./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX/config/GemCutterReach.xml -i ../../sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX --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 GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4b7c7619d813e48364b259b1a428c27bb8d838fdbf884f11806f1a0c23ff1cb9
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-05 09:27:05,110 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-05 09:27:05,160 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-12-05 09:27:05,164 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-05 09:27:05,164 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-05 09:27:05,182 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-05 09:27:05,182 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-05 09:27:05,182 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-05 09:27:05,183 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-05 09:27:05,183 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-05 09:27:05,183 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-05 09:27:05,183 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-05 09:27:05,183 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-05 09:27:05,184 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-05 09:27:05,184 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-05 09:27:05,184 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-12-05 09:27:05,184 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-05 09:27:05,184 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-12-05 09:27:05,184 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-05 09:27:05,184 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-05 09:27:05,184 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-05 09:27:05,184 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-05 09:27:05,184 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-12-05 09:27:05,185 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-05 09:27:05,185 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-05 09:27:05,185 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-05 09:27:05,185 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-05 09:27:05,185 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-05 09:27:05,185 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-05 09:27:05,185 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-05 09:27:05,185 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-12-05 09:27:05,185 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-05 09:27:05,185 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-05 09:27:05,186 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-05 09:27:05,186 INFO  L153        SettingsManager]:  * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT
[2024-12-05 09:27:05,186 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-05 09:27:05,186 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-05 09:27:05,186 INFO  L153        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2024-12-05 09:27:05,186 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-05 09:27:05,186 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-05 09:27:05,186 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-12-05 09:27:05,186 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-12-05 09:27:05,186 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-12-05 09:27:05,186 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX
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 -> GemCutter
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 -> 4b7c7619d813e48364b259b1a428c27bb8d838fdbf884f11806f1a0c23ff1cb9
[2024-12-05 09:27:05,372 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-05 09:27:05,380 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-05 09:27:05,382 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-05 09:27:05,382 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-05 09:27:05,383 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-05 09:27:05,384 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX/../../sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i
[2024-12-05 09:27:07,955 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX/data/dd843264b/6f74e817b26244bd87270d097f71abe6/FLAGcf589a350
[2024-12-05 09:27:08,199 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-05 09:27:08,200 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i
[2024-12-05 09:27:08,211 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX/data/dd843264b/6f74e817b26244bd87270d097f71abe6/FLAGcf589a350
[2024-12-05 09:27:08,542 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX/data/dd843264b/6f74e817b26244bd87270d097f71abe6
[2024-12-05 09:27:08,544 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-05 09:27:08,545 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-05 09:27:08,546 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-05 09:27:08,547 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-05 09:27:08,549 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-05 09:27:08,550 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:27:08" (1/1) ...
[2024-12-05 09:27:08,550 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@88e6307 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:08, skipping insertion in model container
[2024-12-05 09:27:08,551 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 09:27:08" (1/1) ...
[2024-12-05 09:27:08,574 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-05 09:27:08,783 WARN  L250   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_4131b24c-cb82-4c19-bc59-58f88d5c6845/sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i[30176,30189]
[2024-12-05 09:27:08,798 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-05 09:27:08,814 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-05 09:27:08,844 WARN  L250   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_4131b24c-cb82-4c19-bc59-58f88d5c6845/sv-benchmarks/c/goblint-regression/28-race_reach_46-escape_racefree.i[30176,30189]
[2024-12-05 09:27:08,851 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-05 09:27:08,880 INFO  L204         MainTranslator]: Completed translation
[2024-12-05 09:27:08,880 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:08 WrapperNode
[2024-12-05 09:27:08,880 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-05 09:27:08,881 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-05 09:27:08,881 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-05 09:27:08,881 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-05 09:27:08,886 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:08" (1/1) ...
[2024-12-05 09:27:08,897 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:08" (1/1) ...
[2024-12-05 09:27:08,915 INFO  L138                Inliner]: procedures = 171, calls = 39, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 116
[2024-12-05 09:27:08,915 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-05 09:27:08,916 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-05 09:27:08,916 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-05 09:27:08,916 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-05 09:27:08,921 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:08" (1/1) ...
[2024-12-05 09:27:08,921 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:08" (1/1) ...
[2024-12-05 09:27:08,924 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:08" (1/1) ...
[2024-12-05 09:27:08,924 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:08" (1/1) ...
[2024-12-05 09:27:08,930 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:08" (1/1) ...
[2024-12-05 09:27:08,931 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:08" (1/1) ...
[2024-12-05 09:27:08,935 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:08" (1/1) ...
[2024-12-05 09:27:08,936 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:08" (1/1) ...
[2024-12-05 09:27:08,937 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:08" (1/1) ...
[2024-12-05 09:27:08,939 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-05 09:27:08,940 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-05 09:27:08,940 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-05 09:27:08,940 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-05 09:27:08,941 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:08" (1/1) ...
[2024-12-05 09:27:08,946 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-12-05 09:27:08,955 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 09:27:08,965 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-12-05 09:27:08,967 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-12-05 09:27:08,985 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-12-05 09:27:08,985 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-12-05 09:27:08,985 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-12-05 09:27:08,985 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-05 09:27:08,985 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-12-05 09:27:08,985 INFO  L130     BoogieDeclarations]: Found specification of procedure t_fun
[2024-12-05 09:27:08,985 INFO  L138     BoogieDeclarations]: Found implementation of procedure t_fun
[2024-12-05 09:27:08,986 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-12-05 09:27:08,986 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-12-05 09:27:08,986 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-12-05 09:27:08,986 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-05 09:27:08,986 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-05 09:27:08,987 WARN  L203             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-12-05 09:27:09,095 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-05 09:27:09,096 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-05 09:27:09,302 INFO  L279             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-05 09:27:09,302 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-05 09:27:09,652 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-05 09:27:09,653 INFO  L312             CfgBuilder]: Removed 4 assume(true) statements.
[2024-12-05 09:27:09,653 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:09 BoogieIcfgContainer
[2024-12-05 09:27:09,653 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-05 09:27:09,656 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-05 09:27:09,656 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-05 09:27:09,682 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-05 09:27:09,683 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 09:27:08" (1/3) ...
[2024-12-05 09:27:09,683 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e63a6c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:27:09, skipping insertion in model container
[2024-12-05 09:27:09,683 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 09:27:08" (2/3) ...
[2024-12-05 09:27:09,684 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e63a6c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 09:27:09, skipping insertion in model container
[2024-12-05 09:27:09,684 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:09" (3/3) ...
[2024-12-05 09:27:09,685 INFO  L128   eAbstractionObserver]: Analyzing ICFG 28-race_reach_46-escape_racefree.i
[2024-12-05 09:27:09,701 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-05 09:27:09,702 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG 28-race_reach_46-escape_racefree.i that has 2 procedures, 37 locations, 1 initial locations, 4 loop locations, and 1 error locations.
[2024-12-05 09:27:09,702 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-05 09:27:09,742 INFO  L143    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-12-05 09:27:09,790 INFO  L125   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-05 09:27:09,791 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-12-05 09:27:09,791 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 09:27:09,793 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-12-05 09:27:09,795 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-12-05 09:27:09,865 INFO  L177   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-12-05 09:27:09,878 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-12-05 09:27:09,884 INFO  L333      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, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, 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;@69a9a764, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-05 09:27:09,884 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-12-05 09:27:10,087 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-12-05 09:27:10,087 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 09:27:10,087 INFO  L139   ounterexampleChecker]: Examining path program with hash 684437390, occurence #1
[2024-12-05 09:27:10,087 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 09:27:10,087 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 09:27:10,091 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 09:27:10,092 INFO  L85        PathProgramCache]: Analyzing trace with hash 90480798, now seen corresponding path program 1 times
[2024-12-05 09:27:10,099 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 09:27:10,100 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126188576]
[2024-12-05 09:27:10,100 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 09:27:10,100 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 09:27:10,251 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 09:27:10,321 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 09:27:10,321 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 09:27:10,322 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126188576]
[2024-12-05 09:27:10,322 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126188576] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 09:27:10,322 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 09:27:10,323 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-05 09:27:10,324 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1387899746]
[2024-12-05 09:27:10,324 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 09:27:10,328 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-05 09:27:10,328 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 09:27:10,347 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-05 09:27:10,348 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-05 09:27:10,348 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:27:10,350 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 09:27:10,351 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 7.5) internal successors, (15), 2 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-05 09:27:10,351 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:27:10,434 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:27:10,434 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-05 09:27:10,435 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-12-05 09:27:10,435 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 09:27:10,435 INFO  L139   ounterexampleChecker]: Examining path program with hash -1724530215, occurence #1
[2024-12-05 09:27:10,435 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 09:27:10,435 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 09:27:10,435 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 09:27:10,436 INFO  L85        PathProgramCache]: Analyzing trace with hash 62170972, now seen corresponding path program 1 times
[2024-12-05 09:27:10,436 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 09:27:10,436 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1566489984]
[2024-12-05 09:27:10,436 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 09:27:10,436 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 09:27:10,499 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 09:27:10,672 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 09:27:10,672 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 09:27:10,672 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1566489984]
[2024-12-05 09:27:10,673 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1566489984] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 09:27:10,673 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 09:27:10,673 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-05 09:27:10,673 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1961919074]
[2024-12-05 09:27:10,673 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 09:27:10,674 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-12-05 09:27:10,674 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 09:27:10,675 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-12-05 09:27:10,675 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-12-05 09:27:10,675 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:27:10,675 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 09:27:10,675 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 4 states have (on average 3.25) internal successors, (13), 3 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-05 09:27:10,675 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:27:10,676 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:27:11,073 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:27:11,074 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-05 09:27:11,074 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-05 09:27:11,074 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-12-05 09:27:11,074 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 09:27:11,075 INFO  L139   ounterexampleChecker]: Examining path program with hash -2050111773, occurence #1
[2024-12-05 09:27:11,075 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 09:27:11,075 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 09:27:11,075 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 09:27:11,075 INFO  L85        PathProgramCache]: Analyzing trace with hash -366930216, now seen corresponding path program 1 times
[2024-12-05 09:27:11,075 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 09:27:11,075 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1954319473]
[2024-12-05 09:27:11,075 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 09:27:11,076 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 09:27:11,112 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 09:27:11,217 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 09:27:11,217 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 09:27:11,217 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1954319473]
[2024-12-05 09:27:11,217 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1954319473] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 09:27:11,217 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 09:27:11,217 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-12-05 09:27:11,217 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713348241]
[2024-12-05 09:27:11,217 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 09:27:11,218 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-05 09:27:11,218 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 09:27:11,219 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-05 09:27:11,219 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-05 09:27:11,219 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:27:11,219 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 09:27:11,219 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-05 09:27:11,219 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:27:11,219 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-12-05 09:27:11,219 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:27:11,363 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:27:11,363 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-05 09:27:11,363 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-05 09:27:11,363 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-05 09:27:11,363 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-12-05 09:27:11,364 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 09:27:11,364 INFO  L139   ounterexampleChecker]: Examining path program with hash -1800627520, occurence #1
[2024-12-05 09:27:11,364 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 09:27:11,364 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 09:27:11,364 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 09:27:11,364 INFO  L85        PathProgramCache]: Analyzing trace with hash 220883413, now seen corresponding path program 1 times
[2024-12-05 09:27:11,365 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 09:27:11,365 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728790513]
[2024-12-05 09:27:11,365 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 09:27:11,365 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 09:27:11,410 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 09:27:11,570 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 09:27:11,570 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 09:27:11,570 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728790513]
[2024-12-05 09:27:11,570 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728790513] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 09:27:11,570 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 09:27:11,570 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-05 09:27:11,570 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621311730]
[2024-12-05 09:27:11,570 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 09:27:11,571 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-05 09:27:11,571 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 09:27:11,571 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-05 09:27:11,571 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20
[2024-12-05 09:27:11,571 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:27:11,571 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 09:27:11,572 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-05 09:27:11,572 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:27:11,572 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-12-05 09:27:11,572 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-12-05 09:27:11,572 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:27:11,725 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:27:11,725 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-05 09:27:11,725 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-05 09:27:11,726 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-05 09:27:11,726 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-05 09:27:11,726 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-12-05 09:27:11,726 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 09:27:11,726 INFO  L139   ounterexampleChecker]: Examining path program with hash 444910974, occurence #1
[2024-12-05 09:27:11,726 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 09:27:11,726 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 09:27:11,727 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 09:27:11,727 INFO  L85        PathProgramCache]: Analyzing trace with hash 1841152529, now seen corresponding path program 1 times
[2024-12-05 09:27:11,727 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 09:27:11,727 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964477000]
[2024-12-05 09:27:11,727 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 09:27:11,727 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 09:27:11,762 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 09:27:12,032 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 09:27:12,032 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 09:27:12,032 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964477000]
[2024-12-05 09:27:12,032 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964477000] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 09:27:12,032 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 09:27:12,032 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-12-05 09:27:12,033 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602283230]
[2024-12-05 09:27:12,033 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 09:27:12,033 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-12-05 09:27:12,033 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 09:27:12,033 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-12-05 09:27:12,034 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42
[2024-12-05 09:27:12,034 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:27:12,034 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 09:27:12,034 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 3.7142857142857144) internal successors, (26), 6 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-05 09:27:12,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:27:12,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-12-05 09:27:12,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-12-05 09:27:12,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. 
[2024-12-05 09:27:12,034 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:27:12,271 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 09:27:12,272 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-05 09:27:12,272 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-05 09:27:12,272 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. 
[2024-12-05 09:27:12,272 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-12-05 09:27:12,274 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining)
[2024-12-05 09:27:12,274 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining)
[2024-12-05 09:27:12,275 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-12-05 09:27:12,278 INFO  L422         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-12-05 09:27:12,280 INFO  L241   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-12-05 09:27:12,280 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-12-05 09:27:12,290 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-12-05 09:27:12,291 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 09:27:12 BasicIcfg
[2024-12-05 09:27:12,291 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-05 09:27:12,291 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-05 09:27:12,291 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-12-05 09:27:12,291 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-12-05 09:27:12,292 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 09:27:09" (3/4) ...
[2024-12-05 09:27:12,293 INFO  L146         WitnessPrinter]: Generating witness for correct program
[2024-12-05 09:27:12,297 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun
[2024-12-05 09:27:12,301 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 87 nodes and edges
[2024-12-05 09:27:12,301 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges
[2024-12-05 09:27:12,301 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-05 09:27:12,302 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-12-05 09:27:12,354 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX/witness.graphml
[2024-12-05 09:27:12,354 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX/witness.yml
[2024-12-05 09:27:12,354 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-05 09:27:12,355 INFO  L158              Benchmark]: Toolchain (without parser) took 3809.49ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 92.3MB in the beginning and 185.9MB in the end (delta: -93.5MB). Peak memory consumption was 20.6MB. Max. memory is 16.1GB.
[2024-12-05 09:27:12,355 INFO  L158              Benchmark]: CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 09:27:12,355 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 334.25ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 71.4MB in the end (delta: 20.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-05 09:27:12,356 INFO  L158              Benchmark]: Boogie Procedure Inliner took 34.27ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 69.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 09:27:12,356 INFO  L158              Benchmark]: Boogie Preprocessor took 23.36ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 68.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 09:27:12,356 INFO  L158              Benchmark]: RCFGBuilder took 713.17ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 33.9MB in the end (delta: 34.1MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB.
[2024-12-05 09:27:12,356 INFO  L158              Benchmark]: TraceAbstraction took 2635.15ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 33.5MB in the beginning and 189.2MB in the end (delta: -155.7MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 09:27:12,357 INFO  L158              Benchmark]: Witness Printer took 63.00ms. Allocated memory is still 234.9MB. Free memory was 189.2MB in the beginning and 185.9MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 09:27:12,358 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.27ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 84.0kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 334.25ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 71.4MB in the end (delta: 20.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 34.27ms. Allocated memory is still 117.4MB. Free memory was 71.4MB in the beginning and 69.6MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 23.36ms. Allocated memory is still 117.4MB. Free memory was 69.6MB in the beginning and 68.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 713.17ms. Allocated memory is still 117.4MB. Free memory was 68.0MB in the beginning and 33.9MB in the end (delta: 34.1MB). Peak memory consumption was 38.7MB. Max. memory is 16.1GB.
 * TraceAbstraction took 2635.15ms. Allocated memory was 117.4MB in the beginning and 234.9MB in the end (delta: 117.4MB). Free memory was 33.5MB in the beginning and 189.2MB in the end (delta: -155.7MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 63.00ms. Allocated memory is still 234.9MB. Free memory was 189.2MB in the beginning and 185.9MB in the end (delta: 3.4MB). There was no memory consumed. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Partial order reduction statistics
    Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1123, independent: 1027, independent conditional: 139, independent unconditional: 888, dependent: 96, dependent conditional: 72, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1058, independent: 1027, independent conditional: 139, independent unconditional: 888, dependent: 31, dependent conditional: 7, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1058, independent: 1027, independent conditional: 139, independent unconditional: 888, dependent: 31, dependent conditional: 7, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1073, independent: 1027, independent conditional: 139, independent unconditional: 888, dependent: 46, dependent conditional: 22, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1073, independent: 1027, independent conditional: 5, independent unconditional: 1022, dependent: 46, dependent conditional: 4, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1073, independent: 1027, independent conditional: 5, independent unconditional: 1022, dependent: 46, dependent conditional: 4, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 693, independent: 666, independent conditional: 3, independent unconditional: 663, dependent: 27, dependent conditional: 3, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 693, independent: 642, independent conditional: 0, independent unconditional: 642, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 51, independent: 24, independent conditional: 3, independent unconditional: 21, dependent: 27, dependent conditional: 3, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, independent: 24, independent conditional: 3, independent unconditional: 21, dependent: 27, dependent conditional: 3, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 748, independent: 291, independent conditional: 36, independent unconditional: 256, dependent: 457, dependent conditional: 61, dependent unconditional: 396, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1073, independent: 361, independent conditional: 2, independent unconditional: 359, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 693, unknown conditional: 6, unknown unconditional: 687] , Statistics on independence cache: Total cache size (in pairs): 693, Positive cache size: 666, Positive conditional cache size: 3, Positive unconditional cache size: 663, Negative cache size: 27, Negative conditional cache size: 3, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 152, Maximal queried relation: 2, Independence queries for same thread: 65, Persistent sets #1 benchmarks: Persistent set computation time: 0.7s, Number of persistent set computation: 92, Number of trivial persistent sets: 73, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 912, independent: 888, independent conditional: 0, independent unconditional: 888, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1123, independent: 1027, independent conditional: 139, independent unconditional: 888, dependent: 96, dependent conditional: 72, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1058, independent: 1027, independent conditional: 139, independent unconditional: 888, dependent: 31, dependent conditional: 7, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1058, independent: 1027, independent conditional: 139, independent unconditional: 888, dependent: 31, dependent conditional: 7, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1073, independent: 1027, independent conditional: 139, independent unconditional: 888, dependent: 46, dependent conditional: 22, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1073, independent: 1027, independent conditional: 5, independent unconditional: 1022, dependent: 46, dependent conditional: 4, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1073, independent: 1027, independent conditional: 5, independent unconditional: 1022, dependent: 46, dependent conditional: 4, dependent unconditional: 42, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 693, independent: 666, independent conditional: 3, independent unconditional: 663, dependent: 27, dependent conditional: 3, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 693, independent: 642, independent conditional: 0, independent unconditional: 642, dependent: 51, dependent conditional: 0, dependent unconditional: 51, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 51, independent: 24, independent conditional: 3, independent unconditional: 21, dependent: 27, dependent conditional: 3, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 51, independent: 24, independent conditional: 3, independent unconditional: 21, dependent: 27, dependent conditional: 3, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 748, independent: 291, independent conditional: 36, independent unconditional: 256, dependent: 457, dependent conditional: 61, dependent unconditional: 396, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 1073, independent: 361, independent conditional: 2, independent unconditional: 359, dependent: 19, dependent conditional: 1, dependent unconditional: 18, unknown: 693, unknown conditional: 6, unknown unconditional: 687] , Statistics on independence cache: Total cache size (in pairs): 693, Positive cache size: 666, Positive conditional cache size: 3, Positive unconditional cache size: 663, Negative cache size: 27, Negative conditional cache size: 3, Negative unconditional cache size: 24, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 152, Maximal queried relation: 2, Independence queries for same thread: 65
  - PositiveResult [Line: 691]: 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 for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 3 procedures, 56 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 2.4s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 1.2s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 24, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 87 NumberOfCodeBlocks, 87 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 469 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, ConComCheckerStatistics: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-05 09:27:12,370 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4131b24c-cb82-4c19-bc59-58f88d5c6845/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

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