./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for termination
Using default analysis
Version 5e519f3a
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc150d0-94d4-45fb-ac9f-941959b5d87c/bin/uautomizer-Dbtcem3rbc/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc150d0-94d4-45fb-ac9f-941959b5d87c/bin/uautomizer-Dbtcem3rbc/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc150d0-94d4-45fb-ac9f-941959b5d87c/bin/uautomizer-Dbtcem3rbc/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc150d0-94d4-45fb-ac9f-941959b5d87c/bin/uautomizer-Dbtcem3rbc/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc150d0-94d4-45fb-ac9f-941959b5d87c/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc150d0-94d4-45fb-ac9f-941959b5d87c/bin/uautomizer-Dbtcem3rbc --witnessprinter.witness.filename witness.graphml --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 263a891a69e751217ac30b9b114998fc0120cc8bcbbdd67ab0f365106c54376d
--- Real Ultimate output ---
[0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset.
This is Ultimate 0.2.2-dev-5e519f3
[2022-11-02 20:05:07,369 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2022-11-02 20:05:07,375 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2022-11-02 20:05:07,407 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2022-11-02 20:05:07,407 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2022-11-02 20:05:07,408 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2022-11-02 20:05:07,410 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2022-11-02 20:05:07,412 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2022-11-02 20:05:07,413 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2022-11-02 20:05:07,414 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2022-11-02 20:05:07,415 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
[2022-11-02 20:05:07,417 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2022-11-02 20:05:07,417 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2022-11-02 20:05:07,418 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2022-11-02 20:05:07,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2022-11-02 20:05:07,421 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2022-11-02 20:05:07,422 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2022-11-02 20:05:07,423 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2022-11-02 20:05:07,425 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2022-11-02 20:05:07,427 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2022-11-02 20:05:07,428 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2022-11-02 20:05:07,430 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2022-11-02 20:05:07,431 INFO L181 SettingsManager]: Resetting Referee preferences to default values
[2022-11-02 20:05:07,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2022-11-02 20:05:07,436 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2022-11-02 20:05:07,436 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2022-11-02 20:05:07,437 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
[2022-11-02 20:05:07,438 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values
[2022-11-02 20:05:07,438 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2022-11-02 20:05:07,439 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring...
[2022-11-02 20:05:07,440 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
[2022-11-02 20:05:07,441 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2022-11-02 20:05:07,442 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values
[2022-11-02 20:05:07,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values
[2022-11-02 20:05:07,444 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2022-11-02 20:05:07,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values
[2022-11-02 20:05:07,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2022-11-02 20:05:07,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring...
[2022-11-02 20:05:07,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
[2022-11-02 20:05:07,446 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values
[2022-11-02 20:05:07,447 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2022-11-02 20:05:07,450 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc150d0-94d4-45fb-ac9f-941959b5d87c/bin/uautomizer-Dbtcem3rbc/config/svcomp-Termination-32bit-Automizer_Default.epf
[2022-11-02 20:05:07,488 INFO L113 SettingsManager]: Loading preferences was successful
[2022-11-02 20:05:07,493 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2022-11-02 20:05:07,494 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2022-11-02 20:05:07,494 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2022-11-02 20:05:07,495 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2022-11-02 20:05:07,496 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2022-11-02 20:05:07,496 INFO L138 SettingsManager]: * Use SBE=true
[2022-11-02 20:05:07,496 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults:
[2022-11-02 20:05:07,496 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3
[2022-11-02 20:05:07,497 INFO L138 SettingsManager]: * Use old map elimination=false
[2022-11-02 20:05:07,498 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false
[2022-11-02 20:05:07,498 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true
[2022-11-02 20:05:07,498 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES
[2022-11-02 20:05:07,499 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2022-11-02 20:05:07,499 INFO L138 SettingsManager]: * sizeof long=4
[2022-11-02 20:05:07,499 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2022-11-02 20:05:07,499 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2022-11-02 20:05:07,499 INFO L138 SettingsManager]: * sizeof POINTER=4
[2022-11-02 20:05:07,500 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2022-11-02 20:05:07,500 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME
[2022-11-02 20:05:07,500 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME
[2022-11-02 20:05:07,500 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME
[2022-11-02 20:05:07,500 INFO L138 SettingsManager]: * sizeof long double=12
[2022-11-02 20:05:07,501 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2022-11-02 20:05:07,501 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false
[2022-11-02 20:05:07,501 INFO L138 SettingsManager]: * Use constant arrays=true
[2022-11-02 20:05:07,501 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME
[2022-11-02 20:05:07,502 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2022-11-02 20:05:07,502 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2022-11-02 20:05:07,502 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2022-11-02 20:05:07,503 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2022-11-02 20:05:07,504 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults:
[2022-11-02 20:05:07,504 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc150d0-94d4-45fb-ac9f-941959b5d87c/bin/uautomizer-Dbtcem3rbc/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc150d0-94d4-45fb-ac9f-941959b5d87c/bin/uautomizer-Dbtcem3rbc
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 263a891a69e751217ac30b9b114998fc0120cc8bcbbdd67ab0f365106c54376d
[2022-11-02 20:05:07,777 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2022-11-02 20:05:07,808 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2022-11-02 20:05:07,810 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2022-11-02 20:05:07,812 INFO L271 PluginConnector]: Initializing CDTParser...
[2022-11-02 20:05:07,813 INFO L275 PluginConnector]: CDTParser initialized
[2022-11-02 20:05:07,814 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc150d0-94d4-45fb-ac9f-941959b5d87c/bin/uautomizer-Dbtcem3rbc/../../sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c
[2022-11-02 20:05:07,885 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc150d0-94d4-45fb-ac9f-941959b5d87c/bin/uautomizer-Dbtcem3rbc/data/f8a858a42/124c7a2c25484382813abd7d6d020321/FLAG4a3d89726
[2022-11-02 20:05:08,458 INFO L306 CDTParser]: Found 1 translation units.
[2022-11-02 20:05:08,459 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc150d0-94d4-45fb-ac9f-941959b5d87c/sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c
[2022-11-02 20:05:08,471 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc150d0-94d4-45fb-ac9f-941959b5d87c/bin/uautomizer-Dbtcem3rbc/data/f8a858a42/124c7a2c25484382813abd7d6d020321/FLAG4a3d89726
[2022-11-02 20:05:08,714 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc150d0-94d4-45fb-ac9f-941959b5d87c/bin/uautomizer-Dbtcem3rbc/data/f8a858a42/124c7a2c25484382813abd7d6d020321
[2022-11-02 20:05:08,717 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2022-11-02 20:05:08,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements.
[2022-11-02 20:05:08,720 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2022-11-02 20:05:08,720 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2022-11-02 20:05:08,735 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2022-11-02 20:05:08,736 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:05:08" (1/1) ...
[2022-11-02 20:05:08,737 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e6558d4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:08, skipping insertion in model container
[2022-11-02 20:05:08,737 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.11 08:05:08" (1/1) ...
[2022-11-02 20:05:08,745 INFO L145 MainTranslator]: Starting translation in SV-COMP mode
[2022-11-02 20:05:08,794 INFO L178 MainTranslator]: Built tables and reachable declarations
[2022-11-02 20:05:09,112 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc150d0-94d4-45fb-ac9f-941959b5d87c/sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c[17359,17372]
[2022-11-02 20:05:09,112 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:05:09,122 INFO L203 MainTranslator]: Completed pre-run
[2022-11-02 20:05:09,242 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc150d0-94d4-45fb-ac9f-941959b5d87c/sv-benchmarks/c/product-lines/minepump_spec3_product12.cil.c[17359,17372]
[2022-11-02 20:05:09,243 INFO L210 PostProcessor]: Analyzing one entry point: main
[2022-11-02 20:05:09,259 INFO L208 MainTranslator]: Completed translation
[2022-11-02 20:05:09,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:09 WrapperNode
[2022-11-02 20:05:09,260 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2022-11-02 20:05:09,261 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2022-11-02 20:05:09,261 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner...
[2022-11-02 20:05:09,262 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized
[2022-11-02 20:05:09,272 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:09" (1/1) ...
[2022-11-02 20:05:09,291 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:09" (1/1) ...
[2022-11-02 20:05:09,342 INFO L138 Inliner]: procedures = 52, calls = 150, calls flagged for inlining = 47, calls inlined = 38, statements flattened = 321
[2022-11-02 20:05:09,342 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2022-11-02 20:05:09,343 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2022-11-02 20:05:09,343 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2022-11-02 20:05:09,343 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2022-11-02 20:05:09,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:09" (1/1) ...
[2022-11-02 20:05:09,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:09" (1/1) ...
[2022-11-02 20:05:09,355 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:09" (1/1) ...
[2022-11-02 20:05:09,356 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:09" (1/1) ...
[2022-11-02 20:05:09,361 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:09" (1/1) ...
[2022-11-02 20:05:09,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:09" (1/1) ...
[2022-11-02 20:05:09,393 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:09" (1/1) ...
[2022-11-02 20:05:09,395 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:09" (1/1) ...
[2022-11-02 20:05:09,397 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2022-11-02 20:05:09,398 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2022-11-02 20:05:09,398 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2022-11-02 20:05:09,398 INFO L275 PluginConnector]: RCFGBuilder initialized
[2022-11-02 20:05:09,401 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:09" (1/1) ...
[2022-11-02 20:05:09,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000
[2022-11-02 20:05:09,427 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc150d0-94d4-45fb-ac9f-941959b5d87c/bin/uautomizer-Dbtcem3rbc/z3
[2022-11-02 20:05:09,439 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc150d0-94d4-45fb-ac9f-941959b5d87c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null)
[2022-11-02 20:05:09,463 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc150d0-94d4-45fb-ac9f-941959b5d87c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process
[2022-11-02 20:05:09,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2022-11-02 20:05:09,483 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2022-11-02 20:05:09,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2022-11-02 20:05:09,483 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2022-11-02 20:05:09,555 INFO L235 CfgBuilder]: Building ICFG
[2022-11-02 20:05:09,557 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation
[2022-11-02 20:05:09,821 INFO L276 CfgBuilder]: Performing block encoding
[2022-11-02 20:05:09,828 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2022-11-02 20:05:09,828 INFO L300 CfgBuilder]: Removed 2 assume(true) statements.
[2022-11-02 20:05:09,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:05:09 BoogieIcfgContainer
[2022-11-02 20:05:09,831 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2022-11-02 20:05:09,832 INFO L113 PluginConnector]: ------------------------BuchiAutomizer----------------------------
[2022-11-02 20:05:09,832 INFO L271 PluginConnector]: Initializing BuchiAutomizer...
[2022-11-02 20:05:09,837 INFO L275 PluginConnector]: BuchiAutomizer initialized
[2022-11-02 20:05:09,838 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-02 20:05:09,838 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 02.11 08:05:08" (1/3) ...
[2022-11-02 20:05:09,839 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f5ad47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:05:09, skipping insertion in model container
[2022-11-02 20:05:09,839 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-02 20:05:09,839 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.11 08:05:09" (2/3) ...
[2022-11-02 20:05:09,840 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5f5ad47a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 02.11 08:05:09, skipping insertion in model container
[2022-11-02 20:05:09,840 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis
[2022-11-02 20:05:09,840 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:05:09" (3/3) ...
[2022-11-02 20:05:09,841 INFO L332 chiAutomizerObserver]: Analyzing ICFG minepump_spec3_product12.cil.c
[2022-11-02 20:05:09,928 INFO L303 stractBuchiCegarLoop]: Interprodecural is true
[2022-11-02 20:05:09,929 INFO L304 stractBuchiCegarLoop]: Hoare is false
[2022-11-02 20:05:09,929 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates
[2022-11-02 20:05:09,929 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE
[2022-11-02 20:05:09,929 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2022-11-02 20:05:09,929 INFO L308 stractBuchiCegarLoop]: Difference is false
[2022-11-02 20:05:09,929 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA
[2022-11-02 20:05:09,930 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ========
[2022-11-02 20:05:09,936 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 86 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 85 states have internal predecessors, (117), 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)
[2022-11-02 20:05:09,971 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55
[2022-11-02 20:05:09,972 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 20:05:09,972 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 20:05:09,988 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:05:09,988 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:05:09,988 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============
[2022-11-02 20:05:09,990 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 86 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 85 states have internal predecessors, (117), 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)
[2022-11-02 20:05:10,005 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 55
[2022-11-02 20:05:10,005 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 20:05:10,005 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 20:05:10,006 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:05:10,007 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:05:10,019 INFO L748 eck$LassoCheckResult]: Stem: 65#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 54#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 38#L421true assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 72#L414true assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 19#L429true main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 53#L882true assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 59#L859true assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 84#L104-2true
[2022-11-02 20:05:10,021 INFO L750 eck$LassoCheckResult]: Loop: 84#L104-2true assume !false; 24#L105true assume test_~splverifierCounter~0#1 < 4; 61#L106true test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 69#L114true assume !(0 != test_~tmp~1#1); 55#L114-2true test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 18#L124true assume !(0 != test_~tmp___0~1#1); 80#L124-2true test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 70#L134true assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 42#L142true assume !(0 != test_~tmp___1~1#1); 35#L142-2true assume { :begin_inline_timeShift } true; 6#L175true assume !(0 != ~pumpRunning~0); 10#L175-2true assume !(0 != ~systemActive~0); 85#L182-1true assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 32#L359true __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 7#L63true assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 75#L69-1true assume { :end_inline___utac_acc__Specification3_spec__1 } true; 34#L192true assume { :end_inline_timeShift } true; 84#L104-2true
[2022-11-02 20:05:10,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:05:10,034 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 1 times
[2022-11-02 20:05:10,044 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:05:10,045 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811817558]
[2022-11-02 20:05:10,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:05:10,046 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:05:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:05:10,308 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:05:10,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:05:10,385 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:05:10,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:05:10,389 INFO L85 PathProgramCache]: Analyzing trace with hash 522900833, now seen corresponding path program 1 times
[2022-11-02 20:05:10,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:05:10,389 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [377399739]
[2022-11-02 20:05:10,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:05:10,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:05:10,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:05:10,399 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:05:10,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:05:10,409 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:05:10,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:05:10,411 INFO L85 PathProgramCache]: Analyzing trace with hash -408780771, now seen corresponding path program 1 times
[2022-11-02 20:05:10,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:05:10,412 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1614274375]
[2022-11-02 20:05:10,412 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:05:10,412 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:05:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:05:10,742 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:05:10,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:05:10,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1614274375]
[2022-11-02 20:05:10,744 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1614274375] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:05:10,744 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:05:10,744 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2022-11-02 20:05:10,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1179338855]
[2022-11-02 20:05:10,745 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:05:10,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:05:11,008 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2022-11-02 20:05:11,008 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2022-11-02 20:05:11,015 INFO L87 Difference]: Start difference. First operand has 86 states, 85 states have (on average 1.3764705882352941) internal successors, (117), 85 states have internal predecessors, (117), 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 6 states, 6 states have (on average 4.0) internal successors, (24), 5 states have internal predecessors, (24), 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)
[2022-11-02 20:05:11,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:05:11,216 INFO L93 Difference]: Finished difference Result 303 states and 386 transitions.
[2022-11-02 20:05:11,218 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 303 states and 386 transitions.
[2022-11-02 20:05:11,233 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 194
[2022-11-02 20:05:11,240 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 303 states to 263 states and 346 transitions.
[2022-11-02 20:05:11,241 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 263
[2022-11-02 20:05:11,242 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 263
[2022-11-02 20:05:11,243 INFO L73 IsDeterministic]: Start isDeterministic. Operand 263 states and 346 transitions.
[2022-11-02 20:05:11,244 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:05:11,244 INFO L218 hiAutomatonCegarLoop]: Abstraction has 263 states and 346 transitions.
[2022-11-02 20:05:11,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 263 states and 346 transitions.
[2022-11-02 20:05:11,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 263 to 131.
[2022-11-02 20:05:11,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 131 states have (on average 1.3206106870229009) internal successors, (173), 130 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)
[2022-11-02 20:05:11,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 173 transitions.
[2022-11-02 20:05:11,333 INFO L240 hiAutomatonCegarLoop]: Abstraction has 131 states and 173 transitions.
[2022-11-02 20:05:11,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2022-11-02 20:05:11,341 INFO L428 stractBuchiCegarLoop]: Abstraction has 131 states and 173 transitions.
[2022-11-02 20:05:11,341 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============
[2022-11-02 20:05:11,341 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 131 states and 173 transitions.
[2022-11-02 20:05:11,343 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 95
[2022-11-02 20:05:11,343 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 20:05:11,343 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 20:05:11,344 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:05:11,344 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:05:11,345 INFO L748 eck$LassoCheckResult]: Stem: 477#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 472#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 453#L421 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 454#L414 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 432#L429 main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 433#L882 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 471#L859 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 450#L104-2
[2022-11-02 20:05:11,345 INFO L750 eck$LassoCheckResult]: Loop: 450#L104-2 assume !false; 439#L105 assume test_~splverifierCounter~0#1 < 4; 440#L106 test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 475#L114 assume !(0 != test_~tmp~1#1); 473#L114-2 test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 430#L124 assume !(0 != test_~tmp___0~1#1); 428#L124-2 test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 479#L134 assume 0 != test_~tmp___2~0#1;assume { :begin_inline_startSystem } true;~systemActive~0 := 1; 480#L312 assume { :end_inline_startSystem } true; 451#L142-2 assume { :begin_inline_timeShift } true; 413#L175 assume !(0 != ~pumpRunning~0); 414#L175-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 420#L199 assume { :end_inline_processEnvironment } true; 476#L182-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 447#L359 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 416#L63 assume 0 != __utac_acc__Specification3_spec__1_~tmp~0#1; 417#L69-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 449#L192 assume { :end_inline_timeShift } true; 450#L104-2
[2022-11-02 20:05:11,346 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:05:11,346 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 2 times
[2022-11-02 20:05:11,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:05:11,347 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808853302]
[2022-11-02 20:05:11,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:05:11,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:05:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:05:11,363 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:05:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:05:11,379 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:05:11,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:05:11,380 INFO L85 PathProgramCache]: Analyzing trace with hash 1793647139, now seen corresponding path program 1 times
[2022-11-02 20:05:11,380 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:05:11,381 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962203662]
[2022-11-02 20:05:11,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:05:11,381 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:05:11,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:05:11,388 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:05:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:05:11,394 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:05:11,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:05:11,395 INFO L85 PathProgramCache]: Analyzing trace with hash -1318678809, now seen corresponding path program 1 times
[2022-11-02 20:05:11,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:05:11,396 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1168242054]
[2022-11-02 20:05:11,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:05:11,396 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:05:11,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2022-11-02 20:05:11,501 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2022-11-02 20:05:11,501 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2022-11-02 20:05:11,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1168242054]
[2022-11-02 20:05:11,502 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1168242054] provided 1 perfect and 0 imperfect interpolant sequences
[2022-11-02 20:05:11,502 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2022-11-02 20:05:11,502 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2022-11-02 20:05:11,502 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728004392]
[2022-11-02 20:05:11,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2022-11-02 20:05:11,648 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2022-11-02 20:05:11,652 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2022-11-02 20:05:11,654 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2022-11-02 20:05:11,655 INFO L87 Difference]: Start difference. First operand 131 states and 173 transitions. cyclomatic complexity: 45 Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 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)
[2022-11-02 20:05:11,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization.
[2022-11-02 20:05:11,813 INFO L93 Difference]: Finished difference Result 435 states and 577 transitions.
[2022-11-02 20:05:11,813 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 435 states and 577 transitions.
[2022-11-02 20:05:11,830 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 337
[2022-11-02 20:05:11,835 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 435 states to 435 states and 577 transitions.
[2022-11-02 20:05:11,841 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 435
[2022-11-02 20:05:11,842 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 435
[2022-11-02 20:05:11,844 INFO L73 IsDeterministic]: Start isDeterministic. Operand 435 states and 577 transitions.
[2022-11-02 20:05:11,847 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2022-11-02 20:05:11,850 INFO L218 hiAutomatonCegarLoop]: Abstraction has 435 states and 577 transitions.
[2022-11-02 20:05:11,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 435 states and 577 transitions.
[2022-11-02 20:05:11,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 435 to 255.
[2022-11-02 20:05:11,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 255 states have (on average 1.2980392156862746) internal successors, (331), 254 states have internal predecessors, (331), 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)
[2022-11-02 20:05:11,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 331 transitions.
[2022-11-02 20:05:11,890 INFO L240 hiAutomatonCegarLoop]: Abstraction has 255 states and 331 transitions.
[2022-11-02 20:05:11,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2022-11-02 20:05:11,898 INFO L428 stractBuchiCegarLoop]: Abstraction has 255 states and 331 transitions.
[2022-11-02 20:05:11,898 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============
[2022-11-02 20:05:11,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 255 states and 331 transitions.
[2022-11-02 20:05:11,900 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 190
[2022-11-02 20:05:11,900 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false
[2022-11-02 20:05:11,901 INFO L119 BuchiIsEmpty]: Starting construction of run
[2022-11-02 20:05:11,901 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1]
[2022-11-02 20:05:11,901 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]
[2022-11-02 20:05:11,902 INFO L748 eck$LassoCheckResult]: Stem: 1076#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;assume 0 == #valid[0];assume 0 < #StackHeapBarrier;call #Ultimate.allocInit(2, 1);call write~init~int(48, 1, 0, 1);call write~init~int(0, 1, 1, 1);call #Ultimate.allocInit(31, 2);call #Ultimate.allocInit(12, 3);call #Ultimate.allocInit(13, 4);call #Ultimate.allocInit(3, 5);call write~init~int(79, 5, 0, 1);call write~init~int(110, 5, 1, 1);call write~init~int(0, 5, 2, 1);call #Ultimate.allocInit(4, 6);call write~init~int(79, 6, 0, 1);call write~init~int(102, 6, 1, 1);call write~init~int(102, 6, 2, 1);call write~init~int(0, 6, 3, 1);call #Ultimate.allocInit(7, 7);call write~init~int(44, 7, 0, 1);call write~init~int(80, 7, 1, 1);call write~init~int(117, 7, 2, 1);call write~init~int(109, 7, 3, 1);call write~init~int(112, 7, 4, 1);call write~init~int(58, 7, 5, 1);call write~init~int(0, 7, 6, 1);call #Ultimate.allocInit(3, 8);call write~init~int(79, 8, 0, 1);call write~init~int(110, 8, 1, 1);call write~init~int(0, 8, 2, 1);call #Ultimate.allocInit(4, 9);call write~init~int(79, 9, 0, 1);call write~init~int(102, 9, 1, 1);call write~init~int(102, 9, 2, 1);call write~init~int(0, 9, 3, 1);call #Ultimate.allocInit(3, 10);call write~init~int(41, 10, 0, 1);call write~init~int(32, 10, 1, 1);call write~init~int(0, 10, 2, 1);call #Ultimate.allocInit(2, 11);call write~init~int(10, 11, 0, 1);call write~init~int(0, 11, 1, 1);call #Ultimate.allocInit(13, 12);call #Ultimate.allocInit(7, 13);call write~init~int(44, 13, 0, 1);call write~init~int(77, 13, 1, 1);call write~init~int(101, 13, 2, 1);call write~init~int(116, 13, 3, 1);call write~init~int(104, 13, 4, 1);call write~init~int(58, 13, 5, 1);call write~init~int(0, 13, 6, 1);call #Ultimate.allocInit(5, 14);call write~init~int(67, 14, 0, 1);call write~init~int(82, 14, 1, 1);call write~init~int(73, 14, 2, 1);call write~init~int(84, 14, 3, 1);call write~init~int(0, 14, 4, 1);call #Ultimate.allocInit(3, 15);call write~init~int(79, 15, 0, 1);call write~init~int(75, 15, 1, 1);call write~init~int(0, 15, 2, 1);call #Ultimate.allocInit(2, 16);call write~init~int(41, 16, 0, 1);call write~init~int(0, 16, 1, 1);call #Ultimate.allocInit(30, 17);call #Ultimate.allocInit(9, 18);call #Ultimate.allocInit(21, 19);call #Ultimate.allocInit(30, 20);call #Ultimate.allocInit(9, 21);call #Ultimate.allocInit(21, 22);call #Ultimate.allocInit(30, 23);call #Ultimate.allocInit(9, 24);call #Ultimate.allocInit(25, 25);call #Ultimate.allocInit(30, 26);call #Ultimate.allocInit(9, 27);call #Ultimate.allocInit(25, 28);~pumpRunning~0 := 0;~systemActive~0 := 1;~waterLevel~0 := 1;~methaneLevelCritical~0 := 0;~head~0.base, ~head~0.offset := 0, 0;~cleanupTimeShifts~0 := 4; 1064#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~ret50#1, main_~retValue_acc~9#1, main_~tmp~6#1;havoc main_~retValue_acc~9#1;havoc main_~tmp~6#1;assume { :begin_inline_select_helpers } true; 1042#L421 assume { :end_inline_select_helpers } true;assume { :begin_inline_select_features } true; 1043#L414 assume { :end_inline_select_features } true;assume { :begin_inline_valid_product } true;havoc valid_product_#res#1;havoc valid_product_~retValue_acc~5#1;havoc valid_product_~retValue_acc~5#1;valid_product_~retValue_acc~5#1 := 1;valid_product_#res#1 := valid_product_~retValue_acc~5#1; 1017#L429 main_#t~ret50#1 := valid_product_#res#1;assume { :end_inline_valid_product } true;main_~tmp~6#1 := main_#t~ret50#1;havoc main_#t~ret50#1; 1018#L882 assume 0 != main_~tmp~6#1;assume { :begin_inline_setup } true; 1063#L859 assume { :end_inline_setup } true;assume { :begin_inline_runTest } true;assume { :begin_inline_test } true;havoc test_#t~nondet7#1, test_#t~nondet8#1, test_#t~nondet9#1, test_#t~nondet10#1, test_~splverifierCounter~0#1, test_~tmp~1#1, test_~tmp___0~1#1, test_~tmp___1~1#1, test_~tmp___2~0#1;havoc test_~splverifierCounter~0#1;havoc test_~tmp~1#1;havoc test_~tmp___0~1#1;havoc test_~tmp___1~1#1;havoc test_~tmp___2~0#1;test_~splverifierCounter~0#1 := 0; 1071#L104-2
[2022-11-02 20:05:11,902 INFO L750 eck$LassoCheckResult]: Loop: 1071#L104-2 assume !false; 1093#L105 assume test_~splverifierCounter~0#1 < 4; 1166#L106 test_~tmp~1#1 := test_#t~nondet7#1;havoc test_#t~nondet7#1; 1165#L114 assume !(0 != test_~tmp~1#1); 1164#L114-2 test_~tmp___0~1#1 := test_#t~nondet8#1;havoc test_#t~nondet8#1; 1015#L124 assume !(0 != test_~tmp___0~1#1); 1012#L124-2 test_~tmp___2~0#1 := test_#t~nondet9#1;havoc test_#t~nondet9#1; 1090#L134 assume !(0 != test_~tmp___2~0#1);test_~tmp___1~1#1 := test_#t~nondet10#1;havoc test_#t~nondet10#1; 1049#L142 assume !(0 != test_~tmp___1~1#1); 1040#L142-2 assume { :begin_inline_timeShift } true; 998#L175 assume !(0 != ~pumpRunning~0); 999#L175-2 assume 0 != ~systemActive~0;assume { :begin_inline_processEnvironment } true; 1004#L199 assume { :end_inline_processEnvironment } true; 1073#L182-1 assume { :begin_inline___utac_acc__Specification3_spec__1 } true;havoc __utac_acc__Specification3_spec__1_#t~ret4#1, __utac_acc__Specification3_spec__1_#t~ret5#1, __utac_acc__Specification3_spec__1_#t~ret6#1, __utac_acc__Specification3_spec__1_~tmp~0#1, __utac_acc__Specification3_spec__1_~tmp___0~0#1, __utac_acc__Specification3_spec__1_~tmp___1~0#1;havoc __utac_acc__Specification3_spec__1_~tmp~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___0~0#1;havoc __utac_acc__Specification3_spec__1_~tmp___1~0#1;assume { :begin_inline_isMethaneLevelCritical } true;havoc isMethaneLevelCritical_#res#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;havoc isMethaneLevelCritical_~retValue_acc~2#1;isMethaneLevelCritical_~retValue_acc~2#1 := ~methaneLevelCritical~0;isMethaneLevelCritical_#res#1 := isMethaneLevelCritical_~retValue_acc~2#1; 1094#L359 __utac_acc__Specification3_spec__1_#t~ret4#1 := isMethaneLevelCritical_#res#1;assume { :end_inline_isMethaneLevelCritical } true;__utac_acc__Specification3_spec__1_~tmp~0#1 := __utac_acc__Specification3_spec__1_#t~ret4#1;havoc __utac_acc__Specification3_spec__1_#t~ret4#1; 1001#L63 assume !(0 != __utac_acc__Specification3_spec__1_~tmp~0#1);assume { :begin_inline_getWaterLevel } true;havoc getWaterLevel_#res#1;havoc getWaterLevel_~retValue_acc~3#1;havoc getWaterLevel_~retValue_acc~3#1;getWaterLevel_~retValue_acc~3#1 := ~waterLevel~0;getWaterLevel_#res#1 := getWaterLevel_~retValue_acc~3#1; 1002#L391 __utac_acc__Specification3_spec__1_#t~ret5#1 := getWaterLevel_#res#1;assume { :end_inline_getWaterLevel } true;__utac_acc__Specification3_spec__1_~tmp___0~0#1 := __utac_acc__Specification3_spec__1_#t~ret5#1;havoc __utac_acc__Specification3_spec__1_#t~ret5#1; 1025#L69 assume !(2 == __utac_acc__Specification3_spec__1_~tmp___0~0#1); 1169#L69-1 assume { :end_inline___utac_acc__Specification3_spec__1 } true; 1168#L192 assume { :end_inline_timeShift } true; 1071#L104-2
[2022-11-02 20:05:11,903 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:05:11,903 INFO L85 PathProgramCache]: Analyzing trace with hash 1803949509, now seen corresponding path program 3 times
[2022-11-02 20:05:11,903 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:05:11,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1940491336]
[2022-11-02 20:05:11,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:05:11,904 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:05:11,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:05:11,914 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:05:11,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:05:11,926 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:05:11,927 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:05:11,927 INFO L85 PathProgramCache]: Analyzing trace with hash -1730824696, now seen corresponding path program 1 times
[2022-11-02 20:05:11,927 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:05:11,927 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [349746785]
[2022-11-02 20:05:11,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:05:11,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:05:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:05:11,933 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:05:11,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:05:11,938 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:05:11,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier
[2022-11-02 20:05:11,939 INFO L85 PathProgramCache]: Analyzing trace with hash 916144588, now seen corresponding path program 1 times
[2022-11-02 20:05:11,939 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2022-11-02 20:05:11,940 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091036894]
[2022-11-02 20:05:11,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2022-11-02 20:05:11,940 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2022-11-02 20:05:11,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:05:11,953 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:05:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:05:11,984 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2022-11-02 20:05:15,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:05:15,675 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2022-11-02 20:05:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2022-11-02 20:05:15,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 02.11 08:05:15 BoogieIcfgContainer
[2022-11-02 20:05:15,756 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer----------------------------
[2022-11-02 20:05:15,757 INFO L113 PluginConnector]: ------------------------Witness Printer----------------------------
[2022-11-02 20:05:15,757 INFO L271 PluginConnector]: Initializing Witness Printer...
[2022-11-02 20:05:15,757 INFO L275 PluginConnector]: Witness Printer initialized
[2022-11-02 20:05:15,758 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.11 08:05:09" (3/4) ...
[2022-11-02 20:05:15,760 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample
[2022-11-02 20:05:15,806 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc150d0-94d4-45fb-ac9f-941959b5d87c/bin/uautomizer-Dbtcem3rbc/witness.graphml
[2022-11-02 20:05:15,806 INFO L132 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2022-11-02 20:05:15,812 INFO L158 Benchmark]: Toolchain (without parser) took 7094.32ms. Allocated memory was 98.6MB in the beginning and 157.3MB in the end (delta: 58.7MB). Free memory was 60.2MB in the beginning and 59.8MB in the end (delta: 390.7kB). Peak memory consumption was 59.0MB. Max. memory is 16.1GB.
[2022-11-02 20:05:15,813 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory was 77.3MB in the beginning and 77.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2022-11-02 20:05:15,813 INFO L158 Benchmark]: CACSL2BoogieTranslator took 540.99ms. Allocated memory is still 98.6MB. Free memory was 59.9MB in the beginning and 67.9MB in the end (delta: -8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2022-11-02 20:05:15,814 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.33ms. Allocated memory is still 98.6MB. Free memory was 67.9MB in the beginning and 65.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:05:15,814 INFO L158 Benchmark]: Boogie Preprocessor took 54.02ms. Allocated memory is still 98.6MB. Free memory was 65.4MB in the beginning and 63.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:05:15,814 INFO L158 Benchmark]: RCFGBuilder took 433.18ms. Allocated memory is still 98.6MB. Free memory was 63.2MB in the beginning and 45.2MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2022-11-02 20:05:15,815 INFO L158 Benchmark]: BuchiAutomizer took 5924.42ms. Allocated memory was 98.6MB in the beginning and 157.3MB in the end (delta: 58.7MB). Free memory was 45.2MB in the beginning and 61.9MB in the end (delta: -16.7MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB.
[2022-11-02 20:05:15,815 INFO L158 Benchmark]: Witness Printer took 49.10ms. Allocated memory is still 157.3MB. Free memory was 61.9MB in the beginning and 59.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2022-11-02 20:05:15,817 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.29ms. Allocated memory is still 98.6MB. Free memory was 77.3MB in the beginning and 77.2MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 540.99ms. Allocated memory is still 98.6MB. Free memory was 59.9MB in the beginning and 67.9MB in the end (delta: -8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 81.33ms. Allocated memory is still 98.6MB. Free memory was 67.9MB in the beginning and 65.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 54.02ms. Allocated memory is still 98.6MB. Free memory was 65.4MB in the beginning and 63.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 433.18ms. Allocated memory is still 98.6MB. Free memory was 63.2MB in the beginning and 45.2MB in the end (delta: 18.0MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
* BuchiAutomizer took 5924.42ms. Allocated memory was 98.6MB in the beginning and 157.3MB in the end (delta: 58.7MB). Free memory was 45.2MB in the beginning and 61.9MB in the end (delta: -16.7MB). Peak memory consumption was 42.5MB. Max. memory is 16.1GB.
* Witness Printer took 49.10ms. Allocated memory is still 157.3MB. Free memory was 61.9MB in the beginning and 59.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Constructed decomposition of program
Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic) and one nonterminating remainder module.2 modules have a trivial ranking function, the largest among these consists of 6 locations. The remainder module has 255 locations.
- StatisticsResult: Timing statistics
BüchiAutomizer plugin needed 5.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 5.0s. Construction of modules took 0.1s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.1s AutomataMinimizationTime, 2 MinimizatonAttempts, 312 StatesRemovedByMinimization, 2 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, 876 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 876 mSDsluCounter, 1341 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1105 mSDsCounter, 29 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 93 IncrementalHoareTripleChecker+Invalid, 122 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 29 mSolverCounterUnsat, 236 mSDtfsCounter, 93 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc2 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: 104]: Nontermination argument in form of an infinite program execution.
Nontermination argument in form of an infinite program execution.
Stem:
[L168] int pumpRunning = 0;
[L169] int systemActive = 1;
[L316] int waterLevel = 1;
[L317] int methaneLevelCritical = 0;
[L603] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L800] int cleanupTimeShifts = 4;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L873] int retValue_acc ;
[L874] int tmp ;
[L878] FCALL select_helpers()
[L879] FCALL select_features()
[L880] CALL, EXPR valid_product()
[L425] int retValue_acc ;
[L428] retValue_acc = 1
[L429] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L880] RET, EXPR valid_product()
[L880] tmp = valid_product()
[L882] COND TRUE \read(tmp)
[L884] FCALL setup()
[L885] CALL runTest()
[L867] CALL test()
[L95] int splverifierCounter ;
[L96] int tmp ;
[L97] int tmp___0 ;
[L98] int tmp___1 ;
[L99] int tmp___2 ;
[L102] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L104] COND TRUE 1
[L106] COND TRUE splverifierCounter < 4
[L112] tmp = __VERIFIER_nondet_int()
[L114] COND FALSE !(\read(tmp))
[L122] tmp___0 = __VERIFIER_nondet_int()
[L124] COND FALSE !(\read(tmp___0))
[L132] tmp___2 = __VERIFIER_nondet_int()
[L134] COND FALSE !(\read(tmp___2))
[L140] tmp___1 = __VERIFIER_nondet_int()
[L142] COND FALSE !(\read(tmp___1))
[L151] CALL timeShift()
[L175] COND FALSE !(\read(pumpRunning))
[L182] COND TRUE \read(systemActive)
[L184] FCALL processEnvironment()
[L190] CALL __utac_acc__Specification3_spec__1()
[L55] int tmp ;
[L56] int tmp___0 ;
[L57] int tmp___1 ;
[L61] CALL, EXPR isMethaneLevelCritical()
[L355] int retValue_acc ;
[L358] retValue_acc = methaneLevelCritical
[L359] return (retValue_acc);
[L61] RET, EXPR isMethaneLevelCritical()
[L61] tmp = isMethaneLevelCritical()
[L63] COND FALSE !(\read(tmp))
[L67] CALL, EXPR getWaterLevel()
[L387] int retValue_acc ;
[L390] retValue_acc = waterLevel
[L391] return (retValue_acc);
[L67] RET, EXPR getWaterLevel()
[L67] tmp___0 = getWaterLevel()
[L69] COND FALSE !(tmp___0 == 2)
[L190] RET __utac_acc__Specification3_spec__1()
[L151] RET timeShift()
End of lasso representation.
- StatisticsResult: NonterminationArgumentStatistics
Fixpoint
- NonterminatingLassoResult [Line: 104]: Nonterminating execution
Found a nonterminating execution for the following lasso shaped sequence of statements.
Stem:
[L168] int pumpRunning = 0;
[L169] int systemActive = 1;
[L316] int waterLevel = 1;
[L317] int methaneLevelCritical = 0;
[L603] static struct __ACC__ERR *head = (struct __ACC__ERR *)0;
[L800] int cleanupTimeShifts = 4;
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L873] int retValue_acc ;
[L874] int tmp ;
[L878] FCALL select_helpers()
[L879] FCALL select_features()
[L880] CALL, EXPR valid_product()
[L425] int retValue_acc ;
[L428] retValue_acc = 1
[L429] return (retValue_acc);
VAL [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L880] RET, EXPR valid_product()
[L880] tmp = valid_product()
[L882] COND TRUE \read(tmp)
[L884] FCALL setup()
[L885] CALL runTest()
[L867] CALL test()
[L95] int splverifierCounter ;
[L96] int tmp ;
[L97] int tmp___0 ;
[L98] int tmp___1 ;
[L99] int tmp___2 ;
[L102] splverifierCounter = 0
VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
Loop:
[L104] COND TRUE 1
[L106] COND TRUE splverifierCounter < 4
[L112] tmp = __VERIFIER_nondet_int()
[L114] COND FALSE !(\read(tmp))
[L122] tmp___0 = __VERIFIER_nondet_int()
[L124] COND FALSE !(\read(tmp___0))
[L132] tmp___2 = __VERIFIER_nondet_int()
[L134] COND FALSE !(\read(tmp___2))
[L140] tmp___1 = __VERIFIER_nondet_int()
[L142] COND FALSE !(\read(tmp___1))
[L151] CALL timeShift()
[L175] COND FALSE !(\read(pumpRunning))
[L182] COND TRUE \read(systemActive)
[L184] FCALL processEnvironment()
[L190] CALL __utac_acc__Specification3_spec__1()
[L55] int tmp ;
[L56] int tmp___0 ;
[L57] int tmp___1 ;
[L61] CALL, EXPR isMethaneLevelCritical()
[L355] int retValue_acc ;
[L358] retValue_acc = methaneLevelCritical
[L359] return (retValue_acc);
[L61] RET, EXPR isMethaneLevelCritical()
[L61] tmp = isMethaneLevelCritical()
[L63] COND FALSE !(\read(tmp))
[L67] CALL, EXPR getWaterLevel()
[L387] int retValue_acc ;
[L390] retValue_acc = waterLevel
[L391] return (retValue_acc);
[L67] RET, EXPR getWaterLevel()
[L67] tmp___0 = getWaterLevel()
[L69] COND FALSE !(tmp___0 == 2)
[L190] RET __utac_acc__Specification3_spec__1()
[L151] RET timeShift()
End of lasso representation.
RESULT: Ultimate proved your program to be incorrect!
[2022-11-02 20:05:15,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bbc150d0-94d4-45fb-ac9f-941959b5d87c/bin/uautomizer-Dbtcem3rbc/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE(TERM)