./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/fib_safe-6.i --full-output --witness-type correctness_witness --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false --validate ./goblint.2024-09-02_08-21-23.files/protection-ghost/fib_safe-6.yml/witness.yml --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version e94c40da
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/GemCutterReachWitnessValidation.xml -i ../../../trunk/examples/svcomp/pthread/fib_safe-6.i ./goblint.2024-09-02_08-21-23.files/protection-ghost/fib_safe-6.yml/witness.yml -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --traceabstraction.positions.where.we.compute.the.hoare.annotation None --witnessparser.only.consider.loop.invariants false --cacsl2boogietranslator.check.unreachability.of.reach_error.function false
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-e94c40d-m
[2024-09-23 11:30:08,456 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-09-23 11:30:08,526 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-09-23 11:30:08,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-09-23 11:30:08,531 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-23 11:30:08,548 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-23 11:30:08,550 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-23 11:30:08,550 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-23 11:30:08,551 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-23 11:30:08,552 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-23 11:30:08,552 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-23 11:30:08,553 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-09-23 11:30:08,554 INFO L153 SettingsManager]: * Use SBE=true
[2024-09-23 11:30:08,554 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-23 11:30:08,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-09-23 11:30:08,556 INFO L153 SettingsManager]: * sizeof long=4
[2024-09-23 11:30:08,556 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-09-23 11:30:08,556 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-09-23 11:30:08,556 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-09-23 11:30:08,557 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-09-23 11:30:08,557 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-23 11:30:08,560 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-09-23 11:30:08,561 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-09-23 11:30:08,561 INFO L153 SettingsManager]: * sizeof long double=12
[2024-09-23 11:30:08,561 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-09-23 11:30:08,561 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-09-23 11:30:08,562 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-23 11:30:08,562 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-09-23 11:30:08,562 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-09-23 11:30:08,562 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-09-23 11:30:08,564 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-09-23 11:30:08,565 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-23 11:30:08,565 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-09-23 11:30:08,565 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-23 11:30:08,566 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-09-23 11:30:08,566 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2024-09-23 11:30:08,566 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-23 11:30:08,567 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-23 11:30:08,567 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-09-23 11:30:08,567 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-09-23 11:30:08,567 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-09-23 11:30:08,567 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Positions where we compute the Hoare Annotation -> None
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessparser: Only consider loop invariants -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of reach_error function -> false
[2024-09-23 11:30:08,787 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-23 11:30:08,809 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-23 11:30:08,812 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-23 11:30:08,813 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-09-23 11:30:08,813 INFO L274 PluginConnector]: CDTParser initialized
[2024-09-23 11:30:08,814 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/fib_safe-6.i
[2024-09-23 11:30:10,151 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-09-23 11:30:10,384 INFO L384 CDTParser]: Found 1 translation units.
[2024-09-23 11:30:10,384 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/fib_safe-6.i
[2024-09-23 11:30:10,401 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e030318d0/b5de0ebe670a42ed9987bc3aeaf821b3/FLAG175f3cd3c
[2024-09-23 11:30:10,416 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/e030318d0/b5de0ebe670a42ed9987bc3aeaf821b3
[2024-09-23 11:30:10,420 INFO L270 PluginConnector]: Initializing Witness Parser...
[2024-09-23 11:30:10,420 INFO L274 PluginConnector]: Witness Parser initialized
[2024-09-23 11:30:10,421 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/./goblint.2024-09-02_08-21-23.files/protection-ghost/fib_safe-6.yml/witness.yml
[2024-09-23 11:30:10,500 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-23 11:30:10,501 INFO L133 ToolchainWalker]: Walking toolchain with 5 elements.
[2024-09-23 11:30:10,503 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-23 11:30:10,503 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-23 11:30:10,508 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-23 11:30:10,508 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 11:30:10" (1/2) ...
[2024-09-23 11:30:10,509 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d6084d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:30:10, skipping insertion in model container
[2024-09-23 11:30:10,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.09 11:30:10" (1/2) ...
[2024-09-23 11:30:10,511 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@6448e5f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.09 11:30:10, skipping insertion in model container
[2024-09-23 11:30:10,511 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:30:10" (2/2) ...
[2024-09-23 11:30:10,512 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d6084d8 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:30:10, skipping insertion in model container
[2024-09-23 11:30:10,512 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:30:10" (2/2) ...
[2024-09-23 11:30:10,550 INFO L93 nessWitnessExtractor]: Found the following entries in the witness:
[2024-09-23 11:30:10,551 INFO L1541 ArrayList]: Location invariant before [L722-L722] (((((((! multithreaded || 0 <= x) && (! multithreaded || 0 <= q)) && (! multithreaded || 0 <= next)) && (! multithreaded || 0 <= prev)) && (! multithreaded || 0 <= cur)) && (! multithreaded || 0 <= p)) && (! multithreaded || 1 <= j)) && (! multithreaded || 1 <= i)
[2024-09-23 11:30:10,551 INFO L1541 ArrayList]: Location invariant before [L721-L721] (((((((! multithreaded || 0 <= x) && (! multithreaded || 0 <= q)) && (! multithreaded || 0 <= next)) && (! multithreaded || 0 <= prev)) && (! multithreaded || 0 <= cur)) && (! multithreaded || 0 <= p)) && (! multithreaded || 1 <= j)) && (! multithreaded || 1 <= i)
[2024-09-23 11:30:10,551 INFO L1541 ArrayList]: ghost_variable multithreaded = 0
[2024-09-23 11:30:10,551 INFO L1541 ArrayList]: ghost_update [L720-L720] multithreaded = 1;
[2024-09-23 11:30:10,588 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-09-23 11:30:10,892 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-23 11:30:10,901 INFO L200 MainTranslator]: Completed pre-run
Start Parsing Local
Start Parsing Local
Start Parsing Local
Start Parsing Local
[2024-09-23 11:30:10,982 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-23 11:30:11,010 INFO L204 MainTranslator]: Completed translation
[2024-09-23 11:30:11,010 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:30:11 WrapperNode
[2024-09-23 11:30:11,011 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-23 11:30:11,011 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-09-23 11:30:11,011 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-09-23 11:30:11,011 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-09-23 11:30:11,017 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:30:11" (1/1) ...
[2024-09-23 11:30:11,033 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:30:11" (1/1) ...
[2024-09-23 11:30:11,051 INFO L138 Inliner]: procedures = 164, calls = 21, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75
[2024-09-23 11:30:11,051 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-09-23 11:30:11,052 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-23 11:30:11,052 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-23 11:30:11,052 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-09-23 11:30:11,059 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:30:11" (1/1) ...
[2024-09-23 11:30:11,059 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:30:11" (1/1) ...
[2024-09-23 11:30:11,062 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:30:11" (1/1) ...
[2024-09-23 11:30:11,062 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:30:11" (1/1) ...
[2024-09-23 11:30:11,067 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:30:11" (1/1) ...
[2024-09-23 11:30:11,070 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:30:11" (1/1) ...
[2024-09-23 11:30:11,071 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:30:11" (1/1) ...
[2024-09-23 11:30:11,072 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:30:11" (1/1) ...
[2024-09-23 11:30:11,076 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-23 11:30:11,077 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-23 11:30:11,077 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-09-23 11:30:11,077 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-09-23 11:30:11,078 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:30:11" (1/1) ...
[2024-09-23 11:30:11,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-09-23 11:30:11,099 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-09-23 11:30:11,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-09-23 11:30:11,122 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-09-23 11:30:11,165 INFO L130 BoogieDeclarations]: Found specification of procedure t1
[2024-09-23 11:30:11,165 INFO L138 BoogieDeclarations]: Found implementation of procedure t1
[2024-09-23 11:30:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure t2
[2024-09-23 11:30:11,166 INFO L138 BoogieDeclarations]: Found implementation of procedure t2
[2024-09-23 11:30:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-09-23 11:30:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-23 11:30:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-09-23 11:30:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-09-23 11:30:11,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-23 11:30:11,166 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-23 11:30:11,168 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-09-23 11:30:11,274 INFO L242 CfgBuilder]: Building ICFG
[2024-09-23 11:30:11,275 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-23 11:30:11,430 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-09-23 11:30:11,431 INFO L291 CfgBuilder]: Performing block encoding
[2024-09-23 11:30:11,531 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-23 11:30:11,532 INFO L318 CfgBuilder]: Removed 3 assume(true) statements.
[2024-09-23 11:30:11,532 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 11:30:11 BoogieIcfgContainer
[2024-09-23 11:30:11,532 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-23 11:30:11,534 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-09-23 11:30:11,534 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-09-23 11:30:11,538 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-09-23 11:30:11,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.09 11:30:10" (1/4) ...
[2024-09-23 11:30:11,538 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e3a390 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.09 11:30:11, skipping insertion in model container
[2024-09-23 11:30:11,538 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.witnessparser CORRECTNESS_WITNESS 23.09 11:30:10" (2/4) ...
[2024-09-23 11:30:11,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e3a390 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 11:30:11, skipping insertion in model container
[2024-09-23 11:30:11,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator CORRECTNESS_WITNESS 23.09 11:30:11" (3/4) ...
[2024-09-23 11:30:11,539 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15e3a390 and model type witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CORRECTNESS_WITNESS 23.09 11:30:11, skipping insertion in model container
[2024-09-23 11:30:11,539 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.09 11:30:11" (4/4) ...
[2024-09-23 11:30:11,540 INFO L112 eAbstractionObserver]: Analyzing ICFG fib_safe-6.i
[2024-09-23 11:30:11,573 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:None NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-09-23 11:30:11,574 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-09-23 11:30:11,574 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-09-23 11:30:11,644 INFO L144 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-09-23 11:30:11,691 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-09-23 11:30:11,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-09-23 11:30:11,692 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-09-23 11:30:11,694 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-09-23 11:30:11,696 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-09-23 11:30:11,732 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-09-23 11:30:11,743 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-09-23 11:30:11,748 INFO L336 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=None, 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;@803521, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-09-23 11:30:11,748 INFO L337 AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-09-23 11:30:11,833 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-09-23 11:30:11,838 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-09-23 11:30:11,838 INFO L85 PathProgramCache]: Analyzing trace with hash -607598674, now seen corresponding path program 1 times
[2024-09-23 11:30:11,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-23 11:30:11,848 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192014209]
[2024-09-23 11:30:11,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-23 11:30:11,848 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-23 11:30:11,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-23 11:30:12,447 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-23 11:30:12,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-23 11:30:12,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192014209]
[2024-09-23 11:30:12,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192014209] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-23 11:30:12,450 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-23 11:30:12,450 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-09-23 11:30:12,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2080549791]
[2024-09-23 11:30:12,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-23 11:30:12,457 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-09-23 11:30:12,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-23 11:30:12,482 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-09-23 11:30:12,483 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30
[2024-09-23 11:30:12,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-09-23 11:30:12,485 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-09-23 11:30:12,488 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 5 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-23 11:30:12,488 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-09-23 11:30:12,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-09-23 11:30:12,782 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-09-23 11:30:12,782 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-09-23 11:30:12,783 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-09-23 11:30:12,783 INFO L85 PathProgramCache]: Analyzing trace with hash 1285074136, now seen corresponding path program 1 times
[2024-09-23 11:30:12,783 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-23 11:30:12,783 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796520353]
[2024-09-23 11:30:12,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-23 11:30:12,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-23 11:30:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-23 11:30:13,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-23 11:30:13,239 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-23 11:30:13,239 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796520353]
[2024-09-23 11:30:13,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796520353] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-23 11:30:13,240 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-23 11:30:13,240 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-09-23 11:30:13,241 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1512242214]
[2024-09-23 11:30:13,241 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-23 11:30:13,242 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-09-23 11:30:13,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-23 11:30:13,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-09-23 11:30:13,245 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72
[2024-09-23 11:30:13,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-09-23 11:30:13,246 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-09-23 11:30:13,246 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.125) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-23 11:30:13,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-09-23 11:30:13,246 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-09-23 11:30:13,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-09-23 11:30:13,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-09-23 11:30:13,479 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-09-23 11:30:13,479 INFO L399 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT === [ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-09-23 11:30:13,480 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-09-23 11:30:13,480 INFO L85 PathProgramCache]: Analyzing trace with hash 673136202, now seen corresponding path program 1 times
[2024-09-23 11:30:13,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-23 11:30:13,481 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108186279]
[2024-09-23 11:30:13,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-23 11:30:13,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-23 11:30:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-23 11:30:13,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-23 11:30:13,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-23 11:30:13,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108186279]
[2024-09-23 11:30:13,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108186279] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-23 11:30:13,651 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-23 11:30:13,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-09-23 11:30:13,652 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884508790]
[2024-09-23 11:30:13,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-23 11:30:13,652 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-09-23 11:30:13,652 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-23 11:30:13,653 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-09-23 11:30:13,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-09-23 11:30:13,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-09-23 11:30:13,653 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-09-23 11:30:13,654 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 2.0) internal successors, (8), 4 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-09-23 11:30:13,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states.
[2024-09-23 11:30:13,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states.
[2024-09-23 11:30:13,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-09-23 11:30:13,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-09-23 11:30:13,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-09-23 11:30:13,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-09-23 11:30:13,767 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONWITNESS_INVARIANT (3 of 4 remaining)
[2024-09-23 11:30:13,767 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONWITNESS_INVARIANT (2 of 4 remaining)
[2024-09-23 11:30:13,768 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 4 remaining)
[2024-09-23 11:30:13,768 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 4 remaining)
[2024-09-23 11:30:13,768 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-09-23 11:30:13,774 INFO L408 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-09-23 11:30:13,776 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-09-23 11:30:13,776 INFO L165 ceAbstractionStarter]: Computing trace abstraction results
[2024-09-23 11:30:13,778 INFO L469 ceAbstractionStarter]: Automizer considered 2 witness invariants
[2024-09-23 11:30:13,778 INFO L470 ceAbstractionStarter]: WitnessConsidered=2
[2024-09-23 11:30:13,779 INFO L201 PluginConnector]: Adding new model witness.yml de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.09 11:30:13 BasicIcfg
[2024-09-23 11:30:13,779 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-09-23 11:30:13,779 INFO L158 Benchmark]: Toolchain (without parser) took 3278.20ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 154.7MB in the beginning and 140.2MB in the end (delta: 14.4MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB.
[2024-09-23 11:30:13,780 INFO L158 Benchmark]: CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-23 11:30:13,780 INFO L158 Benchmark]: Witness Parser took 0.09ms. Allocated memory is still 188.7MB. Free memory is still 157.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-09-23 11:30:13,780 INFO L158 Benchmark]: CACSL2BoogieTranslator took 507.68ms. Allocated memory is still 188.7MB. Free memory was 154.7MB in the beginning and 129.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-09-23 11:30:13,781 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.35ms. Allocated memory is still 188.7MB. Free memory was 129.5MB in the beginning and 127.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-23 11:30:13,781 INFO L158 Benchmark]: Boogie Preprocessor took 24.01ms. Allocated memory is still 188.7MB. Free memory was 127.4MB in the beginning and 126.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-23 11:30:13,781 INFO L158 Benchmark]: RCFGBuilder took 455.70ms. Allocated memory is still 188.7MB. Free memory was 126.1MB in the beginning and 98.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
[2024-09-23 11:30:13,782 INFO L158 Benchmark]: TraceAbstraction took 2244.61ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 98.8MB in the beginning and 140.2MB in the end (delta: -41.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-23 11:30:13,784 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.17ms. Allocated memory is still 130.0MB. Free memory is still 92.0MB. There was no memory consumed. Max. memory is 16.1GB.
* Witness Parser took 0.09ms. Allocated memory is still 188.7MB. Free memory is still 157.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 507.68ms. Allocated memory is still 188.7MB. Free memory was 154.7MB in the beginning and 129.5MB in the end (delta: 25.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 40.35ms. Allocated memory is still 188.7MB. Free memory was 129.5MB in the beginning and 127.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 24.01ms. Allocated memory is still 188.7MB. Free memory was 127.4MB in the beginning and 126.1MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 455.70ms. Allocated memory is still 188.7MB. Free memory was 126.1MB in the beginning and 98.8MB in the end (delta: 27.3MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
* TraceAbstraction took 2244.61ms. Allocated memory was 188.7MB in the beginning and 226.5MB in the end (delta: 37.7MB). Free memory was 98.8MB in the beginning and 140.2MB in the end (delta: -41.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Partial order reduction statistics
Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1526, independent: 1266, independent conditional: 1075, independent unconditional: 191, dependent: 260, dependent conditional: 237, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1414, independent: 1266, independent conditional: 1075, independent unconditional: 191, dependent: 148, dependent conditional: 125, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1414, independent: 1266, independent conditional: 1075, independent unconditional: 191, dependent: 148, dependent conditional: 125, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1628, independent: 1266, independent conditional: 1075, independent unconditional: 191, dependent: 362, dependent conditional: 339, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1628, independent: 1266, independent conditional: 67, independent unconditional: 1199, dependent: 362, dependent conditional: 115, dependent unconditional: 247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1628, independent: 1266, independent conditional: 67, independent unconditional: 1199, dependent: 362, dependent conditional: 115, dependent unconditional: 247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 243, independent: 202, independent conditional: 26, independent unconditional: 176, dependent: 41, dependent conditional: 18, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 243, independent: 164, independent conditional: 0, independent unconditional: 164, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 79, independent: 38, independent conditional: 26, independent unconditional: 12, dependent: 41, dependent conditional: 18, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 79, independent: 38, independent conditional: 26, independent unconditional: 12, dependent: 41, dependent conditional: 18, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 301, independent: 140, independent conditional: 92, independent unconditional: 48, dependent: 162, dependent conditional: 53, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1628, independent: 1064, independent conditional: 41, independent unconditional: 1023, dependent: 321, dependent conditional: 97, dependent unconditional: 224, unknown: 243, unknown conditional: 44, unknown unconditional: 199] , Statistics on independence cache: Total cache size (in pairs): 243, Positive cache size: 202, Positive conditional cache size: 26, Positive unconditional cache size: 176, Negative cache size: 41, Negative conditional cache size: 18, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1232, Maximal queried relation: 3, Independence queries for same thread: 112, Persistent sets #1 benchmarks: Persistent set computation time: 0.2s, Number of persistent set computation: 62, Number of trivial persistent sets: 56, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 214, independent: 191, independent conditional: 0, independent unconditional: 191, dependent: 23, dependent conditional: 0, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1526, independent: 1266, independent conditional: 1075, independent unconditional: 191, dependent: 260, dependent conditional: 237, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1414, independent: 1266, independent conditional: 1075, independent unconditional: 191, dependent: 148, dependent conditional: 125, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1414, independent: 1266, independent conditional: 1075, independent unconditional: 191, dependent: 148, dependent conditional: 125, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1628, independent: 1266, independent conditional: 1075, independent unconditional: 191, dependent: 362, dependent conditional: 339, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1628, independent: 1266, independent conditional: 67, independent unconditional: 1199, dependent: 362, dependent conditional: 115, dependent unconditional: 247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1628, independent: 1266, independent conditional: 67, independent unconditional: 1199, dependent: 362, dependent conditional: 115, dependent unconditional: 247, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 243, independent: 202, independent conditional: 26, independent unconditional: 176, dependent: 41, dependent conditional: 18, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 243, independent: 164, independent conditional: 0, independent unconditional: 164, dependent: 79, dependent conditional: 0, dependent unconditional: 79, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 79, independent: 38, independent conditional: 26, independent unconditional: 12, dependent: 41, dependent conditional: 18, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 79, independent: 38, independent conditional: 26, independent unconditional: 12, dependent: 41, dependent conditional: 18, dependent unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 301, independent: 140, independent conditional: 92, independent unconditional: 48, dependent: 162, dependent conditional: 53, dependent unconditional: 109, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1628, independent: 1064, independent conditional: 41, independent unconditional: 1023, dependent: 321, dependent conditional: 97, dependent unconditional: 224, unknown: 243, unknown conditional: 44, unknown unconditional: 199] , Statistics on independence cache: Total cache size (in pairs): 243, Positive cache size: 202, Positive conditional cache size: 26, Positive unconditional cache size: 176, Negative cache size: 41, Negative conditional cache size: 18, Negative unconditional cache size: 23, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 1232, Maximal queried relation: 3, Independence queries for same thread: 112
- PositiveResult [Line: 721]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- PositiveResult [Line: 722]: invariant of correctness witness holds
For all program executions holds that invariant of correctness witness holds at this location
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
CFG has 5 procedures, 41 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.7s, 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: 19, 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, 0.0s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 31 ConstructedInterpolants, 0 QuantifiedInterpolants, 670 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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
- AllSpecificationsHoldResult: All specifications hold
2 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-09-23 11:30:13,821 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-09-23 11:30:14,016 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE