./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1f55fffdfb523946c08e4798dfd7a981dcf70594f408e958cce4b1b6e97bd924
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:56:12,994 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:56:13,073 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 07:56:13,079 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:56:13,079 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:56:13,110 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:56:13,111 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:56:13,112 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:56:13,112 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:56:13,113 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:56:13,114 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:56:13,115 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 07:56:13,115 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-19 07:56:13,116 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:56:13,117 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:56:13,117 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-19 07:56:13,118 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 07:56:13,118 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-19 07:56:13,119 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 07:56:13,119 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:56:13,120 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:56:13,121 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:56:13,121 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-19 07:56:13,122 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 07:56:13,122 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 07:56:13,123 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:56:13,123 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-19 07:56:13,124 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-19 07:56:13,124 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:56:13,125 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:56:13,125 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:56:13,126 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:56:13,126 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-19 07:56:13,126 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:56:13,127 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:56:13,127 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:56:13,128 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:56:13,128 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:56:13,129 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:56:13,129 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
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_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/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_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu
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(G ! call(reach_error())) )


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 -> 1f55fffdfb523946c08e4798dfd7a981dcf70594f408e958cce4b1b6e97bd924
[2023-11-19 07:56:13,452 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:56:13,486 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:56:13,489 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:56:13,491 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 07:56:13,492 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 07:56:13,493 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c
[2023-11-19 07:56:16,827 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:56:17,213 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 07:56:17,214 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c
[2023-11-19 07:56:17,237 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/data/9c6580239/4be7c398c0054f8a980b705e6e7eb7b7/FLAG1f6494882
[2023-11-19 07:56:17,259 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/data/9c6580239/4be7c398c0054f8a980b705e6e7eb7b7
[2023-11-19 07:56:17,265 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:56:17,267 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:56:17,271 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:56:17,271 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:56:17,277 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:56:17,279 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:17" (1/1) ...
[2023-11-19 07:56:17,280 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62ee94e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:17, skipping insertion in model container
[2023-11-19 07:56:17,281 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:56:17" (1/1) ...
[2023-11-19 07:56:17,352 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:56:17,556 WARN  L240   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_231d2263-e140-44c2-912c-1ec24342c2db/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c[1605,1618]
[2023-11-19 07:56:17,678 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:56:17,691 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 07:56:17,701 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [49]
[2023-11-19 07:56:17,703 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58]
[2023-11-19 07:56:17,703 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [127]
[2023-11-19 07:56:17,704 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [493]
[2023-11-19 07:56:17,704 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [726]
[2023-11-19 07:56:17,704 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [765]
[2023-11-19 07:56:17,704 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [865]
[2023-11-19 07:56:17,704 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [969]
[2023-11-19 07:56:17,709 WARN  L240   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_231d2263-e140-44c2-912c-1ec24342c2db/sv-benchmarks/c/product-lines/minepump_spec2_product53.cil.c[1605,1618]
[2023-11-19 07:56:17,770 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:56:17,793 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 07:56:17,793 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:17 WrapperNode
[2023-11-19 07:56:17,793 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:56:17,795 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:56:17,795 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:56:17,795 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:56:17,803 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:17" (1/1) ...
[2023-11-19 07:56:17,834 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:17" (1/1) ...
[2023-11-19 07:56:17,863 INFO  L138                Inliner]: procedures = 57, calls = 103, calls flagged for inlining = 23, calls inlined = 20, statements flattened = 224
[2023-11-19 07:56:17,864 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:56:17,865 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:56:17,865 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:56:17,865 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:56:17,876 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:17" (1/1) ...
[2023-11-19 07:56:17,876 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:17" (1/1) ...
[2023-11-19 07:56:17,879 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:17" (1/1) ...
[2023-11-19 07:56:17,879 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:17" (1/1) ...
[2023-11-19 07:56:17,886 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:17" (1/1) ...
[2023-11-19 07:56:17,890 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:17" (1/1) ...
[2023-11-19 07:56:17,893 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:17" (1/1) ...
[2023-11-19 07:56:17,894 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:17" (1/1) ...
[2023-11-19 07:56:17,898 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:56:17,899 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:56:17,899 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:56:17,899 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:56:17,900 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:17" (1/1) ...
[2023-11-19 07:56:17,923 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:56:17,943 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:56:17,958 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:56:17,995 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:56:18,008 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:56:18,008 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2023-11-19 07:56:18,008 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2023-11-19 07:56:18,009 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2023-11-19 07:56:18,011 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2023-11-19 07:56:18,012 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2023-11-19 07:56:18,012 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2023-11-19 07:56:18,012 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2023-11-19 07:56:18,012 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2023-11-19 07:56:18,013 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor
[2023-11-19 07:56:18,013 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor
[2023-11-19 07:56:18,013 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2023-11-19 07:56:18,013 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2023-11-19 07:56:18,013 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor
[2023-11-19 07:56:18,014 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor
[2023-11-19 07:56:18,014 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2023-11-19 07:56:18,014 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2023-11-19 07:56:18,015 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:56:18,016 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-11-19 07:56:18,016 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-11-19 07:56:18,017 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:56:18,017 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:56:18,120 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 07:56:18,123 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:56:18,587 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 07:56:18,600 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:56:18,603 INFO  L302             CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:56:18,608 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:18 BoogieIcfgContainer
[2023-11-19 07:56:18,608 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:56:18,612 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:56:18,612 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:56:18,615 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:56:18,616 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:56:17" (1/3) ...
[2023-11-19 07:56:18,617 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14551415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:18, skipping insertion in model container
[2023-11-19 07:56:18,617 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:56:17" (2/3) ...
[2023-11-19 07:56:18,617 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14551415 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:56:18, skipping insertion in model container
[2023-11-19 07:56:18,617 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:18" (3/3) ...
[2023-11-19 07:56:18,619 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec2_product53.cil.c
[2023-11-19 07:56:18,641 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:56:18,643 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:56:18,730 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:56:18,738 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3eb0ca54, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:56:18,739 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:56:18,744 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 102 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16)
[2023-11-19 07:56:18,760 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2023-11-19 07:56:18,760 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:56:18,761 INFO  L195           NwaCegarLoop]: trace 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]
[2023-11-19 07:56:18,762 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:56:18,771 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:18,771 INFO  L85        PathProgramCache]: Analyzing trace with hash 270425168, now seen corresponding path program 1 times
[2023-11-19 07:56:18,782 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:18,783 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157763883]
[2023-11-19 07:56:18,783 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:18,784 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:18,947 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:19,068 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2023-11-19 07:56:19,076 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:19,091 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:19,092 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:19,092 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157763883]
[2023-11-19 07:56:19,098 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157763883] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:19,099 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:19,099 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:56:19,101 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416434233]
[2023-11-19 07:56:19,102 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:19,106 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:56:19,107 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:19,156 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:56:19,158 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:56:19,162 INFO  L87              Difference]: Start difference. First operand  has 102 states, 75 states have (on average 1.3866666666666667) internal successors, (104), 85 states have internal predecessors, (104), 16 states have call successors, (16), 9 states have call predecessors, (16), 9 states have return successors, (16), 11 states have call predecessors, (16), 16 states have call successors, (16) Second operand  has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:56:19,239 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:19,240 INFO  L93              Difference]: Finished difference Result 195 states and 266 transitions.
[2023-11-19 07:56:19,241 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-19 07:56:19,242 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 25
[2023-11-19 07:56:19,242 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:19,251 INFO  L225             Difference]: With dead ends: 195
[2023-11-19 07:56:19,251 INFO  L226             Difference]: Without dead ends: 93
[2023-11-19 07:56:19,255 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:56:19,259 INFO  L413           NwaCegarLoop]: 130 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 130 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:19,260 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:56:19,277 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 93 states.
[2023-11-19 07:56:19,306 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 93.
[2023-11-19 07:56:19,308 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 93 states, 68 states have (on average 1.3235294117647058) internal successors, (90), 77 states have internal predecessors, (90), 16 states have call successors, (16), 9 states have call predecessors, (16), 8 states have return successors, (15), 10 states have call predecessors, (15), 15 states have call successors, (15)
[2023-11-19 07:56:19,311 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 121 transitions.
[2023-11-19 07:56:19,313 INFO  L78                 Accepts]: Start accepts. Automaton has 93 states and 121 transitions. Word has length 25
[2023-11-19 07:56:19,313 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:19,313 INFO  L495      AbstractCegarLoop]: Abstraction has 93 states and 121 transitions.
[2023-11-19 07:56:19,314 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 10.5) internal successors, (21), 2 states have internal predecessors, (21), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:56:19,314 INFO  L276                IsEmpty]: Start isEmpty. Operand 93 states and 121 transitions.
[2023-11-19 07:56:19,317 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2023-11-19 07:56:19,318 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:56:19,318 INFO  L195           NwaCegarLoop]: trace 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]
[2023-11-19 07:56:19,318 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:56:19,319 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:56:19,319 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:19,319 INFO  L85        PathProgramCache]: Analyzing trace with hash -1281530714, now seen corresponding path program 1 times
[2023-11-19 07:56:19,320 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:19,320 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776444467]
[2023-11-19 07:56:19,320 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:19,321 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:19,346 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:19,533 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16
[2023-11-19 07:56:19,535 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:19,539 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:19,539 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:19,540 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776444467]
[2023-11-19 07:56:19,540 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776444467] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:19,540 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:19,540 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:56:19,541 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637250350]
[2023-11-19 07:56:19,541 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:19,542 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:56:19,542 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:19,551 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:56:19,551 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:56:19,552 INFO  L87              Difference]: Start difference. First operand 93 states and 121 transitions. Second operand  has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:56:19,593 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:19,593 INFO  L93              Difference]: Finished difference Result 151 states and 197 transitions.
[2023-11-19 07:56:19,594 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:56:19,594 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 26
[2023-11-19 07:56:19,594 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:19,598 INFO  L225             Difference]: With dead ends: 151
[2023-11-19 07:56:19,598 INFO  L226             Difference]: Without dead ends: 84
[2023-11-19 07:56:19,608 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:56:19,611 INFO  L413           NwaCegarLoop]: 108 mSDtfsCounter, 12 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:19,612 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 200 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:56:19,616 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2023-11-19 07:56:19,626 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84.
[2023-11-19 07:56:19,627 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 84 states, 62 states have (on average 1.3387096774193548) internal successors, (83), 71 states have internal predecessors, (83), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13)
[2023-11-19 07:56:19,640 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 109 transitions.
[2023-11-19 07:56:19,641 INFO  L78                 Accepts]: Start accepts. Automaton has 84 states and 109 transitions. Word has length 26
[2023-11-19 07:56:19,641 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:19,642 INFO  L495      AbstractCegarLoop]: Abstraction has 84 states and 109 transitions.
[2023-11-19 07:56:19,642 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 7.333333333333333) internal successors, (22), 3 states have internal predecessors, (22), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:56:19,643 INFO  L276                IsEmpty]: Start isEmpty. Operand 84 states and 109 transitions.
[2023-11-19 07:56:19,648 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2023-11-19 07:56:19,648 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:56:19,649 INFO  L195           NwaCegarLoop]: trace 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, 1, 1]
[2023-11-19 07:56:19,649 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:56:19,649 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:56:19,650 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:19,650 INFO  L85        PathProgramCache]: Analyzing trace with hash -1565936952, now seen corresponding path program 1 times
[2023-11-19 07:56:19,650 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:19,650 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004364574]
[2023-11-19 07:56:19,650 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:19,651 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:19,681 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:19,841 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:56:19,853 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:19,856 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:19,857 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:19,858 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004364574]
[2023-11-19 07:56:19,858 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004364574] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:19,858 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:19,858 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:56:19,859 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603395686]
[2023-11-19 07:56:19,859 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:19,859 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:56:19,860 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:19,860 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:56:19,861 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:56:19,861 INFO  L87              Difference]: Start difference. First operand 84 states and 109 transitions. Second operand  has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:56:20,058 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:20,059 INFO  L93              Difference]: Finished difference Result 160 states and 211 transitions.
[2023-11-19 07:56:20,059 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-19 07:56:20,060 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 30
[2023-11-19 07:56:20,060 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:20,062 INFO  L225             Difference]: With dead ends: 160
[2023-11-19 07:56:20,063 INFO  L226             Difference]: Without dead ends: 84
[2023-11-19 07:56:20,065 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-11-19 07:56:20,067 INFO  L413           NwaCegarLoop]: 102 mSDtfsCounter, 202 mSDsluCounter, 124 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:20,068 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 226 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:56:20,069 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 84 states.
[2023-11-19 07:56:20,083 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84.
[2023-11-19 07:56:20,084 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 84 states, 62 states have (on average 1.3225806451612903) internal successors, (82), 71 states have internal predecessors, (82), 13 states have call successors, (13), 8 states have call predecessors, (13), 8 states have return successors, (13), 8 states have call predecessors, (13), 13 states have call successors, (13)
[2023-11-19 07:56:20,085 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 108 transitions.
[2023-11-19 07:56:20,085 INFO  L78                 Accepts]: Start accepts. Automaton has 84 states and 108 transitions. Word has length 30
[2023-11-19 07:56:20,086 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:20,086 INFO  L495      AbstractCegarLoop]: Abstraction has 84 states and 108 transitions.
[2023-11-19 07:56:20,086 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 4.5) internal successors, (27), 6 states have internal predecessors, (27), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1)
[2023-11-19 07:56:20,087 INFO  L276                IsEmpty]: Start isEmpty. Operand 84 states and 108 transitions.
[2023-11-19 07:56:20,088 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 44
[2023-11-19 07:56:20,088 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:56:20,089 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:20,089 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:56:20,089 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:56:20,090 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:20,090 INFO  L85        PathProgramCache]: Analyzing trace with hash -2059110199, now seen corresponding path program 1 times
[2023-11-19 07:56:20,090 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:20,090 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1178150624]
[2023-11-19 07:56:20,091 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:20,091 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:20,128 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:20,200 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:56:20,203 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:20,209 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27
[2023-11-19 07:56:20,211 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:20,213 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33
[2023-11-19 07:56:20,215 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:20,218 INFO  L134       CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked.
[2023-11-19 07:56:20,218 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:20,218 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1178150624]
[2023-11-19 07:56:20,219 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1178150624] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:20,219 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:20,219 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2023-11-19 07:56:20,219 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74210559]
[2023-11-19 07:56:20,220 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:20,220 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2023-11-19 07:56:20,221 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:20,221 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2023-11-19 07:56:20,222 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2023-11-19 07:56:20,222 INFO  L87              Difference]: Start difference. First operand 84 states and 108 transitions. Second operand  has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-11-19 07:56:20,450 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:20,450 INFO  L93              Difference]: Finished difference Result 239 states and 313 transitions.
[2023-11-19 07:56:20,451 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-19 07:56:20,452 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 43
[2023-11-19 07:56:20,452 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:20,455 INFO  L225             Difference]: With dead ends: 239
[2023-11-19 07:56:20,455 INFO  L226             Difference]: Without dead ends: 163
[2023-11-19 07:56:20,456 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:56:20,458 INFO  L413           NwaCegarLoop]: 99 mSDtfsCounter, 166 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:20,459 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 215 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:56:20,460 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 163 states.
[2023-11-19 07:56:20,511 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 157.
[2023-11-19 07:56:20,516 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 157 states, 117 states have (on average 1.2991452991452992) internal successors, (152), 125 states have internal predecessors, (152), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30)
[2023-11-19 07:56:20,518 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 201 transitions.
[2023-11-19 07:56:20,521 INFO  L78                 Accepts]: Start accepts. Automaton has 157 states and 201 transitions. Word has length 43
[2023-11-19 07:56:20,522 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:20,522 INFO  L495      AbstractCegarLoop]: Abstraction has 157 states and 201 transitions.
[2023-11-19 07:56:20,522 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 8.5) internal successors, (34), 3 states have internal predecessors, (34), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3)
[2023-11-19 07:56:20,523 INFO  L276                IsEmpty]: Start isEmpty. Operand 157 states and 201 transitions.
[2023-11-19 07:56:20,525 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2023-11-19 07:56:20,529 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:56:20,530 INFO  L195           NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:20,530 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:56:20,530 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:56:20,531 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:20,531 INFO  L85        PathProgramCache]: Analyzing trace with hash 1486842068, now seen corresponding path program 1 times
[2023-11-19 07:56:20,532 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:20,532 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739224423]
[2023-11-19 07:56:20,532 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:20,533 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:20,597 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:20,767 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:56:20,776 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:20,798 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:56:20,811 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:20,871 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2023-11-19 07:56:20,873 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:20,878 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:20,878 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:20,879 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739224423]
[2023-11-19 07:56:20,879 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739224423] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:20,879 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:20,879 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:56:20,882 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451716975]
[2023-11-19 07:56:20,882 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:20,883 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:56:20,884 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:20,884 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:56:20,885 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:56:20,885 INFO  L87              Difference]: Start difference. First operand 157 states and 201 transitions. Second operand  has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3)
[2023-11-19 07:56:21,150 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:21,151 INFO  L93              Difference]: Finished difference Result 314 states and 410 transitions.
[2023-11-19 07:56:21,151 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-11-19 07:56:21,152 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49
[2023-11-19 07:56:21,153 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:21,160 INFO  L225             Difference]: With dead ends: 314
[2023-11-19 07:56:21,160 INFO  L226             Difference]: Without dead ends: 165
[2023-11-19 07:56:21,161 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90
[2023-11-19 07:56:21,165 INFO  L413           NwaCegarLoop]: 99 mSDtfsCounter, 69 mSDsluCounter, 322 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 166 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:21,167 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 421 Invalid, 166 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:56:21,171 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 165 states.
[2023-11-19 07:56:21,211 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 160.
[2023-11-19 07:56:21,212 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 160 states, 120 states have (on average 1.2916666666666667) internal successors, (155), 128 states have internal predecessors, (155), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30)
[2023-11-19 07:56:21,216 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 204 transitions.
[2023-11-19 07:56:21,216 INFO  L78                 Accepts]: Start accepts. Automaton has 160 states and 204 transitions. Word has length 49
[2023-11-19 07:56:21,219 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:21,219 INFO  L495      AbstractCegarLoop]: Abstraction has 160 states and 204 transitions.
[2023-11-19 07:56:21,220 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3)
[2023-11-19 07:56:21,221 INFO  L276                IsEmpty]: Start isEmpty. Operand 160 states and 204 transitions.
[2023-11-19 07:56:21,225 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2023-11-19 07:56:21,231 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:56:21,233 INFO  L195           NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:21,234 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:56:21,234 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:56:21,235 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:21,235 INFO  L85        PathProgramCache]: Analyzing trace with hash 1909543894, now seen corresponding path program 1 times
[2023-11-19 07:56:21,235 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:21,235 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304874]
[2023-11-19 07:56:21,236 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:21,236 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:21,264 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:21,361 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:56:21,369 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:21,391 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:56:21,397 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:21,427 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2023-11-19 07:56:21,428 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:21,433 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:21,433 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:21,434 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304874]
[2023-11-19 07:56:21,434 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304874] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:21,434 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:21,434 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:56:21,435 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1166312120]
[2023-11-19 07:56:21,435 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:21,435 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:56:21,436 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:21,438 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:56:21,439 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:56:21,439 INFO  L87              Difference]: Start difference. First operand 160 states and 204 transitions. Second operand  has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3)
[2023-11-19 07:56:21,625 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:21,625 INFO  L93              Difference]: Finished difference Result 322 states and 424 transitions.
[2023-11-19 07:56:21,626 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-19 07:56:21,626 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 49
[2023-11-19 07:56:21,627 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:21,630 INFO  L225             Difference]: With dead ends: 322
[2023-11-19 07:56:21,631 INFO  L226             Difference]: Without dead ends: 170
[2023-11-19 07:56:21,632 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:56:21,635 INFO  L413           NwaCegarLoop]: 101 mSDtfsCounter, 70 mSDsluCounter, 229 mSDsCounter, 0 mSdLazyCounter, 114 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 330 SdHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 114 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:21,638 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 330 Invalid, 131 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 114 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:56:21,642 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 170 states.
[2023-11-19 07:56:21,683 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 162.
[2023-11-19 07:56:21,684 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 162 states, 122 states have (on average 1.2868852459016393) internal successors, (157), 130 states have internal predecessors, (157), 19 states have call successors, (19), 15 states have call predecessors, (19), 20 states have return successors, (30), 21 states have call predecessors, (30), 19 states have call successors, (30)
[2023-11-19 07:56:21,686 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 206 transitions.
[2023-11-19 07:56:21,686 INFO  L78                 Accepts]: Start accepts. Automaton has 162 states and 206 transitions. Word has length 49
[2023-11-19 07:56:21,687 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:21,687 INFO  L495      AbstractCegarLoop]: Abstraction has 162 states and 206 transitions.
[2023-11-19 07:56:21,687 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3)
[2023-11-19 07:56:21,687 INFO  L276                IsEmpty]: Start isEmpty. Operand 162 states and 206 transitions.
[2023-11-19 07:56:21,689 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 50
[2023-11-19 07:56:21,689 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:56:21,689 INFO  L195           NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:21,690 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 07:56:21,690 INFO  L420      AbstractCegarLoop]: === Iteration 7 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:56:21,690 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:21,691 INFO  L85        PathProgramCache]: Analyzing trace with hash 104105560, now seen corresponding path program 1 times
[2023-11-19 07:56:21,691 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:21,691 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297097940]
[2023-11-19 07:56:21,691 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:21,692 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:21,715 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:21,841 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:56:21,846 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:21,862 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:56:21,866 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:21,884 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39
[2023-11-19 07:56:21,886 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:21,901 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:21,901 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:21,901 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297097940]
[2023-11-19 07:56:21,902 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297097940] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:21,902 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:21,902 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:56:21,902 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637056285]
[2023-11-19 07:56:21,903 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:21,903 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:56:21,903 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:21,904 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:56:21,904 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:56:21,905 INFO  L87              Difference]: Start difference. First operand 162 states and 206 transitions. Second operand  has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3)
[2023-11-19 07:56:22,222 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:22,222 INFO  L93              Difference]: Finished difference Result 451 states and 595 transitions.
[2023-11-19 07:56:22,223 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-11-19 07:56:22,223 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 49
[2023-11-19 07:56:22,224 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:22,229 INFO  L225             Difference]: With dead ends: 451
[2023-11-19 07:56:22,229 INFO  L226             Difference]: Without dead ends: 297
[2023-11-19 07:56:22,230 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42
[2023-11-19 07:56:22,234 INFO  L413           NwaCegarLoop]: 142 mSDtfsCounter, 222 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 229 SdHoareTripleChecker+Valid, 333 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:22,235 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [229 Valid, 333 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:56:22,237 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 297 states.
[2023-11-19 07:56:22,283 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 297 to 289.
[2023-11-19 07:56:22,285 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 289 states, 216 states have (on average 1.2638888888888888) internal successors, (273), 228 states have internal predecessors, (273), 36 states have call successors, (36), 33 states have call predecessors, (36), 36 states have return successors, (62), 37 states have call predecessors, (62), 36 states have call successors, (62)
[2023-11-19 07:56:22,288 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 289 states and 371 transitions.
[2023-11-19 07:56:22,288 INFO  L78                 Accepts]: Start accepts. Automaton has 289 states and 371 transitions. Word has length 49
[2023-11-19 07:56:22,288 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:22,289 INFO  L495      AbstractCegarLoop]: Abstraction has 289 states and 371 transitions.
[2023-11-19 07:56:22,289 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 8.4) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (4), 3 states have call predecessors, (4), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3)
[2023-11-19 07:56:22,289 INFO  L276                IsEmpty]: Start isEmpty. Operand 289 states and 371 transitions.
[2023-11-19 07:56:22,290 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 52
[2023-11-19 07:56:22,290 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:56:22,291 INFO  L195           NwaCegarLoop]: trace 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:22,291 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2023-11-19 07:56:22,291 INFO  L420      AbstractCegarLoop]: === Iteration 8 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:56:22,292 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:22,292 INFO  L85        PathProgramCache]: Analyzing trace with hash 528797415, now seen corresponding path program 1 times
[2023-11-19 07:56:22,292 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:22,292 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14024904]
[2023-11-19 07:56:22,292 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:22,293 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:22,317 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:22,435 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:56:22,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:22,447 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:56:22,450 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:22,457 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 8
[2023-11-19 07:56:22,458 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:22,462 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41
[2023-11-19 07:56:22,469 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:22,471 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:22,472 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:22,472 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14024904]
[2023-11-19 07:56:22,472 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [14024904] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:22,472 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:22,472 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:56:22,473 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859721380]
[2023-11-19 07:56:22,473 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:22,475 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:56:22,475 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:22,476 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:56:22,477 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:56:22,477 INFO  L87              Difference]: Start difference. First operand 289 states and 371 transitions. Second operand  has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:56:22,779 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:22,780 INFO  L93              Difference]: Finished difference Result 582 states and 757 transitions.
[2023-11-19 07:56:22,780 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. 
[2023-11-19 07:56:22,780 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 51
[2023-11-19 07:56:22,783 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:22,788 INFO  L225             Difference]: With dead ends: 582
[2023-11-19 07:56:22,788 INFO  L226             Difference]: Without dead ends: 301
[2023-11-19 07:56:22,789 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132
[2023-11-19 07:56:22,791 INFO  L413           NwaCegarLoop]: 83 mSDtfsCounter, 147 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:22,792 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 360 Invalid, 193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time]
[2023-11-19 07:56:22,793 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 301 states.
[2023-11-19 07:56:22,835 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 285.
[2023-11-19 07:56:22,836 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 285 states, 212 states have (on average 1.2311320754716981) internal successors, (261), 224 states have internal predecessors, (261), 36 states have call successors, (36), 33 states have call predecessors, (36), 36 states have return successors, (62), 37 states have call predecessors, (62), 36 states have call successors, (62)
[2023-11-19 07:56:22,840 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 285 states and 359 transitions.
[2023-11-19 07:56:22,840 INFO  L78                 Accepts]: Start accepts. Automaton has 285 states and 359 transitions. Word has length 51
[2023-11-19 07:56:22,841 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:22,841 INFO  L495      AbstractCegarLoop]: Abstraction has 285 states and 359 transitions.
[2023-11-19 07:56:22,841 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 7.0) internal successors, (42), 5 states have internal predecessors, (42), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:56:22,842 INFO  L276                IsEmpty]: Start isEmpty. Operand 285 states and 359 transitions.
[2023-11-19 07:56:22,843 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 54
[2023-11-19 07:56:22,843 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:56:22,844 INFO  L195           NwaCegarLoop]: trace 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, 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]
[2023-11-19 07:56:22,844 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2023-11-19 07:56:22,844 INFO  L420      AbstractCegarLoop]: === Iteration 9 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:56:22,845 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:22,845 INFO  L85        PathProgramCache]: Analyzing trace with hash 1943832958, now seen corresponding path program 1 times
[2023-11-19 07:56:22,845 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:22,845 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118087945]
[2023-11-19 07:56:22,845 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:22,846 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:22,888 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:22,969 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2023-11-19 07:56:22,971 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:22,979 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2023-11-19 07:56:22,983 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:22,990 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:56:22,992 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:22,999 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43
[2023-11-19 07:56:23,001 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:23,009 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:23,010 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:23,010 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118087945]
[2023-11-19 07:56:23,010 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118087945] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:23,010 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:56:23,011 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:56:23,011 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915684916]
[2023-11-19 07:56:23,011 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:23,012 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:56:23,013 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:23,014 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:56:23,014 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:56:23,015 INFO  L87              Difference]: Start difference. First operand 285 states and 359 transitions. Second operand  has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:56:23,427 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:23,427 INFO  L93              Difference]: Finished difference Result 587 states and 785 transitions.
[2023-11-19 07:56:23,428 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-11-19 07:56:23,428 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 53
[2023-11-19 07:56:23,429 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:23,434 INFO  L225             Difference]: With dead ends: 587
[2023-11-19 07:56:23,435 INFO  L226             Difference]: Without dead ends: 585
[2023-11-19 07:56:23,435 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2023-11-19 07:56:23,438 INFO  L413           NwaCegarLoop]: 64 mSDtfsCounter, 328 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 183 mSolverCounterSat, 132 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 332 SdHoareTripleChecker+Valid, 207 SdHoareTripleChecker+Invalid, 315 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 132 IncrementalHoareTripleChecker+Valid, 183 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:23,439 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [332 Valid, 207 Invalid, 315 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [132 Valid, 183 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time]
[2023-11-19 07:56:23,440 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 585 states.
[2023-11-19 07:56:23,507 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 585 to 521.
[2023-11-19 07:56:23,508 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 521 states, 386 states have (on average 1.238341968911917) internal successors, (478), 413 states have internal predecessors, (478), 70 states have call successors, (70), 51 states have call predecessors, (70), 64 states have return successors, (156), 70 states have call predecessors, (156), 70 states have call successors, (156)
[2023-11-19 07:56:23,516 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 521 states and 704 transitions.
[2023-11-19 07:56:23,516 INFO  L78                 Accepts]: Start accepts. Automaton has 521 states and 704 transitions. Word has length 53
[2023-11-19 07:56:23,517 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:23,518 INFO  L495      AbstractCegarLoop]: Abstraction has 521 states and 704 transitions.
[2023-11-19 07:56:23,518 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 8.8) internal successors, (44), 3 states have internal predecessors, (44), 2 states have call successors, (5), 4 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4)
[2023-11-19 07:56:23,518 INFO  L276                IsEmpty]: Start isEmpty. Operand 521 states and 704 transitions.
[2023-11-19 07:56:23,521 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 97
[2023-11-19 07:56:23,521 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:56:23,522 INFO  L195           NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:23,522 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2023-11-19 07:56:23,522 INFO  L420      AbstractCegarLoop]: === Iteration 10 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:56:23,523 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:23,523 INFO  L85        PathProgramCache]: Analyzing trace with hash -1822040872, now seen corresponding path program 1 times
[2023-11-19 07:56:23,523 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:23,524 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1148151599]
[2023-11-19 07:56:23,524 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:23,524 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:23,549 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:23,680 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2023-11-19 07:56:23,682 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:23,700 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:56:23,707 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:23,750 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-19 07:56:23,753 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:23,761 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:56:23,764 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:23,774 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2023-11-19 07:56:23,775 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:23,779 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67
[2023-11-19 07:56:23,783 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:23,804 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:56:23,806 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:23,813 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86
[2023-11-19 07:56:23,815 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:23,817 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 6 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked.
[2023-11-19 07:56:23,818 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:23,818 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1148151599]
[2023-11-19 07:56:23,818 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1148151599] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:56:23,818 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2050431197]
[2023-11-19 07:56:23,819 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:23,819 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:56:23,819 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:56:23,827 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:56:23,863 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2023-11-19 07:56:23,962 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:23,981 INFO  L262         TraceCheckSpWp]: Trace formula consists of 334 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-11-19 07:56:23,995 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:24,122 INFO  L134       CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-19 07:56:24,123 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:56:24,123 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [2050431197] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:24,123 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:56:24,123 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [9] total 9
[2023-11-19 07:56:24,123 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293497988]
[2023-11-19 07:56:24,124 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:24,125 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:56:24,125 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:24,126 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:56:24,126 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2023-11-19 07:56:24,127 INFO  L87              Difference]: Start difference. First operand 521 states and 704 transitions. Second operand  has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8)
[2023-11-19 07:56:24,200 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:24,200 INFO  L93              Difference]: Finished difference Result 886 states and 1228 transitions.
[2023-11-19 07:56:24,200 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:56:24,201 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 96
[2023-11-19 07:56:24,201 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:24,204 INFO  L225             Difference]: With dead ends: 886
[2023-11-19 07:56:24,205 INFO  L226             Difference]: Without dead ends: 426
[2023-11-19 07:56:24,207 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 121 GetRequests, 114 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72
[2023-11-19 07:56:24,208 INFO  L413           NwaCegarLoop]: 150 mSDtfsCounter, 51 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 219 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:24,209 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 219 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:56:24,210 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 426 states.
[2023-11-19 07:56:24,253 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 426 to 426.
[2023-11-19 07:56:24,254 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 426 states, 315 states have (on average 1.2158730158730158) internal successors, (383), 338 states have internal predecessors, (383), 58 states have call successors, (58), 44 states have call predecessors, (58), 52 states have return successors, (90), 57 states have call predecessors, (90), 58 states have call successors, (90)
[2023-11-19 07:56:24,258 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 426 states to 426 states and 531 transitions.
[2023-11-19 07:56:24,259 INFO  L78                 Accepts]: Start accepts. Automaton has 426 states and 531 transitions. Word has length 96
[2023-11-19 07:56:24,260 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:24,260 INFO  L495      AbstractCegarLoop]: Abstraction has 426 states and 531 transitions.
[2023-11-19 07:56:24,260 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 26.333333333333332) internal successors, (79), 3 states have internal predecessors, (79), 3 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8)
[2023-11-19 07:56:24,260 INFO  L276                IsEmpty]: Start isEmpty. Operand 426 states and 531 transitions.
[2023-11-19 07:56:24,267 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 107
[2023-11-19 07:56:24,267 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:56:24,267 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1]
[2023-11-19 07:56:24,296 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2023-11-19 07:56:24,489 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:56:24,489 INFO  L420      AbstractCegarLoop]: === Iteration 11 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:56:24,489 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:24,489 INFO  L85        PathProgramCache]: Analyzing trace with hash 1708523928, now seen corresponding path program 1 times
[2023-11-19 07:56:24,490 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:24,490 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377653435]
[2023-11-19 07:56:24,490 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:24,490 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:24,514 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:24,630 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2023-11-19 07:56:24,632 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:24,642 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:56:24,647 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:24,694 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-19 07:56:24,696 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:24,698 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:56:24,700 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:24,703 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2023-11-19 07:56:24,704 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:24,716 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69
[2023-11-19 07:56:24,718 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:24,719 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 76
[2023-11-19 07:56:24,722 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:24,725 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2023-11-19 07:56:24,726 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:24,728 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:56:24,728 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:24,729 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 96
[2023-11-19 07:56:24,731 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:24,732 INFO  L134       CoverageAnalysis]: Checked inductivity of 37 backedges. 20 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked.
[2023-11-19 07:56:24,732 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:24,732 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377653435]
[2023-11-19 07:56:24,733 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377653435] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:56:24,733 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [16129783]
[2023-11-19 07:56:24,733 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:24,733 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:56:24,733 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:56:24,734 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:56:24,770 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-11-19 07:56:24,877 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:24,880 INFO  L262         TraceCheckSpWp]: Trace formula consists of 357 conjuncts, 11 conjunts are in the unsatisfiable core
[2023-11-19 07:56:24,887 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:25,121 INFO  L134       CoverageAnalysis]: Checked inductivity of 37 backedges. 7 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked.
[2023-11-19 07:56:25,121 INFO  L327         TraceCheckSpWp]: Computing backward predicates...
[2023-11-19 07:56:25,276 INFO  L134       CoverageAnalysis]: Checked inductivity of 37 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked.
[2023-11-19 07:56:25,277 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [16129783] provided 1 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:56:25,277 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences.
[2023-11-19 07:56:25,277 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [10, 5] total 14
[2023-11-19 07:56:25,277 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1113353951]
[2023-11-19 07:56:25,277 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:25,278 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:56:25,278 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:25,279 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:56:25,279 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182
[2023-11-19 07:56:25,279 INFO  L87              Difference]: Start difference. First operand 426 states and 531 transitions. Second operand  has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10)
[2023-11-19 07:56:25,439 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:25,439 INFO  L93              Difference]: Finished difference Result 1210 states and 1542 transitions.
[2023-11-19 07:56:25,440 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-11-19 07:56:25,440 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10) Word has length 106
[2023-11-19 07:56:25,440 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:25,446 INFO  L225             Difference]: With dead ends: 1210
[2023-11-19 07:56:25,446 INFO  L226             Difference]: Without dead ends: 792
[2023-11-19 07:56:25,448 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 224 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240
[2023-11-19 07:56:25,449 INFO  L413           NwaCegarLoop]: 106 mSDtfsCounter, 68 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 481 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:25,449 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 481 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:56:25,451 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 792 states.
[2023-11-19 07:56:25,519 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 718.
[2023-11-19 07:56:25,520 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 718 states, 525 states have (on average 1.1866666666666668) internal successors, (623), 564 states have internal predecessors, (623), 99 states have call successors, (99), 77 states have call predecessors, (99), 93 states have return successors, (155), 99 states have call predecessors, (155), 99 states have call successors, (155)
[2023-11-19 07:56:25,526 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 718 states and 877 transitions.
[2023-11-19 07:56:25,527 INFO  L78                 Accepts]: Start accepts. Automaton has 718 states and 877 transitions. Word has length 106
[2023-11-19 07:56:25,527 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:25,527 INFO  L495      AbstractCegarLoop]: Abstraction has 718 states and 877 transitions.
[2023-11-19 07:56:25,527 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 12.0) internal successors, (72), 5 states have internal predecessors, (72), 2 states have call successors, (11), 2 states have call predecessors, (11), 2 states have return successors, (10), 3 states have call predecessors, (10), 2 states have call successors, (10)
[2023-11-19 07:56:25,527 INFO  L276                IsEmpty]: Start isEmpty. Operand 718 states and 877 transitions.
[2023-11-19 07:56:25,530 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 111
[2023-11-19 07:56:25,530 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:56:25,531 INFO  L195           NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:25,557 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-11-19 07:56:25,745 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10
[2023-11-19 07:56:25,746 INFO  L420      AbstractCegarLoop]: === Iteration 12 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:56:25,746 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:56:25,746 INFO  L85        PathProgramCache]: Analyzing trace with hash -2099189228, now seen corresponding path program 1 times
[2023-11-19 07:56:25,746 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:56:25,747 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943726635]
[2023-11-19 07:56:25,747 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:25,747 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:56:25,765 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:25,907 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12
[2023-11-19 07:56:25,908 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:25,918 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18
[2023-11-19 07:56:25,919 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:25,946 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2023-11-19 07:56:25,951 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:25,984 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3
[2023-11-19 07:56:25,986 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:25,989 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:56:25,991 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:25,993 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22
[2023-11-19 07:56:25,994 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:25,996 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73
[2023-11-19 07:56:25,997 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:26,012 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 80
[2023-11-19 07:56:26,015 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:26,018 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7
[2023-11-19 07:56:26,019 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:26,020 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2
[2023-11-19 07:56:26,021 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:26,022 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100
[2023-11-19 07:56:26,023 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:26,024 INFO  L134       CoverageAnalysis]: Checked inductivity of 37 backedges. 18 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked.
[2023-11-19 07:56:26,024 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:56:26,025 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943726635]
[2023-11-19 07:56:26,025 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943726635] provided 0 perfect and 1 imperfect interpolant sequences
[2023-11-19 07:56:26,025 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205275564]
[2023-11-19 07:56:26,025 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:56:26,025 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:56:26,025 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:56:26,026 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-11-19 07:56:26,051 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2023-11-19 07:56:26,149 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:56:26,151 INFO  L262         TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 8 conjunts are in the unsatisfiable core
[2023-11-19 07:56:26,167 INFO  L285         TraceCheckSpWp]: Computing forward predicates...
[2023-11-19 07:56:26,328 INFO  L134       CoverageAnalysis]: Checked inductivity of 37 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked.
[2023-11-19 07:56:26,328 INFO  L323         TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2023-11-19 07:56:26,328 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [205275564] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:56:26,328 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2023-11-19 07:56:26,329 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [14] total 18
[2023-11-19 07:56:26,329 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [767107657]
[2023-11-19 07:56:26,329 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:56:26,329 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-11-19 07:56:26,330 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:56:26,330 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-11-19 07:56:26,331 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=265, Unknown=0, NotChecked=0, Total=306
[2023-11-19 07:56:26,331 INFO  L87              Difference]: Start difference. First operand 718 states and 877 transitions. Second operand  has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11)
[2023-11-19 07:56:26,494 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:56:26,494 INFO  L93              Difference]: Finished difference Result 1292 states and 1573 transitions.
[2023-11-19 07:56:26,495 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. 
[2023-11-19 07:56:26,495 INFO  L78                 Accepts]: Start accepts. Automaton has  has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11) Word has length 110
[2023-11-19 07:56:26,495 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:56:26,496 INFO  L225             Difference]: With dead ends: 1292
[2023-11-19 07:56:26,496 INFO  L226             Difference]: Without dead ends: 0
[2023-11-19 07:56:26,500 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 124 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=62, Invalid=358, Unknown=0, NotChecked=0, Total=420
[2023-11-19 07:56:26,500 INFO  L413           NwaCegarLoop]: 183 mSDtfsCounter, 38 mSDsluCounter, 780 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 963 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:56:26,501 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 963 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:56:26,502 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:56:26,502 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:56:26,502 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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)
[2023-11-19 07:56:26,502 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:56:26,503 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 110
[2023-11-19 07:56:26,503 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:56:26,503 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:56:26,503 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 12.0) internal successors, (84), 6 states have internal predecessors, (84), 3 states have call successors, (11), 3 states have call predecessors, (11), 4 states have return successors, (11), 4 states have call predecessors, (11), 3 states have call successors, (11)
[2023-11-19 07:56:26,504 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:56:26,504 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:56:26,506 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 07:56:26,532 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0
[2023-11-19 07:56:26,727 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-11-19 07:56:26,729 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:56:30,044 INFO  L899   garLoopResultBuilder]: For program point deactivatePumpEXIT(lines 624 631) no Hoare annotation was computed.
[2023-11-19 07:56:30,045 INFO  L895   garLoopResultBuilder]: At program point $Ultimate##0(lines 624 631) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< |old(~pumpRunning~0)| 1))) (and (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0)) .cse2) (or .cse0 .cse1 .cse2 (< ~methaneLevelCritical~0 1))))
[2023-11-19 07:56:30,045 INFO  L899   garLoopResultBuilder]: For program point deactivatePumpFINAL(lines 624 631) no Hoare annotation was computed.
[2023-11-19 07:56:30,045 INFO  L899   garLoopResultBuilder]: For program point processEnvironment__wrappee__baseEXIT(lines 531 537) no Hoare annotation was computed.
[2023-11-19 07:56:30,045 INFO  L902   garLoopResultBuilder]: At program point processEnvironment__wrappee__baseFINAL(lines 531 537) the Hoare annotation is: true
[2023-11-19 07:56:30,046 INFO  L899   garLoopResultBuilder]: For program point L897-1(lines 893 904) no Hoare annotation was computed.
[2023-11-19 07:56:30,046 INFO  L895   garLoopResultBuilder]: At program point $Ultimate##0(lines 893 904) the Hoare annotation is: (let ((.cse0 (< ~pumpRunning~0 1)) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse6 (= ~methaneLevelCritical~0 0)) (.cse1 (<= 1 ~methaneLevelCritical~0)) (.cse5 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (< |old(~methaneLevelCritical~0)| 1)) (.cse7 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3 (< ~waterLevel~0 2)) (or .cse4 .cse5 .cse6 .cse2 .cse7) (or .cse0 .cse4 .cse6 .cse2 .cse7) (or .cse1 .cse5 .cse2 .cse3 .cse7)))
[2023-11-19 07:56:30,046 INFO  L899   garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 893 904) no Hoare annotation was computed.
[2023-11-19 07:56:30,046 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 905 913) the Hoare annotation is: true
[2023-11-19 07:56:30,046 INFO  L899   garLoopResultBuilder]: For program point isMethaneLevelCriticalFINAL(lines 905 913) no Hoare annotation was computed.
[2023-11-19 07:56:30,047 INFO  L899   garLoopResultBuilder]: For program point isMethaneLevelCriticalEXIT(lines 905 913) no Hoare annotation was computed.
[2023-11-19 07:56:30,047 INFO  L899   garLoopResultBuilder]: For program point cleanupEXIT(lines 767 796) no Hoare annotation was computed.
[2023-11-19 07:56:30,047 INFO  L899   garLoopResultBuilder]: For program point L792(lines 767 796) no Hoare annotation was computed.
[2023-11-19 07:56:30,047 INFO  L899   garLoopResultBuilder]: For program point L788(line 788) no Hoare annotation was computed.
[2023-11-19 07:56:30,047 INFO  L899   garLoopResultBuilder]: For program point L781(lines 781 785) no Hoare annotation was computed.
[2023-11-19 07:56:30,047 INFO  L902   garLoopResultBuilder]: At program point L781-1(lines 781 785) the Hoare annotation is: true
[2023-11-19 07:56:30,048 INFO  L899   garLoopResultBuilder]: For program point L778(line 778) no Hoare annotation was computed.
[2023-11-19 07:56:30,048 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 767 796) the Hoare annotation is: true
[2023-11-19 07:56:30,048 INFO  L902   garLoopResultBuilder]: At program point L777-2(lines 777 791) the Hoare annotation is: true
[2023-11-19 07:56:30,048 INFO  L902   garLoopResultBuilder]: At program point L773(line 773) the Hoare annotation is: true
[2023-11-19 07:56:30,048 INFO  L899   garLoopResultBuilder]: For program point L773-1(line 773) no Hoare annotation was computed.
[2023-11-19 07:56:30,049 INFO  L895   garLoopResultBuilder]: At program point L605(line 605) the Hoare annotation is: (let ((.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse4 .cse2) (or .cse5 .cse0 .cse1 .cse4) (or .cse1 (< |old(~waterLevel~0)| 2) .cse2 .cse3) (or .cse5 .cse0 .cse1 .cse3)))
[2023-11-19 07:56:30,049 INFO  L895   garLoopResultBuilder]: At program point L601(line 601) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (<= 1 |timeShift_isMethaneAlarm_#res#1|)) (.cse5 (<= 1 |timeShift_processEnvironment_~tmp~6#1|)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse7 (not (= |old(~pumpRunning~0)| 0))) (.cse8 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse6 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 (< |old(~waterLevel~0)| 2) .cse3 (and .cse0 .cse4 .cse5) .cse6) (or .cse7 .cse8 .cse1 .cse2) (or .cse8 .cse1 (and .cse0 (= ~methAndRunningLastTime~0 0) .cse4 .cse5) .cse3 .cse6) (or .cse7 .cse8 .cse1 .cse6)))
[2023-11-19 07:56:30,049 INFO  L899   garLoopResultBuilder]: For program point timeShiftFINAL(lines 507 530) no Hoare annotation was computed.
[2023-11-19 07:56:30,050 INFO  L895   garLoopResultBuilder]: At program point L742(line 742) the Hoare annotation is: (let ((.cse2 (= ~methAndRunningLastTime~0 0)) (.cse13 (= |old(~pumpRunning~0)| 0)) (.cse14 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse11 (= ~pumpRunning~0 0)) (.cse12 (= 1 ~systemActive~0))) (let ((.cse6 (and .cse11 (<= 1 |timeShift_isMethaneAlarm_#res#1|) .cse12)) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse7 (< |old(~pumpRunning~0)| 1)) (.cse9 (and .cse11 .cse12 .cse13 .cse14)) (.cse10 (and (<= 1 ~pumpRunning~0) .cse2 (<= 2 ~waterLevel~0) .cse14)) (.cse0 (not .cse13)) (.cse1 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse3 (not (= |old(~waterLevel~0)| 1))) (.cse4 (not .cse12)) (.cse8 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse4 (< |old(~waterLevel~0)| 2) .cse7 .cse8) (or .cse6 .cse1 .cse4 .cse7 .cse8) (or .cse0 .cse1 .cse4 .cse9 .cse10 .cse5) (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse4 .cse5 .cse7 (and .cse11 .cse12)) (or .cse0 .cse1 .cse4 .cse9 .cse10 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse8))))
[2023-11-19 07:56:30,050 INFO  L899   garLoopResultBuilder]: For program point L742-1(line 742) no Hoare annotation was computed.
[2023-11-19 07:56:30,050 INFO  L895   garLoopResultBuilder]: At program point L610(line 610) the Hoare annotation is: (let ((.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse6 (and (= ~pumpRunning~0 0) (= ~methAndRunningLastTime~0 0) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (< |old(~pumpRunning~0)| 1)) (.cse3 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse2) (or .cse5 .cse0 .cse1 .cse6 .cse3) (or .cse5 .cse0 .cse1 .cse6 .cse4) (or .cse1 (< |old(~waterLevel~0)| 2) .cse2 .cse3)))
[2023-11-19 07:56:30,050 INFO  L899   garLoopResultBuilder]: For program point L610-1(lines 591 615) no Hoare annotation was computed.
[2023-11-19 07:56:30,050 INFO  L899   garLoopResultBuilder]: For program point L511-1(lines 510 529) no Hoare annotation was computed.
[2023-11-19 07:56:30,051 INFO  L899   garLoopResultBuilder]: For program point L599(lines 599 607) no Hoare annotation was computed.
[2023-11-19 07:56:30,051 INFO  L899   garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed.
[2023-11-19 07:56:30,051 INFO  L899   garLoopResultBuilder]: For program point L595(lines 595 612) no Hoare annotation was computed.
[2023-11-19 07:56:30,051 INFO  L899   garLoopResultBuilder]: For program point L748(lines 748 758) no Hoare annotation was computed.
[2023-11-19 07:56:30,051 INFO  L899   garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 50 57) no Hoare annotation was computed.
[2023-11-19 07:56:30,052 INFO  L895   garLoopResultBuilder]: At program point $Ultimate##0(lines 507 530) the Hoare annotation is: (let ((.cse5 (= ~methAndRunningLastTime~0 0)) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse2 (and .cse4 .cse6)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse8 (< ~methaneLevelCritical~0 1)) (.cse9 (not (= |old(~pumpRunning~0)| 0))) (.cse7 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse10 (and (= ~pumpRunning~0 0) .cse5 .cse6)) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and .cse4 .cse5 .cse6) .cse7 .cse0 .cse3 .cse8) (or .cse0 (< |old(~waterLevel~0)| 2) .cse2 .cse3 .cse8) (or .cse9 .cse7 .cse0 .cse10 .cse8) (or .cse9 .cse7 .cse0 .cse10 .cse1))))
[2023-11-19 07:56:30,052 INFO  L899   garLoopResultBuilder]: For program point L744(lines 744 761) no Hoare annotation was computed.
[2023-11-19 07:56:30,052 INFO  L899   garLoopResultBuilder]: For program point L744-1(lines 736 764) no Hoare annotation was computed.
[2023-11-19 07:56:30,052 INFO  L895   garLoopResultBuilder]: At program point L637(line 637) the Hoare annotation is: (let ((.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (< |old(~pumpRunning~0)| 1)) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (not (= |old(~methAndRunningLastTime~0)| 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (< |old(~waterLevel~0)| 2) .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse2) (or .cse6 .cse1 (and .cse0 (= ~methAndRunningLastTime~0 0)) .cse3 .cse4) (or .cse5 .cse6 .cse1 .cse4)))
[2023-11-19 07:56:30,052 INFO  L899   garLoopResultBuilder]: For program point L637-1(line 637) no Hoare annotation was computed.
[2023-11-19 07:56:30,053 INFO  L899   garLoopResultBuilder]: For program point L749(lines 749 755) no Hoare annotation was computed.
[2023-11-19 07:56:30,053 INFO  L899   garLoopResultBuilder]: For program point timeShiftEXIT(lines 507 530) no Hoare annotation was computed.
[2023-11-19 07:56:30,053 INFO  L899   garLoopResultBuilder]: For program point isMethaneAlarm_returnLabel#1(lines 632 642) no Hoare annotation was computed.
[2023-11-19 07:56:30,053 INFO  L899   garLoopResultBuilder]: For program point L873(lines 873 877) no Hoare annotation was computed.
[2023-11-19 07:56:30,053 INFO  L899   garLoopResultBuilder]: For program point isPumpRunning_returnLabel#1(lines 643 651) no Hoare annotation was computed.
[2023-11-19 07:56:30,053 INFO  L899   garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed.
[2023-11-19 07:56:30,054 INFO  L899   garLoopResultBuilder]: For program point L873-2(lines 869 880) no Hoare annotation was computed.
[2023-11-19 07:56:30,054 INFO  L899   garLoopResultBuilder]: For program point L518-1(lines 518 524) no Hoare annotation was computed.
[2023-11-19 07:56:30,054 INFO  L899   garLoopResultBuilder]: For program point L93(lines 93 99) no Hoare annotation was computed.
[2023-11-19 07:56:30,054 INFO  L899   garLoopResultBuilder]: For program point L93-1(lines 93 99) no Hoare annotation was computed.
[2023-11-19 07:56:30,054 INFO  L899   garLoopResultBuilder]: For program point L122(lines 63 126) no Hoare annotation was computed.
[2023-11-19 07:56:30,055 INFO  L895   garLoopResultBuilder]: At program point L85(line 85) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5 .cse6) (and .cse8 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse8 .cse7 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6)))
[2023-11-19 07:56:30,055 INFO  L899   garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 828 838) no Hoare annotation was computed.
[2023-11-19 07:56:30,055 INFO  L899   garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 981 987) no Hoare annotation was computed.
[2023-11-19 07:56:30,055 INFO  L899   garLoopResultBuilder]: For program point main_returnLabel#1(lines 842 864) no Hoare annotation was computed.
[2023-11-19 07:56:30,055 INFO  L899   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:56:30,055 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:56:30,056 INFO  L895   garLoopResultBuilder]: At program point L119(lines 72 120) the Hoare annotation is: false
[2023-11-19 07:56:30,056 INFO  L899   garLoopResultBuilder]: For program point L74(lines 73 118) no Hoare annotation was computed.
[2023-11-19 07:56:30,056 INFO  L899   garLoopResultBuilder]: For program point setup_returnLabel#1(lines 821 827) no Hoare annotation was computed.
[2023-11-19 07:56:30,056 INFO  L899   garLoopResultBuilder]: For program point L103(lines 103 114) no Hoare annotation was computed.
[2023-11-19 07:56:30,056 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:56:30,057 INFO  L895   garLoopResultBuilder]: At program point L95(line 95) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5 .cse6) (and .cse8 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse8 .cse7 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6)))
[2023-11-19 07:56:30,057 INFO  L895   garLoopResultBuilder]: At program point L116(lines 73 118) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse8 (<= 1 ~pumpRunning~0)) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse7 .cse3 .cse4 .cse5 .cse6) (and .cse8 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse8 .cse7 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6)))
[2023-11-19 07:56:30,057 INFO  L899   garLoopResultBuilder]: For program point L83(lines 83 89) no Hoare annotation was computed.
[2023-11-19 07:56:30,057 INFO  L899   garLoopResultBuilder]: For program point L83-1(lines 83 89) no Hoare annotation was computed.
[2023-11-19 07:56:30,057 INFO  L899   garLoopResultBuilder]: For program point L75(lines 75 79) no Hoare annotation was computed.
[2023-11-19 07:56:30,057 INFO  L899   garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:56:30,058 INFO  L899   garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 988 994) no Hoare annotation was computed.
[2023-11-19 07:56:30,058 INFO  L899   garLoopResultBuilder]: For program point __utac_acc__Specification2_spec__1_returnLabel#1(lines 728 735) no Hoare annotation was computed.
[2023-11-19 07:56:30,058 INFO  L899   garLoopResultBuilder]: For program point L852(lines 852 859) no Hoare annotation was computed.
[2023-11-19 07:56:30,058 INFO  L899   garLoopResultBuilder]: For program point L852-2(lines 852 859) no Hoare annotation was computed.
[2023-11-19 07:56:30,058 INFO  L899   garLoopResultBuilder]: For program point L109(lines 109 113) no Hoare annotation was computed.
[2023-11-19 07:56:30,058 INFO  L899   garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 995 1003) no Hoare annotation was computed.
[2023-11-19 07:56:30,059 INFO  L895   garLoopResultBuilder]: At program point L109-2(lines 103 114) the Hoare annotation is: (let ((.cse2 (= ~methaneLevelCritical~0 0)) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= ~methAndRunningLastTime~0 0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse8 (<= 1 ~methaneLevelCritical~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (= |ULTIMATE.start_main_~tmp~10#1| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse1 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse0 .cse1 .cse8 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse3 (<= 2 ~waterLevel~0) .cse4 .cse5 .cse6)))
[2023-11-19 07:56:30,059 INFO  L899   garLoopResultBuilder]: For program point L543(lines 543 560) no Hoare annotation was computed.
[2023-11-19 07:56:30,059 INFO  L899   garLoopResultBuilder]: For program point activatePump_returnLabel#1(lines 616 623) no Hoare annotation was computed.
[2023-11-19 07:56:30,059 INFO  L899   garLoopResultBuilder]: For program point L950(lines 950 956) no Hoare annotation was computed.
[2023-11-19 07:56:30,059 INFO  L895   garLoopResultBuilder]: At program point L558(line 558) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse0 .cse1 .cse3) (or .cse2 .cse0 .cse3 (< ~methaneLevelCritical~0 1))))
[2023-11-19 07:56:30,060 INFO  L899   garLoopResultBuilder]: For program point L558-1(lines 539 563) no Hoare annotation was computed.
[2023-11-19 07:56:30,060 INFO  L895   garLoopResultBuilder]: At program point $Ultimate##0(lines 539 563) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse3 .cse0 .cse1 .cse4) (or .cse2 .cse3 .cse0 .cse4 (< ~methaneLevelCritical~0 1))))
[2023-11-19 07:56:30,060 INFO  L899   garLoopResultBuilder]: For program point isHighWaterSensorDry_returnLabel#1(lines 946 959) no Hoare annotation was computed.
[2023-11-19 07:56:30,060 INFO  L899   garLoopResultBuilder]: For program point isHighWaterLevel_returnLabel#1(lines 688 706) no Hoare annotation was computed.
[2023-11-19 07:56:30,060 INFO  L899   garLoopResultBuilder]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 539 563) no Hoare annotation was computed.
[2023-11-19 07:56:30,060 INFO  L899   garLoopResultBuilder]: For program point L697(lines 697 701) no Hoare annotation was computed.
[2023-11-19 07:56:30,061 INFO  L899   garLoopResultBuilder]: For program point L697-2(lines 697 701) no Hoare annotation was computed.
[2023-11-19 07:56:30,061 INFO  L895   garLoopResultBuilder]: At program point L553(line 553) the Hoare annotation is: (let ((.cse5 (= 1 ~systemActive~0))) (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not .cse5)) (.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (and (= ~pumpRunning~0 0) (= |processEnvironment__wrappee__highWaterSensor_~tmp~4#1| 0) .cse5)) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse0 .cse3 .cse4 (< ~methaneLevelCritical~0 1)) (or .cse2 .cse0 .cse1 .cse3 .cse4))))
[2023-11-19 07:56:30,061 INFO  L899   garLoopResultBuilder]: For program point L547(lines 547 555) no Hoare annotation was computed.
[2023-11-19 07:56:30,061 INFO  L899   garLoopResultBuilder]: For program point waterRiseEXIT(lines 881 892) no Hoare annotation was computed.
[2023-11-19 07:56:30,061 INFO  L895   garLoopResultBuilder]: At program point $Ultimate##0(lines 881 892) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0))) (.cse5 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (= ~methAndRunningLastTime~0 0))) (.cse6 (< ~pumpRunning~0 1)) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse4 (< ~methaneLevelCritical~0 1))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse5 .cse2 .cse3) (or .cse6 .cse1 .cse5 .cse2 .cse3) (or .cse6 .cse1 (< |old(~waterLevel~0)| 2) .cse2 .cse4)))
[2023-11-19 07:56:30,062 INFO  L899   garLoopResultBuilder]: For program point L885-1(lines 881 892) no Hoare annotation was computed.
[2023-11-19 07:56:30,062 INFO  L899   garLoopResultBuilder]: For program point isLowWaterSensorDry_returnLabel#1(lines 960 968) no Hoare annotation was computed.
[2023-11-19 07:56:30,062 INFO  L895   garLoopResultBuilder]: At program point $Ultimate##0(lines 565 589) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse3 .cse0 .cse1 .cse4) (or .cse2 .cse3 .cse0 .cse4 (< ~methaneLevelCritical~0 1))))
[2023-11-19 07:56:30,062 INFO  L895   garLoopResultBuilder]: At program point L579(line 579) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse0 .cse1 .cse3) (or .cse2 .cse0 .cse3 (< ~methaneLevelCritical~0 1))))
[2023-11-19 07:56:30,063 INFO  L895   garLoopResultBuilder]: At program point L575(line 575) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0))) (.cse3 (not (= ~methAndRunningLastTime~0 0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse0 .cse1 .cse3) (or .cse2 .cse0 .cse3 (< ~methaneLevelCritical~0 1))))
[2023-11-19 07:56:30,063 INFO  L899   garLoopResultBuilder]: For program point isLowWaterLevel_returnLabel#1(lines 707 725) no Hoare annotation was computed.
[2023-11-19 07:56:30,063 INFO  L899   garLoopResultBuilder]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 565 589) no Hoare annotation was computed.
[2023-11-19 07:56:30,063 INFO  L899   garLoopResultBuilder]: For program point L573(lines 573 581) no Hoare annotation was computed.
[2023-11-19 07:56:30,063 INFO  L899   garLoopResultBuilder]: For program point L569(lines 569 586) no Hoare annotation was computed.
[2023-11-19 07:56:30,063 INFO  L899   garLoopResultBuilder]: For program point L716(lines 716 720) no Hoare annotation was computed.
[2023-11-19 07:56:30,064 INFO  L899   garLoopResultBuilder]: For program point L716-2(lines 716 720) no Hoare annotation was computed.
[2023-11-19 07:56:30,064 INFO  L895   garLoopResultBuilder]: At program point L584(line 584) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (not (= 1 ~systemActive~0))) (.cse4 (not (= ~methAndRunningLastTime~0 0)))) (and (or .cse0 .cse1 (< |old(~pumpRunning~0)| 1)) (or .cse2 .cse3 .cse0 .cse1 .cse4) (or .cse2 .cse3 .cse0 .cse4 (< ~methaneLevelCritical~0 1))))
[2023-11-19 07:56:30,064 INFO  L899   garLoopResultBuilder]: For program point L584-1(lines 565 589) no Hoare annotation was computed.
[2023-11-19 07:56:30,066 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:56:30,068 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:56:30,082 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:56:30 BoogieIcfgContainer
[2023-11-19 07:56:30,082 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:56:30,083 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:56:30,083 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:56:30,083 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-19 07:56:30,084 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:56:18" (3/4) ...
[2023-11-19 07:56:30,086 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:56:30,090 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure deactivatePump
[2023-11-19 07:56:30,090 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__base
[2023-11-19 07:56:30,090 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel
[2023-11-19 07:56:30,090 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneLevelCritical
[2023-11-19 07:56:30,090 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup
[2023-11-19 07:56:30,090 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift
[2023-11-19 07:56:30,091 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__highWaterSensor
[2023-11-19 07:56:30,091 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise
[2023-11-19 07:56:30,091 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__lowWaterSensor
[2023-11-19 07:56:30,099 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges
[2023-11-19 07:56:30,099 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2023-11-19 07:56:30,100 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2023-11-19 07:56:30,101 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:56:30,101 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:56:30,130 WARN  L220   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1)) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1))) || (((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1))) || (((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (\result == 1)) && (2 <= waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1)))
[2023-11-19 07:56:30,186 WARN  L141   nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1)) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1))) || (((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1))) || (((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (\result == 1)) && (2 <= waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1)))
[2023-11-19 07:56:30,246 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:56:30,246 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:56:30,246 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:56:30,247 INFO  L158              Benchmark]: Toolchain (without parser) took 12979.75ms. Allocated memory was 130.0MB in the beginning and 237.0MB in the end (delta: 107.0MB). Free memory was 81.3MB in the beginning and 100.8MB in the end (delta: -19.5MB). Peak memory consumption was 87.9MB. Max. memory is 16.1GB.
[2023-11-19 07:56:30,247 INFO  L158              Benchmark]: CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:56:30,248 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 522.80ms. Allocated memory is still 130.0MB. Free memory was 81.3MB in the beginning and 62.0MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-11-19 07:56:30,248 INFO  L158              Benchmark]: Boogie Procedure Inliner took 69.17ms. Allocated memory is still 130.0MB. Free memory was 61.5MB in the beginning and 59.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:56:30,249 INFO  L158              Benchmark]: Boogie Preprocessor took 33.63ms. Allocated memory is still 130.0MB. Free memory was 59.4MB in the beginning and 57.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:56:30,249 INFO  L158              Benchmark]: RCFGBuilder took 709.27ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 57.8MB in the beginning and 130.3MB in the end (delta: -72.5MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB.
[2023-11-19 07:56:30,250 INFO  L158              Benchmark]: TraceAbstraction took 11470.80ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 129.2MB in the beginning and 108.2MB in the end (delta: 21.1MB). Peak memory consumption was 112.7MB. Max. memory is 16.1GB.
[2023-11-19 07:56:30,250 INFO  L158              Benchmark]: Witness Printer took 163.50ms. Allocated memory is still 237.0MB. Free memory was 108.2MB in the beginning and 100.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 07:56:30,252 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.23ms. Allocated memory is still 130.0MB. Free memory is still 77.4MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 522.80ms. Allocated memory is still 130.0MB. Free memory was 81.3MB in the beginning and 62.0MB in the end (delta: 19.4MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 69.17ms. Allocated memory is still 130.0MB. Free memory was 61.5MB in the beginning and 59.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 33.63ms. Allocated memory is still 130.0MB. Free memory was 59.4MB in the beginning and 57.8MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 709.27ms. Allocated memory was 130.0MB in the beginning and 163.6MB in the end (delta: 33.6MB). Free memory was 57.8MB in the beginning and 130.3MB in the end (delta: -72.5MB). Peak memory consumption was 20.7MB. Max. memory is 16.1GB.
 * TraceAbstraction took 11470.80ms. Allocated memory was 163.6MB in the beginning and 237.0MB in the end (delta: 73.4MB). Free memory was 129.2MB in the beginning and 108.2MB in the end (delta: 21.1MB). Peak memory consumption was 112.7MB. Max. memory is 16.1GB.
 * Witness Printer took 163.50ms. Allocated memory is still 237.0MB. Free memory was 108.2MB in the beginning and 100.8MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. 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,"wsllib_check.i","") [49]
  - GenericResultAtLocation [Line: 58]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [58]
  - GenericResultAtLocation [Line: 127]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [127]
  - GenericResultAtLocation [Line: 493]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [493]
  - GenericResultAtLocation [Line: 726]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Specification2_spec.i","") [726]
  - GenericResultAtLocation [Line: 765]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [765]
  - GenericResultAtLocation [Line: 865]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [865]
  - GenericResultAtLocation [Line: 969]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [969]
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - PositiveResult [Line: 54]: a call to reach_error is unreachable
    For all program executions holds that a call to reach_error is unreachable at this location
  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 10 procedures, 102 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 11.4s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.3s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1407 SdHoareTripleChecker+Valid, 1.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1373 mSDsluCounter, 4085 SdHoareTripleChecker+Invalid, 1.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2718 mSDsCounter, 356 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1024 IncrementalHoareTripleChecker+Invalid, 1380 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 356 mSolverCounterUnsat, 1367 mSDtfsCounter, 1024 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 621 GetRequests, 534 SyntacticMatches, 2 SemanticMatches, 85 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=718occurred in iteration=11, InterpolantAutomatonStates: 72, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 181 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 27 LocationsWithAnnotation, 982 PreInvPairs, 1076 NumberOfFragments, 1624 HoareAnnotationTreeSize, 982 FomulaSimplifications, 646 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 27 FomulaSimplificationsInter, 5753 FormulaSimplificationTreeSizeReductionInter, 3.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.0s InterpolantComputationTime, 999 NumberOfCodeBlocks, 999 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 1089 ConstructedInterpolants, 0 QuantifiedInterpolants, 2080 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1058 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 253/268 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 72]: Loop Invariant
    Derived loop invariant: 0
  - InvariantResult [Line: 777]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 73]: Loop Invariant
    Derived loop invariant: ((((((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1)) || (((((((pumpRunning == 0) && (methAndRunningLastTime == 0)) && (1 <= methaneLevelCritical)) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1))) || (((((((1 <= pumpRunning) && (methAndRunningLastTime == 0)) && (methaneLevelCritical == 0)) && (\result == 1)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1))) || (((((((1 <= pumpRunning) && (1 <= methaneLevelCritical)) && (\result == 1)) && (2 <= waterLevel)) && (1 == systemActive)) && (splverifierCounter == 0)) && (tmp == 1)))
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:56:30,294 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_231d2263-e140-44c2-912c-1ec24342c2db/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE