./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i --full-output --preprocessor.use.memory.slicer true --architecture 32bit


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


Checking for ERROR reachability
Using default analysis
Version d2ba6107
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReach.xml -i ../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 8c7f2059024755e8d2127555397365a96bb56530f6a4795548fd916204307c42 --preprocessor.use.memory.slicer true
--- Real Ultimate output ---
This is Ultimate 0.2.3-dev-d2ba610-m
[2023-11-21 17:49:41,385 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-11-21 17:49:41,421 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2023-11-21 17:49:41,424 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-11-21 17:49:41,424 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2023-11-21 17:49:41,438 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-11-21 17:49:41,439 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-11-21 17:49:41,439 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-11-21 17:49:41,440 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-11-21 17:49:41,440 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-11-21 17:49:41,441 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-11-21 17:49:41,441 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-11-21 17:49:41,441 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-11-21 17:49:41,441 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-11-21 17:49:41,442 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-11-21 17:49:41,442 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-11-21 17:49:41,442 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-11-21 17:49:41,443 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-11-21 17:49:41,443 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-11-21 17:49:41,443 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-11-21 17:49:41,443 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-11-21 17:49:41,444 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-11-21 17:49:41,444 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-11-21 17:49:41,444 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-11-21 17:49:41,445 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-11-21 17:49:41,445 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-11-21 17:49:41,445 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-11-21 17:49:41,445 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2023-11-21 17:49:41,446 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-11-21 17:49:41,446 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-21 17:49:41,446 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-11-21 17:49:41,446 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-11-21 17:49:41,447 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2023-11-21 17:49:41,447 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-11-21 17:49:41,447 INFO  L153        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2023-11-21 17:49:41,447 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-11-21 17:49:41,447 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-11-21 17:49:41,448 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-11-21 17:49:41,448 INFO  L153        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-11-21 17:49:41,448 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2023-11-21 17:49:41,448 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2023-11-21 17:49:41,449 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/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 -> 8c7f2059024755e8d2127555397365a96bb56530f6a4795548fd916204307c42
Applying setting for plugin de.uni_freiburg.informatik.ultimate.boogie.preprocessor: Use memory slicer -> true
[2023-11-21 17:49:41,697 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-11-21 17:49:41,717 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-11-21 17:49:41,719 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-11-21 17:49:41,720 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-11-21 17:49:41,721 INFO  L274        PluginConnector]: CDTParser initialized
[2023-11-21 17:49:41,722 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/ldv-races/race-1_3-join.i
[2023-11-21 17:49:42,958 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-11-21 17:49:43,368 INFO  L384              CDTParser]: Found 1 translation units.
[2023-11-21 17:49:43,369 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i
[2023-11-21 17:49:43,387 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/07a5b29d3/0be03b672fb347f184c34e3d4fc46b47/FLAG903fe4baf
[2023-11-21 17:49:43,399 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/07a5b29d3/0be03b672fb347f184c34e3d4fc46b47
[2023-11-21 17:49:43,402 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-11-21 17:49:43,404 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2023-11-21 17:49:43,406 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-11-21 17:49:43,406 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-11-21 17:49:43,410 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-11-21 17:49:43,410 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:49:43" (1/1) ...
[2023-11-21 17:49:43,411 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d917f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:49:43, skipping insertion in model container
[2023-11-21 17:49:43,411 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 05:49:43" (1/1) ...
[2023-11-21 17:49:43,456 INFO  L177         MainTranslator]: Built tables and reachable declarations
[2023-11-21 17:49:43,909 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i[76153,76166]
[2023-11-21 17:49:43,938 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-21 17:49:43,948 INFO  L202         MainTranslator]: Completed pre-run
[2023-11-21 17:49:44,009 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_3-join.i[76153,76166]
[2023-11-21 17:49:44,015 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-11-21 17:49:44,106 WARN  L675               CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-11-21 17:49:44,107 WARN  L675               CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-11-21 17:49:44,112 INFO  L206         MainTranslator]: Completed translation
[2023-11-21 17:49:44,113 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:49:44 WrapperNode
[2023-11-21 17:49:44,113 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-11-21 17:49:44,114 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-11-21 17:49:44,114 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-11-21 17:49:44,115 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-11-21 17:49:44,120 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:49:44" (1/1) ...
[2023-11-21 17:49:44,137 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:49:44" (1/1) ...
[2023-11-21 17:49:44,154 INFO  L138                Inliner]: procedures = 483, calls = 34, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 89
[2023-11-21 17:49:44,155 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-11-21 17:49:44,156 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-11-21 17:49:44,156 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-11-21 17:49:44,156 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-11-21 17:49:44,163 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:49:44" (1/1) ...
[2023-11-21 17:49:44,164 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:49:44" (1/1) ...
[2023-11-21 17:49:44,172 INFO  L184        PluginConnector]: Executing the observer HeapSplitter from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:49:44" (1/1) ...
[2023-11-21 17:49:44,195 INFO  L193           HeapSplitter]: Split 11 memory accesses to 5 slices as follows [2, 0, 3, 5, 1]
[2023-11-21 17:49:44,195 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:49:44" (1/1) ...
[2023-11-21 17:49:44,195 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:49:44" (1/1) ...
[2023-11-21 17:49:44,204 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:49:44" (1/1) ...
[2023-11-21 17:49:44,213 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:49:44" (1/1) ...
[2023-11-21 17:49:44,217 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:49:44" (1/1) ...
[2023-11-21 17:49:44,218 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:49:44" (1/1) ...
[2023-11-21 17:49:44,222 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-11-21 17:49:44,222 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-11-21 17:49:44,223 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-11-21 17:49:44,223 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-11-21 17:49:44,223 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:49:44" (1/1) ...
[2023-11-21 17:49:44,236 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-11-21 17:49:44,246 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2023-11-21 17:49:44,269 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-11-21 17:49:44,287 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-11-21 17:49:44,307 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-11-21 17:49:44,307 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-11-21 17:49:44,307 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-11-21 17:49:44,307 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2023-11-21 17:49:44,307 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#1
[2023-11-21 17:49:44,307 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#2
[2023-11-21 17:49:44,308 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#3
[2023-11-21 17:49:44,309 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#4
[2023-11-21 17:49:44,309 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-11-21 17:49:44,309 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-11-21 17:49:44,309 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2023-11-21 17:49:44,309 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2023-11-21 17:49:44,309 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2023-11-21 17:49:44,310 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#3
[2023-11-21 17:49:44,310 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#4
[2023-11-21 17:49:44,310 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-11-21 17:49:44,310 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-11-21 17:49:44,310 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-11-21 17:49:44,310 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2023-11-21 17:49:44,311 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2023-11-21 17:49:44,311 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2023-11-21 17:49:44,311 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2023-11-21 17:49:44,311 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#1
[2023-11-21 17:49:44,312 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#2
[2023-11-21 17:49:44,312 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#3
[2023-11-21 17:49:44,312 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#4
[2023-11-21 17:49:44,312 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2023-11-21 17:49:44,312 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2023-11-21 17:49:44,313 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#2
[2023-11-21 17:49:44,313 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#3
[2023-11-21 17:49:44,313 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#4
[2023-11-21 17:49:44,314 WARN  L212             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-11-21 17:49:44,640 INFO  L240             CfgBuilder]: Building ICFG
[2023-11-21 17:49:44,641 INFO  L266             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-11-21 17:49:44,785 INFO  L281             CfgBuilder]: Performing block encoding
[2023-11-21 17:49:44,878 INFO  L303             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-11-21 17:49:44,878 INFO  L308             CfgBuilder]: Removed 0 assume(true) statements.
[2023-11-21 17:49:44,880 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:49:44 BoogieIcfgContainer
[2023-11-21 17:49:44,880 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-11-21 17:49:44,882 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-11-21 17:49:44,882 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-11-21 17:49:44,885 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-11-21 17:49:44,885 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.11 05:49:43" (1/3) ...
[2023-11-21 17:49:44,886 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548adee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:49:44, skipping insertion in model container
[2023-11-21 17:49:44,886 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 05:49:44" (2/3) ...
[2023-11-21 17:49:44,887 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@548adee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.11 05:49:44, skipping insertion in model container
[2023-11-21 17:49:44,887 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:49:44" (3/3) ...
[2023-11-21 17:49:44,889 INFO  L112   eAbstractionObserver]: Analyzing ICFG race-1_3-join.i
[2023-11-21 17:49:44,898 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-11-21 17:49:44,906 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-11-21 17:49:44,906 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2023-11-21 17:49:44,906 INFO  L514   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-11-21 17:49:44,940 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2023-11-21 17:49:44,974 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-21 17:49:44,975 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-11-21 17:49:44,975 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2023-11-21 17:49:44,997 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2023-11-21 17:49:45,015 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2023-11-21 17:49:45,035 INFO  L159   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-11-21 17:49:45,053 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2023-11-21 17:49:45,059 INFO  L357      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=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;@9632e25, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-11-21 17:49:45,059 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2023-11-21 17:49:45,082 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2023-11-21 17:49:45,085 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 17:49:45,086 INFO  L85        PathProgramCache]: Analyzing trace with hash 283078, now seen corresponding path program 1 times
[2023-11-21 17:49:45,097 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 17:49:45,098 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758224344]
[2023-11-21 17:49:45,098 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 17:49:45,098 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 17:49:45,228 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 17:49:45,406 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-21 17:49:45,407 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 17:49:45,407 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758224344]
[2023-11-21 17:49:45,408 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758224344] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-21 17:49:45,408 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-21 17:49:45,408 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-21 17:49:45,409 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [189791752]
[2023-11-21 17:49:45,410 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-21 17:49:45,413 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-21 17:49:45,413 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 17:49:45,434 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-21 17:49:45,434 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-21 17:49:45,435 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-21 17:49:45,436 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-21 17:49:45,437 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 1.0) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-21 17:49:45,437 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-21 17:49:45,534 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-21 17:49:45,534 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-11-21 17:49:45,534 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2023-11-21 17:49:45,535 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 17:49:45,535 INFO  L85        PathProgramCache]: Analyzing trace with hash -392738412, now seen corresponding path program 1 times
[2023-11-21 17:49:45,535 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 17:49:45,535 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1344925543]
[2023-11-21 17:49:45,536 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 17:49:45,536 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 17:49:45,589 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-11-21 17:49:45,743 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-11-21 17:49:45,743 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-11-21 17:49:45,743 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1344925543]
[2023-11-21 17:49:45,744 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1344925543] provided 1 perfect and 0 imperfect interpolant sequences
[2023-11-21 17:49:45,744 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-11-21 17:49:45,744 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-11-21 17:49:45,744 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023542309]
[2023-11-21 17:49:45,744 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-11-21 17:49:45,745 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-11-21 17:49:45,745 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-11-21 17:49:45,746 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-11-21 17:49:45,746 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-11-21 17:49:45,746 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-11-21 17:49:45,747 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-11-21 17:49:45,747 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2023-11-21 17:49:45,747 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-11-21 17:49:45,747 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-11-21 17:49:45,811 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-21 17:49:45,811 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-11-21 17:49:45,811 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-11-21 17:49:45,812 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 2 more)] ===
[2023-11-21 17:49:45,812 INFO  L160       PredicateUnifier]: Initialized classic predicate unifier
[2023-11-21 17:49:45,812 INFO  L85        PathProgramCache]: Analyzing trace with hash -723377762, now seen corresponding path program 2 times
[2023-11-21 17:49:45,812 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-11-21 17:49:45,813 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [400740925]
[2023-11-21 17:49:45,813 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-11-21 17:49:45,813 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-11-21 17:49:45,838 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-21 17:49:45,839 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-11-21 17:49:45,849 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-11-21 17:49:45,867 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-11-21 17:49:45,867 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-11-21 17:49:45,868 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining)
[2023-11-21 17:49:45,869 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (3 of 5 remaining)
[2023-11-21 17:49:45,869 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (2 of 5 remaining)
[2023-11-21 17:49:45,870 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (1 of 5 remaining)
[2023-11-21 17:49:45,870 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining)
[2023-11-21 17:49:45,870 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-11-21 17:49:45,875 INFO  L445         BasicCegarLoop]: Path program histogram: [2, 1]
[2023-11-21 17:49:45,878 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-11-21 17:49:45,879 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-11-21 17:49:45,901 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated
[2023-11-21 17:49:45,909 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.11 05:49:45 BasicIcfg
[2023-11-21 17:49:45,910 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-11-21 17:49:45,910 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2023-11-21 17:49:45,911 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2023-11-21 17:49:45,911 INFO  L274        PluginConnector]: Witness Printer initialized
[2023-11-21 17:49:45,912 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 05:49:44" (3/4) ...
[2023-11-21 17:49:45,913 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2023-11-21 17:49:45,925 WARN  L1572  BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated
[2023-11-21 17:49:45,998 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml
[2023-11-21 17:49:45,998 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2023-11-21 17:49:45,998 INFO  L158              Benchmark]: Toolchain (without parser) took 2594.41ms. Allocated memory is still 199.2MB. Free memory was 154.8MB in the beginning and 165.1MB in the end (delta: -10.3MB). Peak memory consumption was 105.0MB. Max. memory is 16.1GB.
[2023-11-21 17:49:45,999 INFO  L158              Benchmark]: CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB.
[2023-11-21 17:49:45,999 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 707.60ms. Allocated memory is still 199.2MB. Free memory was 154.8MB in the beginning and 153.0MB in the end (delta: 1.8MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB.
[2023-11-21 17:49:45,999 INFO  L158              Benchmark]: Boogie Procedure Inliner took 41.22ms. Allocated memory is still 199.2MB. Free memory was 153.0MB in the beginning and 149.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-21 17:49:45,999 INFO  L158              Benchmark]: Boogie Preprocessor took 66.00ms. Allocated memory is still 199.2MB. Free memory was 149.8MB in the beginning and 145.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2023-11-21 17:49:45,999 INFO  L158              Benchmark]: RCFGBuilder took 657.96ms. Allocated memory is still 199.2MB. Free memory was 145.6MB in the beginning and 141.3MB in the end (delta: 4.3MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB.
[2023-11-21 17:49:45,999 INFO  L158              Benchmark]: TraceAbstraction took 1027.97ms. Allocated memory is still 199.2MB. Free memory was 140.3MB in the beginning and 55.4MB in the end (delta: 84.9MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB.
[2023-11-21 17:49:46,000 INFO  L158              Benchmark]: Witness Printer took 87.84ms. Allocated memory is still 199.2MB. Free memory was 55.4MB in the beginning and 165.1MB in the end (delta: -109.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB.
[2023-11-21 17:49:46,001 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.16ms. Allocated memory is still 109.1MB. Free memory is still 72.2MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 707.60ms. Allocated memory is still 199.2MB. Free memory was 154.8MB in the beginning and 153.0MB in the end (delta: 1.8MB). Peak memory consumption was 51.2MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 41.22ms. Allocated memory is still 199.2MB. Free memory was 153.0MB in the beginning and 149.8MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 66.00ms. Allocated memory is still 199.2MB. Free memory was 149.8MB in the beginning and 145.6MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * RCFGBuilder took 657.96ms. Allocated memory is still 199.2MB. Free memory was 145.6MB in the beginning and 141.3MB in the end (delta: 4.3MB). Peak memory consumption was 11.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 1027.97ms. Allocated memory is still 199.2MB. Free memory was 140.3MB in the beginning and 55.4MB in the end (delta: 84.9MB). Peak memory consumption was 83.9MB. Max. memory is 16.1GB.
 * Witness Printer took 87.84ms. Allocated memory is still 199.2MB. Free memory was 55.4MB in the beginning and 165.1MB in the end (delta: -109.8MB). Peak memory consumption was 8.6MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated
  - GenericResult: Unfinished Backtranslation
    The program execution was not completely translated back.
  - GenericResult: Unfinished Backtranslation
    Unfinished Backtranslation: IdentifierExpression #t~pre34 could not be translated
  - GenericResult: Unfinished Backtranslation
    The program execution was not completely translated back.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 153, independent: 126, independent conditional: 37, independent unconditional: 89, dependent: 27, dependent conditional: 21, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 134, independent: 126, independent conditional: 37, independent unconditional: 89, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 134, independent: 126, independent conditional: 37, independent unconditional: 89, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 136, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 10, dependent conditional: 2, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 136, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 136, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 96, independent: 89, independent conditional: 0, independent unconditional: 89, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 96, independent: 88, independent conditional: 0, independent unconditional: 88, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 39, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 37, dependent conditional: 3, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 136, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 96, unknown conditional: 1, unknown unconditional: 95] , Statistics on independence cache: Total cache size (in pairs): 96, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 7, Negative conditional cache size: 1, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 1, Independence queries for same thread: 19
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time: 0.1s, Number of persistent set computation: 40, Number of trivial persistent sets: 35, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 95, independent: 89, independent conditional: 0, independent unconditional: 89, dependent: 6, dependent conditional: 0, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 153, independent: 126, independent conditional: 37, independent unconditional: 89, dependent: 27, dependent conditional: 21, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 134, independent: 126, independent conditional: 37, independent unconditional: 89, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 134, independent: 126, independent conditional: 37, independent unconditional: 89, dependent: 8, dependent conditional: 2, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 136, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 10, dependent conditional: 2, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 136, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 136, independent: 126, independent conditional: 0, independent unconditional: 126, dependent: 10, dependent conditional: 1, dependent unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 96, independent: 89, independent conditional: 0, independent unconditional: 89, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 96, independent: 88, independent conditional: 0, independent unconditional: 88, dependent: 8, dependent conditional: 0, dependent unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 8, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 7, dependent conditional: 1, dependent unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 39, independent: 1, independent conditional: 0, independent unconditional: 1, dependent: 37, dependent conditional: 3, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 136, independent: 37, independent conditional: 0, independent unconditional: 37, dependent: 3, dependent conditional: 0, dependent unconditional: 3, unknown: 96, unknown conditional: 1, unknown unconditional: 95] , Statistics on independence cache: Total cache size (in pairs): 96, Positive cache size: 89, Positive conditional cache size: 0, Positive unconditional cache size: 89, Negative cache size: 7, Negative conditional cache size: 1, Negative unconditional cache size: 6, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1, Maximal queried relation: 1, Independence queries for same thread: 19
  - CounterExampleResult [Line: 1695]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L1696]               0  pthread_t t1;
[L1696]               0  pthread_t t1;
[L1697]               0  pthread_mutex_t mutex;
[L1697]               0  pthread_mutex_t mutex;
[L1697]               0  pthread_mutex_t mutex;
[L1697]               0  pthread_mutex_t mutex;
[L1697]               0  pthread_mutex_t mutex;
[L1697]               0  pthread_mutex_t mutex;
[L1698]               0  int pdev;
[L1734]  CALL, EXPR   0  module_init()
[L1709]               0  pdev = 1
[L1710]  CALL         0  ldv_assert(pdev==1)
[L1695]  COND FALSE   0  !(!expression)
         VAL             [\old(expression)=1, expression=1, mutex={4:0}, pdev=1, t1={3:0}]
[L1710]  RET          0  ldv_assert(pdev==1)
[L1711]  COND TRUE    0  __VERIFIER_nondet_int()
[L1712]  FCALL, FORK  0  pthread_create(&t1, ((void *)0), thread1, ((void *)0))
         VAL             [arg={0:0}, mutex={4:0}, pdev=1, t1={3:0}]
[L1713]               0  return 0;
         VAL             [\result=0, arg={0:0}, arg={0:0}, mutex={4:0}, pdev=1, t1={3:0}]
[L1734]  RET, EXPR    0  module_init()
[L1734]  COND FALSE   0  !(module_init()!=0)
[L1735]  CALL         0  module_exit()
[L1721]               0  void *status;
         VAL             [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=1, status={5:0}, t1={3:0}]
[L1723]               0  pdev = 4
         VAL             [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=4, status={5:0}, t1={3:0}]
[L1702]               1  pdev = 6
         VAL             [arg={0:0}, arg={0:0}, mutex={4:0}, pdev=6, t1={3:0}]
[L1705]               1  return 0;
[L1726]  CALL         0  ldv_assert(pdev==4)
[L1695]  COND TRUE    0  !expression
[L1695]               0  reach_error()
         VAL             [\old(expression)=0, \result={0:0}, arg={0:0}, arg={0:0}, expression=0, mutex={4:0}, pdev=6, t1={3:0}]

  - UnprovableResult [Line: 1695]: Unable to prove that a call to reach_error is unreachable
    Unable to prove that a call to reach_error is unreachable
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1695]: Unable to prove that a call to reach_error is unreachable
    Unable to prove that a call to reach_error is unreachable
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1695]: Unable to prove that a call to reach_error is unreachable
    Unable to prove that a call to reach_error is unreachable
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1712]: 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, 41 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, 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: 6, 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, 0.3s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 17 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2023-11-21 17:49:46,083 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2023-11-21 17:49:46,242 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/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