./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 9bd2c7ff
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dac0b26-9be3-4043-9b9b-0fc1d73024eb/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dac0b26-9be3-4043-9b9b-0fc1d73024eb/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_4dac0b26-9be3-4043-9b9b-0fc1d73024eb/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dac0b26-9be3-4043-9b9b-0fc1d73024eb/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dac0b26-9be3-4043-9b9b-0fc1d73024eb/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_4dac0b26-9be3-4043-9b9b-0fc1d73024eb/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 8729c68adf95fe52029d1e2fee3adcb5035ca5756724ed2fc749f4c6dd51b810
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 08:06:27,298 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 08:06:27,419 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dac0b26-9be3-4043-9b9b-0fc1d73024eb/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 08:06:27,431 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 08:06:27,432 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 08:06:27,471 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 08:06:27,473 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 08:06:27,474 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 08:06:27,475 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 08:06:27,480 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 08:06:27,481 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 08:06:27,482 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 08:06:27,482 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-19 08:06:27,484 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 08:06:27,485 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-19 08:06:27,485 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-19 08:06:27,486 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 08:06:27,486 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-19 08:06:27,487 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 08:06:27,487 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 08:06:27,487 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 08:06:27,488 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 08:06:27,488 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-19 08:06:27,489 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 08:06:27,489 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 08:06:27,490 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 08:06:27,491 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-19 08:06:27,491 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-19 08:06:27,492 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:06:27,492 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 08:06:27,493 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 08:06:27,494 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 08:06:27,494 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-19 08:06:27,494 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 08:06:27,495 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 08:06:27,495 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 08:06:27,495 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 08:06:27,495 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 08:06:27,496 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 08:06:27,496 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_4dac0b26-9be3-4043-9b9b-0fc1d73024eb/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_4dac0b26-9be3-4043-9b9b-0fc1d73024eb/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 -> 8729c68adf95fe52029d1e2fee3adcb5035ca5756724ed2fc749f4c6dd51b810
[2023-11-19 08:06:27,858 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 08:06:27,908 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 08:06:27,911 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 08:06:27,913 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 08:06:27,913 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 08:06:27,915 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dac0b26-9be3-4043-9b9b-0fc1d73024eb/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c
[2023-11-19 08:06:31,064 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 08:06:31,396 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 08:06:31,397 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dac0b26-9be3-4043-9b9b-0fc1d73024eb/sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c
[2023-11-19 08:06:31,410 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dac0b26-9be3-4043-9b9b-0fc1d73024eb/bin/uautomizer-verify-uCwYo4JHxu/data/15096c6df/803dd83ce44b4b979797ea5e4ea0d0fe/FLAGa26c6f501
[2023-11-19 08:06:31,424 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dac0b26-9be3-4043-9b9b-0fc1d73024eb/bin/uautomizer-verify-uCwYo4JHxu/data/15096c6df/803dd83ce44b4b979797ea5e4ea0d0fe
[2023-11-19 08:06:31,427 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 08:06:31,429 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 08:06:31,430 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 08:06:31,430 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 08:06:31,436 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 08:06:31,437 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:31" (1/1) ...
[2023-11-19 08:06:31,438 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4fa4688 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:31, skipping insertion in model container
[2023-11-19 08:06:31,438 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 08:06:31" (1/1) ...
[2023-11-19 08:06:31,484 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 08:06:31,716 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_4dac0b26-9be3-4043-9b9b-0fc1d73024eb/sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c[5608,5621]
[2023-11-19 08:06:31,791 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:06:31,815 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 08:06:31,828 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49]
[2023-11-19 08:06:31,831 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121]
[2023-11-19 08:06:31,831 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [315]
[2023-11-19 08:06:31,832 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [351]
[2023-11-19 08:06:31,832 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [360]
[2023-11-19 08:06:31,833 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [398]
[2023-11-19 08:06:31,833 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [764]
[2023-11-19 08:06:31,833 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [853]
[2023-11-19 08:06:31,871 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_4dac0b26-9be3-4043-9b9b-0fc1d73024eb/sv-benchmarks/c/product-lines/minepump_spec3_product27.cil.c[5608,5621]
[2023-11-19 08:06:31,939 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 08:06:31,963 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 08:06:31,964 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:31 WrapperNode
[2023-11-19 08:06:31,964 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 08:06:31,965 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 08:06:31,966 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 08:06:31,966 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 08:06:31,975 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:31" (1/1) ...
[2023-11-19 08:06:31,990 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:31" (1/1) ...
[2023-11-19 08:06:32,016 INFO  L138                Inliner]: procedures = 54, calls = 98, calls flagged for inlining = 22, calls inlined = 17, statements flattened = 175
[2023-11-19 08:06:32,017 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 08:06:32,018 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 08:06:32,018 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 08:06:32,018 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 08:06:32,036 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:31" (1/1) ...
[2023-11-19 08:06:32,036 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:31" (1/1) ...
[2023-11-19 08:06:32,039 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:31" (1/1) ...
[2023-11-19 08:06:32,039 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:31" (1/1) ...
[2023-11-19 08:06:32,045 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:31" (1/1) ...
[2023-11-19 08:06:32,051 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:31" (1/1) ...
[2023-11-19 08:06:32,053 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:31" (1/1) ...
[2023-11-19 08:06:32,055 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:31" (1/1) ...
[2023-11-19 08:06:32,057 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 08:06:32,058 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 08:06:32,059 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 08:06:32,059 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 08:06:32,060 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:31" (1/1) ...
[2023-11-19 08:06:32,066 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 08:06:32,082 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dac0b26-9be3-4043-9b9b-0fc1d73024eb/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 08:06:32,095 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dac0b26-9be3-4043-9b9b-0fc1d73024eb/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 08:06:32,108 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dac0b26-9be3-4043-9b9b-0fc1d73024eb/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 08:06:32,178 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 08:06:32,178 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base
[2023-11-19 08:06:32,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base
[2023-11-19 08:06:32,178 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical
[2023-11-19 08:06:32,181 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical
[2023-11-19 08:06:32,181 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2023-11-19 08:06:32,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2023-11-19 08:06:32,182 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2023-11-19 08:06:32,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2023-11-19 08:06:32,182 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2023-11-19 08:06:32,182 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2023-11-19 08:06:32,182 INFO  L130     BoogieDeclarations]: Found specification of procedure deactivatePump
[2023-11-19 08:06:32,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure deactivatePump
[2023-11-19 08:06:32,183 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 08:06:32,183 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-11-19 08:06:32,183 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-11-19 08:06:32,184 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 08:06:32,184 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 08:06:32,320 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 08:06:32,323 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 08:06:32,624 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 08:06:32,644 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 08:06:32,644 INFO  L302             CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 08:06:32,648 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:32 BoogieIcfgContainer
[2023-11-19 08:06:32,653 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 08:06:32,656 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 08:06:32,662 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 08:06:32,665 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-19 08:06:32,666 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 08:06:31" (1/3) ...
[2023-11-19 08:06:32,667 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55832def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:32, skipping insertion in model container
[2023-11-19 08:06:32,667 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 08:06:31" (2/3) ...
[2023-11-19 08:06:32,668 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55832def and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 08:06:32, skipping insertion in model container
[2023-11-19 08:06:32,668 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:32" (3/3) ...
[2023-11-19 08:06:32,669 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec3_product27.cil.c
[2023-11-19 08:06:32,688 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 08:06:32,688 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 08:06:32,749 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 08:06:32,755 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;@6ffcc340, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 08:06:32,755 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 08:06:32,760 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 82 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 69 states have internal predecessors, (86), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11)
[2023-11-19 08:06:32,769 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2023-11-19 08:06:32,769 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 08:06:32,770 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 08:06:32,770 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:06:32,776 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:32,777 INFO  L85        PathProgramCache]: Analyzing trace with hash 621432965, now seen corresponding path program 1 times
[2023-11-19 08:06:32,788 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:32,788 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638499468]
[2023-11-19 08:06:32,789 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:32,789 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:32,940 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:33,057 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 14
[2023-11-19 08:06:33,063 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:33,085 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 08:06:33,085 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:33,086 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638499468]
[2023-11-19 08:06:33,086 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638499468] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:33,087 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:33,087 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 08:06:33,089 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896196905]
[2023-11-19 08:06:33,089 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:33,094 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 08:06:33,094 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:33,135 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 08:06:33,136 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 08:06:33,139 INFO  L87              Difference]: Start difference. First operand  has 82 states, 62 states have (on average 1.3870967741935485) internal successors, (86), 69 states have internal predecessors, (86), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (11), 9 states have call predecessors, (11), 11 states have call successors, (11) 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 08:06:33,194 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:33,194 INFO  L93              Difference]: Finished difference Result 156 states and 211 transitions.
[2023-11-19 08:06:33,195 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-19 08:06:33,196 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 08:06:33,197 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:33,208 INFO  L225             Difference]: With dead ends: 156
[2023-11-19 08:06:33,208 INFO  L226             Difference]: Without dead ends: 73
[2023-11-19 08:06:33,213 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 08:06:33,217 INFO  L413           NwaCegarLoop]: 102 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, 102 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 08:06:33,219 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 102 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:06:33,239 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 73 states.
[2023-11-19 08:06:33,265 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73.
[2023-11-19 08:06:33,269 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 73 states, 55 states have (on average 1.309090909090909) internal successors, (72), 61 states have internal predecessors, (72), 11 states have call successors, (11), 7 states have call predecessors, (11), 6 states have return successors, (10), 8 states have call predecessors, (10), 10 states have call successors, (10)
[2023-11-19 08:06:33,272 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 93 transitions.
[2023-11-19 08:06:33,275 INFO  L78                 Accepts]: Start accepts. Automaton has 73 states and 93 transitions. Word has length 25
[2023-11-19 08:06:33,275 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:33,276 INFO  L495      AbstractCegarLoop]: Abstraction has 73 states and 93 transitions.
[2023-11-19 08:06:33,276 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 08:06:33,276 INFO  L276                IsEmpty]: Start isEmpty. Operand 73 states and 93 transitions.
[2023-11-19 08:06:33,279 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 27
[2023-11-19 08:06:33,279 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 08:06:33,280 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 08:06:33,280 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 08:06:33,280 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:06:33,281 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:33,281 INFO  L85        PathProgramCache]: Analyzing trace with hash 756796403, now seen corresponding path program 1 times
[2023-11-19 08:06:33,282 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:33,282 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913456223]
[2023-11-19 08:06:33,282 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:33,283 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:33,335 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:33,426 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15
[2023-11-19 08:06:33,429 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:33,433 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 08:06:33,433 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:33,433 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913456223]
[2023-11-19 08:06:33,434 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913456223] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:33,434 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:33,434 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 08:06:33,435 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [835426613]
[2023-11-19 08:06:33,435 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:33,436 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:06:33,437 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:33,438 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:06:33,438 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:06:33,438 INFO  L87              Difference]: Start difference. First operand 73 states and 93 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 08:06:33,458 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:33,458 INFO  L93              Difference]: Finished difference Result 108 states and 136 transitions.
[2023-11-19 08:06:33,459 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 08:06:33,459 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 08:06:33,459 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:33,461 INFO  L225             Difference]: With dead ends: 108
[2023-11-19 08:06:33,461 INFO  L226             Difference]: Without dead ends: 64
[2023-11-19 08:06:33,462 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 08:06:33,464 INFO  L413           NwaCegarLoop]: 80 mSDtfsCounter, 16 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 139 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 08:06:33,465 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 139 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:06:33,466 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 64 states.
[2023-11-19 08:06:33,474 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 64.
[2023-11-19 08:06:33,475 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 64 states, 49 states have (on average 1.3265306122448979) internal successors, (65), 55 states have internal predecessors, (65), 8 states have call successors, (8), 6 states have call predecessors, (8), 6 states have return successors, (8), 6 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-19 08:06:33,476 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 81 transitions.
[2023-11-19 08:06:33,476 INFO  L78                 Accepts]: Start accepts. Automaton has 64 states and 81 transitions. Word has length 26
[2023-11-19 08:06:33,477 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:33,477 INFO  L495      AbstractCegarLoop]: Abstraction has 64 states and 81 transitions.
[2023-11-19 08:06:33,477 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 08:06:33,478 INFO  L276                IsEmpty]: Start isEmpty. Operand 64 states and 81 transitions.
[2023-11-19 08:06:33,479 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2023-11-19 08:06:33,479 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 08:06:33,480 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 08:06:33,480 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 08:06:33,480 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:06:33,481 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:33,481 INFO  L85        PathProgramCache]: Analyzing trace with hash 837913727, now seen corresponding path program 1 times
[2023-11-19 08:06:33,481 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:33,482 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320958403]
[2023-11-19 08:06:33,482 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:33,482 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:33,517 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:33,707 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2023-11-19 08:06:33,712 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:33,717 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 08:06:33,719 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:33,719 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320958403]
[2023-11-19 08:06:33,719 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320958403] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:33,720 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:33,721 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 08:06:33,722 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1468563394]
[2023-11-19 08:06:33,722 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:33,723 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 08:06:33,723 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:33,723 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 08:06:33,724 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30
[2023-11-19 08:06:33,724 INFO  L87              Difference]: Start difference. First operand 64 states and 81 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 08:06:33,945 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:33,945 INFO  L93              Difference]: Finished difference Result 221 states and 287 transitions.
[2023-11-19 08:06:33,946 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-11-19 08:06:33,946 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 08:06:33,946 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:33,949 INFO  L225             Difference]: With dead ends: 221
[2023-11-19 08:06:33,949 INFO  L226             Difference]: Without dead ends: 164
[2023-11-19 08:06:33,951 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56
[2023-11-19 08:06:33,952 INFO  L413           NwaCegarLoop]: 93 mSDtfsCounter, 166 mSDsluCounter, 346 mSDsCounter, 0 mSdLazyCounter, 75 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 166 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 88 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 75 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 08:06:33,953 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [166 Valid, 439 Invalid, 88 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 75 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 08:06:33,954 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 164 states.
[2023-11-19 08:06:33,981 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 158.
[2023-11-19 08:06:33,982 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 158 states, 119 states have (on average 1.361344537815126) internal successors, (162), 133 states have internal predecessors, (162), 21 states have call successors, (21), 17 states have call predecessors, (21), 17 states have return successors, (22), 15 states have call predecessors, (22), 21 states have call successors, (22)
[2023-11-19 08:06:33,984 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 205 transitions.
[2023-11-19 08:06:33,985 INFO  L78                 Accepts]: Start accepts. Automaton has 158 states and 205 transitions. Word has length 30
[2023-11-19 08:06:33,985 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:33,990 INFO  L495      AbstractCegarLoop]: Abstraction has 158 states and 205 transitions.
[2023-11-19 08:06:33,991 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 08:06:33,991 INFO  L276                IsEmpty]: Start isEmpty. Operand 158 states and 205 transitions.
[2023-11-19 08:06:33,993 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 36
[2023-11-19 08:06:33,993 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 08:06:33,993 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]
[2023-11-19 08:06:33,993 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 08:06:33,994 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:06:33,994 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:33,995 INFO  L85        PathProgramCache]: Analyzing trace with hash -528751266, now seen corresponding path program 1 times
[2023-11-19 08:06:33,995 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:33,995 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243629194]
[2023-11-19 08:06:33,995 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:33,995 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:34,016 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:34,146 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19
[2023-11-19 08:06:34,148 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:34,151 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2023-11-19 08:06:34,153 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:34,157 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 08:06:34,157 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:34,157 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243629194]
[2023-11-19 08:06:34,157 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243629194] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:34,158 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:34,158 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 08:06:34,158 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1011225827]
[2023-11-19 08:06:34,158 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:34,159 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 08:06:34,159 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:34,159 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 08:06:34,160 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 08:06:34,160 INFO  L87              Difference]: Start difference. First operand 158 states and 205 transitions. Second operand  has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 08:06:34,253 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:34,254 INFO  L93              Difference]: Finished difference Result 452 states and 606 transitions.
[2023-11-19 08:06:34,254 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-19 08:06:34,254 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 35
[2023-11-19 08:06:34,255 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:34,259 INFO  L225             Difference]: With dead ends: 452
[2023-11-19 08:06:34,260 INFO  L226             Difference]: Without dead ends: 301
[2023-11-19 08:06:34,262 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 6 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 08:06:34,263 INFO  L413           NwaCegarLoop]: 78 mSDtfsCounter, 50 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 297 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 08:06:34,264 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 297 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:06:34,265 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 301 states.
[2023-11-19 08:06:34,311 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 301 to 292.
[2023-11-19 08:06:34,312 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 292 states, 218 states have (on average 1.3394495412844036) internal successors, (292), 242 states have internal predecessors, (292), 42 states have call successors, (42), 34 states have call predecessors, (42), 31 states have return successors, (48), 27 states have call predecessors, (48), 42 states have call successors, (48)
[2023-11-19 08:06:34,319 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 292 states and 382 transitions.
[2023-11-19 08:06:34,319 INFO  L78                 Accepts]: Start accepts. Automaton has 292 states and 382 transitions. Word has length 35
[2023-11-19 08:06:34,325 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:34,325 INFO  L495      AbstractCegarLoop]: Abstraction has 292 states and 382 transitions.
[2023-11-19 08:06:34,325 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 6.0) internal successors, (30), 5 states have internal predecessors, (30), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 08:06:34,326 INFO  L276                IsEmpty]: Start isEmpty. Operand 292 states and 382 transitions.
[2023-11-19 08:06:34,328 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 38
[2023-11-19 08:06:34,329 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 08:06:34,329 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]
[2023-11-19 08:06:34,329 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 08:06:34,329 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:06:34,330 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:34,330 INFO  L85        PathProgramCache]: Analyzing trace with hash 506067257, now seen corresponding path program 1 times
[2023-11-19 08:06:34,330 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:34,330 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705368398]
[2023-11-19 08:06:34,330 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:34,331 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:34,364 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:34,468 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21
[2023-11-19 08:06:34,469 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:34,471 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26
[2023-11-19 08:06:34,473 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 08:06:34,479 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 08:06:34,479 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 08:06:34,479 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705368398]
[2023-11-19 08:06:34,480 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [705368398] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 08:06:34,480 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 08:06:34,480 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 08:06:34,480 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466848901]
[2023-11-19 08:06:34,480 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 08:06:34,481 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 08:06:34,481 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 08:06:34,483 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 08:06:34,484 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 08:06:34,484 INFO  L87              Difference]: Start difference. First operand 292 states and 382 transitions. Second operand  has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 08:06:34,534 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 08:06:34,535 INFO  L93              Difference]: Finished difference Result 516 states and 684 transitions.
[2023-11-19 08:06:34,536 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 08:06:34,536 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 37
[2023-11-19 08:06:34,536 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 08:06:34,542 INFO  L225             Difference]: With dead ends: 516
[2023-11-19 08:06:34,542 INFO  L226             Difference]: Without dead ends: 231
[2023-11-19 08:06:34,545 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 6 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 08:06:34,549 INFO  L413           NwaCegarLoop]: 56 mSDtfsCounter, 44 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 4 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 56 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 4 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 08:06:34,550 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 56 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 4 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 08:06:34,552 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 231 states.
[2023-11-19 08:06:34,603 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 231 to 227.
[2023-11-19 08:06:34,606 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 227 states, 173 states have (on average 1.2716763005780347) internal successors, (220), 183 states have internal predecessors, (220), 28 states have call successors, (28), 28 states have call predecessors, (28), 25 states have return successors, (30), 25 states have call predecessors, (30), 28 states have call successors, (30)
[2023-11-19 08:06:34,608 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 278 transitions.
[2023-11-19 08:06:34,608 INFO  L78                 Accepts]: Start accepts. Automaton has 227 states and 278 transitions. Word has length 37
[2023-11-19 08:06:34,609 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 08:06:34,609 INFO  L495      AbstractCegarLoop]: Abstraction has 227 states and 278 transitions.
[2023-11-19 08:06:34,610 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 2 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2)
[2023-11-19 08:06:34,610 INFO  L276                IsEmpty]: Start isEmpty. Operand 227 states and 278 transitions.
[2023-11-19 08:06:34,616 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 40
[2023-11-19 08:06:34,616 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 08:06:34,616 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]
[2023-11-19 08:06:34,617 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 08:06:34,619 INFO  L420      AbstractCegarLoop]: === Iteration 6 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 08:06:34,620 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 08:06:34,620 INFO  L85        PathProgramCache]: Analyzing trace with hash -302943176, now seen corresponding path program 1 times
[2023-11-19 08:06:34,621 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 08:06:34,621 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1430425951]
[2023-11-19 08:06:34,627 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 08:06:34,627 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 08:06:34,674 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:06:34,675 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-19 08:06:34,685 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-19 08:06:34,724 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-19 08:06:34,724 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-11-19 08:06:34,725 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 08:06:34,727 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2023-11-19 08:06:34,730 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2023-11-19 08:06:34,734 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 08:06:34,769 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret20 could not be translated
[2023-11-19 08:06:34,793 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 08:06:34 BoogieIcfgContainer
[2023-11-19 08:06:34,793 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 08:06:34,794 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 08:06:34,794 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-19 08:06:34,795 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-19 08:06:34,796 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 08:06:32" (3/4) ...
[2023-11-19 08:06:34,796 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2023-11-19 08:06:34,818 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret20 could not be translated
[2023-11-19 08:06:34,888 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dac0b26-9be3-4043-9b9b-0fc1d73024eb/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 08:06:34,889 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 08:06:34,889 INFO  L158              Benchmark]: Toolchain (without parser) took 3460.69ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 87.0MB in the beginning and 104.6MB in the end (delta: -17.6MB). Peak memory consumption was 46.0MB. Max. memory is 16.1GB.
[2023-11-19 08:06:34,890 INFO  L158              Benchmark]: CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 08:06:34,890 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 534.21ms. Allocated memory is still 134.2MB. Free memory was 86.6MB in the beginning and 67.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-11-19 08:06:34,890 INFO  L158              Benchmark]: Boogie Procedure Inliner took 51.77ms. Allocated memory is still 134.2MB. Free memory was 67.7MB in the beginning and 65.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:06:34,891 INFO  L158              Benchmark]: Boogie Preprocessor took 40.16ms. Allocated memory is still 134.2MB. Free memory was 65.6MB in the beginning and 64.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 08:06:34,891 INFO  L158              Benchmark]: RCFGBuilder took 594.74ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 64.0MB in the beginning and 156.4MB in the end (delta: -92.4MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB.
[2023-11-19 08:06:34,891 INFO  L158              Benchmark]: TraceAbstraction took 2137.17ms. Allocated memory is still 195.0MB. Free memory was 155.3MB in the beginning and 108.8MB in the end (delta: 46.6MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB.
[2023-11-19 08:06:34,892 INFO  L158              Benchmark]: Witness Printer took 94.53ms. Allocated memory is still 195.0MB. Free memory was 108.8MB in the beginning and 104.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-19 08:06:34,895 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.28ms. Allocated memory is still 134.2MB. Free memory is still 108.9MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 534.21ms. Allocated memory is still 134.2MB. Free memory was 86.6MB in the beginning and 67.7MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 51.77ms. Allocated memory is still 134.2MB. Free memory was 67.7MB in the beginning and 65.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 40.16ms. Allocated memory is still 134.2MB. Free memory was 65.6MB in the beginning and 64.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 594.74ms. Allocated memory was 134.2MB in the beginning and 195.0MB in the end (delta: 60.8MB). Free memory was 64.0MB in the beginning and 156.4MB in the end (delta: -92.4MB). Peak memory consumption was 10.9MB. Max. memory is 16.1GB.
 * TraceAbstraction took 2137.17ms. Allocated memory is still 195.0MB. Free memory was 155.3MB in the beginning and 108.8MB in the end (delta: 46.6MB). Peak memory consumption was 47.6MB. Max. memory is 16.1GB.
 * Witness Printer took 94.53ms. Allocated memory is still 195.0MB. Free memory was 108.8MB in the beginning and 104.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResultAtLocation [Line: 49]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [49]
  - GenericResultAtLocation [Line: 121]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [121]
  - GenericResultAtLocation [Line: 315]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Specification3_spec.i","") [315]
  - GenericResultAtLocation [Line: 351]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [351]
  - GenericResultAtLocation [Line: 360]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [360]
  - GenericResultAtLocation [Line: 398]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [398]
  - GenericResultAtLocation [Line: 764]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [764]
  - GenericResultAtLocation [Line: 853]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [853]
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~ret20 could not be translated
  - GenericResult: Unfinished Backtranslation
    The program execution was not completely translated back.
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~ret20 could not be translated
  - GenericResult: Unfinished Backtranslation
    The program execution was not completely translated back.
 * 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
  - CounterExampleResult [Line: 356]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L130]              int pumpRunning  =    0;
[L131]              int systemActive  =    1;
[L568]              static struct __ACC__ERR *head  =    (struct __ACC__ERR *)0;
[L765]              int waterLevel  =    1;
[L766]              int methaneLevelCritical  =    0;
[L854]              int cleanupTimeShifts  =    4;
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L927]              int retValue_acc ;
[L928]              int tmp ;
[L932]  FCALL       select_helpers()
[L933]  FCALL       select_features()
[L934]  CALL, EXPR  valid_product()
[L390]              int retValue_acc ;
[L393]              retValue_acc = 1
[L394]              return (retValue_acc);
        VAL         [\result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1]
[L934]  RET, EXPR   valid_product()
[L934]              tmp = valid_product()
[L936]  COND TRUE   \read(tmp)
[L938]  FCALL       setup()
[L939]  CALL        runTest()
[L921]  CALL        test()
[L56]               int splverifierCounter ;
[L57]               int tmp ;
[L58]               int tmp___0 ;
[L59]               int tmp___1 ;
[L60]               int tmp___2 ;
[L63]               splverifierCounter = 0
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L65]   COND TRUE   1
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L67]   COND TRUE   splverifierCounter < 4
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1]
[L73]               tmp = __VERIFIER_nondet_int()
[L75]   COND TRUE   \read(tmp)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=1]
[L77]   CALL        waterRise()
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1]
[L783]  COND TRUE   waterLevel < 2
[L784]              waterLevel = waterLevel + 1
        VAL         [\old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L77]   RET         waterRise()
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, waterLevel=2]
[L83]               tmp___0 = __VERIFIER_nondet_int()
[L85]   COND FALSE  !(\read(tmp___0))
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, waterLevel=2]
[L93]               tmp___2 = __VERIFIER_nondet_int()
[L95]   COND TRUE   \read(tmp___2)
        VAL         [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=-1, tmp___0=0, tmp___2=-2, waterLevel=2]
[L110]  CALL        timeShift()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L138]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L145]  COND TRUE   \read(systemActive)
[L147]  CALL        processEnvironment()
[L167]              int tmp ;
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L170]  COND FALSE  !(\read(pumpRunning))
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L185]  FCALL       processEnvironment__wrappee__base()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L147]  RET         processEnvironment()
[L153]  CALL        __utac_acc__Specification3_spec__1()
[L319]              int tmp ;
[L320]              int tmp___0 ;
[L321]              int tmp___1 ;
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L325]  CALL, EXPR  isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L804]              int retValue_acc ;
[L807]              retValue_acc = methaneLevelCritical
[L808]              return (retValue_acc);
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L325]  RET, EXPR   isMethaneLevelCritical()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]
[L325]              tmp = isMethaneLevelCritical()
[L327]  COND FALSE  !(\read(tmp))
[L331]  CALL, EXPR  getWaterLevel()
[L836]              int retValue_acc ;
[L839]              retValue_acc = waterLevel
[L840]              return (retValue_acc);
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2]
[L331]  RET, EXPR   getWaterLevel()
[L331]              tmp___0 = getWaterLevel()
[L333]  COND TRUE   tmp___0 == 2
[L335]  CALL, EXPR  isPumpRunning()
[L237]              int retValue_acc ;
[L240]              retValue_acc = pumpRunning
[L241]              return (retValue_acc);
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2]
[L335]  RET, EXPR   isPumpRunning()
[L335]              tmp___1 = isPumpRunning()
[L337]  COND FALSE  !(\read(tmp___1))
[L341]  CALL        __automaton_fail()
[L356]              reach_error()
        VAL         [\old(pumpRunning)=0, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2]

  - StatisticsResult: Ultimate Automizer benchmark data
    CFG has 8 procedures, 82 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.0s, OverallIterations: 6, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 280 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 276 mSDsluCounter, 1033 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 624 mSDsCounter, 17 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 107 IncrementalHoareTripleChecker+Invalid, 124 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 17 mSolverCounterUnsat, 409 mSDtfsCounter, 107 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 36 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=292occurred in iteration=4, InterpolantAutomatonStates: 19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 19 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 148 ConstructedInterpolants, 0 QuantifiedInterpolants, 282 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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
RESULT: Ultimate proved your program to be incorrect!
[2023-11-19 08:06:34,942 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4dac0b26-9be3-4043-9b9b-0fc1d73024eb/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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE