./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread/sync01.i --full-output --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version b86fb0b7
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/sync01.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 8f929a317f167560539ae4b4d441a695b43dc484839e0d977f902275d758b932 --traceabstraction.dfs.order.used.in.por LOOP_LOCKSTEP --traceabstraction.additional.conditional.commutativity.checking COUNTEREXAMPLE --traceabstraction.criterion.for.conditional.commutativity.checking RANDOM --traceabstraction.probability.for.random.criterion 20 --traceabstraction.seed.for.random.criterion 546 -tc /storage/repos/ultimate/releaseScripts/default/benchexec/../../../trunk/examples/toolchains/AutomizerCInline.xml
--- Real Ultimate output ---
This is Ultimate 0.2.5-wip.dk.conditional-comm-b86fb0b-m
[2024-10-18 00:13:03,694 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-10-18 00:13:03,747 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-10-18 00:13:03,752 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-10-18 00:13:03,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-18 00:13:03,777 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-18 00:13:03,778 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-18 00:13:03,778 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-18 00:13:03,779 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-18 00:13:03,779 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-18 00:13:03,780 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-18 00:13:03,781 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-10-18 00:13:03,781 INFO L153 SettingsManager]: * Use SBE=true
[2024-10-18 00:13:03,781 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-18 00:13:03,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-10-18 00:13:03,784 INFO L153 SettingsManager]: * sizeof long=4
[2024-10-18 00:13:03,784 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-10-18 00:13:03,784 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-10-18 00:13:03,784 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-10-18 00:13:03,784 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-10-18 00:13:03,785 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-18 00:13:03,785 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-10-18 00:13:03,785 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-10-18 00:13:03,785 INFO L153 SettingsManager]: * sizeof long double=12
[2024-10-18 00:13:03,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-10-18 00:13:03,786 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-10-18 00:13:03,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-18 00:13:03,786 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-10-18 00:13:03,786 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-10-18 00:13:03,786 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-10-18 00:13:03,786 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-18 00:13:03,787 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-18 00:13:03,787 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-10-18 00:13:03,787 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2024-10-18 00:13:03,787 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-18 00:13:03,787 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-18 00:13:03,787 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-10-18 00:13:03,788 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-18 00:13:03,788 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-10-18 00:13:03,788 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-10-18 00:13:03,790 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-10-18 00:13:03,790 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 -> 8f929a317f167560539ae4b4d441a695b43dc484839e0d977f902275d758b932
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: DFS Order used in POR -> LOOP_LOCKSTEP
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional conditional commutativity checking -> COUNTEREXAMPLE
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Criterion for conditional commutativity checking -> RANDOM
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Probability for random criterion as percentage -> 20
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Seed for random criterion -> 546
[2024-10-18 00:13:04,025 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-18 00:13:04,046 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-18 00:13:04,048 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-18 00:13:04,049 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-10-18 00:13:04,050 INFO L274 PluginConnector]: CDTParser initialized
[2024-10-18 00:13:04,051 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread/sync01.i
[2024-10-18 00:13:05,268 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-10-18 00:13:05,507 INFO L384 CDTParser]: Found 1 translation units.
[2024-10-18 00:13:05,507 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i
[2024-10-18 00:13:05,523 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c376a0a15/010ab9760d97430f8b7236866514e519/FLAGac0672834
[2024-10-18 00:13:05,534 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/c376a0a15/010ab9760d97430f8b7236866514e519
[2024-10-18 00:13:05,536 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-18 00:13:05,537 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-18 00:13:05,537 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-18 00:13:05,538 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-18 00:13:05,542 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-18 00:13:05,543 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 12:13:05" (1/1) ...
[2024-10-18 00:13:05,544 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ba9294 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:13:05, skipping insertion in model container
[2024-10-18 00:13:05,544 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 12:13:05" (1/1) ...
[2024-10-18 00:13:05,580 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-10-18 00:13:05,922 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017]
[2024-10-18 00:13:05,925 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-10-18 00:13:05,936 INFO L200 MainTranslator]: Completed pre-run
[2024-10-18 00:13:05,981 WARN L247 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/sync01.i[42004,42017]
[2024-10-18 00:13:05,982 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-10-18 00:13:06,028 INFO L204 MainTranslator]: Completed translation
[2024-10-18 00:13:06,029 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:13:06 WrapperNode
[2024-10-18 00:13:06,029 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-18 00:13:06,030 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-18 00:13:06,030 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-18 00:13:06,030 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-18 00:13:06,036 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:13:06" (1/1) ...
[2024-10-18 00:13:06,055 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:13:06" (1/1) ...
[2024-10-18 00:13:06,081 INFO L138 Inliner]: procedures = 268, calls = 22, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 62
[2024-10-18 00:13:06,083 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-18 00:13:06,083 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-18 00:13:06,083 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-18 00:13:06,083 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-10-18 00:13:06,090 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:13:06" (1/1) ...
[2024-10-18 00:13:06,090 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:13:06" (1/1) ...
[2024-10-18 00:13:06,093 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:13:06" (1/1) ...
[2024-10-18 00:13:06,093 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:13:06" (1/1) ...
[2024-10-18 00:13:06,101 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:13:06" (1/1) ...
[2024-10-18 00:13:06,104 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:13:06" (1/1) ...
[2024-10-18 00:13:06,109 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:13:06" (1/1) ...
[2024-10-18 00:13:06,110 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:13:06" (1/1) ...
[2024-10-18 00:13:06,112 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-18 00:13:06,116 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-18 00:13:06,116 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-10-18 00:13:06,116 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-10-18 00:13:06,117 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:13:06" (1/1) ...
[2024-10-18 00:13:06,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-18 00:13:06,133 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-18 00:13:06,151 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-10-18 00:13:06,153 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-10-18 00:13:06,188 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-10-18 00:13:06,188 INFO L130 BoogieDeclarations]: Found specification of procedure thread1
[2024-10-18 00:13:06,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1
[2024-10-18 00:13:06,189 INFO L130 BoogieDeclarations]: Found specification of procedure thread2
[2024-10-18 00:13:06,189 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2
[2024-10-18 00:13:06,189 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-10-18 00:13:06,189 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-18 00:13:06,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-10-18 00:13:06,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-18 00:13:06,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-18 00:13:06,190 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-10-18 00:13:06,345 INFO L238 CfgBuilder]: Building ICFG
[2024-10-18 00:13:06,347 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-18 00:13:06,488 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-10-18 00:13:06,488 INFO L287 CfgBuilder]: Performing block encoding
[2024-10-18 00:13:06,605 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-18 00:13:06,605 INFO L314 CfgBuilder]: Removed 2 assume(true) statements.
[2024-10-18 00:13:06,606 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 12:13:06 BoogieIcfgContainer
[2024-10-18 00:13:06,606 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-18 00:13:06,608 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-18 00:13:06,608 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-10-18 00:13:06,611 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-10-18 00:13:06,611 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 12:13:05" (1/3) ...
[2024-10-18 00:13:06,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721c6bc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 12:13:06, skipping insertion in model container
[2024-10-18 00:13:06,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:13:06" (2/3) ...
[2024-10-18 00:13:06,612 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721c6bc9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 12:13:06, skipping insertion in model container
[2024-10-18 00:13:06,612 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 12:13:06" (3/3) ...
[2024-10-18 00:13:06,614 INFO L112 eAbstractionObserver]: Analyzing ICFG sync01.i
[2024-10-18 00:13:06,626 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-18 00:13:06,627 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-10-18 00:13:06,627 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-10-18 00:13:06,657 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-10-18 00:13:06,694 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-18 00:13:06,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-10-18 00:13:06,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-18 00:13:06,696 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-10-18 00:13:06,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-10-18 00:13:06,787 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-10-18 00:13:06,804 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 00:13:06,806 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-10-18 00:13:06,811 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@66d1201d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms], mConComChecker=COUNTEREXAMPLE, mConComCheckerCriterion=RANDOM, mConComCheckerTraceCheckMode=GENERATOR, mConComCheckerLimitedChecksCriterion=false, mConComCheckerCriterionLimit=1, mConComCheckerRandomProb=20, mConComCheckerRandomSeed=546, mConComCheckerConditionCriterion=false
[2024-10-18 00:13:06,811 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-10-18 00:13:07,415 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-10-18 00:13:07,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 00:13:07,419 INFO L85 PathProgramCache]: Analyzing trace with hash -407292838, now seen corresponding path program 1 times
[2024-10-18 00:13:07,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 00:13:07,428 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816943449]
[2024-10-18 00:13:07,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 00:13:07,428 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 00:13:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 00:13:07,820 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked.
[2024-10-18 00:13:07,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-18 00:13:07,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816943449]
[2024-10-18 00:13:07,822 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816943449] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-18 00:13:07,822 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-18 00:13:07,822 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-10-18 00:13:07,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024308113]
[2024-10-18 00:13:07,824 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-18 00:13:07,828 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-10-18 00:13:07,829 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-18 00:13:07,848 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-18 00:13:07,849 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-18 00:13:07,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-10-18 00:13:07,851 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-18 00:13:07,852 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.0) internal successors, (27), 3 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-18 00:13:07,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-10-18 00:13:07,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-10-18 00:13:07,998 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-18 00:13:07,998 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-10-18 00:13:08,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 00:13:08,103 INFO L85 PathProgramCache]: Analyzing trace with hash 278905396, now seen corresponding path program 2 times
[2024-10-18 00:13:08,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 00:13:08,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2020001539]
[2024-10-18 00:13:08,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 00:13:08,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 00:13:08,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 00:13:08,173 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-10-18 00:13:08,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-18 00:13:08,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2020001539]
[2024-10-18 00:13:08,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2020001539] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-18 00:13:08,174 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-18 00:13:08,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-10-18 00:13:08,174 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028629877]
[2024-10-18 00:13:08,174 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-18 00:13:08,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-10-18 00:13:08,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-18 00:13:08,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-10-18 00:13:08,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-10-18 00:13:08,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-10-18 00:13:08,176 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-18 00:13:08,176 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.666666666666666) internal successors, (29), 2 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-18 00:13:08,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-10-18 00:13:08,177 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-10-18 00:13:08,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-10-18 00:13:08,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-10-18 00:13:08,250 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-10-18 00:13:08,250 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-10-18 00:13:08,309 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 00:13:08,309 INFO L85 PathProgramCache]: Analyzing trace with hash -402653397, now seen corresponding path program 1 times
[2024-10-18 00:13:08,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 00:13:08,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2042603395]
[2024-10-18 00:13:08,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 00:13:08,311 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 00:13:08,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 00:13:08,400 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 00:13:08,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-18 00:13:08,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2042603395]
[2024-10-18 00:13:08,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2042603395] provided 0 perfect and 1 imperfect interpolant sequences
[2024-10-18 00:13:08,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2427327]
[2024-10-18 00:13:08,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 00:13:08,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-10-18 00:13:08,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-18 00:13:08,403 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-10-18 00:13:08,405 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-10-18 00:13:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 00:13:08,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-10-18 00:13:08,492 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-10-18 00:13:08,519 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 00:13:08,520 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-10-18 00:13:08,520 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2427327] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-18 00:13:08,520 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-10-18 00:13:08,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [3] total 5
[2024-10-18 00:13:08,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [952589863]
[2024-10-18 00:13:08,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-18 00:13:08,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-18 00:13:08,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-18 00:13:08,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-18 00:13:08,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-10-18 00:13:08,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-10-18 00:13:08,522 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-18 00:13:08,522 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 5 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-10-18 00:13:08,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-10-18 00:13:08,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-10-18 00:13:08,523 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-10-18 00:13:08,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-10-18 00:13:08,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-10-18 00:13:08,622 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-18 00:13:08,626 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2024-10-18 00:13:08,626 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2024-10-18 00:13:08,626 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2024-10-18 00:13:08,646 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-10-18 00:13:08,827 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2
[2024-10-18 00:13:08,835 INFO L414 BasicCegarLoop]: Path program histogram: [2, 1]
[2024-10-18 00:13:08,838 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-10-18 00:13:08,838 INFO L165 ceAbstractionStarter]: Computing trace abstraction results
[2024-10-18 00:13:08,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 12:13:08 BasicIcfg
[2024-10-18 00:13:08,841 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-10-18 00:13:08,842 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-10-18 00:13:08,842 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-10-18 00:13:08,842 INFO L274 PluginConnector]: Witness Printer initialized
[2024-10-18 00:13:08,843 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 12:13:06" (3/4) ...
[2024-10-18 00:13:08,844 INFO L139 WitnessPrinter]: Generating witness for correct program
[2024-10-18 00:13:08,847 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread1
[2024-10-18 00:13:08,847 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure thread2
[2024-10-18 00:13:08,851 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 58 nodes and edges
[2024-10-18 00:13:08,851 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-10-18 00:13:08,852 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-10-18 00:13:08,852 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-10-18 00:13:08,920 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml
[2024-10-18 00:13:08,920 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.yml
[2024-10-18 00:13:08,920 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-10-18 00:13:08,921 INFO L158 Benchmark]: Toolchain (without parser) took 3384.12ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 133.9MB in the beginning and 80.9MB in the end (delta: 53.1MB). Peak memory consumption was 84.6MB. Max. memory is 16.1GB.
[2024-10-18 00:13:08,921 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-10-18 00:13:08,921 INFO L158 Benchmark]: CACSL2BoogieTranslator took 491.66ms. Allocated memory is still 167.8MB. Free memory was 133.7MB in the beginning and 110.5MB in the end (delta: 23.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-10-18 00:13:08,922 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.08ms. Allocated memory is still 167.8MB. Free memory was 110.5MB in the beginning and 108.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-18 00:13:08,922 INFO L158 Benchmark]: Boogie Preprocessor took 31.82ms. Allocated memory is still 167.8MB. Free memory was 108.1MB in the beginning and 106.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-18 00:13:08,922 INFO L158 Benchmark]: RCFGBuilder took 490.00ms. Allocated memory is still 167.8MB. Free memory was 106.2MB in the beginning and 107.5MB in the end (delta: -1.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
[2024-10-18 00:13:08,922 INFO L158 Benchmark]: TraceAbstraction took 2233.17ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 106.4MB in the beginning and 85.8MB in the end (delta: 20.6MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB.
[2024-10-18 00:13:08,923 INFO L158 Benchmark]: Witness Printer took 78.51ms. Allocated memory is still 201.3MB. Free memory was 85.8MB in the beginning and 80.9MB in the end (delta: 4.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-10-18 00:13:08,927 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.16ms. Allocated memory is still 167.8MB. Free memory is still 134.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 491.66ms. Allocated memory is still 167.8MB. Free memory was 133.7MB in the beginning and 110.5MB in the end (delta: 23.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 53.08ms. Allocated memory is still 167.8MB. Free memory was 110.5MB in the beginning and 108.1MB in the end (delta: 2.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 31.82ms. Allocated memory is still 167.8MB. Free memory was 108.1MB in the beginning and 106.2MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 490.00ms. Allocated memory is still 167.8MB. Free memory was 106.2MB in the beginning and 107.5MB in the end (delta: -1.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB.
* TraceAbstraction took 2233.17ms. Allocated memory was 167.8MB in the beginning and 201.3MB in the end (delta: 33.6MB). Free memory was 106.4MB in the beginning and 85.8MB in the end (delta: 20.6MB). Peak memory consumption was 56.0MB. Max. memory is 16.1GB.
* Witness Printer took 78.51ms. Allocated memory is still 201.3MB. Free memory was 85.8MB in the beginning and 80.9MB in the end (delta: 4.9MB). 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: 590, independent: 505, independent conditional: 176, independent unconditional: 329, dependent: 85, dependent conditional: 67, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 549, independent: 505, independent conditional: 176, independent unconditional: 329, dependent: 44, dependent conditional: 26, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 549, independent: 505, independent conditional: 176, independent unconditional: 329, dependent: 44, dependent conditional: 26, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 549, independent: 505, independent conditional: 176, independent unconditional: 329, dependent: 44, dependent conditional: 26, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 614, independent: 505, independent conditional: 176, independent unconditional: 329, dependent: 109, dependent conditional: 73, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 614, independent: 505, independent conditional: 0, independent unconditional: 505, dependent: 109, dependent conditional: 22, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 614, independent: 505, independent conditional: 0, independent unconditional: 505, dependent: 109, dependent conditional: 22, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 336, independent: 305, independent conditional: 0, independent unconditional: 305, dependent: 31, dependent conditional: 11, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 336, independent: 293, independent conditional: 0, independent unconditional: 293, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 31, dependent conditional: 11, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 31, dependent conditional: 11, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 778, independent: 167, independent conditional: 0, independent unconditional: 167, dependent: 611, dependent conditional: 172, dependent unconditional: 439, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 614, independent: 200, independent conditional: 0, independent unconditional: 200, dependent: 78, dependent conditional: 11, dependent unconditional: 67, unknown: 336, unknown conditional: 11, unknown unconditional: 325] , Statistics on independence cache: Total cache size (in pairs): 336, Positive cache size: 305, Positive conditional cache size: 0, Positive unconditional cache size: 305, Negative cache size: 31, Negative conditional cache size: 11, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 227, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 614, independent: 505, independent conditional: 176, independent unconditional: 329, dependent: 109, dependent conditional: 73, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 614, independent: 505, independent conditional: 0, independent unconditional: 505, dependent: 109, dependent conditional: 22, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 614, independent: 505, independent conditional: 0, independent unconditional: 505, dependent: 109, dependent conditional: 22, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 336, independent: 305, independent conditional: 0, independent unconditional: 305, dependent: 31, dependent conditional: 11, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 336, independent: 293, independent conditional: 0, independent unconditional: 293, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 31, dependent conditional: 11, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 31, dependent conditional: 11, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 778, independent: 167, independent conditional: 0, independent unconditional: 167, dependent: 611, dependent conditional: 172, dependent unconditional: 439, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 614, independent: 200, independent conditional: 0, independent unconditional: 200, dependent: 78, dependent conditional: 11, dependent unconditional: 67, unknown: 336, unknown conditional: 11, unknown unconditional: 325] , Statistics on independence cache: Total cache size (in pairs): 336, Positive cache size: 305, Positive conditional cache size: 0, Positive unconditional cache size: 305, Negative cache size: 31, Negative conditional cache size: 11, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 227 ], Independence queries for same thread: 41, Persistent sets #1 benchmarks: Persistent set computation time: 0.6s, Number of persistent set computation: 85, Number of trivial persistent sets: 68, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 346, independent: 329, independent conditional: 0, independent unconditional: 329, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 590, independent: 505, independent conditional: 176, independent unconditional: 329, dependent: 85, dependent conditional: 67, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 549, independent: 505, independent conditional: 176, independent unconditional: 329, dependent: 44, dependent conditional: 26, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 549, independent: 505, independent conditional: 176, independent unconditional: 329, dependent: 44, dependent conditional: 26, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 549, independent: 505, independent conditional: 176, independent unconditional: 329, dependent: 44, dependent conditional: 26, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 614, independent: 505, independent conditional: 176, independent unconditional: 329, dependent: 109, dependent conditional: 73, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 614, independent: 505, independent conditional: 0, independent unconditional: 505, dependent: 109, dependent conditional: 22, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 614, independent: 505, independent conditional: 0, independent unconditional: 505, dependent: 109, dependent conditional: 22, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 336, independent: 305, independent conditional: 0, independent unconditional: 305, dependent: 31, dependent conditional: 11, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 336, independent: 293, independent conditional: 0, independent unconditional: 293, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 31, dependent conditional: 11, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 31, dependent conditional: 11, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 778, independent: 167, independent conditional: 0, independent unconditional: 167, dependent: 611, dependent conditional: 172, dependent unconditional: 439, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 614, independent: 200, independent conditional: 0, independent unconditional: 200, dependent: 78, dependent conditional: 11, dependent unconditional: 67, unknown: 336, unknown conditional: 11, unknown unconditional: 325] , Statistics on independence cache: Total cache size (in pairs): 336, Positive cache size: 305, Positive conditional cache size: 0, Positive unconditional cache size: 305, Negative cache size: 31, Negative conditional cache size: 11, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 227, Maximal queried relation: 3, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 614, independent: 505, independent conditional: 176, independent unconditional: 329, dependent: 109, dependent conditional: 73, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 614, independent: 505, independent conditional: 0, independent unconditional: 505, dependent: 109, dependent conditional: 22, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 614, independent: 505, independent conditional: 0, independent unconditional: 505, dependent: 109, dependent conditional: 22, dependent unconditional: 87, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 336, independent: 305, independent conditional: 0, independent unconditional: 305, dependent: 31, dependent conditional: 11, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 336, independent: 293, independent conditional: 0, independent unconditional: 293, dependent: 43, dependent conditional: 0, dependent unconditional: 43, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 43, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 31, dependent conditional: 11, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 43, independent: 12, independent conditional: 0, independent unconditional: 12, dependent: 31, dependent conditional: 11, dependent unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 778, independent: 167, independent conditional: 0, independent unconditional: 167, dependent: 611, dependent conditional: 172, dependent unconditional: 439, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 614, independent: 200, independent conditional: 0, independent unconditional: 200, dependent: 78, dependent conditional: 11, dependent unconditional: 67, unknown: 336, unknown conditional: 11, unknown unconditional: 325] , Statistics on independence cache: Total cache size (in pairs): 336, Positive cache size: 305, Positive conditional cache size: 0, Positive unconditional cache size: 305, Negative cache size: 31, Negative conditional cache size: 11, Negative unconditional cache size: 20, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 227 ], Independence queries for same thread: 41
- PositiveResult [Line: 966]: 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 5 procedures, 50 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 2.1s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.9s, 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: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 104 ConstructedInterpolants, 0 QuantifiedInterpolants, 230 SizeOfPredicates, 0 NumberOfNonLiveVariables, 191 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 3 PerfectInterpolantSequences, 13/14 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 0.2s, ConditionalCommutativityCheckTime: 0.2s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 2, ConditionalCommutativityTraceChecks: 0, ConditionalCommutativityImperfectProofs: 0
- AllSpecificationsHoldResult: All specifications hold
1 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-10-18 00:13:08,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0
[2024-10-18 00:13:09,154 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