./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i --full-output --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version 1f73d82f
Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i -s /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux --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 dfa09ef2a9611ca17b7987ae6667bf9c5dfecc9a3d2f86327d9d054dda20e42c
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-1f73d82-m
[2024-11-21 11:36:46,361 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-21 11:36:46,455 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-11-21 11:36:46,460 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-21 11:36:46,462 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-21 11:36:46,478 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-21 11:36:46,478 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-21 11:36:46,478 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-21 11:36:46,479 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-21 11:36:46,479 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-21 11:36:46,480 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-21 11:36:46,480 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-21 11:36:46,480 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-21 11:36:46,480 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-21 11:36:46,481 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-21 11:36:46,481 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-21 11:36:46,481 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-21 11:36:46,481 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-21 11:36:46,481 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-21 11:36:46,481 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-21 11:36:46,481 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-21 11:36:46,481 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-21 11:36:46,481 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-21 11:36:46,481 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-21 11:36:46,482 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-21 11:36:46,482 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-21 11:36:46,482 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-21 11:36:46,482 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-21 11:36:46,482 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-21 11:36:46,482 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-21 11:36:46,482 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-21 11:36:46,482 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-21 11:36:46,482 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-21 11:36:46,482 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-11-21 11:36:46,482 INFO  L153        SettingsManager]:  * Commutativity condition synthesis=SUFFICIENT
[2024-11-21 11:36:46,483 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-21 11:36:46,483 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-21 11:36:46,483 INFO  L153        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2024-11-21 11:36:46,483 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-21 11:36:46,483 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-21 11:36:46,483 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-11-21 11:36:46,483 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-11-21 11:36:46,483 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-11-21 11:36:46,483 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 -> /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux
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 -> dfa09ef2a9611ca17b7987ae6667bf9c5dfecc9a3d2f86327d9d054dda20e42c
[2024-11-21 11:36:46,769 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-21 11:36:46,774 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-21 11:36:46,776 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-21 11:36:46,777 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-21 11:36:46,777 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-21 11:36:46,778 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/../sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i
[2024-11-21 11:36:47,943 INFO  L533              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/787f03df0/42c7ee5e82894b1d833b6a53c193edaa/FLAGc6592175d
[2024-11-21 11:36:48,192 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-21 11:36:48,193 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i
[2024-11-21 11:36:48,207 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/787f03df0/42c7ee5e82894b1d833b6a53c193edaa/FLAGc6592175d
[2024-11-21 11:36:48,524 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/data/787f03df0/42c7ee5e82894b1d833b6a53c193edaa
[2024-11-21 11:36:48,526 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-21 11:36:48,527 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-21 11:36:48,527 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-21 11:36:48,527 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-21 11:36:48,530 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-21 11:36:48,531 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:36:48" (1/1) ...
[2024-11-21 11:36:48,531 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5812434c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:48, skipping insertion in model container
[2024-11-21 11:36:48,531 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 11:36:48" (1/1) ...
[2024-11-21 11:36:48,550 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-21 11:36:48,658 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111]
[2024-11-21 11:36:48,736 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-21 11:36:48,750 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-21 11:36:48,758 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/goblint-regression/36-apron_17-traces-rpb-litmus_unknown_1_pos.i[1098,1111]
[2024-11-21 11:36:48,777 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-21 11:36:48,811 INFO  L204         MainTranslator]: Completed translation
[2024-11-21 11:36:48,812 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:48 WrapperNode
[2024-11-21 11:36:48,812 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-21 11:36:48,814 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-21 11:36:48,814 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-21 11:36:48,814 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-21 11:36:48,819 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:48" (1/1) ...
[2024-11-21 11:36:48,832 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:48" (1/1) ...
[2024-11-21 11:36:48,851 INFO  L138                Inliner]: procedures = 163, calls = 30, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 64
[2024-11-21 11:36:48,851 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-21 11:36:48,852 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-21 11:36:48,852 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-21 11:36:48,852 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-21 11:36:48,857 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:48" (1/1) ...
[2024-11-21 11:36:48,858 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:48" (1/1) ...
[2024-11-21 11:36:48,859 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:48" (1/1) ...
[2024-11-21 11:36:48,859 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:48" (1/1) ...
[2024-11-21 11:36:48,862 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:48" (1/1) ...
[2024-11-21 11:36:48,868 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:48" (1/1) ...
[2024-11-21 11:36:48,870 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:48" (1/1) ...
[2024-11-21 11:36:48,870 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:48" (1/1) ...
[2024-11-21 11:36:48,871 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:48" (1/1) ...
[2024-11-21 11:36:48,872 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-21 11:36:48,874 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-21 11:36:48,875 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-21 11:36:48,875 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-21 11:36:48,875 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:48" (1/1) ...
[2024-11-21 11:36:48,882 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-21 11:36:48,894 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3
[2024-11-21 11:36:48,906 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-21 11:36:48,910 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-21 11:36:48,928 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-21 11:36:48,928 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-21 11:36:48,928 INFO  L130     BoogieDeclarations]: Found specification of procedure t_fun
[2024-11-21 11:36:48,928 INFO  L138     BoogieDeclarations]: Found implementation of procedure t_fun
[2024-11-21 11:36:48,929 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-21 11:36:48,929 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-21 11:36:48,929 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-21 11:36:48,929 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-21 11:36:48,930 WARN  L203             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-21 11:36:49,029 INFO  L234             CfgBuilder]: Building ICFG
[2024-11-21 11:36:49,031 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-21 11:36:49,164 INFO  L279             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-21 11:36:49,164 INFO  L283             CfgBuilder]: Performing block encoding
[2024-11-21 11:36:49,288 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-21 11:36:49,289 INFO  L312             CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-21 11:36:49,289 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:36:49 BoogieIcfgContainer
[2024-11-21 11:36:49,289 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-21 11:36:49,291 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-21 11:36:49,291 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-21 11:36:49,295 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-21 11:36:49,296 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 11:36:48" (1/3) ...
[2024-11-21 11:36:49,297 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65948b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:36:49, skipping insertion in model container
[2024-11-21 11:36:49,297 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 11:36:48" (2/3) ...
[2024-11-21 11:36:49,297 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65948b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 11:36:49, skipping insertion in model container
[2024-11-21 11:36:49,297 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:36:49" (3/3) ...
[2024-11-21 11:36:49,299 INFO  L128   eAbstractionObserver]: Analyzing ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i
[2024-11-21 11:36:49,309 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-21 11:36:49,311 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG 36-apron_17-traces-rpb-litmus_unknown_1_pos.i that has 2 procedures, 32 locations, 1 initial locations, 0 loop locations, and 1 error locations.
[2024-11-21 11:36:49,311 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-21 11:36:49,345 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-21 11:36:49,380 INFO  L125   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-21 11:36:49,381 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-11-21 11:36:49,381 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3
[2024-11-21 11:36:49,383 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-11-21 11:36:49,384 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-11-21 11:36:49,445 INFO  L177   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-21 11:36:49,456 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-11-21 11:36:49,462 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;@5bcfc382, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-21 11:36:49,462 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-11-21 11:36:49,646 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-21 11:36:49,646 INFO  L303   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-21 11:36:49,647 INFO  L139   ounterexampleChecker]: Examining path program with hash 931400492, occurence #1
[2024-11-21 11:36:49,647 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-21 11:36:49,647 INFO  L314   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-21 11:36:49,651 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-21 11:36:49,651 INFO  L85        PathProgramCache]: Analyzing trace with hash 1813828078, now seen corresponding path program 1 times
[2024-11-21 11:36:49,656 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-21 11:36:49,657 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [927783276]
[2024-11-21 11:36:49,657 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-21 11:36:49,657 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-21 11:36:49,743 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-21 11:36:49,745 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-21 11:36:49,765 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-21 11:36:49,783 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-21 11:36:49,785 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2024-11-21 11:36:49,786 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining)
[2024-11-21 11:36:49,787 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining)
[2024-11-21 11:36:49,788 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-21 11:36:49,793 INFO  L422         BasicCegarLoop]: Path program histogram: [1]
[2024-11-21 11:36:49,820 INFO  L241   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-21 11:36:49,821 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-11-21 11:36:49,837 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-11-21 11:36:49,837 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 11:36:49 BasicIcfg
[2024-11-21 11:36:49,837 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-21 11:36:49,838 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-21 11:36:49,838 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-11-21 11:36:49,838 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-11-21 11:36:49,839 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 11:36:49" (3/4) ...
[2024-11-21 11:36:49,839 INFO  L140         WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-21 11:36:49,873 INFO  L129   tionWitnessGenerator]: Generated YAML witness of length 4.
[2024-11-21 11:36:49,909 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.graphml
[2024-11-21 11:36:49,909 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/witness.yml
[2024-11-21 11:36:49,909 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-21 11:36:49,911 INFO  L158              Benchmark]: Toolchain (without parser) took 1383.95ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 36.9MB in the end (delta: 22.1MB). Peak memory consumption was 23.5MB. Max. memory is 16.1GB.
[2024-11-21 11:36:49,911 INFO  L158              Benchmark]: CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-21 11:36:49,911 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 285.79ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 39.4MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-21 11:36:49,912 INFO  L158              Benchmark]: Boogie Procedure Inliner took 37.92ms. Allocated memory is still 83.9MB. Free memory was 39.4MB in the beginning and 37.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-21 11:36:49,912 INFO  L158              Benchmark]: Boogie Preprocessor took 21.80ms. Allocated memory is still 83.9MB. Free memory was 37.8MB in the beginning and 36.8MB in the end (delta: 940.3kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-21 11:36:49,912 INFO  L158              Benchmark]: RCFGBuilder took 414.86ms. Allocated memory is still 83.9MB. Free memory was 36.8MB in the beginning and 50.1MB in the end (delta: -13.2MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB.
[2024-11-21 11:36:49,912 INFO  L158              Benchmark]: TraceAbstraction took 546.53ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 42.8MB in the end (delta: 6.8MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB.
[2024-11-21 11:36:49,913 INFO  L158              Benchmark]: Witness Printer took 71.85ms. Allocated memory is still 83.9MB. Free memory was 42.8MB in the beginning and 36.9MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-21 11:36:49,914 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.24ms. Allocated memory is still 83.9MB. Free memory is still 63.5MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 285.79ms. Allocated memory is still 83.9MB. Free memory was 59.1MB in the beginning and 39.4MB in the end (delta: 19.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 37.92ms. Allocated memory is still 83.9MB. Free memory was 39.4MB in the beginning and 37.8MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 21.80ms. Allocated memory is still 83.9MB. Free memory was 37.8MB in the beginning and 36.8MB in the end (delta: 940.3kB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 414.86ms. Allocated memory is still 83.9MB. Free memory was 36.8MB in the beginning and 50.1MB in the end (delta: -13.2MB). Peak memory consumption was 21.2MB. Max. memory is 16.1GB.
 * TraceAbstraction took 546.53ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 42.8MB in the end (delta: 6.8MB). Peak memory consumption was 2.3MB. Max. memory is 16.1GB.
 * Witness Printer took 71.85ms. Allocated memory is still 83.9MB. Free memory was 42.8MB in the beginning and 36.9MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. 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: 130, independent: 124, independent conditional: 9, independent unconditional: 115, dependent: 6, dependent conditional: 1, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 129, independent: 124, independent conditional: 9, independent unconditional: 115, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 129, independent: 124, independent conditional: 9, independent unconditional: 115, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 129, independent: 124, independent conditional: 9, independent unconditional: 115, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 129, independent: 124, independent conditional: 0, independent unconditional: 124, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 129, independent: 124, independent conditional: 0, independent unconditional: 124, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 120, independent: 115, independent conditional: 0, independent unconditional: 115, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 120, independent: 111, independent conditional: 0, independent unconditional: 111, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 9, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 143, independent: 77, independent conditional: 0, independent unconditional: 77, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 129, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 120, unknown conditional: 0, unknown unconditional: 120] , Statistics on independence cache: Total cache size (in pairs): 120, Positive cache size: 115, Positive conditional cache size: 0, Positive unconditional cache size: 115, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9, Maximal queried relation: 0, Independence queries for same thread: 1, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 20, Number of trivial persistent sets: 20, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 120, independent: 115, independent conditional: 0, independent unconditional: 115, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 130, independent: 124, independent conditional: 9, independent unconditional: 115, dependent: 6, dependent conditional: 1, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 129, independent: 124, independent conditional: 9, independent unconditional: 115, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 129, independent: 124, independent conditional: 9, independent unconditional: 115, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 129, independent: 124, independent conditional: 9, independent unconditional: 115, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 129, independent: 124, independent conditional: 0, independent unconditional: 124, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 129, independent: 124, independent conditional: 0, independent unconditional: 124, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 120, independent: 115, independent conditional: 0, independent unconditional: 115, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 120, independent: 111, independent conditional: 0, independent unconditional: 111, dependent: 9, dependent conditional: 0, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 9, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 9, independent: 4, independent conditional: 0, independent unconditional: 4, dependent: 5, dependent conditional: 0, dependent unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 143, independent: 77, independent conditional: 0, independent unconditional: 77, dependent: 65, dependent conditional: 0, dependent unconditional: 65, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 129, independent: 9, independent conditional: 0, independent unconditional: 9, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 120, unknown conditional: 0, unknown unconditional: 120] , Statistics on independence cache: Total cache size (in pairs): 120, Positive cache size: 115, Positive conditional cache size: 0, Positive unconditional cache size: 115, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 9, Maximal queried relation: 0, Independence queries for same thread: 1
  - CounterExampleResult [Line: 19]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L682]               0  int g = 42;
[L683]               0  pthread_mutex_t A = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L684]               0  pthread_mutex_t B = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } };
[L694]               0  int r = __VERIFIER_nondet_int();
[L695]               0  int t;
[L696]               0  pthread_t id;
[L697]  FCALL, FORK  0  pthread_create(&id, ((void *)0), t_fun, ((void *)0))
        VAL             [A={3:0}, B={4:0}, \old(arg)={0:0}, g=42, id=-1, r=0]
[L688]               1  g = 42
        VAL             [A={3:0}, B={4:0}, \old(arg)={0:0}, arg={0:0}, g=42]
[L691]               1  return ((void *)0);
[L700]  COND FALSE   0  !(\read(r))
        VAL             [A={3:0}, B={4:0}, \old(arg)={0:0}, \result={0:0}, arg={0:0}, g=42, id=-1, r=0]
[L705]               0  t = g
[L706]  CALL         0  __VERIFIER_assert(t == 17)
[L19]   COND TRUE    0  !(cond)
        VAL             [A={3:0}, B={4:0}, \old(arg)={0:0}, \old(cond)=0, \result={0:0}, arg={0:0}, cond=0, g=42]
[L19]                0  reach_error()
        VAL             [A={3:0}, B={4:0}, \old(arg)={0:0}, \old(cond)=0, \result={0:0}, arg={0:0}, cond=0, g=42]

  - UnprovableResult [Line: 697]: Unable to prove that petrification did provide enough thread instances (tool internal message)
    Unable to prove that petrification did provide enough thread instances (tool internal message)
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 3 procedures, 43 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.2s, 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: 0, 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, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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
RESULT: Ultimate proved your program to be incorrect!
[2024-11-21 11:36:49,941 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UGemCutter-linux/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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE