./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i --full-output --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/GemCutterReach.xml -i ../../../trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i -s /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) )
--witnessprinter.graph.data.producer GemCutter --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90
--- Real Ultimate output ---
This is Ultimate 0.2.4-dev-e94c40d-m
[2024-09-22 10:47:26,741 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-09-22 10:47:26,802 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-09-22 10:47:26,808 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-09-22 10:47:26,810 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-09-22 10:47:26,836 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-09-22 10:47:26,837 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-09-22 10:47:26,837 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-09-22 10:47:26,838 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-09-22 10:47:26,838 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-09-22 10:47:26,839 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-09-22 10:47:26,839 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-09-22 10:47:26,840 INFO L153 SettingsManager]: * Use SBE=true
[2024-09-22 10:47:26,844 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-09-22 10:47:26,844 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-09-22 10:47:26,844 INFO L153 SettingsManager]: * sizeof long=4
[2024-09-22 10:47:26,844 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-09-22 10:47:26,845 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-09-22 10:47:26,847 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-09-22 10:47:26,847 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-09-22 10:47:26,847 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-09-22 10:47:26,848 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-09-22 10:47:26,848 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-09-22 10:47:26,848 INFO L153 SettingsManager]: * sizeof long double=12
[2024-09-22 10:47:26,848 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-09-22 10:47:26,849 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-09-22 10:47:26,849 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-09-22 10:47:26,849 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-09-22 10:47:26,849 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-09-22 10:47:26,849 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-09-22 10:47:26,850 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-09-22 10:47:26,850 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-09-22 10:47:26,850 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-09-22 10:47:26,850 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-09-22 10:47:26,850 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-09-22 10:47:26,851 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2024-09-22 10:47:26,851 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-09-22 10:47:26,851 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-09-22 10:47:26,851 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-09-22 10:47:26,851 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-09-22 10:47:26,852 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-09-22 10:47:26,853 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> GemCutter
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9556b3eb7217f056a72a299bf0514e64606a248fa454b59dcc03e4a2e74c7c90
[2024-09-22 10:47:27,129 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-09-22 10:47:27,156 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-09-22 10:47:27,160 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-09-22 10:47:27,161 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-09-22 10:47:27,161 INFO L274 PluginConnector]: CDTParser initialized
[2024-09-22 10:47:27,162 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i
[2024-09-22 10:47:28,495 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-09-22 10:47:28,799 INFO L384 CDTParser]: Found 1 translation units.
[2024-09-22 10:47:28,803 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i
[2024-09-22 10:47:28,821 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9316ccd99/fa589c07e4f54e269e56d9d8d66e206e/FLAG26ce530c0
[2024-09-22 10:47:28,841 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/9316ccd99/fa589c07e4f54e269e56d9d8d66e206e
[2024-09-22 10:47:28,845 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-09-22 10:47:28,846 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-09-22 10:47:28,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-09-22 10:47:28,850 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-09-22 10:47:28,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-09-22 10:47:28,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 10:47:28" (1/1) ...
[2024-09-22 10:47:28,859 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c024750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 10:47:28, skipping insertion in model container
[2024-09-22 10:47:28,859 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.09 10:47:28" (1/1) ...
[2024-09-22 10:47:28,911 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-09-22 10:47:29,349 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i[55568,55581]
[2024-09-22 10:47:29,385 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-22 10:47:29,397 INFO L200 MainTranslator]: Completed pre-run
[2024-09-22 10:47:29,449 WARN L248 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/singleton_with-uninit-problems.i[55568,55581]
[2024-09-22 10:47:29,456 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-09-22 10:47:29,536 INFO L204 MainTranslator]: Completed translation
[2024-09-22 10:47:29,537 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 10:47:29 WrapperNode
[2024-09-22 10:47:29,537 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-09-22 10:47:29,538 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-09-22 10:47:29,539 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-09-22 10:47:29,539 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-09-22 10:47:29,546 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 10:47:29" (1/1) ...
[2024-09-22 10:47:29,563 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 10:47:29" (1/1) ...
[2024-09-22 10:47:29,585 INFO L138 Inliner]: procedures = 323, calls = 22, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34
[2024-09-22 10:47:29,585 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-09-22 10:47:29,586 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-09-22 10:47:29,586 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-09-22 10:47:29,586 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-09-22 10:47:29,596 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 10:47:29" (1/1) ...
[2024-09-22 10:47:29,602 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 10:47:29" (1/1) ...
[2024-09-22 10:47:29,606 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 10:47:29" (1/1) ...
[2024-09-22 10:47:29,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 10:47:29" (1/1) ...
[2024-09-22 10:47:29,620 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 10:47:29" (1/1) ...
[2024-09-22 10:47:29,626 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 10:47:29" (1/1) ...
[2024-09-22 10:47:29,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 10:47:29" (1/1) ...
[2024-09-22 10:47:29,629 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 10:47:29" (1/1) ...
[2024-09-22 10:47:29,632 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-09-22 10:47:29,633 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-09-22 10:47:29,633 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-09-22 10:47:29,633 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-09-22 10:47:29,634 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 10:47:29" (1/1) ...
[2024-09-22 10:47:29,640 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-09-22 10:47:29,650 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-09-22 10:47:29,664 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)
[2024-09-22 10:47:29,666 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
[2024-09-22 10:47:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-09-22 10:47:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-09-22 10:47:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int
[2024-09-22 10:47:29,708 INFO L130 BoogieDeclarations]: Found specification of procedure thread0
[2024-09-22 10:47:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure thread0
[2024-09-22 10:47:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-09-22 10:47:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-09-22 10:47:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-09-22 10:47:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-09-22 10:47:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure thread3
[2024-09-22 10:47:29,709 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3
[2024-09-22 10:47:29,709 INFO L130 BoogieDeclarations]: Found specification of procedure write~int
[2024-09-22 10:47:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-09-22 10:47:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-09-22 10:47:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-09-22 10:47:29,710 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-09-22 10:47:29,710 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-09-22 10:47:29,712 WARN L211 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-09-22 10:47:29,831 INFO L242 CfgBuilder]: Building ICFG
[2024-09-22 10:47:29,833 INFO L268 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-09-22 10:47:30,001 INFO L287 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-09-22 10:47:30,001 INFO L291 CfgBuilder]: Performing block encoding
[2024-09-22 10:47:30,132 INFO L313 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-09-22 10:47:30,132 INFO L318 CfgBuilder]: Removed 0 assume(true) statements.
[2024-09-22 10:47:30,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 10:47:30 BoogieIcfgContainer
[2024-09-22 10:47:30,133 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-09-22 10:47:30,138 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-09-22 10:47:30,138 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-09-22 10:47:30,141 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-09-22 10:47:30,141 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.09 10:47:28" (1/3) ...
[2024-09-22 10:47:30,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e8ee10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 10:47:30, skipping insertion in model container
[2024-09-22 10:47:30,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.09 10:47:29" (2/3) ...
[2024-09-22 10:47:30,142 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e8ee10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.09 10:47:30, skipping insertion in model container
[2024-09-22 10:47:30,142 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 10:47:30" (3/3) ...
[2024-09-22 10:47:30,143 INFO L112 eAbstractionObserver]: Analyzing ICFG singleton_with-uninit-problems.i
[2024-09-22 10:47:30,159 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-09-22 10:47:30,160 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-09-22 10:47:30,160 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-09-22 10:47:30,260 INFO L144 ThreadInstanceAdder]: Constructed 21 joinOtherThreadTransitions.
[2024-09-22 10:47:30,311 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-09-22 10:47:30,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-09-22 10:47:30,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-09-22 10:47:30,314 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)
[2024-09-22 10:47:30,315 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
[2024-09-22 10:47:30,349 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-09-22 10:47:30,360 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-09-22 10:47:30,366 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6ecc374f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-09-22 10:47:30,366 INFO L337 AbstractCegarLoop]: Starting to check reachability of 2 error locations.
[2024-09-22 10:47:30,672 INFO L399 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-09-22 10:47:30,677 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-09-22 10:47:30,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1373960454, now seen corresponding path program 1 times
[2024-09-22 10:47:30,684 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-22 10:47:30,684 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1778602702]
[2024-09-22 10:47:30,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-22 10:47:30,684 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-22 10:47:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-22 10:47:31,670 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-22 10:47:31,671 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-22 10:47:31,671 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1778602702]
[2024-09-22 10:47:31,671 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1778602702] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-22 10:47:31,672 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-22 10:47:31,672 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-09-22 10:47:31,675 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525702805]
[2024-09-22 10:47:31,675 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-22 10:47:31,680 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-09-22 10:47:31,680 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-22 10:47:31,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-09-22 10:47:31,706 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-09-22 10:47:31,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-09-22 10:47:31,710 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-09-22 10:47:31,712 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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)
[2024-09-22 10:47:31,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-09-22 10:47:31,897 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-09-22 10:47:31,898 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-09-22 10:47:31,899 INFO L399 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-09-22 10:47:31,899 INFO L160 PredicateUnifier]: Initialized classic predicate unifier
[2024-09-22 10:47:31,899 INFO L85 PathProgramCache]: Analyzing trace with hash -1183192826, now seen corresponding path program 2 times
[2024-09-22 10:47:31,899 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-09-22 10:47:31,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1442105042]
[2024-09-22 10:47:31,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-09-22 10:47:31,900 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-09-22 10:47:31,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-09-22 10:47:32,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-09-22 10:47:32,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-09-22 10:47:32,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1442105042]
[2024-09-22 10:47:32,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1442105042] provided 1 perfect and 0 imperfect interpolant sequences
[2024-09-22 10:47:32,172 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-09-22 10:47:32,172 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-09-22 10:47:32,173 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172231342]
[2024-09-22 10:47:32,173 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-09-22 10:47:32,175 INFO L551 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-09-22 10:47:32,176 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-09-22 10:47:32,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-09-22 10:47:32,177 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-09-22 10:47:32,177 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-09-22 10:47:32,177 INFO L474 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-09-22 10:47:32,178 INFO L475 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.5) internal successors, (38), 4 states have internal predecessors, (38), 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)
[2024-09-22 10:47:32,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states.
[2024-09-22 10:47:32,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-09-22 10:47:32,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-09-22 10:47:32,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-09-22 10:47:32,805 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining)
[2024-09-22 10:47:32,806 INFO L785 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 2 remaining)
[2024-09-22 10:47:32,806 WARN L456 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-09-22 10:47:32,814 INFO L408 BasicCegarLoop]: Path program histogram: [2]
[2024-09-22 10:47:32,816 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (1/2)
[2024-09-22 10:47:32,821 INFO L100 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-09-22 10:47:32,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-09-22 10:47:32,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-09-22 10:47:32,843 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-09-22 10:47:32,845 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process
[2024-09-22 10:47:32,848 INFO L157 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-09-22 10:47:32,849 INFO L335 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thread0Thread1of1ForFork4 ========
[2024-09-22 10:47:32,850 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=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@6ecc374f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-09-22 10:47:32,850 INFO L337 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-09-22 10:47:32,966 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 5 remaining)
[2024-09-22 10:47:32,967 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err4INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining)
[2024-09-22 10:47:32,968 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err6INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining)
[2024-09-22 10:47:32,968 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err8INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining)
[2024-09-22 10:47:32,968 INFO L785 garLoopResultBuilder]: Registering result SAFE for location thread0Thread1of1ForFork4Err10INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining)
[2024-09-22 10:47:32,970 INFO L408 BasicCegarLoop]: Path program histogram: []
[2024-09-22 10:47:32,974 INFO L312 ceAbstractionStarter]: Result for error location thread0Thread1of1ForFork4 was SAFE,SAFE,SAFE,SAFE,SAFE (2/2)
[2024-09-22 10:47:32,974 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-09-22 10:47:32,975 INFO L165 ceAbstractionStarter]: Computing trace abstraction results
[2024-09-22 10:47:32,980 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.09 10:47:32 BasicIcfg
[2024-09-22 10:47:32,980 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-09-22 10:47:32,981 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-09-22 10:47:32,981 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-09-22 10:47:32,981 INFO L274 PluginConnector]: Witness Printer initialized
[2024-09-22 10:47:32,982 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.09 10:47:30" (3/4) ...
[2024-09-22 10:47:32,986 INFO L139 WitnessPrinter]: Generating witness for correct program
[2024-09-22 10:47:32,990 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread0
[2024-09-22 10:47:32,991 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2024-09-22 10:47:32,992 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2024-09-22 10:47:32,992 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread3
[2024-09-22 10:47:32,996 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 30 nodes and edges
[2024-09-22 10:47:32,997 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges
[2024-09-22 10:47:32,997 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-09-22 10:47:32,998 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-09-22 10:47:33,084 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml
[2024-09-22 10:47:33,084 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml
[2024-09-22 10:47:33,085 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-09-22 10:47:33,086 INFO L158 Benchmark]: Toolchain (without parser) took 4238.81ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 134.7MB in the beginning and 82.9MB in the end (delta: 51.8MB). Peak memory consumption was 86.6MB. Max. memory is 16.1GB.
[2024-09-22 10:47:33,086 INFO L158 Benchmark]: CDTParser took 0.21ms. Allocated memory is still 109.1MB. Free memory was 79.4MB in the beginning and 79.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-09-22 10:47:33,086 INFO L158 Benchmark]: CACSL2BoogieTranslator took 688.17ms. Allocated memory is still 169.9MB. Free memory was 134.7MB in the beginning and 100.3MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
[2024-09-22 10:47:33,087 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.26ms. Allocated memory is still 169.9MB. Free memory was 100.3MB in the beginning and 98.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-22 10:47:33,087 INFO L158 Benchmark]: Boogie Preprocessor took 46.11ms. Allocated memory is still 169.9MB. Free memory was 98.2MB in the beginning and 96.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-09-22 10:47:33,089 INFO L158 Benchmark]: RCFGBuilder took 501.91ms. Allocated memory is still 169.9MB. Free memory was 96.1MB in the beginning and 128.4MB in the end (delta: -32.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
[2024-09-22 10:47:33,089 INFO L158 Benchmark]: TraceAbstraction took 2842.73ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 127.3MB in the beginning and 88.2MB in the end (delta: 39.1MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB.
[2024-09-22 10:47:33,089 INFO L158 Benchmark]: Witness Printer took 103.81ms. Allocated memory is still 205.5MB. Free memory was 88.2MB in the beginning and 82.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-09-22 10:47:33,091 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.21ms. Allocated memory is still 109.1MB. Free memory was 79.4MB in the beginning and 79.2MB in the end (delta: 159.4kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 688.17ms. Allocated memory is still 169.9MB. Free memory was 134.7MB in the beginning and 100.3MB in the end (delta: 34.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 47.26ms. Allocated memory is still 169.9MB. Free memory was 100.3MB in the beginning and 98.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 46.11ms. Allocated memory is still 169.9MB. Free memory was 98.2MB in the beginning and 96.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 501.91ms. Allocated memory is still 169.9MB. Free memory was 96.1MB in the beginning and 128.4MB in the end (delta: -32.2MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB.
* TraceAbstraction took 2842.73ms. Allocated memory was 169.9MB in the beginning and 205.5MB in the end (delta: 35.7MB). Free memory was 127.3MB in the beginning and 88.2MB in the end (delta: 39.1MB). Peak memory consumption was 77.9MB. Max. memory is 16.1GB.
* Witness Printer took 103.81ms. Allocated memory is still 205.5MB. Free memory was 88.2MB in the beginning and 82.9MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- StatisticsResult: Partial order reduction statistics
Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10033, independent: 9803, independent conditional: 7357, independent unconditional: 2446, dependent: 230, dependent conditional: 197, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9959, independent: 9803, independent conditional: 7357, independent unconditional: 2446, dependent: 156, dependent conditional: 123, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9959, independent: 9803, independent conditional: 7357, independent unconditional: 2446, dependent: 156, dependent conditional: 123, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10082, independent: 9803, independent conditional: 7357, independent unconditional: 2446, dependent: 279, dependent conditional: 246, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10082, independent: 9803, independent conditional: 0, independent unconditional: 9803, dependent: 279, dependent conditional: 88, dependent unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10082, independent: 9803, independent conditional: 0, independent unconditional: 9803, dependent: 279, dependent conditional: 88, dependent unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2482, independent: 2446, independent conditional: 0, independent unconditional: 2446, dependent: 36, dependent conditional: 3, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2482, independent: 2435, independent conditional: 0, independent unconditional: 2435, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 47, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 36, dependent conditional: 3, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 36, dependent conditional: 3, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, independent: 62, independent conditional: 0, independent unconditional: 62, dependent: 134, dependent conditional: 7, dependent unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10082, independent: 7357, independent conditional: 0, independent unconditional: 7357, dependent: 243, dependent conditional: 85, dependent unconditional: 158, unknown: 2482, unknown conditional: 3, unknown unconditional: 2479] , Statistics on independence cache: Total cache size (in pairs): 2482, Positive cache size: 2446, Positive conditional cache size: 0, Positive unconditional cache size: 2446, Negative cache size: 36, Negative conditional cache size: 3, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7515, Maximal queried relation: 1, Independence queries for same thread: 74, Persistent sets #1 benchmarks: Persistent set computation time: 0.4s, Number of persistent set computation: 1548, Number of trivial persistent sets: 1543, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 2479, independent: 2446, independent conditional: 0, independent unconditional: 2446, dependent: 33, dependent conditional: 0, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 10033, independent: 9803, independent conditional: 7357, independent unconditional: 2446, dependent: 230, dependent conditional: 197, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9959, independent: 9803, independent conditional: 7357, independent unconditional: 2446, dependent: 156, dependent conditional: 123, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 9959, independent: 9803, independent conditional: 7357, independent unconditional: 2446, dependent: 156, dependent conditional: 123, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 10082, independent: 9803, independent conditional: 7357, independent unconditional: 2446, dependent: 279, dependent conditional: 246, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 10082, independent: 9803, independent conditional: 0, independent unconditional: 9803, dependent: 279, dependent conditional: 88, dependent unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 10082, independent: 9803, independent conditional: 0, independent unconditional: 9803, dependent: 279, dependent conditional: 88, dependent unconditional: 191, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 2482, independent: 2446, independent conditional: 0, independent unconditional: 2446, dependent: 36, dependent conditional: 3, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 2482, independent: 2435, independent conditional: 0, independent unconditional: 2435, dependent: 47, dependent conditional: 0, dependent unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 47, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 36, dependent conditional: 3, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 47, independent: 11, independent conditional: 0, independent unconditional: 11, dependent: 36, dependent conditional: 3, dependent unconditional: 33, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 195, independent: 62, independent conditional: 0, independent unconditional: 62, dependent: 134, dependent conditional: 7, dependent unconditional: 127, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 10082, independent: 7357, independent conditional: 0, independent unconditional: 7357, dependent: 243, dependent conditional: 85, dependent unconditional: 158, unknown: 2482, unknown conditional: 3, unknown unconditional: 2479] , Statistics on independence cache: Total cache size (in pairs): 2482, Positive cache size: 2446, Positive conditional cache size: 0, Positive unconditional cache size: 2446, Negative cache size: 36, Negative conditional cache size: 3, Negative unconditional cache size: 33, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 7515, Maximal queried relation: 1, Independence queries for same thread: 74
- StatisticsResult: Partial order reduction statistics
Independence relation #1 benchmarks: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1276, independent: 1256, independent conditional: 48, independent unconditional: 1208, dependent: 20, dependent conditional: 1, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1275, independent: 1256, independent conditional: 48, independent unconditional: 1208, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1275, independent: 1256, independent conditional: 48, independent unconditional: 1208, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1275, independent: 1256, independent conditional: 48, independent unconditional: 1208, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1275, independent: 1256, independent conditional: 0, independent unconditional: 1256, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1275, independent: 1256, independent conditional: 0, independent unconditional: 1256, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1227, independent: 1208, independent conditional: 0, independent unconditional: 1208, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1227, independent: 1203, independent conditional: 0, independent unconditional: 1203, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1275, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1227, unknown conditional: 0, unknown unconditional: 1227] , Statistics on independence cache: Total cache size (in pairs): 1227, Positive cache size: 1208, Positive conditional cache size: 0, Positive unconditional cache size: 1208, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 48, Maximal queried relation: 0, Independence queries for same thread: 1, Persistent sets #1 benchmarks: Persistent set computation time: 0.1s, Number of persistent set computation: 18, Number of trivial persistent sets: 6, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1227, independent: 1208, independent conditional: 0, independent unconditional: 1208, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1276, independent: 1256, independent conditional: 48, independent unconditional: 1208, dependent: 20, dependent conditional: 1, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1275, independent: 1256, independent conditional: 48, independent unconditional: 1208, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1275, independent: 1256, independent conditional: 48, independent unconditional: 1208, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1275, independent: 1256, independent conditional: 48, independent unconditional: 1208, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1275, independent: 1256, independent conditional: 0, independent unconditional: 1256, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1275, independent: 1256, independent conditional: 0, independent unconditional: 1256, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1227, independent: 1208, independent conditional: 0, independent unconditional: 1208, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1227, independent: 1203, independent conditional: 0, independent unconditional: 1203, dependent: 24, dependent conditional: 0, dependent unconditional: 24, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 24, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 24, independent: 5, independent conditional: 0, independent unconditional: 5, dependent: 19, dependent conditional: 0, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 97, independent: 35, independent conditional: 0, independent unconditional: 35, dependent: 63, dependent conditional: 0, dependent unconditional: 63, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 1275, independent: 48, independent conditional: 0, independent unconditional: 48, dependent: 0, dependent conditional: 0, dependent unconditional: 0, unknown: 1227, unknown conditional: 0, unknown unconditional: 1227] , Statistics on independence cache: Total cache size (in pairs): 1227, Positive cache size: 1208, Positive conditional cache size: 0, Positive unconditional cache size: 1208, Negative cache size: 19, Negative conditional cache size: 0, Negative unconditional cache size: 19, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 48, Maximal queried relation: 0, Independence queries for same thread: 1
- PositiveResult [Line: 1123]: a call to reach_error is unreachable
For all program executions holds that a call to reach_error is unreachable at this location
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
CFG has 11 procedures, 87 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 1.1s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 76 NumberOfCodeBlocks, 76 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 182 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
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread0Thread1of1ForFork4 with 1 thread instances
CFG has 11 procedures, 87 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 0, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.1s, 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: 0, 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: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-09-22 10:47:33,128 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0
[2024-09-22 10:47:33,325 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
[2024-09-22 10:47:33,525 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