/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por GLOBAL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i


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


This is Ultimate 0.2.2-wip.dk.orders-218013a
[2023-05-04 17:02:55,022 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-05-04 17:02:55,023 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2023-05-04 17:02:55,068 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-05-04 17:02:55,068 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-05-04 17:02:55,073 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-05-04 17:02:55,078 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2023-05-04 17:02:55,084 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2023-05-04 17:02:55,085 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-05-04 17:02:55,086 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-05-04 17:02:55,086 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-05-04 17:02:55,087 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-05-04 17:02:55,092 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-05-04 17:02:55,095 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-05-04 17:02:55,103 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-05-04 17:02:55,106 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-05-04 17:02:55,109 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-05-04 17:02:55,110 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-05-04 17:02:55,111 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-05-04 17:02:55,113 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2023-05-04 17:02:55,114 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2023-05-04 17:02:55,116 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-05-04 17:02:55,116 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-05-04 17:02:55,116 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-05-04 17:02:55,117 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-05-04 17:02:55,118 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-05-04 17:02:55,118 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-05-04 17:02:55,119 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2023-05-04 17:02:55,119 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2023-05-04 17:02:55,120 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2023-05-04 17:02:55,126 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-05-04 17:02:55,130 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf
[2023-05-04 17:02:55,163 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-05-04 17:02:55,163 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-05-04 17:02:55,164 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-05-04 17:02:55,164 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-05-04 17:02:55,165 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-05-04 17:02:55,165 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-05-04 17:02:55,166 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-05-04 17:02:55,166 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2023-05-04 17:02:55,166 INFO  L138        SettingsManager]:  * Use SBE=true
[2023-05-04 17:02:55,166 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-05-04 17:02:55,167 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-05-04 17:02:55,167 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-05-04 17:02:55,167 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-05-04 17:02:55,168 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-05-04 17:02:55,168 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-05-04 17:02:55,168 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-05-04 17:02:55,168 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-05-04 17:02:55,168 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-05-04 17:02:55,168 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-05-04 17:02:55,168 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-05-04 17:02:55,168 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-05-04 17:02:55,168 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-05-04 17:02:55,169 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-05-04 17:02:55,169 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2023-05-04 17:02:55,169 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-05-04 17:02:55,169 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-05-04 17:02:55,169 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-05-04 17:02:55,169 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-05-04 17:02:55,169 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-05-04 17:02:55,169 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-05-04 17:02:55,170 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2023-05-04 17:02:55,170 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-05-04 17:02:55,170 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-05-04 17:02:55,170 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-05-04 17:02:55,170 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-05-04 17:02:55,170 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2023-05-04 17:02:55,170 INFO  L138        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/UAutomizer-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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> GLOBAL_READ_WRITE
[2023-05-04 17:02:55,409 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-05-04 17:02:55,426 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-05-04 17:02:55,428 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-05-04 17:02:55,429 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-05-04 17:02:55,433 INFO  L275        PluginConnector]: CDTParser initialized
[2023-05-04 17:02:55,434 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-2_2-container_of.i
[2023-05-04 17:02:55,488 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40fa95c14/ec0767df107a481588f4ce97ee5d29de/FLAGc2a495d56
[2023-05-04 17:02:56,032 INFO  L306              CDTParser]: Found 1 translation units.
[2023-05-04 17:02:56,032 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-2_2-container_of.i
[2023-05-04 17:02:56,066 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40fa95c14/ec0767df107a481588f4ce97ee5d29de/FLAGc2a495d56
[2023-05-04 17:02:56,512 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/40fa95c14/ec0767df107a481588f4ce97ee5d29de
[2023-05-04 17:02:56,519 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-05-04 17:02:56,521 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-05-04 17:02:56,522 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-05-04 17:02:56,522 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-05-04 17:02:56,525 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-05-04 17:02:56,526 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 05:02:56" (1/1) ...
[2023-05-04 17:02:56,527 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c5b7855 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:02:56, skipping insertion in model container
[2023-05-04 17:02:56,528 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 05:02:56" (1/1) ...
[2023-05-04 17:02:56,534 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-05-04 17:02:56,578 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-05-04 17:02:56,723 WARN  L611        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-05-04 17:02:57,126 WARN  L230   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-2_2-container_of.i[75002,75015]
[2023-05-04 17:02:57,172 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-05-04 17:02:57,181 INFO  L203         MainTranslator]: Completed pre-run
[2023-05-04 17:02:57,193 WARN  L611        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-05-04 17:02:57,226 WARN  L230   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-2_2-container_of.i[75002,75015]
[2023-05-04 17:02:57,238 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-05-04 17:02:57,352 INFO  L208         MainTranslator]: Completed translation
[2023-05-04 17:02:57,353 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:02:57 WrapperNode
[2023-05-04 17:02:57,353 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-05-04 17:02:57,354 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-05-04 17:02:57,354 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-05-04 17:02:57,355 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2023-05-04 17:02:57,361 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:02:57" (1/1) ...
[2023-05-04 17:02:57,386 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:02:57" (1/1) ...
[2023-05-04 17:02:57,410 INFO  L138                Inliner]: procedures = 468, calls = 48, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 115
[2023-05-04 17:02:57,411 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-05-04 17:02:57,411 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-05-04 17:02:57,411 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-05-04 17:02:57,411 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-05-04 17:02:57,419 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:02:57" (1/1) ...
[2023-05-04 17:02:57,419 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:02:57" (1/1) ...
[2023-05-04 17:02:57,423 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:02:57" (1/1) ...
[2023-05-04 17:02:57,423 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:02:57" (1/1) ...
[2023-05-04 17:02:57,438 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:02:57" (1/1) ...
[2023-05-04 17:02:57,440 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:02:57" (1/1) ...
[2023-05-04 17:02:57,445 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:02:57" (1/1) ...
[2023-05-04 17:02:57,447 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:02:57" (1/1) ...
[2023-05-04 17:02:57,452 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-05-04 17:02:57,453 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-05-04 17:02:57,454 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-05-04 17:02:57,454 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-05-04 17:02:57,455 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:02:57" (1/1) ...
[2023-05-04 17:02:57,460 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-05-04 17:02:57,471 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 17:02:57,483 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-05-04 17:02:57,509 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-05-04 17:02:57,526 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-05-04 17:02:57,528 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-05-04 17:02:57,528 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-05-04 17:02:57,528 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-05-04 17:02:57,528 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-05-04 17:02:57,528 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-05-04 17:02:57,528 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-05-04 17:02:57,528 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-05-04 17:02:57,528 INFO  L130     BoogieDeclarations]: Found specification of procedure my_callback
[2023-05-04 17:02:57,529 INFO  L138     BoogieDeclarations]: Found implementation of procedure my_callback
[2023-05-04 17:02:57,529 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-05-04 17:02:57,529 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-05-04 17:02:57,529 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-05-04 17:02:57,531 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2023-05-04 17:02:57,934 INFO  L235             CfgBuilder]: Building ICFG
[2023-05-04 17:02:57,937 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-05-04 17:02:58,230 INFO  L276             CfgBuilder]: Performing block encoding
[2023-05-04 17:02:58,245 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-05-04 17:02:58,245 INFO  L300             CfgBuilder]: Removed 0 assume(true) statements.
[2023-05-04 17:02:58,247 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:02:58 BoogieIcfgContainer
[2023-05-04 17:02:58,248 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-05-04 17:02:58,250 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-05-04 17:02:58,250 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-05-04 17:02:58,253 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-05-04 17:02:58,253 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 05:02:56" (1/3) ...
[2023-05-04 17:02:58,254 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130dc56e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 05:02:58, skipping insertion in model container
[2023-05-04 17:02:58,254 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:02:57" (2/3) ...
[2023-05-04 17:02:58,255 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@130dc56e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 05:02:58, skipping insertion in model container
[2023-05-04 17:02:58,255 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:02:58" (3/3) ...
[2023-05-04 17:02:58,257 INFO  L112   eAbstractionObserver]: Analyzing ICFG race-2_2-container_of.i
[2023-05-04 17:02:58,265 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-05-04 17:02:58,274 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-05-04 17:02:58,274 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2023-05-04 17:02:58,274 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-05-04 17:02:58,362 INFO  L144    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2023-05-04 17:02:58,400 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-05-04 17:02:58,400 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-05-04 17:02:58,401 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 17:02:58,402 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2023-05-04 17:02:58,405 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2023-05-04 17:02:58,435 INFO  L162   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-05-04 17:02:58,451 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2023-05-04 17:02:58,457 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=LoopsAndPotentialCycles, 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;@6e034f6e, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-05-04 17:02:58,458 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 6 error locations.
[2023-05-04 17:03:10,514 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] ===
[2023-05-04 17:03:10,522 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 17:03:10,522 INFO  L85        PathProgramCache]: Analyzing trace with hash 664526755, now seen corresponding path program 1 times
[2023-05-04 17:03:10,530 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 17:03:10,532 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2102054333]
[2023-05-04 17:03:10,532 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 17:03:10,533 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 17:03:10,836 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 17:03:11,726 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-05-04 17:03:11,727 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 17:03:11,727 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2102054333]
[2023-05-04 17:03:11,728 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2102054333] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 17:03:11,729 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-05-04 17:03:11,729 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-05-04 17:03:11,730 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875617084]
[2023-05-04 17:03:11,731 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 17:03:11,738 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-05-04 17:03:11,739 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 17:03:11,765 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-05-04 17:03:11,767 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-05-04 17:03:11,768 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 17:03:11,768 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 17:03:11,771 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 22.333333333333332) internal successors, (134), 6 states have internal predecessors, (134), 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)
[2023-05-04 17:03:11,771 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 17:03:12,014 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-05-04 17:03:12,015 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-05-04 17:03:12,015 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] ===
[2023-05-04 17:03:12,016 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 17:03:12,016 INFO  L85        PathProgramCache]: Analyzing trace with hash -156969794, now seen corresponding path program 1 times
[2023-05-04 17:03:12,017 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 17:03:12,017 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [619804928]
[2023-05-04 17:03:12,017 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 17:03:12,017 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 17:03:12,125 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 17:03:12,569 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-05-04 17:03:12,570 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 17:03:12,570 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [619804928]
[2023-05-04 17:03:12,570 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [619804928] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 17:03:12,570 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-05-04 17:03:12,570 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2023-05-04 17:03:12,570 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [875327263]
[2023-05-04 17:03:12,571 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 17:03:12,573 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2023-05-04 17:03:12,573 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 17:03:12,573 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2023-05-04 17:03:12,574 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30
[2023-05-04 17:03:12,575 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 17:03:12,575 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 17:03:12,576 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 6 states, 6 states have (on average 21.0) internal successors, (126), 6 states have internal predecessors, (126), 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)
[2023-05-04 17:03:12,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2023-05-04 17:03:12,576 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 17:03:12,744 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-05-04 17:03:12,745 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-05-04 17:03:12,745 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-05-04 17:03:12,746 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] ===
[2023-05-04 17:03:12,746 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 17:03:12,747 INFO  L85        PathProgramCache]: Analyzing trace with hash 1376155664, now seen corresponding path program 1 times
[2023-05-04 17:03:12,747 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 17:03:12,747 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [328290249]
[2023-05-04 17:03:12,747 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 17:03:12,747 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 17:03:12,858 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 17:03:17,419 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-05-04 17:03:17,419 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 17:03:17,420 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [328290249]
[2023-05-04 17:03:17,420 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [328290249] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 17:03:17,420 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-05-04 17:03:17,420 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [31] imperfect sequences [] total 31
[2023-05-04 17:03:17,420 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1416153051]
[2023-05-04 17:03:17,420 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 17:03:17,421 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 31 states
[2023-05-04 17:03:17,421 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 17:03:17,421 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants.
[2023-05-04 17:03:17,423 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=857, Unknown=0, NotChecked=0, Total=930
[2023-05-04 17:03:17,423 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 17:03:17,423 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 17:03:17,423 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 31 states, 31 states have (on average 3.6774193548387095) internal successors, (114), 31 states have internal predecessors, (114), 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)
[2023-05-04 17:03:17,423 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2023-05-04 17:03:17,423 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-05-04 17:03:17,423 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 17:03:25,297 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-05-04 17:03:25,297 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-05-04 17:03:25,301 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. 
[2023-05-04 17:03:25,301 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-05-04 17:03:25,301 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] ===
[2023-05-04 17:03:25,302 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 17:03:25,302 INFO  L85        PathProgramCache]: Analyzing trace with hash 1411156090, now seen corresponding path program 1 times
[2023-05-04 17:03:25,302 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 17:03:25,302 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541766070]
[2023-05-04 17:03:25,303 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 17:03:25,303 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 17:03:25,350 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 17:03:27,679 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-05-04 17:03:27,680 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 17:03:27,680 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541766070]
[2023-05-04 17:03:27,680 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541766070] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 17:03:27,680 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-05-04 17:03:27,680 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [25] imperfect sequences [] total 25
[2023-05-04 17:03:27,680 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356362014]
[2023-05-04 17:03:27,681 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 17:03:27,681 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2023-05-04 17:03:27,681 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 17:03:27,682 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2023-05-04 17:03:27,682 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=524, Unknown=0, NotChecked=0, Total=600
[2023-05-04 17:03:27,682 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 17:03:27,682 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 17:03:27,683 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 25 states, 25 states have (on average 4.24) internal successors, (106), 25 states have internal predecessors, (106), 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)
[2023-05-04 17:03:27,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. 
[2023-05-04 17:03:27,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. 
[2023-05-04 17:03:27,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. 
[2023-05-04 17:03:27,683 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 17:03:36,572 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. 
[2023-05-04 17:03:36,572 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-05-04 17:03:36,572 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. 
[2023-05-04 17:03:36,572 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. 
[2023-05-04 17:03:36,573 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-05-04 17:03:36,573 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] ===
[2023-05-04 17:03:36,573 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 17:03:36,573 INFO  L85        PathProgramCache]: Analyzing trace with hash -429384216, now seen corresponding path program 2 times
[2023-05-04 17:03:36,574 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 17:03:36,574 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446693496]
[2023-05-04 17:03:36,574 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 17:03:36,574 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 17:03:36,632 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-05-04 17:03:36,632 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-05-04 17:03:36,672 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-05-04 17:03:36,731 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-05-04 17:03:36,731 INFO  L359         BasicCegarLoop]: Counterexample is feasible
[2023-05-04 17:03:36,732 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 6 remaining)
[2023-05-04 17:03:36,737 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (4 of 6 remaining)
[2023-05-04 17:03:36,738 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (3 of 6 remaining)
[2023-05-04 17:03:36,738 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 6 remaining)
[2023-05-04 17:03:36,738 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 6 remaining)
[2023-05-04 17:03:36,738 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 6 remaining)
[2023-05-04 17:03:36,738 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-05-04 17:03:36,748 INFO  L444         BasicCegarLoop]: Path program histogram: [2, 1, 1, 1]
[2023-05-04 17:03:36,754 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-05-04 17:03:36,754 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-05-04 17:03:36,856 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 05:03:36 BasicIcfg
[2023-05-04 17:03:36,856 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-05-04 17:03:36,862 INFO  L158              Benchmark]: Toolchain (without parser) took 40336.15ms. Allocated memory was 195.0MB in the beginning and 408.9MB in the end (delta: 213.9MB). Free memory was 159.7MB in the beginning and 183.8MB in the end (delta: -24.1MB). Peak memory consumption was 189.4MB. Max. memory is 8.0GB.
[2023-05-04 17:03:36,866 INFO  L158              Benchmark]: CDTParser took 0.13ms. Allocated memory is still 195.0MB. Free memory is still 150.7MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-05-04 17:03:36,867 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 831.55ms. Allocated memory was 195.0MB in the beginning and 273.7MB in the end (delta: 78.6MB). Free memory was 159.4MB in the beginning and 199.3MB in the end (delta: -39.9MB). Peak memory consumption was 41.1MB. Max. memory is 8.0GB.
[2023-05-04 17:03:36,868 INFO  L158              Benchmark]: Boogie Procedure Inliner took 56.36ms. Allocated memory is still 273.7MB. Free memory was 199.3MB in the beginning and 195.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-05-04 17:03:36,868 INFO  L158              Benchmark]: Boogie Preprocessor took 41.51ms. Allocated memory is still 273.7MB. Free memory was 195.9MB in the beginning and 193.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB.
[2023-05-04 17:03:36,868 INFO  L158              Benchmark]: RCFGBuilder took 794.07ms. Allocated memory is still 273.7MB. Free memory was 193.1MB in the beginning and 233.9MB in the end (delta: -40.9MB). Peak memory consumption was 19.6MB. Max. memory is 8.0GB.
[2023-05-04 17:03:36,870 INFO  L158              Benchmark]: TraceAbstraction took 38606.41ms. Allocated memory was 273.7MB in the beginning and 408.9MB in the end (delta: 135.3MB). Free memory was 232.9MB in the beginning and 183.8MB in the end (delta: 49.0MB). Peak memory consumption was 184.3MB. Max. memory is 8.0GB.
[2023-05-04 17:03:36,871 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.13ms. Allocated memory is still 195.0MB. Free memory is still 150.7MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 831.55ms. Allocated memory was 195.0MB in the beginning and 273.7MB in the end (delta: 78.6MB). Free memory was 159.4MB in the beginning and 199.3MB in the end (delta: -39.9MB). Peak memory consumption was 41.1MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 56.36ms. Allocated memory is still 273.7MB. Free memory was 199.3MB in the beginning and 195.9MB in the end (delta: 3.4MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 41.51ms. Allocated memory is still 273.7MB. Free memory was 195.9MB in the beginning and 193.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 8.0GB.
 * RCFGBuilder took 794.07ms. Allocated memory is still 273.7MB. Free memory was 193.1MB in the beginning and 233.9MB in the end (delta: -40.9MB). Peak memory consumption was 19.6MB. Max. memory is 8.0GB.
 * TraceAbstraction took 38606.41ms. Allocated memory was 273.7MB in the beginning and 408.9MB in the end (delta: 135.3MB). Free memory was 232.9MB in the beginning and 183.8MB in the end (delta: 49.0MB). Peak memory consumption was 184.3MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1860, independent: 1513, independent conditional: 364, independent unconditional: 1149, dependent: 325, dependent conditional: 303, dependent unconditional: 22, unknown: 22, unknown conditional: 9, unknown unconditional: 13] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1643, independent: 1513, independent conditional: 364, independent unconditional: 1149, dependent: 108, dependent conditional: 86, dependent unconditional: 22, unknown: 22, unknown conditional: 9, unknown unconditional: 13] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1643, independent: 1513, independent conditional: 364, independent unconditional: 1149, dependent: 108, dependent conditional: 86, dependent unconditional: 22, unknown: 22, unknown conditional: 9, unknown unconditional: 13] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1747, independent: 1513, independent conditional: 8, independent unconditional: 1505, dependent: 201, dependent conditional: 87, dependent unconditional: 114, unknown: 33, unknown conditional: 9, unknown unconditional: 24] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1747, independent: 1513, independent conditional: 8, independent unconditional: 1505, dependent: 201, dependent conditional: 51, dependent unconditional: 150, unknown: 33, unknown conditional: 5, unknown unconditional: 28] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1747, independent: 1513, independent conditional: 8, independent unconditional: 1505, dependent: 201, dependent conditional: 51, dependent unconditional: 150, unknown: 33, unknown conditional: 5, unknown unconditional: 28] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1201, independent: 1155, independent conditional: 6, independent unconditional: 1149, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 17, unknown conditional: 4, unknown unconditional: 13] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1201, independent: 1148, independent conditional: 0, independent unconditional: 1148, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 53, independent: 7, independent conditional: 6, independent unconditional: 1, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 17, unknown conditional: 4, unknown unconditional: 13] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, independent: 7, independent conditional: 6, independent unconditional: 1, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 17, unknown conditional: 4, unknown unconditional: 13] , SemanticIndependenceRelation.Query Time [ms]: [ total: 18477, independent: 108, independent conditional: 68, independent unconditional: 41, dependent: 301, dependent conditional: 114, dependent unconditional: 187, unknown: 18067, unknown conditional: 4228, unknown unconditional: 13839] , Protected Queries: 0 ], Cache Queries: [ total: 1747, independent: 358, independent conditional: 2, independent unconditional: 356, dependent: 172, dependent conditional: 44, dependent unconditional: 128, unknown: 1217, unknown conditional: 18, unknown unconditional: 1199] , Statistics on independence cache: Total cache size (in pairs): 1184, Positive cache size: 1155, Positive conditional cache size: 6, Positive unconditional cache size: 1149, Negative cache size: 29, Negative conditional cache size: 7, Negative unconditional cache size: 22, Unknown cache size: 17, Unknown conditional cache size: 4, Unknown unconditional cache size: 13, Eliminated conditions: 40, Maximal queried relation: 2, Independence queries for same thread: 217
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time: 14.1s, Number of persistent set computation: 163, Number of trivial persistent sets: 154, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1184, independent: 1149, independent conditional: 0, independent unconditional: 1149, dependent: 22, dependent conditional: 0, dependent unconditional: 22, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1860, independent: 1513, independent conditional: 364, independent unconditional: 1149, dependent: 325, dependent conditional: 303, dependent unconditional: 22, unknown: 22, unknown conditional: 9, unknown unconditional: 13] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1643, independent: 1513, independent conditional: 364, independent unconditional: 1149, dependent: 108, dependent conditional: 86, dependent unconditional: 22, unknown: 22, unknown conditional: 9, unknown unconditional: 13] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1643, independent: 1513, independent conditional: 364, independent unconditional: 1149, dependent: 108, dependent conditional: 86, dependent unconditional: 22, unknown: 22, unknown conditional: 9, unknown unconditional: 13] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1747, independent: 1513, independent conditional: 8, independent unconditional: 1505, dependent: 201, dependent conditional: 87, dependent unconditional: 114, unknown: 33, unknown conditional: 9, unknown unconditional: 24] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1747, independent: 1513, independent conditional: 8, independent unconditional: 1505, dependent: 201, dependent conditional: 51, dependent unconditional: 150, unknown: 33, unknown conditional: 5, unknown unconditional: 28] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1747, independent: 1513, independent conditional: 8, independent unconditional: 1505, dependent: 201, dependent conditional: 51, dependent unconditional: 150, unknown: 33, unknown conditional: 5, unknown unconditional: 28] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1201, independent: 1155, independent conditional: 6, independent unconditional: 1149, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 17, unknown conditional: 4, unknown unconditional: 13] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1201, independent: 1148, independent conditional: 0, independent unconditional: 1148, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 53, independent: 7, independent conditional: 6, independent unconditional: 1, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 17, unknown conditional: 4, unknown unconditional: 13] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 53, independent: 7, independent conditional: 6, independent unconditional: 1, dependent: 29, dependent conditional: 7, dependent unconditional: 22, unknown: 17, unknown conditional: 4, unknown unconditional: 13] , SemanticIndependenceRelation.Query Time [ms]: [ total: 18477, independent: 108, independent conditional: 68, independent unconditional: 41, dependent: 301, dependent conditional: 114, dependent unconditional: 187, unknown: 18067, unknown conditional: 4228, unknown unconditional: 13839] , Protected Queries: 0 ], Cache Queries: [ total: 1747, independent: 358, independent conditional: 2, independent unconditional: 356, dependent: 172, dependent conditional: 44, dependent unconditional: 128, unknown: 1217, unknown conditional: 18, unknown unconditional: 1199] , Statistics on independence cache: Total cache size (in pairs): 1184, Positive cache size: 1155, Positive conditional cache size: 6, Positive unconditional cache size: 1149, Negative cache size: 29, Negative conditional cache size: 7, Negative unconditional cache size: 22, Unknown cache size: 17, Unknown conditional cache size: 4, Unknown unconditional cache size: 13, Eliminated conditions: 40, Maximal queried relation: 2, Independence queries for same thread: 217
  - CounterExampleResult [Line: 1675]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L1676]               0  pthread_t t1,t2;
         VAL             [t1={3:0}, t2={4:0}]
[L1731]  CALL, EXPR   0  my_drv_init()
[L1725]               0  return 0;
         VAL             [\result=0, t1={3:0}, t2={4:0}]
[L1731]  RET, EXPR    0  my_drv_init()
[L1731]               0  int ret = my_drv_init();
         VAL             [my_drv_init()=0, ret=0, t1={3:0}, t2={4:0}]
[L1732]  COND TRUE    0  ret==0
         VAL             [ret=0, t1={3:0}, t2={4:0}]
[L1733]               0  int probe_ret;
         VAL             [ret=0, t1={3:0}, t2={4:0}]
[L1734]               0  struct my_data data;
         VAL             [data={5:0}, ret=0, t1={3:0}, t2={4:0}]
[L1735]  CALL, EXPR   0  my_drv_probe(&data)
[L1704]               0  struct device *d = &data->dev;
         VAL             [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}]
[L1706]               0  data->shared.a = 0
         VAL             [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}]
[L1707]               0  data->shared.b = 0
         VAL             [d={5:24}, data={5:0}, data={5:0}, t1={3:0}, t2={4:0}]
[L1708]               0  int res = __VERIFIER_nondet_int();
         VAL             [__VERIFIER_nondet_int()=0, d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}]
[L1709]  COND FALSE   0  !(\read(res))
         VAL             [d={5:24}, data={5:0}, data={5:0}, res=0, t1={3:0}, t2={4:0}]
[L1711]  FCALL, FORK  0  pthread_create(&t1, ((void *)0), my_callback, (void *)d)
         VAL             [arg={5:24}, d={5:24}, data={5:0}, data={5:0}, pthread_create(&t1, ((void *)0), my_callback, (void *)d)=-1, res=0, t1={3:0}, t2={4:0}]
[L1689]               1  struct device *dev = (struct device*)arg;
         VAL             [arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}]
[L1690]               1  struct my_data *data;
         VAL             [arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}]
[L1691]               1  const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev);
         VAL             [__mptr={5:24}, arg={5:24}, arg={5:24}, dev={5:24}, t1={3:0}, t2={4:0}]
[L1691]               1  data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );})
         VAL             [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}]
[L1693]               1  data->shared.a = 1
         VAL             [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, t1={3:0}, t2={4:0}]
[L1696]  EXPR         1  data->shared.b
[L1696]               1  int lb = data->shared.b;
[L1712]  FCALL, FORK  0  pthread_create(&t2, ((void *)0), my_callback, (void *)d)
         VAL             [__mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, pthread_create(&t2, ((void *)0), my_callback, (void *)d)=0, res=0, t1={3:0}, t2={4:0}]
[L1689]               2  struct device *dev = (struct device*)arg;
         VAL             [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}]
[L1690]               2  struct my_data *data;
         VAL             [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}]
[L1691]               2  const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev);
         VAL             [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}]
[L1691]               2  data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );})
         VAL             [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}]
[L1693]               2  data->shared.a = 1
         VAL             [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}]
[L1713]               0  return 0;
         VAL             [\result=0, __mptr={5:24}, arg={5:24}, arg={5:24}, d={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, res=0, t1={3:0}, t2={4:0}]
[L1735]  RET, EXPR    0  my_drv_probe(&data)
[L1735]               0  probe_ret = my_drv_probe(&data)
         VAL             [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, dev={5:24}, lb=0, my_drv_probe(&data)=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}]
[L1736]  COND TRUE    0  probe_ret==0
         VAL             [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, dev={5:24}, lb=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}]
[L1737]  CALL         0  my_drv_disconnect(&data)
[L1719]               0  void *status;
         VAL             [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, status={7:0}, t1={3:0}, t2={4:0}]
[L1720]               0  \read(t1)
         VAL             [\read(t1)=-1, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, status={7:0}, t1={3:0}, t2={4:0}]
[L1696]  EXPR         2  data->shared.b
[L1696]               2  int lb = data->shared.b;
[L1699]               1  data->shared.b = lb + 1
         VAL             [__mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}]
[L1701]               1  return 0;
         VAL             [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}]
[L1720]  FCALL, JOIN  1  pthread_join(t1, &status)
         VAL             [\read(t1)=-1, \result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, pthread_join(t1, &status)={0:0}, status={7:0}, t1={3:0}, t2={4:0}]
[L1701]               2  return 0;
         VAL             [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, lb=0, t1={3:0}, t2={4:0}]
[L1721]               0  \read(t2)
         VAL             [\read(t2)=0, \result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, status={7:0}, t1={3:0}, t2={4:0}]
[L1721]  FCALL, JOIN  2  pthread_join(t2, &status)
         VAL             [\read(t2)=0, \result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data={5:0}, dev={5:24}, lb=0, pthread_join(t2, &status)={0:0}, status={7:0}, t1={3:0}, t2={4:0}]
[L1737]  RET          0  my_drv_disconnect(&data)
[L1738]  EXPR         0  data.shared.a
         VAL             [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data.shared.a=1, dev={5:24}, lb=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}]
[L1738]  CALL         0  ldv_assert(data.shared.a==1)
[L1675]  COND FALSE   0  !(!expression)
         VAL             [\old(expression)=1, \result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, expression=1, lb=0, t1={3:0}, t2={4:0}]
[L1738]  RET          0  ldv_assert(data.shared.a==1)
[L1739]  EXPR         0  data.shared.b
         VAL             [\result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, data={5:0}, data.shared.b=1, dev={5:24}, lb=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}]
[L1739]  CALL         0  ldv_assert(data.shared.b==2)
[L1675]  COND TRUE    0  !expression
         VAL             [\old(expression)=0, \result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, expression=0, lb=0, t1={3:0}, t2={4:0}]
[L1675]               0  reach_error()
         VAL             [\old(expression)=0, \result={0:0}, __mptr={5:24}, arg={5:24}, arg={5:24}, data={5:0}, dev={5:24}, expression=0, lb=0, t1={3:0}, t2={4:0}]

  - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable
    Unable to prove that 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, not intended for end users)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1711]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 4 procedures, 170 locations, 6 error locations. Started 1 CEGAR loops. OverallTime: 38.3s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 29.2s, 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: 85, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 8.2s InterpolantComputationTime, 594 NumberOfCodeBlocks, 594 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 476 ConstructedInterpolants, 0 QuantifiedInterpolants, 4843 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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!
[2023-05-04 17:03:36,961 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2023-05-04 17:03:37,129 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...