/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 '"3,2 1,1 2,2"' --traceabstraction.defines.what.statements.are.considered.a.step.in.por ALL_READ_WRITE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i


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


This is Ultimate 0.2.2-wip.dk.orders-218013a
[2023-05-04 05:34:57,825 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-05-04 05:34:57,827 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2023-05-04 05:34:57,860 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2023-05-04 05:34:57,860 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2023-05-04 05:34:57,863 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-05-04 05:34:57,865 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2023-05-04 05:34:57,875 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2023-05-04 05:34:57,876 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-05-04 05:34:57,877 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-05-04 05:34:57,877 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-05-04 05:34:57,878 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-05-04 05:34:57,879 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-05-04 05:34:57,883 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-05-04 05:34:57,883 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-05-04 05:34:57,884 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-05-04 05:34:57,885 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-05-04 05:34:57,886 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-05-04 05:34:57,889 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2023-05-04 05:34:57,890 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2023-05-04 05:34:57,891 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-05-04 05:34:57,891 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2023-05-04 05:34:57,892 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2023-05-04 05:34:57,892 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-05-04 05:34:57,892 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2023-05-04 05:34:57,893 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2023-05-04 05:34:57,893 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2023-05-04 05:34:57,894 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2023-05-04 05:34:57,894 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2023-05-04 05:34:57,895 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2023-05-04 05:34:57,895 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-05-04 05:34:57,896 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf
[2023-05-04 05:34:57,920 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-05-04 05:34:57,921 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-05-04 05:34:57,921 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-05-04 05:34:57,921 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-05-04 05:34:57,922 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-05-04 05:34:57,922 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-05-04 05:34:57,922 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-05-04 05:34:57,922 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2023-05-04 05:34:57,922 INFO  L138        SettingsManager]:  * Use SBE=true
[2023-05-04 05:34:57,923 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-05-04 05:34:57,923 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-05-04 05:34:57,923 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-05-04 05:34:57,923 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-05-04 05:34:57,923 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-05-04 05:34:57,923 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-05-04 05:34:57,924 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-05-04 05:34:57,924 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-05-04 05:34:57,924 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-05-04 05:34:57,924 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-05-04 05:34:57,924 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-05-04 05:34:57,924 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-05-04 05:34:57,924 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-05-04 05:34:57,924 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-05-04 05:34:57,925 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2023-05-04 05:34:57,925 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-05-04 05:34:57,925 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-05-04 05:34:57,925 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-05-04 05:34:57,925 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-05-04 05:34:57,925 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-05-04 05:34:57,926 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-05-04 05:34:57,926 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2023-05-04 05:34:57,926 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-05-04 05:34:57,926 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-05-04 05:34:57,926 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-05-04 05:34:57,926 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-05-04 05:34:57,926 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2023-05-04 05:34:57,926 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> 3,2 1,1 2,2
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> ALL_READ_WRITE
[2023-05-04 05:34:58,106 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-05-04 05:34:58,124 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-05-04 05:34:58,126 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-05-04 05:34:58,127 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-05-04 05:34:58,128 INFO  L275        PluginConnector]: CDTParser initialized
[2023-05-04 05:34:58,129 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i
[2023-05-04 05:34:58,186 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12993df82/ee9116317e7a4ce6a5b7dc490872dab8/FLAGeb069b41c
[2023-05-04 05:34:58,669 INFO  L306              CDTParser]: Found 1 translation units.
[2023-05-04 05:34:58,670 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/28-race_reach_94-alloc_region_racing.i
[2023-05-04 05:34:58,694 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12993df82/ee9116317e7a4ce6a5b7dc490872dab8/FLAGeb069b41c
[2023-05-04 05:34:59,202 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/12993df82/ee9116317e7a4ce6a5b7dc490872dab8
[2023-05-04 05:34:59,204 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-05-04 05:34:59,205 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-05-04 05:34:59,207 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-05-04 05:34:59,208 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-05-04 05:34:59,210 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-05-04 05:34:59,210 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 05:34:59" (1/1) ...
[2023-05-04 05:34:59,211 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a053ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:34:59, skipping insertion in model container
[2023-05-04 05:34:59,211 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 05:34:59" (1/1) ...
[2023-05-04 05:34:59,216 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-05-04 05:34:59,273 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-05-04 05:34:59,622 WARN  L230   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]
[2023-05-04 05:34:59,647 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-05-04 05:34:59,657 INFO  L203         MainTranslator]: Completed pre-run
[2023-05-04 05:34:59,684 WARN  L230   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]
[2023-05-04 05:34:59,694 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-05-04 05:34:59,745 INFO  L208         MainTranslator]: Completed translation
[2023-05-04 05:34:59,746 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:34:59 WrapperNode
[2023-05-04 05:34:59,746 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-05-04 05:34:59,747 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-05-04 05:34:59,747 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-05-04 05:34:59,747 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2023-05-04 05:34:59,752 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:34:59" (1/1) ...
[2023-05-04 05:34:59,772 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:34:59" (1/1) ...
[2023-05-04 05:34:59,795 INFO  L138                Inliner]: procedures = 377, calls = 72, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 236
[2023-05-04 05:34:59,795 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-05-04 05:34:59,796 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-05-04 05:34:59,796 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-05-04 05:34:59,796 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-05-04 05:34:59,802 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:34:59" (1/1) ...
[2023-05-04 05:34:59,802 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:34:59" (1/1) ...
[2023-05-04 05:34:59,805 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:34:59" (1/1) ...
[2023-05-04 05:34:59,805 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:34:59" (1/1) ...
[2023-05-04 05:34:59,812 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:34:59" (1/1) ...
[2023-05-04 05:34:59,821 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:34:59" (1/1) ...
[2023-05-04 05:34:59,823 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:34:59" (1/1) ...
[2023-05-04 05:34:59,824 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:34:59" (1/1) ...
[2023-05-04 05:34:59,827 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-05-04 05:34:59,828 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-05-04 05:34:59,828 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-05-04 05:34:59,828 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-05-04 05:34:59,828 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:34:59" (1/1) ...
[2023-05-04 05:34:59,832 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-05-04 05:34:59,842 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 05:34:59,852 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 05:34:59,868 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 05:34:59,879 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-05-04 05:34:59,879 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$
[2023-05-04 05:34:59,880 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-05-04 05:34:59,880 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$
[2023-05-04 05:34:59,880 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-05-04 05:34:59,880 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-05-04 05:34:59,880 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2023-05-04 05:34:59,880 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2023-05-04 05:34:59,880 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-05-04 05:34:59,881 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-05-04 05:34:59,881 INFO  L130     BoogieDeclarations]: Found specification of procedure t_fun
[2023-05-04 05:34:59,881 INFO  L138     BoogieDeclarations]: Found implementation of procedure t_fun
[2023-05-04 05:34:59,881 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-05-04 05:34:59,881 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-05-04 05:34:59,881 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-05-04 05:34:59,882 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 05:34:59,994 INFO  L235             CfgBuilder]: Building ICFG
[2023-05-04 05:34:59,996 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-05-04 05:35:00,262 INFO  L276             CfgBuilder]: Performing block encoding
[2023-05-04 05:35:00,272 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-05-04 05:35:00,272 INFO  L300             CfgBuilder]: Removed 23 assume(true) statements.
[2023-05-04 05:35:00,274 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:35:00 BoogieIcfgContainer
[2023-05-04 05:35:00,274 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-05-04 05:35:00,275 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-05-04 05:35:00,276 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-05-04 05:35:00,278 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-05-04 05:35:00,278 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 05:34:59" (1/3) ...
[2023-05-04 05:35:00,279 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@390430fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 05:35:00, skipping insertion in model container
[2023-05-04 05:35:00,279 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 05:34:59" (2/3) ...
[2023-05-04 05:35:00,279 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@390430fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 05:35:00, skipping insertion in model container
[2023-05-04 05:35:00,279 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 05:35:00" (3/3) ...
[2023-05-04 05:35:00,280 INFO  L112   eAbstractionObserver]: Analyzing ICFG 28-race_reach_94-alloc_region_racing.i
[2023-05-04 05:35:00,286 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-05-04 05:35:00,293 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-05-04 05:35:00,293 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2023-05-04 05:35:00,294 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-05-04 05:35:00,377 INFO  L144    ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2023-05-04 05:35:00,418 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-05-04 05:35:00,419 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-05-04 05:35:00,419 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 05:35:00,420 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 05:35:00,427 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 05:35:00,451 INFO  L162   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-05-04 05:35:00,480 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == t_funThread1of1ForFork0 ========
[2023-05-04 05:35:00,491 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;@dd54a96, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-05-04 05:35:00,492 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-05-04 05:35:02,921 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 05:35:02,925 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 05:35:02,925 INFO  L85        PathProgramCache]: Analyzing trace with hash 1703791626, now seen corresponding path program 1 times
[2023-05-04 05:35:02,931 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 05:35:02,931 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [504310492]
[2023-05-04 05:35:02,932 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 05:35:02,932 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 05:35:03,084 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 05:35:03,271 INFO  L134       CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked.
[2023-05-04 05:35:03,272 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 05:35:03,273 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [504310492]
[2023-05-04 05:35:03,274 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [504310492] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 05:35:03,274 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-05-04 05:35:03,274 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-05-04 05:35:03,275 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245217144]
[2023-05-04 05:35:03,275 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 05:35:03,281 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-05-04 05:35:03,282 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 05:35:03,300 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-05-04 05:35:03,302 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-05-04 05:35:03,303 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 05:35:03,303 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 05:35:03,304 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 83.0) internal successors, (166), 2 states have internal predecessors, (166), 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 05:35:03,304 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 05:35:17,183 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 05:35:17,184 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-05-04 05:35:17,184 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 05:35:17,184 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 05:35:17,185 INFO  L85        PathProgramCache]: Analyzing trace with hash 245104295, now seen corresponding path program 1 times
[2023-05-04 05:35:17,185 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 05:35:17,185 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849446193]
[2023-05-04 05:35:17,185 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 05:35:17,185 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 05:35:17,232 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 05:35:17,417 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-05-04 05:35:17,418 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 05:35:17,418 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849446193]
[2023-05-04 05:35:17,418 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849446193] provided 0 perfect and 1 imperfect interpolant sequences
[2023-05-04 05:35:17,418 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1060982634]
[2023-05-04 05:35:17,418 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 05:35:17,418 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2023-05-04 05:35:17,418 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 05:35:17,420 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2023-05-04 05:35:17,421 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2023-05-04 05:35:17,625 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 05:35:17,628 INFO  L263         TraceCheckSpWp]: Trace formula consists of 505 conjuncts, 4 conjunts are in the unsatisfiable core
[2023-05-04 05:35:17,637 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2023-05-04 05:35:17,706 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-05-04 05:35:17,707 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2023-05-04 05:35:17,761 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-05-04 05:35:17,761 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1060982634] provided 0 perfect and 2 imperfect interpolant sequences
[2023-05-04 05:35:17,761 INFO  L184   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2023-05-04 05:35:17,762 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10
[2023-05-04 05:35:17,762 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19668967]
[2023-05-04 05:35:17,762 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2023-05-04 05:35:17,764 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 10 states
[2023-05-04 05:35:17,764 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 05:35:17,764 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants.
[2023-05-04 05:35:17,765 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90
[2023-05-04 05:35:17,765 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 05:35:17,766 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 05:35:17,767 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 10 states, 10 states have (on average 16.6) internal successors, (166), 10 states have internal predecessors, (166), 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 05:35:17,767 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 05:35:17,767 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 05:35:24,288 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 05:35:24,290 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2023-05-04 05:35:24,309 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2023-05-04 05:35:24,501 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1
[2023-05-04 05:35:24,501 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 05:35:24,502 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 05:35:24,502 INFO  L85        PathProgramCache]: Analyzing trace with hash -1588759869, now seen corresponding path program 1 times
[2023-05-04 05:35:24,502 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 05:35:24,502 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123387028]
[2023-05-04 05:35:24,502 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 05:35:24,502 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 05:35:24,664 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-05-04 05:35:24,667 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-05-04 05:35:24,722 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-05-04 05:35:24,757 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-05-04 05:35:24,757 INFO  L359         BasicCegarLoop]: Counterexample is feasible
[2023-05-04 05:35:24,758 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-05-04 05:35:24,759 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-05-04 05:35:24,770 INFO  L444         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2023-05-04 05:35:24,772 INFO  L307   ceAbstractionStarter]: Result for error location t_funThread1of1ForFork0 was UNSAFE (1/2)
[2023-05-04 05:35:24,774 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-05-04 05:35:24,774 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-05-04 05:35:24,836 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 05:35:24 BasicIcfg
[2023-05-04 05:35:24,836 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-05-04 05:35:24,836 INFO  L158              Benchmark]: Toolchain (without parser) took 25631.77ms. Allocated memory was 196.1MB in the beginning and 261.1MB in the end (delta: 65.0MB). Free memory was 137.1MB in the beginning and 180.6MB in the end (delta: -43.5MB). Peak memory consumption was 21.3MB. Max. memory is 8.0GB.
[2023-05-04 05:35:24,836 INFO  L158              Benchmark]: CDTParser took 0.11ms. Allocated memory is still 196.1MB. Free memory is still 156.9MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-05-04 05:35:24,837 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 538.79ms. Allocated memory was 196.1MB in the beginning and 261.1MB in the end (delta: 65.0MB). Free memory was 137.0MB in the beginning and 205.3MB in the end (delta: -68.3MB). Peak memory consumption was 9.8MB. Max. memory is 8.0GB.
[2023-05-04 05:35:24,837 INFO  L158              Benchmark]: Boogie Procedure Inliner took 48.28ms. Allocated memory is still 261.1MB. Free memory was 204.7MB in the beginning and 201.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
[2023-05-04 05:35:24,837 INFO  L158              Benchmark]: Boogie Preprocessor took 31.34ms. Allocated memory is still 261.1MB. Free memory was 201.6MB in the beginning and 199.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
[2023-05-04 05:35:24,837 INFO  L158              Benchmark]: RCFGBuilder took 446.55ms. Allocated memory is still 261.1MB. Free memory was 199.0MB in the beginning and 174.3MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB.
[2023-05-04 05:35:24,838 INFO  L158              Benchmark]: TraceAbstraction took 24560.47ms. Allocated memory is still 261.1MB. Free memory was 173.3MB in the beginning and 180.6MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 8.0GB.
[2023-05-04 05:35:24,839 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.11ms. Allocated memory is still 196.1MB. Free memory is still 156.9MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 538.79ms. Allocated memory was 196.1MB in the beginning and 261.1MB in the end (delta: 65.0MB). Free memory was 137.0MB in the beginning and 205.3MB in the end (delta: -68.3MB). Peak memory consumption was 9.8MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 48.28ms. Allocated memory is still 261.1MB. Free memory was 204.7MB in the beginning and 201.6MB in the end (delta: 3.1MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 31.34ms. Allocated memory is still 261.1MB. Free memory was 201.6MB in the beginning and 199.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB.
 * RCFGBuilder took 446.55ms. Allocated memory is still 261.1MB. Free memory was 199.0MB in the beginning and 174.3MB in the end (delta: 24.6MB). Peak memory consumption was 25.2MB. Max. memory is 8.0GB.
 * TraceAbstraction took 24560.47ms. Allocated memory is still 261.1MB. Free memory was 173.3MB in the beginning and 180.6MB in the end (delta: -7.3MB). There was no memory consumed. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28754, independent: 26343, independent conditional: 3763, independent unconditional: 22580, dependent: 2380, dependent conditional: 2272, dependent unconditional: 108, unknown: 31, unknown conditional: 13, unknown unconditional: 18] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26566, independent: 26343, independent conditional: 3763, independent unconditional: 22580, dependent: 192, dependent conditional: 84, dependent unconditional: 108, unknown: 31, unknown conditional: 13, unknown unconditional: 18] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 26566, independent: 26343, independent conditional: 3763, independent unconditional: 22580, dependent: 192, dependent conditional: 84, dependent unconditional: 108, unknown: 31, unknown conditional: 13, unknown unconditional: 18] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26662, independent: 26343, independent conditional: 0, independent unconditional: 26343, dependent: 275, dependent conditional: 83, dependent unconditional: 192, unknown: 44, unknown conditional: 13, unknown unconditional: 31] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26662, independent: 26343, independent conditional: 0, independent unconditional: 26343, dependent: 275, dependent conditional: 0, dependent unconditional: 275, unknown: 44, unknown conditional: 2, unknown unconditional: 42] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26662, independent: 26343, independent conditional: 0, independent unconditional: 26343, dependent: 275, dependent conditional: 0, dependent unconditional: 275, unknown: 44, unknown conditional: 2, unknown unconditional: 42] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11761, independent: 11633, independent conditional: 0, independent unconditional: 11633, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 20, unknown conditional: 2, unknown unconditional: 18] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11761, independent: 11580, independent conditional: 0, independent unconditional: 11580, dependent: 181, dependent conditional: 0, dependent unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 181, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 20, unknown conditional: 2, unknown unconditional: 18] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 181, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 20, unknown conditional: 2, unknown unconditional: 18] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22266, independent: 251, independent conditional: 0, independent unconditional: 251, dependent: 669, dependent conditional: 0, dependent unconditional: 669, unknown: 21346, unknown conditional: 2171, unknown unconditional: 19175] , Protected Queries: 0 ], Cache Queries: [ total: 26662, independent: 14710, independent conditional: 0, independent unconditional: 14710, dependent: 167, dependent conditional: 0, dependent unconditional: 167, unknown: 11785, unknown conditional: 2, unknown unconditional: 11783] , Statistics on independence cache: Total cache size (in pairs): 11741, Positive cache size: 11633, Positive conditional cache size: 0, Positive unconditional cache size: 11633, Negative cache size: 108, Negative conditional cache size: 0, Negative unconditional cache size: 108, Unknown cache size: 20, Unknown conditional cache size: 2, Unknown unconditional cache size: 18, Eliminated conditions: 94, Maximal queried relation: 1, Independence queries for same thread: 2188
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time: 20.3s, Number of persistent set computation: 2065, Number of trivial persistent sets: 1606, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 22706, independent: 22580, independent conditional: 0, independent unconditional: 22580, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 18, unknown conditional: 0, unknown unconditional: 18] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 28754, independent: 26343, independent conditional: 3763, independent unconditional: 22580, dependent: 2380, dependent conditional: 2272, dependent unconditional: 108, unknown: 31, unknown conditional: 13, unknown unconditional: 18] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26566, independent: 26343, independent conditional: 3763, independent unconditional: 22580, dependent: 192, dependent conditional: 84, dependent unconditional: 108, unknown: 31, unknown conditional: 13, unknown unconditional: 18] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 26566, independent: 26343, independent conditional: 3763, independent unconditional: 22580, dependent: 192, dependent conditional: 84, dependent unconditional: 108, unknown: 31, unknown conditional: 13, unknown unconditional: 18] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26662, independent: 26343, independent conditional: 0, independent unconditional: 26343, dependent: 275, dependent conditional: 83, dependent unconditional: 192, unknown: 44, unknown conditional: 13, unknown unconditional: 31] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 26662, independent: 26343, independent conditional: 0, independent unconditional: 26343, dependent: 275, dependent conditional: 0, dependent unconditional: 275, unknown: 44, unknown conditional: 2, unknown unconditional: 42] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 26662, independent: 26343, independent conditional: 0, independent unconditional: 26343, dependent: 275, dependent conditional: 0, dependent unconditional: 275, unknown: 44, unknown conditional: 2, unknown unconditional: 42] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 11761, independent: 11633, independent conditional: 0, independent unconditional: 11633, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 20, unknown conditional: 2, unknown unconditional: 18] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 11761, independent: 11580, independent conditional: 0, independent unconditional: 11580, dependent: 181, dependent conditional: 0, dependent unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 181, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 20, unknown conditional: 2, unknown unconditional: 18] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 181, independent: 53, independent conditional: 0, independent unconditional: 53, dependent: 108, dependent conditional: 0, dependent unconditional: 108, unknown: 20, unknown conditional: 2, unknown unconditional: 18] , SemanticIndependenceRelation.Query Time [ms]: [ total: 22266, independent: 251, independent conditional: 0, independent unconditional: 251, dependent: 669, dependent conditional: 0, dependent unconditional: 669, unknown: 21346, unknown conditional: 2171, unknown unconditional: 19175] , Protected Queries: 0 ], Cache Queries: [ total: 26662, independent: 14710, independent conditional: 0, independent unconditional: 14710, dependent: 167, dependent conditional: 0, dependent unconditional: 167, unknown: 11785, unknown conditional: 2, unknown unconditional: 11783] , Statistics on independence cache: Total cache size (in pairs): 11741, Positive cache size: 11633, Positive conditional cache size: 0, Positive unconditional cache size: 11633, Negative cache size: 108, Negative conditional cache size: 0, Negative unconditional cache size: 108, Unknown cache size: 20, Unknown conditional cache size: 2, Unknown unconditional cache size: 18, Eliminated conditions: 94, Maximal queried relation: 1, Independence queries for same thread: 2188
  - CounterExampleResult [Line: 1235]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L1241-L1244]               0  struct s {
  int datum;
  struct s *next;
} *A;
               VAL             [A={3:0}]
[L1240]                     0  pthread_mutex_t __global_lock = { { 0, 0, 0, 0, 0, { { 0, 0 } } } };
               VAL             [__global_lock={4:0}, A={3:0}]
[L1253]                     0  pthread_mutex_t A_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } };
               VAL             [__global_lock={4:0}, A={3:0}, A_mutex={5:0}]
[L1254]                     0  pthread_mutex_t B_mutex = { { 0, 0, 0, 0, 0, { { 0, 0 } } } };
               VAL             [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}]
[L1267]                     0  struct s *p;
               VAL             [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}]
[L1268]                     0  A = malloc(sizeof(struct s))
               VAL             [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, malloc(sizeof(struct s))={9:0}]
[L1269]        EXPR         0  \read(*A)
               VAL             [\read(*A)={9:0}, __global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}]
[L1269]        CALL         0  init(A,3)
[L1246]                     0  p -> datum = x
               VAL             [\old(x)=3, __global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, p={9:0}, p={9:0}, x=3]
[L1247]                     0  p -> next = ((void *)0)
               VAL             [\old(x)=3, __global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, p={9:0}, p={9:0}, x=3]
[L1269]        RET          0  init(A,3)
[L1270]                     0  pthread_t t_ids[10000];
               VAL             [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, t_ids={15:0}]
[L1270]                     0  int i=0;
               VAL             [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, i=0, t_ids={15:0}]
[L1270]        COND TRUE    0  i<10000
               VAL             [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, i=0, t_ids={15:0}]
[L1270]        FCALL, FORK  0  pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0))
               VAL             [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, i=0, pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0))=10, t_ids={15:0}]
[L1256]                     1  struct s *p = malloc(sizeof(struct s));
               VAL             [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, arg={0:0}, arg={0:0}, B_mutex={6:0}, malloc(sizeof(struct s))={-2:0}, p={-2:0}]
[L1270]                     0  i++
               VAL             [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, i=0, i++=0, t_ids={15:0}]
[L1270]                     0  i++
               VAL             [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, i=1, i++=0, t_ids={15:0}]
[L1257]        CALL         1  init(p,7)
[L1270]        COND TRUE    0  i<10000
               VAL             [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, i=1, t_ids={15:0}]
[L1246]                     1  p -> datum = x
               VAL             [\old(x)=7, \old(x)=3, __global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, p={9:0}, p={9:0}, p={-2:0}, p={-2:0}, x=7, x=3]
[L1247]                     1  p -> next = ((void *)0)
               VAL             [\old(x)=3, \old(x)=7, __global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, p={-2:0}, p={9:0}, p={-2:0}, p={9:0}, x=7, x=3]
[L1270]        FCALL, FORK  0  pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0))
               VAL             [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, i=1, pthread_create(&t_ids[i], ((void *)0), t_fun, ((void *)0))=11, t_ids={15:0}]
[L1257]        RET          1  init(p,7)
[L1259]        CALL         1  insert(p, &A)
[L1250]        EXPR         1  \read(**list)
               VAL             [\read(**list)={9:0}, __global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, list={3:0}, list={3:0}, p={-2:0}, p={-2:0}]
[L1250]                     1  p->next = *list
               VAL             [\read(**list)={9:0}, __global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, list={3:0}, list={3:0}, p={-2:0}, p={-2:0}]
[L1251]                     1  *list = p
               VAL             [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, list={3:0}, list={3:0}, p={-2:0}, p={-2:0}]
[L1259]        RET          1  insert(p, &A)
[L1262]        COND FALSE   1  !(__VERIFIER_nondet_int())
               VAL             [__global_lock={4:0}, __VERIFIER_nondet_int()=0, A={3:0}, A_mutex={5:0}, arg={0:0}, arg={0:0}, B_mutex={6:0}, p={-2:0}]
[L1262]        EXPR         1  p->datum
               VAL             [__global_lock={4:0}, A={3:0}, A_mutex={5:0}, arg={0:0}, arg={0:0}, B_mutex={6:0}, p={-2:0}, p->datum=7]
[L1262]        CALL         1  __VERIFIER_assert((p->datum) == 0)
[L1235]        COND TRUE    1  !(cond)
               VAL             [\old(cond)=0, __global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, cond=0]
[L1235]                     1  reach_error()
               VAL             [\old(cond)=0, __global_lock={4:0}, A={3:0}, A_mutex={5:0}, B_mutex={6:0}, cond=0]

  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: t_funThread1of1ForFork0 with 1 thread instances
    CFG has 3 procedures, 297 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 24.3s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 22.8s, 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: 8, 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, 0.5s InterpolantComputationTime, 539 NumberOfCodeBlocks, 539 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 562 ConstructedInterpolants, 0 QuantifiedInterpolants, 670 SizeOfPredicates, 2 NumberOfNonLiveVariables, 505 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 5/8 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 05:35:24,894 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 05:35:25,080 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...