./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product14.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_7d1d17c5-c433-4f5c-bd70-2f37ea8311dd/bin/uautomizer-verify-uCwYo4JHxu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1d17c5-c433-4f5c-bd70-2f37ea8311dd/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_7d1d17c5-c433-4f5c-bd70-2f37ea8311dd/bin/uautomizer-verify-uCwYo4JHxu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1d17c5-c433-4f5c-bd70-2f37ea8311dd/bin/uautomizer-verify-uCwYo4JHxu/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1d17c5-c433-4f5c-bd70-2f37ea8311dd/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_7d1d17c5-c433-4f5c-bd70-2f37ea8311dd/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 dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-9bd2c7f
[2023-11-19 07:49:38,674 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-19 07:49:38,803 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1d17c5-c433-4f5c-bd70-2f37ea8311dd/bin/uautomizer-verify-uCwYo4JHxu/config/svcomp-Reach-32bit-Automizer_Default.epf
[2023-11-19 07:49:38,812 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-19 07:49:38,813 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-19 07:49:38,854 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-19 07:49:38,855 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-19 07:49:38,855 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-19 07:49:38,857 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-19 07:49:38,862 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-19 07:49:38,863 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-19 07:49:38,863 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-19 07:49:38,864 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-19 07:49:38,866 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-19 07:49:38,866 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-19 07:49:38,867 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-19 07:49:38,867 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-19 07:49:38,868 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-19 07:49:38,868 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-19 07:49:38,869 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-19 07:49:38,869 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-19 07:49:38,870 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-19 07:49:38,870 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-19 07:49:38,871 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-19 07:49:38,872 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-19 07:49:38,872 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-19 07:49:38,873 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-19 07:49:38,874 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-19 07:49:38,874 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:49:38,875 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-19 07:49:38,876 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-19 07:49:38,876 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-19 07:49:38,877 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-19 07:49:38,877 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-19 07:49:38,877 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-11-19 07:49:38,878 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-19 07:49:38,878 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2023-11-19 07:49:38,878 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-11-19 07:49:38,878 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
[2023-11-19 07:49:38,879 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_7d1d17c5-c433-4f5c-bd70-2f37ea8311dd/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_7d1d17c5-c433-4f5c-bd70-2f37ea8311dd/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 -> dc29098f4fd0de7b34ca1f86e5228e41fa7841081f2e41f7454108ef1ad7724c
[2023-11-19 07:49:39,222 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-19 07:49:39,272 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-19 07:49:39,275 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-19 07:49:39,276 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-19 07:49:39,277 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-19 07:49:39,278 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1d17c5-c433-4f5c-bd70-2f37ea8311dd/bin/uautomizer-verify-uCwYo4JHxu/../../sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c
[2023-11-19 07:49:42,329 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-19 07:49:42,640 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-19 07:49:42,641 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1d17c5-c433-4f5c-bd70-2f37ea8311dd/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c
[2023-11-19 07:49:42,658 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1d17c5-c433-4f5c-bd70-2f37ea8311dd/bin/uautomizer-verify-uCwYo4JHxu/data/ed28f5c87/ed5ff722183c4c8a8a50281a4f89d37e/FLAGb04d0a5bd
[2023-11-19 07:49:42,674 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1d17c5-c433-4f5c-bd70-2f37ea8311dd/bin/uautomizer-verify-uCwYo4JHxu/data/ed28f5c87/ed5ff722183c4c8a8a50281a4f89d37e
[2023-11-19 07:49:42,677 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-19 07:49:42,679 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-19 07:49:42,681 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-19 07:49:42,681 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-19 07:49:42,690 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-19 07:49:42,691 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:42" (1/1) ...
[2023-11-19 07:49:42,692 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@334db28e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:42, skipping insertion in model container
[2023-11-19 07:49:42,692 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:49:42" (1/1) ...
[2023-11-19 07:49:42,757 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-19 07:49:43,043 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_7d1d17c5-c433-4f5c-bd70-2f37ea8311dd/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c[15980,15993]
[2023-11-19 07:49:43,070 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:49:43,091 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-19 07:49:43,102 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"featureselect.i","") [49]
[2023-11-19 07:49:43,104 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87]
[2023-11-19 07:49:43,104 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [173]
[2023-11-19 07:49:43,104 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [539]
[2023-11-19 07:49:43,105 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [609]
[2023-11-19 07:49:43,105 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [772]
[2023-11-19 07:49:43,106 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [781]
[2023-11-19 07:49:43,106 WARN  L75    lationResultReporter]: Unsoundness Warning: Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [877]
[2023-11-19 07:49:43,205 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_7d1d17c5-c433-4f5c-bd70-2f37ea8311dd/sv-benchmarks/c/product-lines/minepump_spec4_product14.cil.c[15980,15993]
[2023-11-19 07:49:43,212 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-19 07:49:43,240 INFO  L206         MainTranslator]: Completed translation
[2023-11-19 07:49:43,241 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:43 WrapperNode
[2023-11-19 07:49:43,241 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-19 07:49:43,242 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-19 07:49:43,242 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-19 07:49:43,243 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-19 07:49:43,251 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:43" (1/1) ...
[2023-11-19 07:49:43,277 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:43" (1/1) ...
[2023-11-19 07:49:43,307 INFO  L138                Inliner]: procedures = 52, calls = 95, calls flagged for inlining = 21, calls inlined = 17, statements flattened = 163
[2023-11-19 07:49:43,308 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-19 07:49:43,309 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-19 07:49:43,309 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-19 07:49:43,309 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-19 07:49:43,325 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:43" (1/1) ...
[2023-11-19 07:49:43,325 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:43" (1/1) ...
[2023-11-19 07:49:43,335 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:43" (1/1) ...
[2023-11-19 07:49:43,348 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:43" (1/1) ...
[2023-11-19 07:49:43,353 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:43" (1/1) ...
[2023-11-19 07:49:43,357 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:43" (1/1) ...
[2023-11-19 07:49:43,374 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:43" (1/1) ...
[2023-11-19 07:49:43,376 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:43" (1/1) ...
[2023-11-19 07:49:43,378 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-19 07:49:43,379 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-19 07:49:43,379 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-19 07:49:43,379 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-19 07:49:43,380 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:43" (1/1) ...
[2023-11-19 07:49:43,389 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-19 07:49:43,410 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1d17c5-c433-4f5c-bd70-2f37ea8311dd/bin/uautomizer-verify-uCwYo4JHxu/z3
[2023-11-19 07:49:43,426 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1d17c5-c433-4f5c-bd70-2f37ea8311dd/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-19 07:49:43,436 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1d17c5-c433-4f5c-bd70-2f37ea8311dd/bin/uautomizer-verify-uCwYo4JHxu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-19 07:49:43,467 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-19 07:49:43,467 INFO  L130     BoogieDeclarations]: Found specification of procedure cleanup
[2023-11-19 07:49:43,467 INFO  L138     BoogieDeclarations]: Found implementation of procedure cleanup
[2023-11-19 07:49:43,467 INFO  L130     BoogieDeclarations]: Found specification of procedure timeShift
[2023-11-19 07:49:43,469 INFO  L138     BoogieDeclarations]: Found implementation of procedure timeShift
[2023-11-19 07:49:43,470 INFO  L130     BoogieDeclarations]: Found specification of procedure waterRise
[2023-11-19 07:49:43,470 INFO  L138     BoogieDeclarations]: Found implementation of procedure waterRise
[2023-11-19 07:49:43,470 INFO  L130     BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery
[2023-11-19 07:49:43,470 INFO  L138     BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery
[2023-11-19 07:49:43,470 INFO  L130     BoogieDeclarations]: Found specification of procedure isMethaneAlarm
[2023-11-19 07:49:43,471 INFO  L138     BoogieDeclarations]: Found implementation of procedure isMethaneAlarm
[2023-11-19 07:49:43,471 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-11-19 07:49:43,471 INFO  L130     BoogieDeclarations]: Found specification of procedure changeMethaneLevel
[2023-11-19 07:49:43,471 INFO  L138     BoogieDeclarations]: Found implementation of procedure changeMethaneLevel
[2023-11-19 07:49:43,471 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-19 07:49:43,472 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-19 07:49:43,550 INFO  L236             CfgBuilder]: Building ICFG
[2023-11-19 07:49:43,552 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-19 07:49:43,878 INFO  L277             CfgBuilder]: Performing block encoding
[2023-11-19 07:49:43,889 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-19 07:49:43,889 INFO  L302             CfgBuilder]: Removed 2 assume(true) statements.
[2023-11-19 07:49:43,893 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:43 BoogieIcfgContainer
[2023-11-19 07:49:43,893 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-19 07:49:43,896 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-19 07:49:43,896 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-19 07:49:43,899 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-19 07:49:43,900 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:49:42" (1/3) ...
[2023-11-19 07:49:43,900 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5b2d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:43, skipping insertion in model container
[2023-11-19 07:49:43,900 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:49:43" (2/3) ...
[2023-11-19 07:49:43,901 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d5b2d25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:49:43, skipping insertion in model container
[2023-11-19 07:49:43,901 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:43" (3/3) ...
[2023-11-19 07:49:43,902 INFO  L112   eAbstractionObserver]: Analyzing ICFG minepump_spec4_product14.cil.c
[2023-11-19 07:49:43,921 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-19 07:49:43,921 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-11-19 07:49:43,965 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-11-19 07:49:43,971 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;@2f082e55, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-11-19 07:49:43,971 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-11-19 07:49:43,975 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 72 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 61 states have internal predecessors, (76), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9)
[2023-11-19 07:49:43,982 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 20
[2023-11-19 07:49:43,983 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:49:43,983 INFO  L195           NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-11-19 07:49:43,984 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:49:43,991 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:49:43,991 INFO  L85        PathProgramCache]: Analyzing trace with hash 543073060, now seen corresponding path program 1 times
[2023-11-19 07:49:44,001 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:49:44,002 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [989039911]
[2023-11-19 07:49:44,002 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:49:44,002 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:49:44,113 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:49:44,188 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 07:49:44,189 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:49:44,189 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [989039911]
[2023-11-19 07:49:44,190 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [989039911] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:49:44,190 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:49:44,190 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-19 07:49:44,191 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1663094669]
[2023-11-19 07:49:44,192 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:49:44,196 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-11-19 07:49:44,196 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:49:44,243 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-11-19 07:49:44,244 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-11-19 07:49:44,246 INFO  L87              Difference]: Start difference. First operand  has 72 states, 55 states have (on average 1.3818181818181818) internal successors, (76), 61 states have internal predecessors, (76), 9 states have call successors, (9), 6 states have call predecessors, (9), 6 states have return successors, (9), 8 states have call predecessors, (9), 9 states have call successors, (9) Second operand  has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:49:44,298 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:49:44,299 INFO  L93              Difference]: Finished difference Result 136 states and 183 transitions.
[2023-11-19 07:49:44,299 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-19 07:49:44,301 INFO  L78                 Accepts]: Start accepts. Automaton has  has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19
[2023-11-19 07:49:44,301 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:49:44,311 INFO  L225             Difference]: With dead ends: 136
[2023-11-19 07:49:44,311 INFO  L226             Difference]: Without dead ends: 63
[2023-11-19 07:49:44,316 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 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 07:49:44,321 INFO  L413           NwaCegarLoop]: 88 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, 88 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 07:49:44,322 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:49:44,339 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 63 states.
[2023-11-19 07:49:44,365 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63.
[2023-11-19 07:49:44,367 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 63 states, 48 states have (on average 1.2916666666666667) internal successors, (62), 53 states have internal predecessors, (62), 9 states have call successors, (9), 6 states have call predecessors, (9), 5 states have return successors, (8), 7 states have call predecessors, (8), 8 states have call successors, (8)
[2023-11-19 07:49:44,372 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 79 transitions.
[2023-11-19 07:49:44,374 INFO  L78                 Accepts]: Start accepts. Automaton has 63 states and 79 transitions. Word has length 19
[2023-11-19 07:49:44,375 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:49:44,375 INFO  L495      AbstractCegarLoop]: Abstraction has 63 states and 79 transitions.
[2023-11-19 07:49:44,375 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:49:44,375 INFO  L276                IsEmpty]: Start isEmpty. Operand 63 states and 79 transitions.
[2023-11-19 07:49:44,377 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 21
[2023-11-19 07:49:44,377 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:49:44,378 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]
[2023-11-19 07:49:44,378 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-19 07:49:44,378 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:49:44,379 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:49:44,379 INFO  L85        PathProgramCache]: Analyzing trace with hash -1467291632, now seen corresponding path program 1 times
[2023-11-19 07:49:44,380 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:49:44,380 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599366185]
[2023-11-19 07:49:44,380 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:49:44,380 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:49:44,405 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:49:44,507 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 07:49:44,507 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:49:44,508 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599366185]
[2023-11-19 07:49:44,508 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599366185] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:49:44,508 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:49:44,508 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:49:44,509 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753403481]
[2023-11-19 07:49:44,509 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:49:44,510 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:49:44,510 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:49:44,511 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:49:44,511 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:49:44,512 INFO  L87              Difference]: Start difference. First operand 63 states and 79 transitions. Second operand  has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:49:44,525 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:49:44,526 INFO  L93              Difference]: Finished difference Result 91 states and 113 transitions.
[2023-11-19 07:49:44,526 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:49:44,527 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 20
[2023-11-19 07:49:44,527 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:49:44,528 INFO  L225             Difference]: With dead ends: 91
[2023-11-19 07:49:44,528 INFO  L226             Difference]: Without dead ends: 54
[2023-11-19 07:49:44,529 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 07:49:44,531 INFO  L413           NwaCegarLoop]: 66 mSDtfsCounter, 13 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 115 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 07:49:44,531 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 115 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:49:44,532 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2023-11-19 07:49:44,539 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2023-11-19 07:49:44,539 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54 states, 42 states have (on average 1.3095238095238095) internal successors, (55), 47 states have internal predecessors, (55), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-19 07:49:44,541 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 67 transitions.
[2023-11-19 07:49:44,541 INFO  L78                 Accepts]: Start accepts. Automaton has 54 states and 67 transitions. Word has length 20
[2023-11-19 07:49:44,541 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:49:44,541 INFO  L495      AbstractCegarLoop]: Abstraction has 54 states and 67 transitions.
[2023-11-19 07:49:44,541 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 1 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:49:44,542 INFO  L276                IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions.
[2023-11-19 07:49:44,543 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 26
[2023-11-19 07:49:44,543 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:49:44,543 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 07:49:44,544 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-19 07:49:44,544 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:49:44,544 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:49:44,545 INFO  L85        PathProgramCache]: Analyzing trace with hash -522814899, now seen corresponding path program 1 times
[2023-11-19 07:49:44,545 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:49:44,545 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1164866021]
[2023-11-19 07:49:44,545 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:49:44,546 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:49:44,572 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:49:44,729 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 07:49:44,730 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:49:44,730 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1164866021]
[2023-11-19 07:49:44,731 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1164866021] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:49:44,731 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:49:44,731 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-11-19 07:49:44,731 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296538208]
[2023-11-19 07:49:44,731 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:49:44,732 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-19 07:49:44,732 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:49:44,733 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-19 07:49:44,733 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-19 07:49:44,733 INFO  L87              Difference]: Start difference. First operand 54 states and 67 transitions. Second operand  has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:49:44,771 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:49:44,771 INFO  L93              Difference]: Finished difference Result 101 states and 128 transitions.
[2023-11-19 07:49:44,774 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-19 07:49:44,774 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25
[2023-11-19 07:49:44,775 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:49:44,777 INFO  L225             Difference]: With dead ends: 101
[2023-11-19 07:49:44,779 INFO  L226             Difference]: Without dead ends: 54
[2023-11-19 07:49:44,780 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 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 07:49:44,783 INFO  L413           NwaCegarLoop]: 65 mSDtfsCounter, 61 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 65 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:49:44,788 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 65 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:49:44,789 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 54 states.
[2023-11-19 07:49:44,804 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 54.
[2023-11-19 07:49:44,804 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 54 states, 42 states have (on average 1.2857142857142858) internal successors, (54), 47 states have internal predecessors, (54), 6 states have call successors, (6), 5 states have call predecessors, (6), 5 states have return successors, (6), 5 states have call predecessors, (6), 6 states have call successors, (6)
[2023-11-19 07:49:44,806 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 66 transitions.
[2023-11-19 07:49:44,806 INFO  L78                 Accepts]: Start accepts. Automaton has 54 states and 66 transitions. Word has length 25
[2023-11-19 07:49:44,807 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:49:44,807 INFO  L495      AbstractCegarLoop]: Abstraction has 54 states and 66 transitions.
[2023-11-19 07:49:44,807 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 8.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-19 07:49:44,807 INFO  L276                IsEmpty]: Start isEmpty. Operand 54 states and 66 transitions.
[2023-11-19 07:49:44,809 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 31
[2023-11-19 07:49:44,809 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:49:44,809 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 07:49:44,809 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-19 07:49:44,810 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:49:44,810 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:49:44,810 INFO  L85        PathProgramCache]: Analyzing trace with hash -2111262197, now seen corresponding path program 1 times
[2023-11-19 07:49:44,811 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:49:44,811 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1356455086]
[2023-11-19 07:49:44,811 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:49:44,812 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:49:44,834 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:49:45,021 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 20
[2023-11-19 07:49:45,023 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:49:45,026 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 07:49:45,026 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:49:45,026 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1356455086]
[2023-11-19 07:49:45,027 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1356455086] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:49:45,027 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:49:45,027 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2023-11-19 07:49:45,027 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103914147]
[2023-11-19 07:49:45,027 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:49:45,028 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2023-11-19 07:49:45,028 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:49:45,029 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2023-11-19 07:49:45,030 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2023-11-19 07:49:45,030 INFO  L87              Difference]: Start difference. First operand 54 states and 66 transitions. Second operand  has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 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 07:49:45,152 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:49:45,153 INFO  L93              Difference]: Finished difference Result 141 states and 181 transitions.
[2023-11-19 07:49:45,153 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2023-11-19 07:49:45,154 INFO  L78                 Accepts]: Start accepts. Automaton has  has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 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 07:49:45,154 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:49:45,159 INFO  L225             Difference]: With dead ends: 141
[2023-11-19 07:49:45,160 INFO  L226             Difference]: Without dead ends: 94
[2023-11-19 07:49:45,161 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 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 07:49:45,166 INFO  L413           NwaCegarLoop]: 61 mSDtfsCounter, 36 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 236 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time
[2023-11-19 07:49:45,167 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 236 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time]
[2023-11-19 07:49:45,170 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 94 states.
[2023-11-19 07:49:45,187 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 94.
[2023-11-19 07:49:45,191 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 94 states, 72 states have (on average 1.2777777777777777) internal successors, (92), 80 states have internal predecessors, (92), 12 states have call successors, (12), 10 states have call predecessors, (12), 9 states have return successors, (13), 9 states have call predecessors, (13), 12 states have call successors, (13)
[2023-11-19 07:49:45,197 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 117 transitions.
[2023-11-19 07:49:45,197 INFO  L78                 Accepts]: Start accepts. Automaton has 94 states and 117 transitions. Word has length 30
[2023-11-19 07:49:45,198 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:49:45,198 INFO  L495      AbstractCegarLoop]: Abstraction has 94 states and 117 transitions.
[2023-11-19 07:49:45,198 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 5.4) internal successors, (27), 5 states have internal predecessors, (27), 1 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 07:49:45,199 INFO  L276                IsEmpty]: Start isEmpty. Operand 94 states and 117 transitions.
[2023-11-19 07:49:45,206 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 35
[2023-11-19 07:49:45,206 INFO  L187           NwaCegarLoop]: Found error trace
[2023-11-19 07:49:45,206 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]
[2023-11-19 07:49:45,206 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-11-19 07:49:45,208 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION === [timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-11-19 07:49:45,209 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-19 07:49:45,209 INFO  L85        PathProgramCache]: Analyzing trace with hash 884371153, now seen corresponding path program 1 times
[2023-11-19 07:49:45,209 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-19 07:49:45,210 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824526803]
[2023-11-19 07:49:45,210 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-19 07:49:45,210 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-19 07:49:45,250 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:49:45,350 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11
[2023-11-19 07:49:45,352 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:49:45,356 INFO  L376   atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24
[2023-11-19 07:49:45,358 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-19 07:49:45,360 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 07:49:45,360 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-19 07:49:45,361 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824526803]
[2023-11-19 07:49:45,361 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824526803] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-19 07:49:45,361 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-19 07:49:45,361 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-11-19 07:49:45,361 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1272354354]
[2023-11-19 07:49:45,362 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-19 07:49:45,362 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-11-19 07:49:45,362 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-19 07:49:45,363 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-11-19 07:49:45,363 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-11-19 07:49:45,363 INFO  L87              Difference]: Start difference. First operand 94 states and 117 transitions. Second operand  has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 3 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 07:49:45,476 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2023-11-19 07:49:45,476 INFO  L93              Difference]: Finished difference Result 163 states and 207 transitions.
[2023-11-19 07:49:45,477 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-11-19 07:49:45,477 INFO  L78                 Accepts]: Start accepts. Automaton has  has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 3 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 34
[2023-11-19 07:49:45,478 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2023-11-19 07:49:45,478 INFO  L225             Difference]: With dead ends: 163
[2023-11-19 07:49:45,478 INFO  L226             Difference]: Without dead ends: 0
[2023-11-19 07:49:45,480 INFO  L412           NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72
[2023-11-19 07:49:45,484 INFO  L413           NwaCegarLoop]: 40 mSDtfsCounter, 43 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time
[2023-11-19 07:49:45,485 INFO  L414           NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 136 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time]
[2023-11-19 07:49:45,485 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 0 states.
[2023-11-19 07:49:45,486 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0.
[2023-11-19 07:49:45,486 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 07:49:45,486 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions.
[2023-11-19 07:49:45,487 INFO  L78                 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34
[2023-11-19 07:49:45,487 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2023-11-19 07:49:45,488 INFO  L495      AbstractCegarLoop]: Abstraction has 0 states and 0 transitions.
[2023-11-19 07:49:45,488 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 4.833333333333333) internal successors, (29), 5 states have internal predecessors, (29), 1 states have call successors, (3), 3 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 07:49:45,488 INFO  L276                IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions.
[2023-11-19 07:49:45,488 INFO  L282                IsEmpty]: Finished isEmpty. No accepting run.
[2023-11-19 07:49:45,491 INFO  L805   garLoopResultBuilder]: Registering result SAFE for location timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-11-19 07:49:45,492 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-11-19 07:49:45,494 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.
[2023-11-19 07:49:45,720 INFO  L899   garLoopResultBuilder]: For program point L124-1(lines 120 131) no Hoare annotation was computed.
[2023-11-19 07:49:45,720 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 120 131) the Hoare annotation is: true
[2023-11-19 07:49:45,720 INFO  L899   garLoopResultBuilder]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed.
[2023-11-19 07:49:45,721 INFO  L899   garLoopResultBuilder]: For program point cleanupEXIT(lines 783 812) no Hoare annotation was computed.
[2023-11-19 07:49:45,721 INFO  L899   garLoopResultBuilder]: For program point L797(lines 797 801) no Hoare annotation was computed.
[2023-11-19 07:49:45,721 INFO  L902   garLoopResultBuilder]: At program point L797-1(lines 797 801) the Hoare annotation is: true
[2023-11-19 07:49:45,721 INFO  L899   garLoopResultBuilder]: For program point L794(line 794) no Hoare annotation was computed.
[2023-11-19 07:49:45,722 INFO  L902   garLoopResultBuilder]: At program point L793-2(lines 793 807) the Hoare annotation is: true
[2023-11-19 07:49:45,722 INFO  L902   garLoopResultBuilder]: At program point L789(line 789) the Hoare annotation is: true
[2023-11-19 07:49:45,722 INFO  L899   garLoopResultBuilder]: For program point L789-1(line 789) no Hoare annotation was computed.
[2023-11-19 07:49:45,722 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 783 812) the Hoare annotation is: true
[2023-11-19 07:49:45,722 INFO  L899   garLoopResultBuilder]: For program point L808(lines 783 812) no Hoare annotation was computed.
[2023-11-19 07:49:45,723 INFO  L899   garLoopResultBuilder]: For program point L804(line 804) no Hoare annotation was computed.
[2023-11-19 07:49:45,723 INFO  L899   garLoopResultBuilder]: For program point L890(lines 890 896) no Hoare annotation was computed.
[2023-11-19 07:49:45,723 INFO  L899   garLoopResultBuilder]: For program point L886(lines 886 899) no Hoare annotation was computed.
[2023-11-19 07:49:45,723 INFO  L899   garLoopResultBuilder]: For program point L886-1(lines 878 902) no Hoare annotation was computed.
[2023-11-19 07:49:45,724 INFO  L899   garLoopResultBuilder]: For program point L622-1(lines 621 640) no Hoare annotation was computed.
[2023-11-19 07:49:45,724 INFO  L899   garLoopResultBuilder]: For program point timeShiftFINAL(lines 618 641) no Hoare annotation was computed.
[2023-11-19 07:49:45,724 INFO  L895   garLoopResultBuilder]: At program point L664(line 664) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)))
[2023-11-19 07:49:45,724 INFO  L899   garLoopResultBuilder]: For program point getWaterLevel_returnLabel#1(lines 164 172) no Hoare annotation was computed.
[2023-11-19 07:49:45,724 INFO  L895   garLoopResultBuilder]: At program point L656(line 656) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (not (= 1 ~systemActive~0)))
[2023-11-19 07:49:45,725 INFO  L899   garLoopResultBuilder]: For program point L656-1(line 656) no Hoare annotation was computed.
[2023-11-19 07:49:45,725 INFO  L895   garLoopResultBuilder]: At program point L669(line 669) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0)))
[2023-11-19 07:49:45,725 INFO  L899   garLoopResultBuilder]: For program point L669-1(lines 650 674) no Hoare annotation was computed.
[2023-11-19 07:49:45,725 INFO  L899   garLoopResultBuilder]: For program point __automaton_fail_returnLabel#1(lines 773 780) no Hoare annotation was computed.
[2023-11-19 07:49:45,725 INFO  L895   garLoopResultBuilder]: At program point $Ultimate##0(lines 618 641) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= ~pumpRunning~0 0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 1 ~systemActive~0)))
[2023-11-19 07:49:45,726 INFO  L899   garLoopResultBuilder]: For program point L777(line 777) no Hoare annotation was computed.
[2023-11-19 07:49:45,726 INFO  L899   garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed.
[2023-11-19 07:49:45,726 INFO  L899   garLoopResultBuilder]: For program point L100-2(lines 96 107) no Hoare annotation was computed.
[2023-11-19 07:49:45,726 INFO  L899   garLoopResultBuilder]: For program point deactivatePump_returnLabel#1(lines 700 707) no Hoare annotation was computed.
[2023-11-19 07:49:45,726 INFO  L899   garLoopResultBuilder]: For program point L629-1(lines 629 635) no Hoare annotation was computed.
[2023-11-19 07:49:45,727 INFO  L899   garLoopResultBuilder]: For program point L658(lines 658 666) no Hoare annotation was computed.
[2023-11-19 07:49:45,727 INFO  L899   garLoopResultBuilder]: For program point L654(lines 654 671) no Hoare annotation was computed.
[2023-11-19 07:49:45,727 INFO  L899   garLoopResultBuilder]: For program point timeShiftEXIT(lines 618 641) no Hoare annotation was computed.
[2023-11-19 07:49:45,727 INFO  L899   garLoopResultBuilder]: For program point isPumpRunning_returnLabel#1(lines 719 727) no Hoare annotation was computed.
[2023-11-19 07:49:45,727 INFO  L899   garLoopResultBuilder]: For program point timeShiftErr0ASSERT_VIOLATIONERROR_FUNCTION(line 777) no Hoare annotation was computed.
[2023-11-19 07:49:45,728 INFO  L899   garLoopResultBuilder]: For program point startSystem_returnLabel#1(lines 764 771) no Hoare annotation was computed.
[2023-11-19 07:49:45,728 INFO  L895   garLoopResultBuilder]: At program point L601(lines 552 602) the Hoare annotation is: false
[2023-11-19 07:49:45,728 INFO  L899   garLoopResultBuilder]: For program point runTest_returnLabel#1(lines 844 853) no Hoare annotation was computed.
[2023-11-19 07:49:45,728 INFO  L899   garLoopResultBuilder]: For program point select_features_returnLabel#1(lines 64 70) no Hoare annotation was computed.
[2023-11-19 07:49:45,728 INFO  L899   garLoopResultBuilder]: For program point main_returnLabel#1(lines 854 876) no Hoare annotation was computed.
[2023-11-19 07:49:45,728 INFO  L899   garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed.
[2023-11-19 07:49:45,729 INFO  L899   garLoopResultBuilder]: For program point L573(lines 573 579) no Hoare annotation was computed.
[2023-11-19 07:49:45,729 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed.
[2023-11-19 07:49:45,729 INFO  L899   garLoopResultBuilder]: For program point L573-1(lines 573 579) no Hoare annotation was computed.
[2023-11-19 07:49:45,729 INFO  L895   garLoopResultBuilder]: At program point L598(lines 553 600) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2023-11-19 07:49:45,729 INFO  L895   garLoopResultBuilder]: At program point L565(line 565) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2023-11-19 07:49:45,730 INFO  L899   garLoopResultBuilder]: For program point setup_returnLabel#1(lines 837 843) no Hoare annotation was computed.
[2023-11-19 07:49:45,730 INFO  L899   garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed.
[2023-11-19 07:49:45,730 INFO  L899   garLoopResultBuilder]: For program point L591(lines 591 595) no Hoare annotation was computed.
[2023-11-19 07:49:45,730 INFO  L895   garLoopResultBuilder]: At program point L591-2(lines 583 596) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2023-11-19 07:49:45,730 INFO  L899   garLoopResultBuilder]: For program point L554(lines 553 600) no Hoare annotation was computed.
[2023-11-19 07:49:45,731 INFO  L899   garLoopResultBuilder]: For program point $Ultimate##0(line -1) no Hoare annotation was computed.
[2023-11-19 07:49:45,731 INFO  L899   garLoopResultBuilder]: For program point select_helpers_returnLabel#1(lines 71 77) no Hoare annotation was computed.
[2023-11-19 07:49:45,731 INFO  L899   garLoopResultBuilder]: For program point L583(lines 583 596) no Hoare annotation was computed.
[2023-11-19 07:49:45,731 INFO  L899   garLoopResultBuilder]: For program point L864(lines 864 871) no Hoare annotation was computed.
[2023-11-19 07:49:45,731 INFO  L895   garLoopResultBuilder]: At program point L575(line 575) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))
[2023-11-19 07:49:45,732 INFO  L899   garLoopResultBuilder]: For program point L864-2(lines 864 871) no Hoare annotation was computed.
[2023-11-19 07:49:45,733 INFO  L899   garLoopResultBuilder]: For program point L604(lines 543 608) no Hoare annotation was computed.
[2023-11-19 07:49:45,733 INFO  L899   garLoopResultBuilder]: For program point L563(lines 563 569) no Hoare annotation was computed.
[2023-11-19 07:49:45,733 INFO  L899   garLoopResultBuilder]: For program point L563-1(lines 563 569) no Hoare annotation was computed.
[2023-11-19 07:49:45,733 INFO  L899   garLoopResultBuilder]: For program point valid_product_returnLabel#1(lines 78 86) no Hoare annotation was computed.
[2023-11-19 07:49:45,733 INFO  L899   garLoopResultBuilder]: For program point L555(lines 555 559) no Hoare annotation was computed.
[2023-11-19 07:49:45,733 INFO  L899   garLoopResultBuilder]: For program point L112-1(lines 108 119) no Hoare annotation was computed.
[2023-11-19 07:49:45,734 INFO  L899   garLoopResultBuilder]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed.
[2023-11-19 07:49:45,734 INFO  L895   garLoopResultBuilder]: At program point $Ultimate##0(lines 108 119) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~waterLevel~0)| ~waterLevel~0))
[2023-11-19 07:49:45,734 INFO  L899   garLoopResultBuilder]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 642 648) no Hoare annotation was computed.
[2023-11-19 07:49:45,734 INFO  L902   garLoopResultBuilder]: At program point processEnvironment__wrappee__methaneQueryFINAL(lines 642 648) the Hoare annotation is: true
[2023-11-19 07:49:45,734 INFO  L899   garLoopResultBuilder]: For program point isMethaneLevelCritical_returnLabel#1(lines 132 140) no Hoare annotation was computed.
[2023-11-19 07:49:45,734 INFO  L899   garLoopResultBuilder]: For program point isMethaneAlarmEXIT(lines 708 718) no Hoare annotation was computed.
[2023-11-19 07:49:45,734 INFO  L902   garLoopResultBuilder]: At program point $Ultimate##0(lines 708 718) the Hoare annotation is: true
[2023-11-19 07:49:45,735 INFO  L899   garLoopResultBuilder]: For program point isMethaneAlarmFINAL(lines 708 718) no Hoare annotation was computed.
[2023-11-19 07:49:45,737 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-11-19 07:49:45,739 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-19 07:49:45,755 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:49:45 BoogieIcfgContainer
[2023-11-19 07:49:45,755 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-19 07:49:45,756 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-19 07:49:45,756 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-19 07:49:45,756 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-19 07:49:45,757 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:49:43" (3/4) ...
[2023-11-19 07:49:45,759 INFO  L137         WitnessPrinter]: Generating witness for correct program
[2023-11-19 07:49:45,764 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure changeMethaneLevel
[2023-11-19 07:49:45,765 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure cleanup
[2023-11-19 07:49:45,765 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure timeShift
[2023-11-19 07:49:45,765 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure waterRise
[2023-11-19 07:49:45,765 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure processEnvironment__wrappee__methaneQuery
[2023-11-19 07:49:45,766 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure isMethaneAlarm
[2023-11-19 07:49:45,775 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges
[2023-11-19 07:49:45,776 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2023-11-19 07:49:45,776 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2023-11-19 07:49:45,777 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:49:45,777 INFO  L943   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2023-11-19 07:49:45,894 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1d17c5-c433-4f5c-bd70-2f37ea8311dd/bin/uautomizer-verify-uCwYo4JHxu/witness.graphml
[2023-11-19 07:49:45,894 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1d17c5-c433-4f5c-bd70-2f37ea8311dd/bin/uautomizer-verify-uCwYo4JHxu/witness.yml
[2023-11-19 07:49:45,895 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-19 07:49:45,895 INFO  L158              Benchmark]: Toolchain (without parser) took 3216.35ms. Allocated memory is still 146.8MB. Free memory was 100.2MB in the beginning and 65.3MB in the end (delta: 34.8MB). Peak memory consumption was 35.8MB. Max. memory is 16.1GB.
[2023-11-19 07:49:45,896 INFO  L158              Benchmark]: CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory was 91.2MB in the beginning and 91.2MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:49:45,896 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 560.69ms. Allocated memory is still 146.8MB. Free memory was 100.2MB in the beginning and 81.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
[2023-11-19 07:49:45,896 INFO  L158              Benchmark]: Boogie Procedure Inliner took 65.93ms. Allocated memory is still 146.8MB. Free memory was 81.3MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2023-11-19 07:49:45,897 INFO  L158              Benchmark]: Boogie Preprocessor took 69.43ms. Allocated memory is still 146.8MB. Free memory was 79.2MB in the beginning and 78.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2023-11-19 07:49:45,897 INFO  L158              Benchmark]: RCFGBuilder took 514.74ms. Allocated memory is still 146.8MB. Free memory was 77.6MB in the beginning and 111.2MB in the end (delta: -33.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB.
[2023-11-19 07:49:45,897 INFO  L158              Benchmark]: TraceAbstraction took 1859.16ms. Allocated memory is still 146.8MB. Free memory was 111.2MB in the beginning and 72.7MB in the end (delta: 38.5MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB.
[2023-11-19 07:49:45,898 INFO  L158              Benchmark]: Witness Printer took 139.01ms. Allocated memory is still 146.8MB. Free memory was 72.7MB in the beginning and 65.3MB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2023-11-19 07:49:45,900 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.25ms. Allocated memory is still 121.6MB. Free memory was 91.2MB in the beginning and 91.2MB in the end (delta: 25.3kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 560.69ms. Allocated memory is still 146.8MB. Free memory was 100.2MB in the beginning and 81.3MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 65.93ms. Allocated memory is still 146.8MB. Free memory was 81.3MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 69.43ms. Allocated memory is still 146.8MB. Free memory was 79.2MB in the beginning and 78.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 514.74ms. Allocated memory is still 146.8MB. Free memory was 77.6MB in the beginning and 111.2MB in the end (delta: -33.6MB). Peak memory consumption was 14.1MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1859.16ms. Allocated memory is still 146.8MB. Free memory was 111.2MB in the beginning and 72.7MB in the end (delta: 38.5MB). Peak memory consumption was 38.4MB. Max. memory is 16.1GB.
 * Witness Printer took 139.01ms. Allocated memory is still 146.8MB. Free memory was 72.7MB in the beginning and 65.3MB 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,"featureselect.i","") [49]
  - GenericResultAtLocation [Line: 87]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Environment.i","") [87]
  - GenericResultAtLocation [Line: 173]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"libacc.i","") [173]
  - GenericResultAtLocation [Line: 539]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"scenario.i","") [539]
  - GenericResultAtLocation [Line: 609]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"MinePump.i","") [609]
  - GenericResultAtLocation [Line: 772]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"wsllib_check.i","") [772]
  - GenericResultAtLocation [Line: 781]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Test.i","") [781]
  - GenericResultAtLocation [Line: 877]: Unsoundness Warning
    Ignoring preprocessor pragma C: #pragma merger(0,"Specification4_spec.i","") [877]
 * 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: 777]: 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 7 procedures, 72 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.8s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 157 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 153 mSDsluCounter, 640 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 320 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 67 IncrementalHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 320 mSDtfsCounter, 67 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=94occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 17 LocationsWithAnnotation, 91 PreInvPairs, 101 NumberOfFragments, 110 HoareAnnotationTreeSize, 91 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 17 FomulaSimplificationsInter, 256 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 128 NumberOfCodeBlocks, 128 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 123 ConstructedInterpolants, 0 QuantifiedInterpolants, 239 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
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - InvariantResult [Line: 793]: Loop Invariant
    Derived loop invariant: 1
  - InvariantResult [Line: 552]: Loop Invariant
    Derived loop invariant: 0
  - InvariantResult [Line: 553]: Loop Invariant
    Derived loop invariant: (((pumpRunning == 0) && (1 == systemActive)) && (splverifierCounter == 0))
RESULT: Ultimate proved your program to be correct!
[2023-11-19 07:49:45,939 INFO  L540       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7d1d17c5-c433-4f5c-bd70-2f37ea8311dd/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