/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE --traceabstraction.maximal.amount.of.steps.the.threads.are.allowed.to.take.successively 1 --traceabstraction.enable.heuristic.with.loops.as.step.type false --traceabstraction.considered.threads.and.their.maximal.amount.of.steps X --traceabstraction.defines.what.statements.are.considered.a.step.in.por LOOP -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/25_stack_longer-1.i


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


This is Ultimate 0.2.2-wip.dk.orders-218013a
[2023-05-04 19:34:34,415 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2023-05-04 19:34:34,416 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
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[2023-05-04 19:34:34,444 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2023-05-04 19:34:34,452 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2023-05-04 19:34:34,465 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
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[2023-05-04 19:34:34,466 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2023-05-04 19:34:34,467 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2023-05-04 19:34:34,467 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2023-05-04 19:34:34,468 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2023-05-04 19:34:34,468 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2023-05-04 19:34:34,469 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2023-05-04 19:34:34,470 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2023-05-04 19:34:34,471 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2023-05-04 19:34:34,472 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2023-05-04 19:34:34,472 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2023-05-04 19:34:34,474 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2023-05-04 19:34:34,474 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2023-05-04 19:34:34,476 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2023-05-04 19:34:34,476 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2023-05-04 19:34:34,477 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2023-05-04 19:34:34,477 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
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[2023-05-04 19:34:34,479 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2023-05-04 19:34:34,479 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2023-05-04 19:34:34,480 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder.epf
[2023-05-04 19:34:34,492 INFO  L113        SettingsManager]: Loading preferences was successful
[2023-05-04 19:34:34,492 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2023-05-04 19:34:34,492 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2023-05-04 19:34:34,492 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2023-05-04 19:34:34,493 INFO  L136        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-05-04 19:34:34,493 INFO  L138        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-05-04 19:34:34,493 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-05-04 19:34:34,493 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2023-05-04 19:34:34,493 INFO  L138        SettingsManager]:  * Use SBE=true
[2023-05-04 19:34:34,493 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-05-04 19:34:34,494 INFO  L138        SettingsManager]:  * sizeof long=4
[2023-05-04 19:34:34,494 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-05-04 19:34:34,494 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2023-05-04 19:34:34,494 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2023-05-04 19:34:34,494 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-05-04 19:34:34,494 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-05-04 19:34:34,494 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-05-04 19:34:34,494 INFO  L138        SettingsManager]:  * sizeof long double=12
[2023-05-04 19:34:34,494 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2023-05-04 19:34:34,494 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2023-05-04 19:34:34,495 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-05-04 19:34:34,495 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-05-04 19:34:34,495 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-05-04 19:34:34,504 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2023-05-04 19:34:34,505 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-05-04 19:34:34,505 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-05-04 19:34:34,505 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-05-04 19:34:34,505 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-05-04 19:34:34,505 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-05-04 19:34:34,505 INFO  L138        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2023-05-04 19:34:34,505 INFO  L138        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2023-05-04 19:34:34,505 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-05-04 19:34:34,505 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-05-04 19:34:34,505 INFO  L138        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2023-05-04 19:34:34,506 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2023-05-04 19:34:34,506 INFO  L138        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2023-05-04 19:34:34,506 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Maximal amount of steps the threads are allowed to take successively -> 1
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Enable heuristic with loops as step type -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Considered threads and their maximal amount of steps -> X
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Defines what statements are considered a step in POR -> LOOP
[2023-05-04 19:34:34,666 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-05-04 19:34:34,680 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-05-04 19:34:34,681 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-05-04 19:34:34,682 INFO  L271        PluginConnector]: Initializing CDTParser...
[2023-05-04 19:34:34,682 INFO  L275        PluginConnector]: CDTParser initialized
[2023-05-04 19:34:34,683 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/25_stack_longer-1.i
[2023-05-04 19:34:34,723 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bab8161c1/93dd946152854581b388e3c32edc25c4/FLAG9a4051416
[2023-05-04 19:34:35,106 INFO  L306              CDTParser]: Found 1 translation units.
[2023-05-04 19:34:35,107 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/25_stack_longer-1.i
[2023-05-04 19:34:35,114 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bab8161c1/93dd946152854581b388e3c32edc25c4/FLAG9a4051416
[2023-05-04 19:34:35,123 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bab8161c1/93dd946152854581b388e3c32edc25c4
[2023-05-04 19:34:35,124 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-05-04 19:34:35,125 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-05-04 19:34:35,126 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-05-04 19:34:35,126 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-05-04 19:34:35,128 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-05-04 19:34:35,129 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:34:35" (1/1) ...
[2023-05-04 19:34:35,129 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15499dec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:34:35, skipping insertion in model container
[2023-05-04 19:34:35,129 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.05 07:34:35" (1/1) ...
[2023-05-04 19:34:35,133 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2023-05-04 19:34:35,154 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2023-05-04 19:34:35,388 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/25_stack_longer-1.i[31182,31195]
[2023-05-04 19:34:35,400 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-05-04 19:34:35,406 INFO  L203         MainTranslator]: Completed pre-run
[2023-05-04 19:34:35,451 WARN  L230   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/25_stack_longer-1.i[31182,31195]
[2023-05-04 19:34:35,454 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2023-05-04 19:34:35,479 INFO  L208         MainTranslator]: Completed translation
[2023-05-04 19:34:35,479 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:34:35 WrapperNode
[2023-05-04 19:34:35,479 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-05-04 19:34:35,480 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-05-04 19:34:35,480 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-05-04 19:34:35,481 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2023-05-04 19:34:35,485 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:34:35" (1/1) ...
[2023-05-04 19:34:35,508 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:34:35" (1/1) ...
[2023-05-04 19:34:35,530 INFO  L138                Inliner]: procedures = 179, calls = 36, calls flagged for inlining = 18, calls inlined = 22, statements flattened = 174
[2023-05-04 19:34:35,531 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-05-04 19:34:35,531 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-05-04 19:34:35,531 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2023-05-04 19:34:35,531 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2023-05-04 19:34:35,537 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:34:35" (1/1) ...
[2023-05-04 19:34:35,537 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:34:35" (1/1) ...
[2023-05-04 19:34:35,550 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:34:35" (1/1) ...
[2023-05-04 19:34:35,550 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:34:35" (1/1) ...
[2023-05-04 19:34:35,553 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:34:35" (1/1) ...
[2023-05-04 19:34:35,555 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:34:35" (1/1) ...
[2023-05-04 19:34:35,556 INFO  L185        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:34:35" (1/1) ...
[2023-05-04 19:34:35,557 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:34:35" (1/1) ...
[2023-05-04 19:34:35,559 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-05-04 19:34:35,560 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-05-04 19:34:35,560 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2023-05-04 19:34:35,560 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2023-05-04 19:34:35,569 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:34:35" (1/1) ...
[2023-05-04 19:34:35,572 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-05-04 19:34:35,582 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 19:34:35,590 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 19:34:35,595 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 19:34:35,620 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-05-04 19:34:35,620 INFO  L130     BoogieDeclarations]: Found specification of procedure thr1
[2023-05-04 19:34:35,620 INFO  L138     BoogieDeclarations]: Found implementation of procedure thr1
[2023-05-04 19:34:35,620 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-05-04 19:34:35,620 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-05-04 19:34:35,620 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-05-04 19:34:35,620 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-05-04 19:34:35,620 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-05-04 19:34:35,620 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-05-04 19:34:35,620 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-05-04 19:34:35,621 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-05-04 19:34:35,621 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-05-04 19:34:35,621 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 19:34:35,765 INFO  L235             CfgBuilder]: Building ICFG
[2023-05-04 19:34:35,767 INFO  L261             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-05-04 19:34:35,972 INFO  L276             CfgBuilder]: Performing block encoding
[2023-05-04 19:34:36,100 INFO  L295             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-05-04 19:34:36,100 INFO  L300             CfgBuilder]: Removed 2 assume(true) statements.
[2023-05-04 19:34:36,102 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:34:36 BoogieIcfgContainer
[2023-05-04 19:34:36,102 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-05-04 19:34:36,104 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-05-04 19:34:36,104 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2023-05-04 19:34:36,106 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2023-05-04 19:34:36,107 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.05 07:34:35" (1/3) ...
[2023-05-04 19:34:36,107 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b36c6f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:34:36, skipping insertion in model container
[2023-05-04 19:34:36,107 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.05 07:34:35" (2/3) ...
[2023-05-04 19:34:36,108 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5b36c6f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.05 07:34:36, skipping insertion in model container
[2023-05-04 19:34:36,108 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.05 07:34:36" (3/3) ...
[2023-05-04 19:34:36,113 INFO  L112   eAbstractionObserver]: Analyzing ICFG 25_stack_longer-1.i
[2023-05-04 19:34:36,122 WARN  L145   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2023-05-04 19:34:36,129 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-05-04 19:34:36,129 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2023-05-04 19:34:36,130 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-05-04 19:34:36,182 INFO  L144    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2023-05-04 19:34:36,210 INFO  L100   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-05-04 19:34:36,210 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2023-05-04 19:34:36,210 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-05-04 19:34:36,212 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 19:34:36,233 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 19:34:36,258 INFO  L162   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2023-05-04 19:34:36,280 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ========
[2023-05-04 19:34:36,286 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;@64b4ea2b, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2023-05-04 19:34:36,287 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 1 error locations.
[2023-05-04 19:34:36,516 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 19:34:36,521 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 19:34:36,521 INFO  L85        PathProgramCache]: Analyzing trace with hash 1281308666, now seen corresponding path program 1 times
[2023-05-04 19:34:36,526 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 19:34:36,526 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1793675122]
[2023-05-04 19:34:36,527 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 19:34:36,527 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 19:34:36,639 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 19:34:36,827 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-05-04 19:34:36,828 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 19:34:36,828 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1793675122]
[2023-05-04 19:34:36,829 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1793675122] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 19:34:36,829 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-05-04 19:34:36,829 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-05-04 19:34:36,830 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [755288484]
[2023-05-04 19:34:36,830 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 19:34:36,836 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-05-04 19:34:36,836 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 19:34:36,848 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-05-04 19:34:36,849 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-05-04 19:34:36,859 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 19:34:36,859 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 19:34:36,861 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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 19:34:36,862 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 19:34:36,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 19:34:36,907 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-05-04 19:34:36,907 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 19:34:36,908 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 19:34:36,908 INFO  L85        PathProgramCache]: Analyzing trace with hash 2075680505, now seen corresponding path program 1 times
[2023-05-04 19:34:36,908 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 19:34:36,908 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681267844]
[2023-05-04 19:34:36,908 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 19:34:36,908 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 19:34:36,967 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-05-04 19:34:37,145 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-05-04 19:34:37,145 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-05-04 19:34:37,146 INFO  L333   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [681267844]
[2023-05-04 19:34:37,146 INFO  L157   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [681267844] provided 1 perfect and 0 imperfect interpolant sequences
[2023-05-04 19:34:37,146 INFO  L184   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-05-04 19:34:37,146 INFO  L197   FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2023-05-04 19:34:37,146 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896439011]
[2023-05-04 19:34:37,146 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-05-04 19:34:37,148 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2023-05-04 19:34:37,149 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-05-04 19:34:37,149 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2023-05-04 19:34:37,149 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2023-05-04 19:34:37,150 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 19:34:37,150 INFO  L495      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2023-05-04 19:34:37,150 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 11.142857142857142) internal successors, (78), 7 states have internal predecessors, (78), 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 19:34:37,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 19:34:37,150 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2023-05-04 19:34:37,295 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-05-04 19:34:37,295 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. 
[2023-05-04 19:34:37,296 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-05-04 19:34:37,296 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] ===
[2023-05-04 19:34:37,297 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2023-05-04 19:34:37,297 INFO  L85        PathProgramCache]: Analyzing trace with hash -781804992, now seen corresponding path program 1 times
[2023-05-04 19:34:37,297 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-05-04 19:34:37,298 INFO  L333   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [298555158]
[2023-05-04 19:34:37,298 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-05-04 19:34:37,298 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-05-04 19:34:37,345 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-05-04 19:34:37,345 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-05-04 19:34:37,361 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-05-04 19:34:37,384 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-05-04 19:34:37,385 INFO  L359         BasicCegarLoop]: Counterexample is feasible
[2023-05-04 19:34:37,386 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining)
[2023-05-04 19:34:37,387 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-05-04 19:34:37,394 INFO  L444         BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2023-05-04 19:34:37,395 INFO  L307   ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was UNSAFE (1/2)
[2023-05-04 19:34:37,398 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-05-04 19:34:37,398 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-05-04 19:34:37,467 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.05 07:34:37 BasicIcfg
[2023-05-04 19:34:37,467 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-05-04 19:34:37,467 INFO  L158              Benchmark]: Toolchain (without parser) took 2342.13ms. Allocated memory was 201.3MB in the beginning and 270.5MB in the end (delta: 69.2MB). Free memory was 144.6MB in the beginning and 172.4MB in the end (delta: -27.8MB). Peak memory consumption was 40.8MB. Max. memory is 8.0GB.
[2023-05-04 19:34:37,468 INFO  L158              Benchmark]: CDTParser took 0.10ms. Allocated memory is still 201.3MB. Free memory is still 162.9MB. There was no memory consumed. Max. memory is 8.0GB.
[2023-05-04 19:34:37,469 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 353.37ms. Allocated memory was 201.3MB in the beginning and 270.5MB in the end (delta: 69.2MB). Free memory was 144.3MB in the beginning and 234.2MB in the end (delta: -90.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
[2023-05-04 19:34:37,469 INFO  L158              Benchmark]: Boogie Procedure Inliner took 50.28ms. Allocated memory is still 270.5MB. Free memory was 234.2MB in the beginning and 231.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
[2023-05-04 19:34:37,470 INFO  L158              Benchmark]: Boogie Preprocessor took 27.91ms. Allocated memory is still 270.5MB. Free memory was 231.6MB in the beginning and 230.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
[2023-05-04 19:34:37,470 INFO  L158              Benchmark]: RCFGBuilder took 542.43ms. Allocated memory is still 270.5MB. Free memory was 230.1MB in the beginning and 192.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB.
[2023-05-04 19:34:37,473 INFO  L158              Benchmark]: TraceAbstraction took 1363.20ms. Allocated memory is still 270.5MB. Free memory was 191.3MB in the beginning and 172.4MB in the end (delta: 18.8MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB.
[2023-05-04 19:34:37,474 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.10ms. Allocated memory is still 201.3MB. Free memory is still 162.9MB. There was no memory consumed. Max. memory is 8.0GB.
 * CACSL2BoogieTranslator took 353.37ms. Allocated memory was 201.3MB in the beginning and 270.5MB in the end (delta: 69.2MB). Free memory was 144.3MB in the beginning and 234.2MB in the end (delta: -90.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB.
 * Boogie Procedure Inliner took 50.28ms. Allocated memory is still 270.5MB. Free memory was 234.2MB in the beginning and 231.6MB in the end (delta: 2.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB.
 * Boogie Preprocessor took 27.91ms. Allocated memory is still 270.5MB. Free memory was 231.6MB in the beginning and 230.1MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB.
 * RCFGBuilder took 542.43ms. Allocated memory is still 270.5MB. Free memory was 230.1MB in the beginning and 192.3MB in the end (delta: 37.7MB). Peak memory consumption was 37.7MB. Max. memory is 8.0GB.
 * TraceAbstraction took 1363.20ms. Allocated memory is still 270.5MB. Free memory was 191.3MB in the beginning and 172.4MB in the end (delta: 18.8MB). Peak memory consumption was 19.9MB. Max. memory is 8.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResult: Unfinished Backtranslation
    The program execution was not completely translated back.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: Independence relation #1 benchmarks
    ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2065, independent: 1751, independent conditional: 418, independent unconditional: 1333, dependent: 314, dependent conditional: 297, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1768, independent: 1751, independent conditional: 418, independent unconditional: 1333, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1768, independent: 1751, independent conditional: 418, independent unconditional: 1333, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1768, independent: 1751, independent conditional: 0, independent unconditional: 1751, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1768, independent: 1751, independent conditional: 0, independent unconditional: 1751, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1768, independent: 1751, independent conditional: 0, independent unconditional: 1751, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1194, independent: 1177, independent conditional: 0, independent unconditional: 1177, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1194, independent: 1156, independent conditional: 0, independent unconditional: 1156, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 38, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 135, independent: 82, independent conditional: 0, independent unconditional: 82, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1768, independent: 574, independent conditional: 0, independent unconditional: 574, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1194, unknown conditional: 0, unknown unconditional: 1194] , Statistics on independence cache: Total cache size (in pairs): 1194, Positive cache size: 1177, Positive conditional cache size: 0, Positive unconditional cache size: 1177, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 297
  - StatisticsResult: Persistent set benchmarks
    Persistent set computation time: 0.2s, Number of persistent set computation: 96, Number of trivial persistent sets: 52, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1350, independent: 1333, independent conditional: 0, independent unconditional: 1333, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2065, independent: 1751, independent conditional: 418, independent unconditional: 1333, dependent: 314, dependent conditional: 297, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1768, independent: 1751, independent conditional: 418, independent unconditional: 1333, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1768, independent: 1751, independent conditional: 418, independent unconditional: 1333, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1768, independent: 1751, independent conditional: 0, independent unconditional: 1751, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1768, independent: 1751, independent conditional: 0, independent unconditional: 1751, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1768, independent: 1751, independent conditional: 0, independent unconditional: 1751, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1194, independent: 1177, independent conditional: 0, independent unconditional: 1177, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1194, independent: 1156, independent conditional: 0, independent unconditional: 1156, dependent: 38, dependent conditional: 0, dependent unconditional: 38, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 38, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 38, independent: 21, independent conditional: 0, independent unconditional: 21, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 135, independent: 82, independent conditional: 0, independent unconditional: 82, dependent: 53, dependent conditional: 0, dependent unconditional: 53, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1768, independent: 574, independent conditional: 0, independent unconditional: 574, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1194, unknown conditional: 0, unknown unconditional: 1194] , Statistics on independence cache: Total cache size (in pairs): 1194, Positive cache size: 1177, Positive conditional cache size: 0, Positive unconditional cache size: 1177, Negative cache size: 17, Negative conditional cache size: 0, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: 0, Independence queries for same thread: 297
  - CounterExampleResult [Line: 749]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L701]               0  int memory[(2*320+1)];
[L704]               0  int top;
        VAL             [top=0]
[L759]               0  int m2 = 0;
        VAL             [m2={3:0}, top=0]
[L702]               0  int next_alloc_idx = 1;
        VAL             [m2={3:0}, next_alloc_idx=1, top=0]
[L760]               0  int state = 0;
        VAL             [m2={3:0}, next_alloc_idx=1, state=0, top=0]
[L703]               0  int m = 0;
        VAL             [m={4:0}, m2={3:0}, next_alloc_idx=1, state=0, top=0]
[L778]               0  pthread_t t;
        VAL             [m={4:0}, m2={3:0}, next_alloc_idx=1, state=0, t={5:0}, top=0]
[L779]  COND TRUE    0  1
        VAL             [m={4:0}, m2={3:0}, next_alloc_idx=1, state=0, t={5:0}, top=0]
[L779]  FCALL, FORK  0  pthread_create(&t, 0, thr1, 0)
        VAL             [m={4:0}, m2={3:0}, next_alloc_idx=1, pthread_create(&t, 0, thr1, 0)=-1, state=0, t={5:0}, top=0]
[L763]  CALL         1  __VERIFIER_atomic_acquire(&m2)
[L693]  EXPR         1  \read(*m)
[L693]  CALL         1  assume_abort_if_not(*m==0)
[L4]    COND FALSE   1  !(!cond)
[L693]  RET          1  assume_abort_if_not(*m==0)
[L694]               1  *m = 1
[L763]  RET          1  __VERIFIER_atomic_acquire(&m2)
[L766]               1  case 0:
        VAL             [arg={0:0}, arg={0:0}, m={4:0}, m2={3:0}, next_alloc_idx=1, state=0, top=0]
[L767]  CALL         1  EBStack_init()
[L719]               1  top = 0
        VAL             [m={4:0}, m2={3:0}, next_alloc_idx=1, state=0, top=0]
[L767]  RET          1  EBStack_init()
[L768]               1  state = 1
        VAL             [arg={0:0}, arg={0:0}, m={4:0}, m2={3:0}, next_alloc_idx=1, state=1, top=0]
[L769]               1  case 1:
        VAL             [arg={0:0}, arg={0:0}, m={4:0}, m2={3:0}, next_alloc_idx=1, state=1, top=0]
[L770]  CALL         1  __VERIFIER_atomic_release(&m2)
[L698]  EXPR         1  \read(*m)
[L698]  CALL         1  assume_abort_if_not(*m==1)
[L4]    COND FALSE   1  !(!cond)
[L698]  RET          1  assume_abort_if_not(*m==1)
[L699]               1  *m = 0
[L770]  RET          1  __VERIFIER_atomic_release(&m2)
[L771]  CALL         1  push_loop()
[L752]               1  int r = -1;
        VAL             [m={4:0}, m2={3:0}, next_alloc_idx=1, r=-1, state=1, top=0]
[L753]               1  int arg = __VERIFIER_nondet_int();
        VAL             [__VERIFIER_nondet_int()=0, arg=0, m={4:0}, m2={3:0}, next_alloc_idx=1, r=-1, state=1, top=0]
[L754]  COND TRUE    1  1
        VAL             [arg=0, m={4:0}, m2={3:0}, next_alloc_idx=1, r=-1, state=1, top=0]
[L755]  CALL, EXPR   1  push(arg)
[L728]               1  int oldTop = -1, newTop = -1;
        VAL             [\old(d)=0, d=0, m={4:0}, m2={3:0}, newTop=-1, next_alloc_idx=1, oldTop=-1, state=1, top=0]
[L729]  CALL, EXPR   1  index_malloc()
[L706]               1  int curr_alloc_idx = -1;
        VAL             [curr_alloc_idx=-1, m={4:0}, m2={3:0}, next_alloc_idx=1, state=1, top=0]
[L707]  CALL         1  __VERIFIER_atomic_acquire(&m)
[L693]  EXPR         1  \read(*m)
[L693]  CALL         1  assume_abort_if_not(*m==0)
[L4]    COND FALSE   1  !(!cond)
[L693]  RET          1  assume_abort_if_not(*m==0)
[L694]               1  *m = 1
[L707]  RET          1  __VERIFIER_atomic_acquire(&m)
[L708]  COND FALSE   1  !(next_alloc_idx+2-1 > (2*320+1))
        VAL             [curr_alloc_idx=-1, m={4:0}, m2={3:0}, next_alloc_idx=1, state=1, top=0]
[L712]               1  curr_alloc_idx = next_alloc_idx
        VAL             [curr_alloc_idx=1, m={4:0}, m2={3:0}, next_alloc_idx=1, state=1, top=0]
[L713]               1  next_alloc_idx += 2
        VAL             [curr_alloc_idx=1, m={4:0}, m2={3:0}, next_alloc_idx=3, state=1, top=0]
[L714]  CALL         1  __VERIFIER_atomic_release(&m)
[L698]  EXPR         1  \read(*m)
[L698]  CALL         1  assume_abort_if_not(*m==1)
[L4]    COND FALSE   1  !(!cond)
[L698]  RET          1  assume_abort_if_not(*m==1)
[L699]               1  *m = 0
[L714]  RET          1  __VERIFIER_atomic_release(&m)
[L716]               1  return curr_alloc_idx;
        VAL             [\result=1, curr_alloc_idx=1, m={4:0}, m2={3:0}, next_alloc_idx=3, state=1, top=0]
[L729]  RET, EXPR    1  index_malloc()
[L729]               1  newTop = index_malloc()
        VAL             [\old(d)=0, d=0, index_malloc()=1, m={4:0}, m2={3:0}, newTop=1, next_alloc_idx=3, oldTop=-1, state=1, top=0]
[L730]  COND FALSE   1  !(newTop == 0)
        VAL             [\old(d)=0, d=0, m={4:0}, m2={3:0}, newTop=1, next_alloc_idx=3, oldTop=-1, state=1, top=0]
[L733]               1  memory[newTop+0] = d
        VAL             [\old(d)=0, d=0, m={4:0}, m2={3:0}, newTop=1, next_alloc_idx=3, oldTop=-1, state=1, top=0]
[L734]  CALL         1  __VERIFIER_atomic_acquire(&m)
[L693]  EXPR         1  \read(*m)
[L693]  CALL         1  assume_abort_if_not(*m==0)
[L4]    COND FALSE   1  !(!cond)
[L693]  RET          1  assume_abort_if_not(*m==0)
[L694]               1  *m = 1
[L734]  RET          1  __VERIFIER_atomic_acquire(&m)
[L735]               1  oldTop = top
        VAL             [\old(d)=0, d=0, m={4:0}, m2={3:0}, newTop=1, next_alloc_idx=3, oldTop=0, state=1, top=0]
[L736]               1  memory[newTop+1] = oldTop
        VAL             [\old(d)=0, d=0, m={4:0}, m2={3:0}, newTop=1, next_alloc_idx=3, oldTop=0, state=1, top=0]
[L738]               1  top = newTop
        VAL             [\old(d)=0, d=0, m={4:0}, m2={3:0}, newTop=1, next_alloc_idx=3, oldTop=0, state=1, top=1]
[L740]  CALL         1  __VERIFIER_atomic_release(&m)
[L698]  EXPR         1  \read(*m)
[L698]  CALL         1  assume_abort_if_not(*m==1)
[L4]    COND FALSE   1  !(!cond)
[L698]  RET          1  assume_abort_if_not(*m==1)
[L699]               1  *m = 0
[L740]  RET          1  __VERIFIER_atomic_release(&m)
[L741]               1  return 1;
        VAL             [\old(d)=0, \result=1, d=0, m={4:0}, m2={3:0}, newTop=1, next_alloc_idx=3, oldTop=0, state=1, top=1]
[L755]  RET, EXPR    1  push(arg)
[L755]               1  r = push(arg)
        VAL             [arg=0, m={4:0}, m2={3:0}, next_alloc_idx=3, push(arg)=1, r=1, state=1, top=1]
[L756]  CALL         1  __VERIFIER_atomic_assert(r)
[L749]  EXPR         1  !r || !isEmpty()
[L749]  CALL, EXPR   1  isEmpty()
[L722]  COND FALSE   1  !(top == 0)
[L725]               1  return 0;
[L749]  RET, EXPR    1  isEmpty()
[L749]  EXPR         1  !r || !isEmpty()
[L749]  COND TRUE    1  !(!(!r || !isEmpty()))
[L749]               1  reach_error()
        VAL             [\old(r)=1, m={4:0}, m2={3:0}, next_alloc_idx=3, r=1, state=1, top=1]

  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances
    CFG has 3 procedures, 163 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.4s, 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: 12, 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, 0.4s InterpolantComputationTime, 239 NumberOfCodeBlocks, 239 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 153 ConstructedInterpolants, 0 QuantifiedInterpolants, 361 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2023-05-04 19:34:37,496 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2023-05-04 19:34:37,709 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...