory is still 142.6MB. Free memory was 115.9MB in the beginning and 78.1MB in the end (delta: 37.8MB). Peak memory consumption was 41.4MB. Max. memory is 16.1GB.
[2024-12-02 06:51:28,950 INFO L158 Benchmark]: CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:51:28,950 INFO L158 Benchmark]: CACSL2BoogieTranslator took 362.59ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 97.2MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 06:51:28,951 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.83ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 94.2MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 06:51:28,951 INFO L158 Benchmark]: Boogie Preprocessor took 51.45ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 91.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:51:28,951 INFO L158 Benchmark]: RCFGBuilder took 491.93ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 63.2MB in the end (delta: 27.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-02 06:51:28,951 INFO L158 Benchmark]: BuchiAutomizer took 1834.71ms. Allocated memory is still 142.6MB. Free memory was 63.2MB in the beginning and 80.2MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 06:51:28,952 INFO L158 Benchmark]: Witness Printer took 38.36ms. Allocated memory is still 142.6MB. Free memory was 80.2MB in the beginning and 78.1MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 06:51:28,953 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.44ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 362.59ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 97.2MB in the end (delta: 18.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 52.83ms. Allocated memory is still 142.6MB. Free memory was 97.2MB in the beginning and 94.2MB in the end (delta: 3.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 51.45ms. Allocated memory is still 142.6MB. Free memory was 94.2MB in the beginning and 91.0MB in the end (delta: 3.1MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 491.93ms. Allocated memory is still 142.6MB. Free memory was 91.0MB in the beginning and 63.2MB in the end (delta: 27.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* BuchiAutomizer took 1834.71ms. Allocated memory is still 142.6MB. Free memory was 63.2MB in the beginning and 80.2MB in the end (delta: -17.0MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 38.36ms. Allocated memory is still 142.6MB. Free memory was 80.2MB in the beginning and 78.1MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
- GenericResultAtLocation [Line: 49]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49]
- GenericResultAtLocation [Line: 121]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121]
- GenericResultAtLocation [Line: 333]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [333]
- GenericResultAtLocation [Line: 432]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [432]
- GenericResultAtLocation [Line: 467]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [467]
- GenericResultAtLocation [Line: 476]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Specification1_spec.i","") [476]
- GenericResultAtLocation [Line: 502]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [502]
- GenericResultAtLocation [Line: 597]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [597]
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 226 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 1.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 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, 384 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 384 mSDsluCounter, 520 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 429 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s
- TerminationAnalysisResult: Nontermination possible
Buchi Automizer proved that your program is nonterminating for some inputs
- LassoShapedNonTerminationArgument [Line: 67]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L130] int pumpRunning = 0;
[L131] int systemActive = 1;
[L334] int cleanupTimeShifts = 4;
[L504] int waterLevel = 1;
[L505] int methaneLevelCritical = 0;
[L767] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L410] int retValue_acc ;
[L411] int tmp ;
[L415] FCALL select_helpers()
[L416] FCALL select_features()
[L417] CALL, EXPR valid_product()
[L459] int retValue_acc ;
[L462] retValue_acc = 1
[L463] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L417] RET, EXPR valid_product()
[L417] tmp = valid_product()
[L419] COND TRUE \read(tmp)
[L421] FCALL setup()
[L422] CALL runTest()
[L401] 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}, 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)
[L97] CALL startSystem()
[L329] systemActive = 1
[L97] RET startSystem()
[L110] CALL timeShift()
[L138] COND FALSE !(\read(pumpRunning))
[L145] COND TRUE \read(systemActive)
[L147] CALL processEnvironment()
[L193] int tmp ;
[L196] COND FALSE !(\read(pumpRunning))
[L211] CALL processEnvironment__wrappee__methaneQuery()
[L167] int tmp ;
[L170] COND TRUE ! pumpRunning
[L172] CALL, EXPR isHighWaterLevel()
[L307] int retValue_acc ;
[L308] int tmp ;
[L309] int tmp___0 ;
[L313] CALL, EXPR isHighWaterSensorDry()
[L584] int retValue_acc ;
[L587] COND TRUE waterLevel < 2
[L588] retValue_acc = 1
[L589] return (retValue_acc);
[L313] RET, EXPR isHighWaterSensorDry()
[L313] tmp = isHighWaterSensorDry()
[L315] COND TRUE \read(tmp)
[L316] tmp___0 = 0
[L320] retValue_acc = tmp___0
[L321] return (retValue_acc);
[L172] RET, EXPR isHighWaterLevel()
[L172] tmp = isHighWaterLevel()
[L174] COND FALSE !(\read(tmp))
[L180] FCALL processEnvironment__wrappee__base()
[L211] RET processEnvironment__wrappee__methaneQuery()
[L147] RET processEnvironment()
[L153] CALL __utac_acc__Specification1_spec__1()
[L478] int tmp ;
[L479] int tmp___0 ;
[L483] CALL, EXPR isMethaneLevelCritical()
[L543] int retValue_acc ;
[L546] retValue_acc = methaneLevelCritical
[L547] return (retValue_acc);
[L483] RET, EXPR isMethaneLevelCritical()
[L483] tmp = isMethaneLevelCritical()
[L485] COND FALSE !(\read(tmp))
[L153] RET __utac_acc__Specification1_spec__1()
[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:
[L130] int pumpRunning = 0;
[L131] int systemActive = 1;
[L334] int cleanupTimeShifts = 4;
[L504] int waterLevel = 1;
[L505] int methaneLevelCritical = 0;
[L767] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L410] int retValue_acc ;
[L411] int tmp ;
[L415] FCALL select_helpers()
[L416] FCALL select_features()
[L417] CALL, EXPR valid_product()
[L459] int retValue_acc ;
[L462] retValue_acc = 1
[L463] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L417] RET, EXPR valid_product()
[L417] tmp = valid_product()
[L419] COND TRUE \read(tmp)
[L421] FCALL setup()
[L422] CALL runTest()
[L401] 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}, 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)
[L97] CALL startSystem()
[L329] systemActive = 1
[L97] RET startSystem()
[L110] CALL timeShift()
[L138] COND FALSE !(\read(pumpRunning))
[L145] COND TRUE \read(systemActive)
[L147] CALL processEnvironment()
[L193] int tmp ;
[L196] COND FALSE !(\read(pumpRunning))
[L211] CALL processEnvironment__wrappee__methaneQuery()
[L167] int tmp ;
[L170] COND TRUE ! pumpRunning
[L172] CALL, EXPR isHighWaterLevel()
[L307] int retValue_acc ;
[L308] int tmp ;
[L309] int tmp___0 ;
[L313] CALL, EXPR isHighWaterSensorDry()
[L584] int retValue_acc ;
[L587] COND TRUE waterLevel < 2
[L588] retValue_acc = 1
[L589] return (retValue_acc);
[L313] RET, EXPR isHighWaterSensorDry()
[L313] tmp = isHighWaterSensorDry()
[L315] COND TRUE \read(tmp)
[L316] tmp___0 = 0
[L320] retValue_acc = tmp___0
[L321] return (retValue_acc);
[L172] RET, EXPR isHighWaterLevel()
[L172] tmp = isHighWaterLevel()
[L174] COND FALSE !(\read(tmp))
[L180] FCALL processEnvironment__wrappee__base()
[L211] RET processEnvironment__wrappee__methaneQuery()
[L147] RET processEnvironment()
[L153] CALL __utac_acc__Specification1_spec__1()
[L478] int tmp ;
[L479] int tmp___0 ;
[L483] CALL, EXPR isMethaneLevelCritical()
[L543] int retValue_acc ;
[L546] retValue_acc = methaneLevelCritical
[L547] return (retValue_acc);
[L483] RET, EXPR isMethaneLevelCritical()
[L483] tmp = isMethaneLevelCritical()
[L485] COND FALSE !(\read(tmp))
[L153] RET __utac_acc__Specification1_spec__1()
[L110] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2024-12-02 06:51:28,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 06:51:29,165 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 06:51:29,366 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46511a5c-f382-4727-b50b-a34fe57030aa/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)