This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m
[2024-10-16 10:30:38,695 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-10-16 10:30:38,764 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-10-16 10:30:38,768 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-10-16 10:30:38,769 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-16 10:30:38,796 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-16 10:30:38,798 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-16 10:30:38,799 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-16 10:30:38,799 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-16 10:30:38,799 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-16 10:30:38,800 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-16 10:30:38,800 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-10-16 10:30:38,801 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-10-16 10:30:38,802 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-16 10:30:38,802 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-10-16 10:30:38,803 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-10-16 10:30:38,803 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-10-16 10:30:38,803 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-10-16 10:30:38,803 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-10-16 10:30:38,804 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-10-16 10:30:38,804 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-16 10:30:38,807 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-10-16 10:30:38,807 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-10-16 10:30:38,807 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-10-16 10:30:38,807 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-10-16 10:30:38,807 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-10-16 10:30:38,808 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-16 10:30:38,808 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-10-16 10:30:38,808 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-10-16 10:30:38,808 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-10-16 10:30:38,808 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-16 10:30:38,809 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-16 10:30:38,809 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-10-16 10:30:38,809 INFO  L153        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2024-10-16 10:30:38,809 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-16 10:30:38,809 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-16 10:30:38,809 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-10-16 10:30:38,810 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-16 10:30:38,810 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-10-16 10:30:38,810 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-10-16 10:30:38,810 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-10-16 10:30:38,811 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 -> 7faac9952fd378b53dcd8f21391daa9cc75834f7be2a5ad0c70d96fc8524bd08
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> DEFAULT
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: TraceCheck mode for conditional commutativity -> GENERATOR_WITH_CONTEXT
[2024-10-16 10:30:39,091 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-16 10:30:39,110 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-16 10:30:39,113 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-16 10:30:39,113 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-10-16 10:30:39,114 INFO  L274        PluginConnector]: CDTParser initialized
[2024-10-16 10:30:39,115 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i
[2024-10-16 10:30:40,372 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-10-16 10:30:40,594 INFO  L384              CDTParser]: Found 1 translation units.
[2024-10-16 10:30:40,595 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i
[2024-10-16 10:30:40,611 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f2dc83e40/0b7f52e37b3d4c179f4cdd850e2a8f37/FLAG47bea79de
[2024-10-16 10:30:40,624 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/f2dc83e40/0b7f52e37b3d4c179f4cdd850e2a8f37
[2024-10-16 10:30:40,627 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-16 10:30:40,628 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-16 10:30:40,630 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-16 10:30:40,630 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-16 10:30:40,634 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-16 10:30:40,635 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:30:40" (1/1) ...
[2024-10-16 10:30:40,637 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@699f7599 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:30:40, skipping insertion in model container
[2024-10-16 10:30:40,637 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.10 10:30:40" (1/1) ...
[2024-10-16 10:30:40,678 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-10-16 10:30:41,034 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i[58135,58148]
[2024-10-16 10:30:41,062 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-16 10:30:41,072 INFO  L200         MainTranslator]: Completed pre-run
[2024-10-16 10:30:41,114 WARN  L247   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i[58135,58148]
[2024-10-16 10:30:41,122 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-10-16 10:30:41,185 INFO  L204         MainTranslator]: Completed translation
[2024-10-16 10:30:41,185 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:30:41 WrapperNode
[2024-10-16 10:30:41,186 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-16 10:30:41,186 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-16 10:30:41,186 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-16 10:30:41,187 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-16 10:30:41,191 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:30:41" (1/1) ...
[2024-10-16 10:30:41,215 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:30:41" (1/1) ...
[2024-10-16 10:30:41,259 INFO  L138                Inliner]: procedures = 378, calls = 82, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 266
[2024-10-16 10:30:41,259 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-16 10:30:41,259 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-16 10:30:41,260 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-16 10:30:41,260 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-10-16 10:30:41,271 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:30:41" (1/1) ...
[2024-10-16 10:30:41,272 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:30:41" (1/1) ...
[2024-10-16 10:30:41,279 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:30:41" (1/1) ...
[2024-10-16 10:30:41,279 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:30:41" (1/1) ...
[2024-10-16 10:30:41,286 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:30:41" (1/1) ...
[2024-10-16 10:30:41,288 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:30:41" (1/1) ...
[2024-10-16 10:30:41,290 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:30:41" (1/1) ...
[2024-10-16 10:30:41,291 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:30:41" (1/1) ...
[2024-10-16 10:30:41,293 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-16 10:30:41,294 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-16 10:30:41,294 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-10-16 10:30:41,294 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-10-16 10:30:41,295 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:30:41" (1/1) ...
[2024-10-16 10:30:41,299 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-16 10:30:41,314 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-16 10:30:41,325 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)
[2024-10-16 10:30:41,328 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
[2024-10-16 10:30:41,357 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-10-16 10:30:41,357 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2024-10-16 10:30:41,358 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-10-16 10:30:41,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2024-10-16 10:30:41,358 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-10-16 10:30:41,358 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2024-10-16 10:30:41,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2024-10-16 10:30:41,358 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-10-16 10:30:41,358 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-10-16 10:30:41,358 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-16 10:30:41,358 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2024-10-16 10:30:41,358 INFO  L130     BoogieDeclarations]: Found specification of procedure t_fun
[2024-10-16 10:30:41,359 INFO  L138     BoogieDeclarations]: Found implementation of procedure t_fun
[2024-10-16 10:30:41,359 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-10-16 10:30:41,359 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-16 10:30:41,359 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-16 10:30:41,360 WARN  L207             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-10-16 10:30:41,500 INFO  L238             CfgBuilder]: Building ICFG
[2024-10-16 10:30:41,501 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-16 10:30:41,849 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-10-16 10:30:41,850 INFO  L287             CfgBuilder]: Performing block encoding
[2024-10-16 10:30:42,029 INFO  L309             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-16 10:30:42,029 INFO  L314             CfgBuilder]: Removed 23 assume(true) statements.
[2024-10-16 10:30:42,029 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:30:42 BoogieIcfgContainer
[2024-10-16 10:30:42,029 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-16 10:30:42,032 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-16 10:30:42,032 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-10-16 10:30:42,035 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-10-16 10:30:42,035 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.10 10:30:40" (1/3) ...
[2024-10-16 10:30:42,035 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a87521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:30:42, skipping insertion in model container
[2024-10-16 10:30:42,035 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.10 10:30:41" (2/3) ...
[2024-10-16 10:30:42,037 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22a87521 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.10 10:30:42, skipping insertion in model container
[2024-10-16 10:30:42,038 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:30:42" (3/3) ...
[2024-10-16 10:30:42,039 INFO  L112   eAbstractionObserver]: Analyzing ICFG 28-race_reach_94-alloc_region_racing.i
[2024-10-16 10:30:42,051 INFO  L209   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-16 10:30:42,051 INFO  L149   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-10-16 10:30:42,051 INFO  L484   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-10-16 10:30:42,089 INFO  L143    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-10-16 10:30:42,125 INFO  L106   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-16 10:30:42,126 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-10-16 10:30:42,126 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-16 10:30:42,128 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)
[2024-10-16 10:30:42,129 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
[2024-10-16 10:30:42,214 INFO  L194   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-10-16 10:30:42,229 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 10:30:42,231 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ========
[2024-10-16 10:30:42,235 INFO  L333      AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@765521e0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=DEFAULT, mConComCheckerTraceCheckMode=GENERATOR_WITH_CONTEXT, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=100, mConComCheckerRandomSeed=123, mConComCheckerConditionCriterion=false
[2024-10-16 10:30:42,236 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2024-10-16 10:30:43,784 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-16 10:30:43,787 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 10:30:43,787 INFO  L85        PathProgramCache]: Analyzing trace with hash -1617961349, now seen corresponding path program 1 times
[2024-10-16 10:30:43,794 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 10:30:43,794 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895776939]
[2024-10-16 10:30:43,794 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 10:30:43,795 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 10:30:43,919 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-16 10:30:44,011 INFO  L134       CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-10-16 10:30:44,012 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-16 10:30:44,012 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895776939]
[2024-10-16 10:30:44,012 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895776939] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-16 10:30:44,013 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-16 10:30:44,013 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-10-16 10:30:44,014 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [134360901]
[2024-10-16 10:30:44,014 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-16 10:30:44,017 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-10-16 10:30:44,017 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-16 10:30:44,033 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-10-16 10:30:44,033 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-10-16 10:30:44,034 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 10:30:44,035 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-16 10:30:44,036 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 11.0) internal successors, (22), 2 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-16 10:30:44,036 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 10:30:53,844 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-10-16 10:30:53,844 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-16 10:30:53,845 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2024-10-16 10:30:53,845 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-10-16 10:30:53,845 INFO  L85        PathProgramCache]: Analyzing trace with hash 312496084, now seen corresponding path program 1 times
[2024-10-16 10:30:53,845 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-16 10:30:53,845 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [39900713]
[2024-10-16 10:30:53,845 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-16 10:30:53,846 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-16 10:30:53,954 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 10:30:53,954 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-16 10:30:54,010 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-16 10:30:54,037 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-10-16 10:30:54,037 INFO  L332         BasicCegarLoop]: Counterexample is feasible
[2024-10-16 10:30:54,038 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2024-10-16 10:30:54,039 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-10-16 10:30:54,046 INFO  L414         BasicCegarLoop]: Path program histogram: [1, 1]
[2024-10-16 10:30:54,047 INFO  L312   ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE (1/2)
[2024-10-16 10:30:54,085 INFO  L234   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-10-16 10:30:54,086 INFO  L165   ceAbstractionStarter]: Computing trace abstraction results
[2024-10-16 10:30:54,088 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.10 10:30:54 BasicIcfg
[2024-10-16 10:30:54,088 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-10-16 10:30:54,089 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-10-16 10:30:54,089 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-10-16 10:30:54,090 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-10-16 10:30:54,090 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.10 10:30:42" (3/4) ...
[2024-10-16 10:30:54,091 INFO  L133         WitnessPrinter]: Generating witness for reachability counterexample
[2024-10-16 10:30:54,133 INFO  L149         WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml
[2024-10-16 10:30:54,133 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-10-16 10:30:54,134 INFO  L158              Benchmark]: Toolchain (without parser) took 13505.81ms. Allocated memory was 86.0MB in the beginning and 157.3MB in the end (delta: 71.3MB). Free memory was 54.1MB in the beginning and 66.3MB in the end (delta: -12.2MB). Peak memory consumption was 59.1MB. Max. memory is 16.1GB.
[2024-10-16 10:30:54,134 INFO  L158              Benchmark]: CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 28.1MB in the beginning and 28.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-10-16 10:30:54,135 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 556.12ms. Allocated memory is still 86.0MB. Free memory was 53.9MB in the beginning and 36.7MB in the end (delta: 17.1MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB.
[2024-10-16 10:30:54,135 INFO  L158              Benchmark]: Boogie Procedure Inliner took 72.74ms. Allocated memory is still 86.0MB. Free memory was 36.4MB in the beginning and 62.8MB in the end (delta: -26.5MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB.
[2024-10-16 10:30:54,136 INFO  L158              Benchmark]: Boogie Preprocessor took 34.06ms. Allocated memory is still 86.0MB. Free memory was 62.8MB in the beginning and 60.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-16 10:30:54,136 INFO  L158              Benchmark]: RCFGBuilder took 735.57ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 60.3MB in the beginning and 69.3MB in the end (delta: -9.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-10-16 10:30:54,136 INFO  L158              Benchmark]: TraceAbstraction took 12056.59ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 67.9MB in the beginning and 72.6MB in the end (delta: -4.7MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB.
[2024-10-16 10:30:54,136 INFO  L158              Benchmark]: Witness Printer took 44.64ms. Allocated memory is still 157.3MB. Free memory was 71.6MB in the beginning and 66.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-10-16 10:30:54,137 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.20ms. Allocated memory is still 56.6MB. Free memory was 28.1MB in the beginning and 28.0MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 556.12ms. Allocated memory is still 86.0MB. Free memory was 53.9MB in the beginning and 36.7MB in the end (delta: 17.1MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 72.74ms. Allocated memory is still 86.0MB. Free memory was 36.4MB in the beginning and 62.8MB in the end (delta: -26.5MB). Peak memory consumption was 6.1MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 34.06ms. Allocated memory is still 86.0MB. Free memory was 62.8MB in the beginning and 60.3MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
 * RCFGBuilder took 735.57ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 60.3MB in the beginning and 69.3MB in the end (delta: -9.0MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 12056.59ms. Allocated memory was 107.0MB in the beginning and 157.3MB in the end (delta: 50.3MB). Free memory was 67.9MB in the beginning and 72.6MB in the end (delta: -4.7MB). Peak memory consumption was 45.6MB. Max. memory is 16.1GB.
 * Witness Printer took 44.64ms. Allocated memory is still 157.3MB. Free memory was 71.6MB in the beginning and 66.3MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Partial order reduction statistics
    Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8007, independent: 7619, independent conditional: 893, independent unconditional: 6726, dependent: 383, dependent conditional: 284, dependent unconditional: 99, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7778, independent: 7619, independent conditional: 893, independent unconditional: 6726, dependent: 154, dependent conditional: 55, dependent unconditional: 99, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7778, independent: 7619, independent conditional: 893, independent unconditional: 6726, dependent: 154, dependent conditional: 55, dependent unconditional: 99, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7778, independent: 7619, independent conditional: 893, independent unconditional: 6726, dependent: 154, dependent conditional: 55, dependent unconditional: 99, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7995, independent: 7619, independent conditional: 893, independent unconditional: 6726, dependent: 363, dependent conditional: 165, dependent unconditional: 198, unknown: 13, unknown conditional: 9, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7995, independent: 7619, independent conditional: 0, independent unconditional: 7619, dependent: 363, dependent conditional: 0, dependent unconditional: 363, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7995, independent: 7619, independent conditional: 0, independent unconditional: 7619, dependent: 363, dependent conditional: 0, dependent unconditional: 363, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3527, independent: 3424, independent conditional: 0, independent unconditional: 3424, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3527, independent: 3361, independent conditional: 0, independent unconditional: 3361, dependent: 166, dependent conditional: 0, dependent unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 166, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11001, independent: 1391, independent conditional: 0, independent unconditional: 1391, dependent: 4425, dependent conditional: 0, dependent unconditional: 4425, unknown: 5184, unknown conditional: 0, unknown unconditional: 5184] , Protected Queries: 0 ], Cache Queries: [ total: 7995, independent: 4195, independent conditional: 0, independent unconditional: 4195, dependent: 264, dependent conditional: 0, dependent unconditional: 264, unknown: 3536, unknown conditional: 0, unknown unconditional: 3536] , Statistics on independence cache: Total cache size (in pairs): 3523, Positive cache size: 3424, Positive conditional cache size: 0, Positive unconditional cache size: 3424, Negative cache size: 99, Negative conditional cache size: 0, Negative unconditional cache size: 99, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4, Eliminated conditions: 1067, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7995, independent: 7619, independent conditional: 893, independent unconditional: 6726, dependent: 363, dependent conditional: 165, dependent unconditional: 198, unknown: 13, unknown conditional: 9, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7995, independent: 7619, independent conditional: 0, independent unconditional: 7619, dependent: 363, dependent conditional: 0, dependent unconditional: 363, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7995, independent: 7619, independent conditional: 0, independent unconditional: 7619, dependent: 363, dependent conditional: 0, dependent unconditional: 363, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3527, independent: 3424, independent conditional: 0, independent unconditional: 3424, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3527, independent: 3361, independent conditional: 0, independent unconditional: 3361, dependent: 166, dependent conditional: 0, dependent unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 166, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11001, independent: 1391, independent conditional: 0, independent unconditional: 1391, dependent: 4425, dependent conditional: 0, dependent unconditional: 4425, unknown: 5184, unknown conditional: 0, unknown unconditional: 5184] , Protected Queries: 0 ], Cache Queries: [ total: 7995, independent: 4195, independent conditional: 0, independent unconditional: 4195, dependent: 264, dependent conditional: 0, dependent unconditional: 264, unknown: 3536, unknown conditional: 0, unknown unconditional: 3536] , Statistics on independence cache: Total cache size (in pairs): 3523, Positive cache size: 3424, Positive conditional cache size: 0, Positive unconditional cache size: 3424, Negative cache size: 99, Negative conditional cache size: 0, Negative unconditional cache size: 99, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4, Eliminated conditions: 1067 ], Independence queries for same thread: 229, Persistent sets #1 benchmarks: Persistent set computation time: 8.6s, Number of persistent set computation: 640, Number of trivial persistent sets: 540, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6827, independent: 6726, independent conditional: 0, independent unconditional: 6726, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 2, unknown conditional: 0, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8007, independent: 7619, independent conditional: 893, independent unconditional: 6726, dependent: 383, dependent conditional: 284, dependent unconditional: 99, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 7778, independent: 7619, independent conditional: 893, independent unconditional: 6726, dependent: 154, dependent conditional: 55, dependent unconditional: 99, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7778, independent: 7619, independent conditional: 893, independent unconditional: 6726, dependent: 154, dependent conditional: 55, dependent unconditional: 99, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 7778, independent: 7619, independent conditional: 893, independent unconditional: 6726, dependent: 154, dependent conditional: 55, dependent unconditional: 99, unknown: 5, unknown conditional: 3, unknown unconditional: 2] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7995, independent: 7619, independent conditional: 893, independent unconditional: 6726, dependent: 363, dependent conditional: 165, dependent unconditional: 198, unknown: 13, unknown conditional: 9, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7995, independent: 7619, independent conditional: 0, independent unconditional: 7619, dependent: 363, dependent conditional: 0, dependent unconditional: 363, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7995, independent: 7619, independent conditional: 0, independent unconditional: 7619, dependent: 363, dependent conditional: 0, dependent unconditional: 363, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3527, independent: 3424, independent conditional: 0, independent unconditional: 3424, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3527, independent: 3361, independent conditional: 0, independent unconditional: 3361, dependent: 166, dependent conditional: 0, dependent unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 166, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11001, independent: 1391, independent conditional: 0, independent unconditional: 1391, dependent: 4425, dependent conditional: 0, dependent unconditional: 4425, unknown: 5184, unknown conditional: 0, unknown unconditional: 5184] , Protected Queries: 0 ], Cache Queries: [ total: 7995, independent: 4195, independent conditional: 0, independent unconditional: 4195, dependent: 264, dependent conditional: 0, dependent unconditional: 264, unknown: 3536, unknown conditional: 0, unknown unconditional: 3536] , Statistics on independence cache: Total cache size (in pairs): 3523, Positive cache size: 3424, Positive conditional cache size: 0, Positive unconditional cache size: 3424, Negative cache size: 99, Negative conditional cache size: 0, Negative unconditional cache size: 99, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4, Eliminated conditions: 1067, Maximal queried relation: 1, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 7995, independent: 7619, independent conditional: 893, independent unconditional: 6726, dependent: 363, dependent conditional: 165, dependent unconditional: 198, unknown: 13, unknown conditional: 9, unknown unconditional: 4] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 7995, independent: 7619, independent conditional: 0, independent unconditional: 7619, dependent: 363, dependent conditional: 0, dependent unconditional: 363, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 7995, independent: 7619, independent conditional: 0, independent unconditional: 7619, dependent: 363, dependent conditional: 0, dependent unconditional: 363, unknown: 13, unknown conditional: 0, unknown unconditional: 13] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3527, independent: 3424, independent conditional: 0, independent unconditional: 3424, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3527, independent: 3361, independent conditional: 0, independent unconditional: 3361, dependent: 166, dependent conditional: 0, dependent unconditional: 166, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 166, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 166, independent: 63, independent conditional: 0, independent unconditional: 63, dependent: 99, dependent conditional: 0, dependent unconditional: 99, unknown: 4, unknown conditional: 0, unknown unconditional: 4] , SemanticIndependenceRelation.Query Time [ms]: [ total: 11001, independent: 1391, independent conditional: 0, independent unconditional: 1391, dependent: 4425, dependent conditional: 0, dependent unconditional: 4425, unknown: 5184, unknown conditional: 0, unknown unconditional: 5184] , Protected Queries: 0 ], Cache Queries: [ total: 7995, independent: 4195, independent conditional: 0, independent unconditional: 4195, dependent: 264, dependent conditional: 0, dependent unconditional: 264, unknown: 3536, unknown conditional: 0, unknown unconditional: 3536] , Statistics on independence cache: Total cache size (in pairs): 3523, Positive cache size: 3424, Positive conditional cache size: 0, Positive unconditional cache size: 3424, Negative cache size: 99, Negative conditional cache size: 0, Negative unconditional cache size: 99, Unknown cache size: 4, Unknown conditional cache size: 0, Unknown unconditional cache size: 4, Eliminated conditions: 1067 ], Independence queries for same thread: 229
  - CounterExampleResult [Line: 1235]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L1240]                     0  pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } };
[L1241-L1244]               0  struct s {
  int datum;
  struct s *next;
} *A;
[L1253]                     0  pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } };
[L1254]                     0  pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } };
[L1267]                     0  struct s *p;
[L1268]                     0  A = malloc(sizeof(struct s))
[L1269]        EXPR         0  \read(*A)
[L1269]        CALL         0  init(A,3)
[L1246]                     0  p -> datum = x
[L1247]                     0  p -> next = ((void *)0)
[L1269]        RET          0  init(A,3)
[L1270]                     0  pthread_t t_ids[10000];
[L1270]                     0  int i=0;
               VAL             [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=0, t_ids={14:0}]
[L1270]        COND TRUE    0  i<10000
[L1270]        FCALL, FORK  0  pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0))
               VAL             [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=0, t_ids={14:0}]
[L1256]                     1  struct s *p = malloc(sizeof(struct s));
[L1257]        CALL         1  init(p,7)
[L1246]                     1  p -> datum = x
[L1247]                     1  p -> next = ((void *)0)
[L1257]        RET          1  init(p,7)
[L1259]        CALL         1  insert(p, &A)
[L1250]        EXPR         1  \read(**list)
[L1250]                     1  p->next = *list
[L1251]                     1  *list = p
[L1259]        RET          1  insert(p, &A)
[L1270]                     0  i++
               VAL             [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=1, t_ids={14:0}]
[L1262]        COND FALSE   1  !(__VERIFIER_nondet_int())
[L1270]        COND TRUE    0  i<10000
[L1270]        FCALL, FORK  0  pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0))
               VAL             [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, __global_lock={3:0}, i=1, t_ids={14:0}]
[L1262]        EXPR         1  p->datum
[L1262]        CALL         1  __VERIFIER_assert((p->datum) == 0)
[L1235]        COND TRUE    1  !(cond)
               VAL             [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(cond)=0, __global_lock={3:0}, cond=0]
[L1235]                     1  reach_error()
               VAL             [A={4:0}, A_mutex={5:0}, B_mutex={6:0}, \old(cond)=0, __global_lock={3:0}, cond=0]

  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances
    CFG has 3 procedures, 112 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 11.8s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 11.4s, 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: 2, 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, 0.1s InterpolantComputationTime, 42 NumberOfCodeBlocks, 42 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 22 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 4/4 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.0s, ConditionalCommutativityCheckTime: 0.0s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 0, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0
RESULT: Ultimate proved your program to be incorrect!
[2024-10-16 10:30:54,184 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-10-16 10:30:54,362 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...