./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product41.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_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/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_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/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_b53a1840-8451-42ea-8359-5cdf19d2fca0/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 6e630fd4f7f92b97a7712eadcda02cdabe0d357899fc48fb3e7885213e7a8b80
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 08:13:22,762 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-12-02 08:13:22,820 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-Termination-32bit-Automizer_Default.epf
[2024-12-02 08:13:22,824 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 08:13:22,824 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 08:13:22,847 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 08:13:22,848 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 08:13:22,848 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 08:13:22,848 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-12-02 08:13:22,849 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-12-02 08:13:22,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 08:13:22,849 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-12-02 08:13:22,849 INFO L153 SettingsManager]: * Use SBE=true
[2024-12-02 08:13:22,849 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2024-12-02 08:13:22,850 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2024-12-02 08:13:22,850 INFO L153 SettingsManager]: * Use old map elimination=false
[2024-12-02 08:13:22,850 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false
[2024-12-02 08:13:22,850 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true
[2024-12-02 08:13:22,850 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2024-12-02 08:13:22,850 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 08:13:22,850 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2024-12-02 08:13:22,850 INFO L153 SettingsManager]: * sizeof long=4
[2024-12-02 08:13:22,850 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-12-02 08:13:22,851 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-12-02 08:13:22,851 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-12-02 08:13:22,851 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2024-12-02 08:13:22,851 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2024-12-02 08:13:22,851 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2024-12-02 08:13:22,851 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-12-02 08:13:22,851 INFO L153 SettingsManager]: * sizeof long double=12
[2024-12-02 08:13:22,851 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-12-02 08:13:22,851 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false
[2024-12-02 08:13:22,851 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 08:13:22,852 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-12-02 08:13:22,852 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 08:13:22,852 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-12-02 08:13:22,852 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 08:13:22,852 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL_NO_AM
[2024-12-02 08:13:22,852 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2024-12-02 08:13:22,852 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_b53a1840-8451-42ea-8359-5cdf19d2fca0/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 -> 6e630fd4f7f92b97a7712eadcda02cdabe0d357899fc48fb3e7885213e7a8b80
[2024-12-02 08:13:23,080 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 08:13:23,088 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 08:13:23,090 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 08:13:23,091 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-12-02 08:13:23,092 INFO L274 PluginConnector]: CDTParser initialized
[2024-12-02 08:13:23,093 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c
[2024-12-02 08:13:25,723 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/data/69a0237c1/9c6487bac5934c4eb877187d3065ba4a/FLAG0876f929e
[2024-12-02 08:13:25,977 INFO L384 CDTParser]: Found 1 translation units.
[2024-12-02 08:13:25,978 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/sv-benchmarks/c/product-lines/minepump_spec5_product41.cil.c
[2024-12-02 08:13:25,990 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/data/69a0237c1/9c6487bac5934c4eb877187d3065ba4a/FLAG0876f929e
[2024-12-02 08:13:26,284 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/data/69a0237c1/9c6487bac5934c4eb877187d3065ba4a
[2024-12-02 08:13:26,286 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 08:13:26,287 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 08:13:26,288 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 08:13:26,288 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 08:13:26,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 08:13:26,291 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:13:26" (1/1) ...
[2024-12-02 08:13:26,292 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a9c309c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:13:26, skipping insertion in model container
[2024-12-02 08:13:26,292 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:13:26" (1/1) ...
[2024-12-02 08:13:26,317 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-12-02 08:13:26,547 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:13:26,559 INFO L200 MainTranslator]: Completed pre-run
[2024-12-02 08:13:26,567 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification5_spec.i","") [49]
[2024-12-02 08:13:26,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [101]
[2024-12-02 08:13:26,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [201]
[2024-12-02 08:13:26,568 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [304]
[2024-12-02 08:13:26,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [479]
[2024-12-02 08:13:26,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [544]
[2024-12-02 08:13:26,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [910]
[2024-12-02 08:13:26,569 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [945]
[2024-12-02 08:13:26,617 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-12-02 08:13:26,636 INFO L204 MainTranslator]: Completed translation
[2024-12-02 08:13:26,636 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:13:26 WrapperNode
[2024-12-02 08:13:26,637 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 08:13:26,638 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 08:13:26,638 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 08:13:26,638 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 08:13:26,645 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:13:26" (1/1) ...
[2024-12-02 08:13:26,657 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:13:26" (1/1) ...
[2024-12-02 08:13:26,682 INFO L138 Inliner]: procedures = 55, calls = 99, calls flagged for inlining = 52, calls inlined = 66, statements flattened = 440
[2024-12-02 08:13:26,682 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 08:13:26,683 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 08:13:26,683 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 08:13:26,683 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 08:13:26,692 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:13:26" (1/1) ...
[2024-12-02 08:13:26,692 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:13:26" (1/1) ...
[2024-12-02 08:13:26,695 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:13:26" (1/1) ...
[2024-12-02 08:13:26,708 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 08:13:26,708 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:13:26" (1/1) ...
[2024-12-02 08:13:26,709 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:13:26" (1/1) ...
[2024-12-02 08:13:26,713 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:13:26" (1/1) ...
[2024-12-02 08:13:26,714 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:13:26" (1/1) ...
[2024-12-02 08:13:26,719 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:13:26" (1/1) ...
[2024-12-02 08:13:26,721 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:13:26" (1/1) ...
[2024-12-02 08:13:26,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:13:26" (1/1) ...
[2024-12-02 08:13:26,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 08:13:26,724 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 08:13:26,724 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 08:13:26,724 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-12-02 08:13:26,724 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:13:26" (1/1) ...
[2024-12-02 08:13:26,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2024-12-02 08:13:26,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:13:26,748 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2024-12-02 08:13:26,750 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2024-12-02 08:13:26,774 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 08:13:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-12-02 08:13:26,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 08:13:26,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 08:13:26,836 INFO L234 CfgBuilder]: Building ICFG
[2024-12-02 08:13:26,837 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 08:13:27,123 INFO L? ?]: Removed 97 outVars from TransFormulas that were not future-live.
[2024-12-02 08:13:27,123 INFO L283 CfgBuilder]: Performing block encoding
[2024-12-02 08:13:27,132 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 08:13:27,132 INFO L312 CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-02 08:13:27,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:13:27 BoogieIcfgContainer
[2024-12-02 08:13:27,132 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 08:13:27,133 INFO L112 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2024-12-02 08:13:27,133 INFO L270 PluginConnector]: Initializing BuchiAutomizer...
[2024-12-02 08:13:27,138 INFO L274 PluginConnector]: BuchiAutomizer initialized
[2024-12-02 08:13:27,138 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 08:13:27,139 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.12 08:13:26" (1/3) ...
[2024-12-02 08:13:27,140 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d01b168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 08:13:27, skipping insertion in model container
[2024-12-02 08:13:27,140 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 08:13:27,140 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:13:26" (2/3) ...
[2024-12-02 08:13:27,140 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3d01b168 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.12 08:13:27, skipping insertion in model container
[2024-12-02 08:13:27,140 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2024-12-02 08:13:27,140 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:13:27" (3/3) ...
[2024-12-02 08:13:27,141 INFO L363 chiAutomizerObserver]: Analyzing ICFG minepump_spec5_product41.cil.c
[2024-12-02 08:13:27,188 INFO L300 stractBuchiCegarLoop]: Interprodecural is true
[2024-12-02 08:13:27,188 INFO L301 stractBuchiCegarLoop]: Hoare is None
[2024-12-02 08:13:27,189 INFO L302 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2024-12-02 08:13:27,189 INFO L303 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2024-12-02 08:13:27,189 INFO L304 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2024-12-02 08:13:27,189 INFO L305 stractBuchiCegarLoop]: Difference is false
[2024-12-02 08:13:27,189 INFO L306 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2024-12-02 08:13:27,189 INFO L310 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2024-12-02 08:13:27,194 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 128 states, 127 states have (on average 1.3622047244094488) internal successors, (173), 127 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:13:27,213 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 80
[2024-12-02 08:13:27,213 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 08:13:27,213 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 08:13:27,218 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:13:27,218 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:13:27,218 INFO L332 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2024-12-02 08:13:27,219 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 128 states, 127 states have (on average 1.3622047244094488) internal successors, (173), 127 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-02 08:13:27,223 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 80
[2024-12-02 08:13:27,223 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 08:13:27,224 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 08:13:27,224 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:13:27,224 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:13:27,228 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);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~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~ret12#1, main_~retValue_acc~3#1, main_~tmp~1#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~1#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 08:13:27,229 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet25#1;test_~tmp~5#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet26#1;test_~tmp___0~2#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet27#1;test_~tmp___2~0#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1;" "__utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume !(0 != ~systemActive~0);" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 08:13:27,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:13:27,232 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 1 times
[2024-12-02 08:13:27,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 08:13:27,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573022043]
[2024-12-02 08:13:27,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:13:27,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:13:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:13:27,303 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 08:13:27,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:13:27,340 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 08:13:27,342 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:13:27,342 INFO L85 PathProgramCache]: Analyzing trace with hash 1945469698, now seen corresponding path program 1 times
[2024-12-02 08:13:27,342 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 08:13:27,342 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1603877362]
[2024-12-02 08:13:27,342 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:13:27,343 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:13:27,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:13:27,351 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 08:13:27,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:13:27,359 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 08:13:27,360 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:13:27,361 INFO L85 PathProgramCache]: Analyzing trace with hash 1209528121, now seen corresponding path program 1 times
[2024-12-02 08:13:27,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 08:13:27,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294419884]
[2024-12-02 08:13:27,361 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:13:27,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:13:27,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:13:27,547 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 08:13:27,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294419884]
[2024-12-02 08:13:27,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294419884] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 08:13:27,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [648980520]
[2024-12-02 08:13:27,548 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:13:27,549 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:13:27,549 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:13:27,551 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 08:13:27,553 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-12-02 08:13:27,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:13:27,626 INFO L256 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 2 conjuncts are in the unsatisfiable core
[2024-12-02 08:13:27,628 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 08:13:27,679 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 08:13:27,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [648980520] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 08:13:27,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 08:13:27,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 2, 2] total 6
[2024-12-02 08:13:27,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668805913]
[2024-12-02 08:13:27,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 08:13:27,800 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 08:13:27,819 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-02 08:13:27,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42
[2024-12-02 08:13:27,822 INFO L87 Difference]: Start difference. First operand has 128 states, 127 states have (on average 1.3622047244094488) internal successors, (173), 127 states have internal predecessors, (173), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 7 states, 7 states have (on average 6.428571428571429) internal successors, (45), 6 states have internal predecessors, (45), 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 08:13:27,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:13:27,887 INFO L93 Difference]: Finished difference Result 122 states and 156 transitions.
[2024-12-02 08:13:27,888 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 122 states and 156 transitions.
[2024-12-02 08:13:27,891 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74
[2024-12-02 08:13:27,897 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 122 states to 112 states and 146 transitions.
[2024-12-02 08:13:27,898 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 112
[2024-12-02 08:13:27,898 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 112
[2024-12-02 08:13:27,899 INFO L73 IsDeterministic]: Start isDeterministic. Operand 112 states and 146 transitions.
[2024-12-02 08:13:27,899 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 08:13:27,900 INFO L218 hiAutomatonCegarLoop]: Abstraction has 112 states and 146 transitions.
[2024-12-02 08:13:27,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states and 146 transitions.
[2024-12-02 08:13:27,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112.
[2024-12-02 08:13:27,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 112 states have (on average 1.3035714285714286) internal successors, (146), 111 states have internal predecessors, (146), 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 08:13:27,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 146 transitions.
[2024-12-02 08:13:27,927 INFO L240 hiAutomatonCegarLoop]: Abstraction has 112 states and 146 transitions.
[2024-12-02 08:13:27,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 08:13:27,931 INFO L425 stractBuchiCegarLoop]: Abstraction has 112 states and 146 transitions.
[2024-12-02 08:13:27,931 INFO L332 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2024-12-02 08:13:27,932 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 112 states and 146 transitions.
[2024-12-02 08:13:27,933 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 74
[2024-12-02 08:13:27,933 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 08:13:27,933 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 08:13:27,934 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:13:27,934 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]
[2024-12-02 08:13:27,934 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);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~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~ret12#1, main_~retValue_acc~3#1, main_~tmp~1#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~1#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 08:13:27,934 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet25#1;test_~tmp~5#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet26#1;test_~tmp___0~2#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet27#1;test_~tmp___2~0#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1;" "__utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume !(0 == ~pumpRunning~0);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 08:13:27,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:13:27,935 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 2 times
[2024-12-02 08:13:27,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 08:13:27,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1779013866]
[2024-12-02 08:13:27,935 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:13:27,935 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:13:27,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:13:27,946 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 08:13:27,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:13:27,955 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 08:13:27,956 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:13:27,956 INFO L85 PathProgramCache]: Analyzing trace with hash -1736430983, now seen corresponding path program 1 times
[2024-12-02 08:13:27,956 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 08:13:27,956 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596798994]
[2024-12-02 08:13:27,956 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:13:27,957 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:13:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:13:27,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 08:13:27,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596798994]
[2024-12-02 08:13:27,980 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1596798994] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 08:13:27,980 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1888808819]
[2024-12-02 08:13:27,980 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:13:27,980 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:13:27,980 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:13:27,982 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 08:13:27,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-12-02 08:13:28,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:13:28,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-12-02 08:13:28,021 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 08:13:28,027 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 08:13:28,035 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1888808819] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 08:13:28,035 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 08:13:28,035 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3
[2024-12-02 08:13:28,035 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [630348118]
[2024-12-02 08:13:28,035 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 08:13:28,036 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-12-02 08:13:28,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 08:13:28,036 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-02 08:13:28,036 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-02 08:13:28,036 INFO L87 Difference]: Start difference. First operand 112 states and 146 transitions. cyclomatic complexity: 36 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)
[2024-12-02 08:13:28,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:13:28,094 INFO L93 Difference]: Finished difference Result 174 states and 221 transitions.
[2024-12-02 08:13:28,094 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 174 states and 221 transitions.
[2024-12-02 08:13:28,096 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 120
[2024-12-02 08:13:28,097 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 174 states to 174 states and 221 transitions.
[2024-12-02 08:13:28,098 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 174
[2024-12-02 08:13:28,098 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 174
[2024-12-02 08:13:28,098 INFO L73 IsDeterministic]: Start isDeterministic. Operand 174 states and 221 transitions.
[2024-12-02 08:13:28,099 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 08:13:28,099 INFO L218 hiAutomatonCegarLoop]: Abstraction has 174 states and 221 transitions.
[2024-12-02 08:13:28,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 174 states and 221 transitions.
[2024-12-02 08:13:28,105 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 174 to 174.
[2024-12-02 08:13:28,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 174 states, 174 states have (on average 1.2701149425287357) internal successors, (221), 173 states have internal predecessors, (221), 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 08:13:28,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 221 transitions.
[2024-12-02 08:13:28,107 INFO L240 hiAutomatonCegarLoop]: Abstraction has 174 states and 221 transitions.
[2024-12-02 08:13:28,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-12-02 08:13:28,108 INFO L425 stractBuchiCegarLoop]: Abstraction has 174 states and 221 transitions.
[2024-12-02 08:13:28,108 INFO L332 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2024-12-02 08:13:28,108 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 174 states and 221 transitions.
[2024-12-02 08:13:28,110 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 120
[2024-12-02 08:13:28,110 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 08:13:28,110 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 08:13:28,111 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:13:28,111 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]
[2024-12-02 08:13:28,111 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);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~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~ret12#1, main_~retValue_acc~3#1, main_~tmp~1#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~1#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 08:13:28,111 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet25#1;test_~tmp~5#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet26#1;test_~tmp___0~2#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet27#1;test_~tmp___2~0#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1;" "__utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~6#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~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1;" "isHighWaterLevel_#t~ret24#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret24#1;havoc isHighWaterLevel_#t~ret24#1;" "assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1;" "processEnvironment_#t~ret13#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~2#1 := processEnvironment_#t~ret13#1;havoc processEnvironment_#t~ret13#1;" "assume !(0 != processEnvironment_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1;" "assume !(2 != __utac_acc__Specification5_spec__3_~tmp~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 08:13:28,111 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:13:28,111 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 3 times
[2024-12-02 08:13:28,112 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 08:13:28,112 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923798496]
[2024-12-02 08:13:28,112 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:13:28,112 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:13:28,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:13:28,119 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 08:13:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:13:28,126 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 08:13:28,127 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:13:28,127 INFO L85 PathProgramCache]: Analyzing trace with hash -2094649279, now seen corresponding path program 1 times
[2024-12-02 08:13:28,127 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 08:13:28,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1545598182]
[2024-12-02 08:13:28,127 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:13:28,127 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:13:28,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:13:28,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL_NO_AM found an infeasible trace
[2024-12-02 08:13:28,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1545598182]
[2024-12-02 08:13:28,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1545598182] provided 0 perfect and 1 imperfect interpolant sequences
[2024-12-02 08:13:28,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798194248]
[2024-12-02 08:13:28,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:13:28,198 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-12-02 08:13:28,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 08:13:28,200 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-12-02 08:13:28,201 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-12-02 08:13:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 08:13:28,239 INFO L256 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-12-02 08:13:28,241 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-12-02 08:13:28,296 INFO L312 TraceCheckSpWp]: Computing backward predicates...
[2024-12-02 08:13:28,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798194248] provided 0 perfect and 2 imperfect interpolant sequences
[2024-12-02 08:13:28,331 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-12-02 08:13:28,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8
[2024-12-02 08:13:28,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509850119]
[2024-12-02 08:13:28,331 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-12-02 08:13:28,331 INFO L764 eck$LassoCheckResult]: loop already infeasible
[2024-12-02 08:13:28,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM
[2024-12-02 08:13:28,332 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants.
[2024-12-02 08:13:28,332 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56
[2024-12-02 08:13:28,332 INFO L87 Difference]: Start difference. First operand 174 states and 221 transitions. cyclomatic complexity: 49 Second operand has 8 states, 8 states have (on average 4.625) internal successors, (37), 8 states have internal predecessors, (37), 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 08:13:28,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2024-12-02 08:13:28,460 INFO L93 Difference]: Finished difference Result 338 states and 421 transitions.
[2024-12-02 08:13:28,460 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 338 states and 421 transitions.
[2024-12-02 08:13:28,463 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 238
[2024-12-02 08:13:28,466 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 338 states to 338 states and 421 transitions.
[2024-12-02 08:13:28,466 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 338
[2024-12-02 08:13:28,466 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 338
[2024-12-02 08:13:28,467 INFO L73 IsDeterministic]: Start isDeterministic. Operand 338 states and 421 transitions.
[2024-12-02 08:13:28,468 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2024-12-02 08:13:28,468 INFO L218 hiAutomatonCegarLoop]: Abstraction has 338 states and 421 transitions.
[2024-12-02 08:13:28,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states and 421 transitions.
[2024-12-02 08:13:28,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 338.
[2024-12-02 08:13:28,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 338 states have (on average 1.2455621301775148) internal successors, (421), 337 states have internal predecessors, (421), 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 08:13:28,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 421 transitions.
[2024-12-02 08:13:28,481 INFO L240 hiAutomatonCegarLoop]: Abstraction has 338 states and 421 transitions.
[2024-12-02 08:13:28,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-12-02 08:13:28,482 INFO L425 stractBuchiCegarLoop]: Abstraction has 338 states and 421 transitions.
[2024-12-02 08:13:28,482 INFO L332 stractBuchiCegarLoop]: ======== Iteration 4 ============
[2024-12-02 08:13:28,482 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 338 states and 421 transitions.
[2024-12-02 08:13:28,485 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 238
[2024-12-02 08:13:28,485 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2024-12-02 08:13:28,485 INFO L119 BuchiIsEmpty]: Starting construction of run
[2024-12-02 08:13:28,485 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 08:13:28,485 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, 1]
[2024-12-02 08:13:28,486 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);~switchedOnBeforeTS~0 := 0;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~cleanupTimeShifts~0 := 4;~pumpRunning~0 := 0;~systemActive~0 := 1;~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~ret12#1, main_~retValue_acc~3#1, main_~tmp~1#1;havoc main_~retValue_acc~3#1;havoc main_~tmp~1#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~11#1;havoc valid_product_~retValue_acc~11#1;valid_product_~retValue_acc~11#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~11#1;" "main_#t~ret12#1 := valid_product_#res#1;havoc valid_product_~retValue_acc~11#1;assume { :end_inline_valid_product } true;main_~tmp~1#1 := main_#t~ret12#1;havoc main_#t~ret12#1;" "assume 0 != main_~tmp~1#1;assume { :begin_inline_setup } true;" "assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline___utac_acc__Specification5_spec__1 } true;~switchedOnBeforeTS~0 := 0;" "assume { :end_inline___utac_acc__Specification5_spec__1 } true;assume { :begin_inline_test } true;havoc test_#t~nondet25#1, test_#t~nondet26#1, test_#t~nondet27#1, test_#t~nondet28#1, test_~splverifierCounter~0#1, test_~tmp~5#1, test_~tmp___0~2#1, test_~tmp___1~0#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~5#1;havoc test_~tmp___0~2#1;havoc test_~tmp___1~0#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0;"
[2024-12-02 08:13:28,486 INFO L749 eck$LassoCheckResult]: Loop: "assume test_~splverifierCounter~0#1 < 4;" "havoc test_#t~nondet25#1;test_~tmp~5#1 := test_#t~nondet25#1;havoc test_#t~nondet25#1;" "assume !(0 != test_~tmp~5#1);" "havoc test_#t~nondet26#1;test_~tmp___0~2#1 := test_#t~nondet26#1;havoc test_#t~nondet26#1;" "assume !(0 != test_~tmp___0~2#1);" "havoc test_#t~nondet27#1;test_~tmp___2~0#1 := test_#t~nondet27#1;havoc test_#t~nondet27#1;" "assume 0 != test_~tmp___2~0#1;" "assume { :begin_inline_timeShift } true;assume { :begin_inline___utac_acc__Specification5_spec__2 } true;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1;" "__utac_acc__Specification5_spec__2_#t~ret4#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;assume { :end_inline_isPumpRunning } true;~switchedOnBeforeTS~0 := __utac_acc__Specification5_spec__2_#t~ret4#1;havoc __utac_acc__Specification5_spec__2_#t~ret4#1;" "havoc __utac_acc__Specification5_spec__2_#t~ret4#1;assume { :end_inline___utac_acc__Specification5_spec__2 } true;" "assume !(0 != ~pumpRunning~0);" "assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true;havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~2#1;havoc processEnvironment_~tmp~2#1;" "assume 0 == ~pumpRunning~0;assume { :begin_inline_isHighWaterLevel } true;havoc isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;havoc isHighWaterLevel_~retValue_acc~6#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~2#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;" "assume ~waterLevel~0 < 2;isHighWaterSensorDry_~retValue_acc~2#1 := 1;isHighWaterSensorDry_#res#1 := isHighWaterSensorDry_~retValue_acc~2#1;" "isHighWaterLevel_#t~ret24#1 := isHighWaterSensorDry_#res#1;havoc isHighWaterSensorDry_~retValue_acc~2#1;assume { :end_inline_isHighWaterSensorDry } true;isHighWaterLevel_~tmp~4#1 := isHighWaterLevel_#t~ret24#1;havoc isHighWaterLevel_#t~ret24#1;" "assume 0 != isHighWaterLevel_~tmp~4#1;isHighWaterLevel_~tmp___0~1#1 := 0;" "isHighWaterLevel_~retValue_acc~6#1 := isHighWaterLevel_~tmp___0~1#1;isHighWaterLevel_#res#1 := isHighWaterLevel_~retValue_acc~6#1;" "processEnvironment_#t~ret13#1 := isHighWaterLevel_#res#1;havoc isHighWaterLevel_#t~ret24#1, isHighWaterLevel_~retValue_acc~6#1, isHighWaterLevel_~tmp~4#1, isHighWaterLevel_~tmp___0~1#1;assume { :end_inline_isHighWaterLevel } true;processEnvironment_~tmp~2#1 := processEnvironment_#t~ret13#1;havoc processEnvironment_#t~ret13#1;" "assume !(0 != processEnvironment_~tmp~2#1);assume { :begin_inline_processEnvironment__wrappee__base } true;" "assume { :end_inline_processEnvironment__wrappee__base } true;" "havoc processEnvironment_#t~ret13#1, processEnvironment_~tmp~2#1;assume { :end_inline_processEnvironment } true;" "assume { :begin_inline___utac_acc__Specification5_spec__3 } true;havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;havoc __utac_acc__Specification5_spec__3_~tmp~0#1;havoc __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;havoc getWaterLevel_~retValue_acc~1#1;getWaterLevel_~retValue_acc~1#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~1#1;" "__utac_acc__Specification5_spec__3_#t~ret5#1 := getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~1#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification5_spec__3_~tmp~0#1 := __utac_acc__Specification5_spec__3_#t~ret5#1;havoc __utac_acc__Specification5_spec__3_#t~ret5#1;" "assume 2 != __utac_acc__Specification5_spec__3_~tmp~0#1;assume { :begin_inline_isPumpRunning } true;havoc isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;havoc isPumpRunning_~retValue_acc~5#1;isPumpRunning_~retValue_acc~5#1 := ~pumpRunning~0;isPumpRunning_#res#1 := isPumpRunning_~retValue_acc~5#1;" "__utac_acc__Specification5_spec__3_#t~ret6#1 := isPumpRunning_#res#1;havoc isPumpRunning_~retValue_acc~5#1;assume { :end_inline_isPumpRunning } true;__utac_acc__Specification5_spec__3_~tmp___0~0#1 := __utac_acc__Specification5_spec__3_#t~ret6#1;havoc __utac_acc__Specification5_spec__3_#t~ret6#1;" "assume !(0 != __utac_acc__Specification5_spec__3_~tmp___0~0#1);" "havoc __utac_acc__Specification5_spec__3_#t~ret5#1, __utac_acc__Specification5_spec__3_#t~ret6#1, __utac_acc__Specification5_spec__3_~tmp~0#1, __utac_acc__Specification5_spec__3_~tmp___0~0#1;assume { :end_inline___utac_acc__Specification5_spec__3 } true;" "assume { :end_inline_timeShift } true;"
[2024-12-02 08:13:28,486 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:13:28,486 INFO L85 PathProgramCache]: Analyzing trace with hash 87859946, now seen corresponding path program 4 times
[2024-12-02 08:13:28,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 08:13:28,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [742776758]
[2024-12-02 08:13:28,486 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:13:28,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:13:28,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:13:28,493 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 08:13:28,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:13:28,499 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 08:13:28,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:13:28,500 INFO L85 PathProgramCache]: Analyzing trace with hash 1360699964, now seen corresponding path program 1 times
[2024-12-02 08:13:28,500 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 08:13:28,500 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907493892]
[2024-12-02 08:13:28,500 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:13:28,500 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:13:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:13:28,508 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 08:13:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:13:28,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 08:13:28,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 08:13:28,515 INFO L85 PathProgramCache]: Analyzing trace with hash -1935196763, now seen corresponding path program 1 times
[2024-12-02 08:13:28,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM
[2024-12-02 08:13:28,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895342638]
[2024-12-02 08:13:28,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 08:13:28,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 08:13:28,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:13:28,525 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 08:13:28,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:13:28,536 INFO L130 FreeRefinementEngine]: Strategy CAMEL_NO_AM found a feasible trace
[2024-12-02 08:13:29,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:13:29,426 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-02 08:13:29,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-02 08:13:29,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.12 08:13:29 BoogieIcfgContainer
[2024-12-02 08:13:29,481 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2024-12-02 08:13:29,482 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 08:13:29,482 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-12-02 08:13:29,482 INFO L274 PluginConnector]: Witness Printer initialized
[2024-12-02 08:13:29,482 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:13:27" (3/4) ...
[2024-12-02 08:13:29,484 INFO L143 WitnessPrinter]: Generating witness for non-termination counterexample
[2024-12-02 08:13:29,525 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 08:13:29,525 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 08:13:29,526 INFO L158 Benchmark]: Toolchain (without parser) took 3239.18ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 104.5MB in the end (delta: 13.9MB). Peak memory consumption was 8.5MB. Max. memory is 16.1GB.
[2024-12-02 08:13:29,526 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:13:29,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.33ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 99.9MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 08:13:29,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.83ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 97.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:13:29,527 INFO L158 Benchmark]: Boogie Preprocessor took 40.22ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 95.0MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 08:13:29,528 INFO L158 Benchmark]: RCFGBuilder took 408.68ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 73.5MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 08:13:29,528 INFO L158 Benchmark]: BuchiAutomizer took 2347.79ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 107.6MB in the end (delta: -34.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 08:13:29,528 INFO L158 Benchmark]: Witness Printer took 43.70ms. Allocated memory is still 142.6MB. 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.
[2024-12-02 08:13:29,530 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 349.33ms. Allocated memory is still 142.6MB. Free memory was 118.1MB in the beginning and 99.9MB in the end (delta: 18.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 44.83ms. Allocated memory is still 142.6MB. Free memory was 99.9MB in the beginning and 97.6MB in the end (delta: 2.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 40.22ms. Allocated memory is still 142.6MB. Free memory was 97.6MB in the beginning and 95.0MB in the end (delta: 2.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 408.68ms. Allocated memory is still 142.6MB. Free memory was 95.0MB in the beginning and 73.5MB in the end (delta: 21.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* BuchiAutomizer took 2347.79ms. Allocated memory is still 142.6MB. Free memory was 73.5MB in the beginning and 107.6MB in the end (delta: -34.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 43.70ms. Allocated memory is still 142.6MB. 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,"Specification5_spec.i","") [49]
- GenericResultAtLocation [Line: 101]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [101]
- GenericResultAtLocation [Line: 201]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [201]
- GenericResultAtLocation [Line: 304]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [304]
- GenericResultAtLocation [Line: 479]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [479]
- GenericResultAtLocation [Line: 544]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [544]
- GenericResultAtLocation [Line: 910]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [910]
- GenericResultAtLocation [Line: 945]: Unsoundness Warning
Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [945]
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 3 terminating modules (3 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.3 modules have a trivial ranking function, the largest among these consists of 8 locations. The remainder module has 338 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 2.2s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 1.8s. Construction of modules took 0.1s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 0. Minimization of det autom 3. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 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, 796 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 796 mSDsluCounter, 1330 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 896 mSDsCounter, 45 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 146 IncrementalHoareTripleChecker+Invalid, 191 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 45 mSolverCounterUnsat, 434 mSDtfsCounter, 146 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI2 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: 492]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L53] int switchedOnBeforeTS ;
[L108] int waterLevel = 1;
[L109] int methaneLevelCritical = 0;
[L202] int cleanupTimeShifts = 4;
[L307] int pumpRunning = 0;
[L308] int systemActive = 1;
[L714] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L282] int retValue_acc ;
[L283] int tmp ;
[L287] FCALL select_helpers()
[L288] FCALL select_features()
[L289] CALL, EXPR valid_product()
[L937] int retValue_acc ;
[L940] retValue_acc = 1
[L941] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L289] RET, EXPR valid_product()
[L289] tmp = valid_product()
[L291] COND TRUE \read(tmp)
[L293] FCALL setup()
[L294] CALL runTest()
[L272] CALL __utac_acc__Specification5_spec__1()
[L58] switchedOnBeforeTS = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L272] RET __utac_acc__Specification5_spec__1()
[L273] CALL test()
[L481] int splverifierCounter ;
[L482] int tmp ;
[L483] int tmp___0 ;
[L484] int tmp___1 ;
[L485] int tmp___2 ;
[L488] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
Loop:
[L492] COND TRUE splverifierCounter < 4
[L498] tmp = __VERIFIER_nondet_int()
[L500] COND FALSE !(\read(tmp))
[L508] tmp___0 = __VERIFIER_nondet_int()
[L510] COND FALSE !(\read(tmp___0))
[L518] tmp___2 = __VERIFIER_nondet_int()
[L520] COND TRUE \read(tmp___2)
[L533] CALL timeShift()
[L315] CALL __utac_acc__Specification5_spec__2()
[L67] CALL, EXPR isPumpRunning()
[L416] int retValue_acc ;
[L419] retValue_acc = pumpRunning
[L420] return (retValue_acc);
[L67] RET, EXPR isPumpRunning()
[L67] switchedOnBeforeTS = isPumpRunning()
[L315] RET __utac_acc__Specification5_spec__2()
[L317] COND FALSE !(\read(pumpRunning))
[L324] COND TRUE \read(systemActive)
[L326] CALL processEnvironment()
[L346] int tmp ;
[L349] COND TRUE ! pumpRunning
[L351] CALL, EXPR isHighWaterLevel()
[L461] int retValue_acc ;
[L462] int tmp ;
[L463] int tmp___0 ;
[L467] CALL, EXPR isHighWaterSensorDry()
[L188] int retValue_acc ;
[L191] COND TRUE waterLevel < 2
[L192] retValue_acc = 1
[L193] return (retValue_acc);
[L467] RET, EXPR isHighWaterSensorDry()
[L467] tmp = isHighWaterSensorDry()
[L469] COND TRUE \read(tmp)
[L470] tmp___0 = 0
[L474] retValue_acc = tmp___0
[L475] return (retValue_acc);
[L351] RET, EXPR isHighWaterLevel()
[L351] tmp = isHighWaterLevel()
[L353] COND FALSE !(\read(tmp))
[L359] FCALL processEnvironment__wrappee__base()
[L326] RET processEnvironment()
[L332] CALL __utac_acc__Specification5_spec__3()
[L73] int tmp ;
[L74] int tmp___0 ;
[L78] CALL, EXPR getWaterLevel()
[L179] int retValue_acc ;
[L182] retValue_acc = waterLevel
[L183] return (retValue_acc);
[L78] RET, EXPR getWaterLevel()
[L78] tmp = getWaterLevel()
[L80] COND TRUE tmp != 2
[L82] CALL, EXPR isPumpRunning()
[L416] int retValue_acc ;
[L419] retValue_acc = pumpRunning
[L420] return (retValue_acc);
[L82] RET, EXPR isPumpRunning()
[L82] tmp___0 = isPumpRunning()
[L84] COND FALSE !(\read(tmp___0))
[L332] RET __utac_acc__Specification5_spec__3()
[L533] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 492]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L53] int switchedOnBeforeTS ;
[L108] int waterLevel = 1;
[L109] int methaneLevelCritical = 0;
[L202] int cleanupTimeShifts = 4;
[L307] int pumpRunning = 0;
[L308] int systemActive = 1;
[L714] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L282] int retValue_acc ;
[L283] int tmp ;
[L287] FCALL select_helpers()
[L288] FCALL select_features()
[L289] CALL, EXPR valid_product()
[L937] int retValue_acc ;
[L940] retValue_acc = 1
[L941] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L289] RET, EXPR valid_product()
[L289] tmp = valid_product()
[L291] COND TRUE \read(tmp)
[L293] FCALL setup()
[L294] CALL runTest()
[L272] CALL __utac_acc__Specification5_spec__1()
[L58] switchedOnBeforeTS = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
[L272] RET __utac_acc__Specification5_spec__1()
[L273] CALL test()
[L481] int splverifierCounter ;
[L482] int tmp ;
[L483] int tmp___0 ;
[L484] int tmp___1 ;
[L485] int tmp___2 ;
[L488] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, switchedOnBeforeTS=0, systemActive=1, waterLevel=1]
Loop:
[L492] COND TRUE splverifierCounter < 4
[L498] tmp = __VERIFIER_nondet_int()
[L500] COND FALSE !(\read(tmp))
[L508] tmp___0 = __VERIFIER_nondet_int()
[L510] COND FALSE !(\read(tmp___0))
[L518] tmp___2 = __VERIFIER_nondet_int()
[L520] COND TRUE \read(tmp___2)
[L533] CALL timeShift()
[L315] CALL __utac_acc__Specification5_spec__2()
[L67] CALL, EXPR isPumpRunning()
[L416] int retValue_acc ;
[L419] retValue_acc = pumpRunning
[L420] return (retValue_acc);
[L67] RET, EXPR isPumpRunning()
[L67] switchedOnBeforeTS = isPumpRunning()
[L315] RET __utac_acc__Specification5_spec__2()
[L317] COND FALSE !(\read(pumpRunning))
[L324] COND TRUE \read(systemActive)
[L326] CALL processEnvironment()
[L346] int tmp ;
[L349] COND TRUE ! pumpRunning
[L351] CALL, EXPR isHighWaterLevel()
[L461] int retValue_acc ;
[L462] int tmp ;
[L463] int tmp___0 ;
[L467] CALL, EXPR isHighWaterSensorDry()
[L188] int retValue_acc ;
[L191] COND TRUE waterLevel < 2
[L192] retValue_acc = 1
[L193] return (retValue_acc);
[L467] RET, EXPR isHighWaterSensorDry()
[L467] tmp = isHighWaterSensorDry()
[L469] COND TRUE \read(tmp)
[L470] tmp___0 = 0
[L474] retValue_acc = tmp___0
[L475] return (retValue_acc);
[L351] RET, EXPR isHighWaterLevel()
[L351] tmp = isHighWaterLevel()
[L353] COND FALSE !(\read(tmp))
[L359] FCALL processEnvironment__wrappee__base()
[L326] RET processEnvironment()
[L332] CALL __utac_acc__Specification5_spec__3()
[L73] int tmp ;
[L74] int tmp___0 ;
[L78] CALL, EXPR getWaterLevel()
[L179] int retValue_acc ;
[L182] retValue_acc = waterLevel
[L183] return (retValue_acc);
[L78] RET, EXPR getWaterLevel()
[L78] tmp = getWaterLevel()
[L80] COND TRUE tmp != 2
[L82] CALL, EXPR isPumpRunning()
[L416] int retValue_acc ;
[L419] retValue_acc = pumpRunning
[L420] return (retValue_acc);
[L82] RET, EXPR isPumpRunning()
[L82] tmp___0 = isPumpRunning()
[L84] COND FALSE !(\read(tmp___0))
[L332] RET __utac_acc__Specification5_spec__3()
[L533] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2024-12-02 08:13:29,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-12-02 08:13:29,747 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-12-02 08:13:29,945 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/bin/uautomizer-verify-84ZbGMXZE1/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-12-02 08:13:30,146 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b53a1840-8451-42ea-8359-5cdf19d2fca0/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)