./Ultimate.py --spec ../../../trunk/examples/svcomp/properties/unreach-call.prp --file ../../../trunk/examples/svcomp/pthread-wmm/rfi010.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-wmm/rfi010.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 582aea72bf150e6792f444cf029a22a25cb033a365b198fc215f246088fb4d39 --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 00:52:38,007 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-10-18 00:52:38,073 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-10-18 00:52:38,076 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-10-18 00:52:38,077 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-10-18 00:52:38,104 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-10-18 00:52:38,108 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-10-18 00:52:38,108 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-10-18 00:52:38,109 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-10-18 00:52:38,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-10-18 00:52:38,109 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-10-18 00:52:38,110 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-10-18 00:52:38,110 INFO L153 SettingsManager]: * Use SBE=true
[2024-10-18 00:52:38,110 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-10-18 00:52:38,110 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-10-18 00:52:38,110 INFO L153 SettingsManager]: * sizeof long=4
[2024-10-18 00:52:38,111 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-10-18 00:52:38,111 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-10-18 00:52:38,111 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-10-18 00:52:38,112 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-10-18 00:52:38,112 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-10-18 00:52:38,112 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-10-18 00:52:38,113 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-10-18 00:52:38,113 INFO L153 SettingsManager]: * sizeof long double=12
[2024-10-18 00:52:38,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-10-18 00:52:38,113 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-10-18 00:52:38,114 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-10-18 00:52:38,114 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-10-18 00:52:38,114 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-10-18 00:52:38,114 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-10-18 00:52:38,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-18 00:52:38,115 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-10-18 00:52:38,115 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-10-18 00:52:38,115 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2024-10-18 00:52:38,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-10-18 00:52:38,116 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-10-18 00:52:38,116 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-10-18 00:52:38,116 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-10-18 00:52:38,116 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-10-18 00:52:38,117 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-10-18 00:52:38,117 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-10-18 00:52:38,117 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 -> 582aea72bf150e6792f444cf029a22a25cb033a365b198fc215f246088fb4d39
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 00:52:38,336 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-10-18 00:52:38,368 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-10-18 00:52:38,371 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-10-18 00:52:38,372 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-10-18 00:52:38,372 INFO L274 PluginConnector]: CDTParser initialized
[2024-10-18 00:52:38,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/../../../trunk/examples/svcomp/pthread-wmm/rfi010.i
[2024-10-18 00:52:39,686 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-10-18 00:52:39,903 INFO L384 CDTParser]: Found 1 translation units.
[2024-10-18 00:52:39,903 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-wmm/rfi010.i
[2024-10-18 00:52:39,918 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a5378ee03/22b6faf6d49a4af4bebe1920d2bd3a02/FLAGda7295240
[2024-10-18 00:52:40,249 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/data/a5378ee03/22b6faf6d49a4af4bebe1920d2bd3a02
[2024-10-18 00:52:40,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-10-18 00:52:40,253 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-10-18 00:52:40,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-10-18 00:52:40,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-10-18 00:52:40,260 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-10-18 00:52:40,260 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 12:52:40" (1/1) ...
[2024-10-18 00:52:40,262 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30be0681 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:52:40, skipping insertion in model container
[2024-10-18 00:52:40,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.10 12:52:40" (1/1) ...
[2024-10-18 00:52:40,302 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-10-18 00:52:40,450 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-wmm/rfi010.i[983,996]
[2024-10-18 00:52:40,609 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-10-18 00:52:40,621 INFO L200 MainTranslator]: Completed pre-run
[2024-10-18 00:52:40,637 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-wmm/rfi010.i[983,996]
[2024-10-18 00:52:40,675 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-10-18 00:52:40,729 INFO L204 MainTranslator]: Completed translation
[2024-10-18 00:52:40,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:52:40 WrapperNode
[2024-10-18 00:52:40,730 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-10-18 00:52:40,730 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-10-18 00:52:40,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-10-18 00:52:40,734 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-10-18 00:52:40,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:52:40" (1/1) ...
[2024-10-18 00:52:40,788 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:52:40" (1/1) ...
[2024-10-18 00:52:40,844 INFO L138 Inliner]: procedures = 174, calls = 37, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 127
[2024-10-18 00:52:40,848 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-10-18 00:52:40,849 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-10-18 00:52:40,849 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-10-18 00:52:40,849 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-10-18 00:52:40,858 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:52:40" (1/1) ...
[2024-10-18 00:52:40,858 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:52:40" (1/1) ...
[2024-10-18 00:52:40,863 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:52:40" (1/1) ...
[2024-10-18 00:52:40,863 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:52:40" (1/1) ...
[2024-10-18 00:52:40,871 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:52:40" (1/1) ...
[2024-10-18 00:52:40,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:52:40" (1/1) ...
[2024-10-18 00:52:40,877 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:52:40" (1/1) ...
[2024-10-18 00:52:40,878 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:52:40" (1/1) ...
[2024-10-18 00:52:40,884 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-10-18 00:52:40,885 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-10-18 00:52:40,889 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-10-18 00:52:40,889 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-10-18 00:52:40,890 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:52:40" (1/1) ...
[2024-10-18 00:52:40,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-10-18 00:52:40,908 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-18 00:52:40,925 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 00:52:40,928 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 00:52:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-10-18 00:52:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-10-18 00:52:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-10-18 00:52:40,994 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-10-18 00:52:40,994 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-10-18 00:52:40,994 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-10-18 00:52:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-10-18 00:52:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-10-18 00:52:40,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-10-18 00:52:40,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-10-18 00:52:41,000 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 00:52:41,131 INFO L238 CfgBuilder]: Building ICFG
[2024-10-18 00:52:41,133 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-10-18 00:52:41,380 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-10-18 00:52:41,380 INFO L287 CfgBuilder]: Performing block encoding
[2024-10-18 00:52:41,566 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-10-18 00:52:41,566 INFO L314 CfgBuilder]: Removed 0 assume(true) statements.
[2024-10-18 00:52:41,566 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 12:52:41 BoogieIcfgContainer
[2024-10-18 00:52:41,566 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-10-18 00:52:41,568 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-10-18 00:52:41,568 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-10-18 00:52:41,574 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-10-18 00:52:41,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.10 12:52:40" (1/3) ...
[2024-10-18 00:52:41,574 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25784225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 12:52:41, skipping insertion in model container
[2024-10-18 00:52:41,574 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.10 12:52:40" (2/3) ...
[2024-10-18 00:52:41,575 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25784225 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.10 12:52:41, skipping insertion in model container
[2024-10-18 00:52:41,575 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 12:52:41" (3/3) ...
[2024-10-18 00:52:41,576 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi010.i
[2024-10-18 00:52:41,592 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-10-18 00:52:41,593 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations.
[2024-10-18 00:52:41,593 INFO L484 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-10-18 00:52:41,624 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-10-18 00:52:41,655 INFO L106 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-10-18 00:52:41,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-10-18 00:52:41,655 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3
[2024-10-18 00:52:41,657 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 00:52:41,661 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 00:52:41,733 INFO L194 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-10-18 00:52:41,746 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 00:52:41,748 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-10-18 00:52:41,754 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;@23106c7f, 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 00:52:41,754 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-10-18 00:52:52,758 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 00:52:52,762 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 00:52:52,762 INFO L85 PathProgramCache]: Analyzing trace with hash 2028953146, now seen corresponding path program 1 times
[2024-10-18 00:52:52,774 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 00:52:52,775 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204699361]
[2024-10-18 00:52:52,775 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 00:52:52,775 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 00:52:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 00:52:53,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 00:52:53,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-18 00:52:53,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204699361]
[2024-10-18 00:52:53,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204699361] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-18 00:52:53,138 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-18 00:52:53,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-18 00:52:53,139 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999200449]
[2024-10-18 00:52:53,139 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-18 00:52:53,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-18 00:52:53,143 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-18 00:52:53,167 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-18 00:52:53,168 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-10-18 00:52:53,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-10-18 00:52:53,170 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-18 00:52:53,170 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 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 00:52:53,170 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-10-18 00:53:26,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-18 00:53:26,684 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-10-18 00:53:26,684 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 00:53:26,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 00:53:26,686 INFO L85 PathProgramCache]: Analyzing trace with hash -1339190585, now seen corresponding path program 1 times
[2024-10-18 00:53:26,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 00:53:26,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178471410]
[2024-10-18 00:53:26,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 00:53:26,687 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 00:53:26,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 00:53:26,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 00:53:26,929 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-18 00:53:26,929 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178471410]
[2024-10-18 00:53:26,929 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178471410] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-18 00:53:26,929 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-18 00:53:26,929 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-10-18 00:53:26,929 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325983006]
[2024-10-18 00:53:26,929 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-18 00:53:26,930 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-10-18 00:53:26,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-18 00:53:26,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-10-18 00:53:26,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-10-18 00:53:26,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-10-18 00:53:26,932 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-18 00:53:26,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 3.8) internal successors, (19), 4 states have internal predecessors, (19), 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 00:53:26,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-10-18 00:53:26,932 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-10-18 00:53:27,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-18 00:53:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-18 00:53:27,041 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-10-18 00:53:27,041 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 00:53:27,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 00:53:27,058 INFO L85 PathProgramCache]: Analyzing trace with hash 1167770468, now seen corresponding path program 1 times
[2024-10-18 00:53:27,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 00:53:27,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934129701]
[2024-10-18 00:53:27,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 00:53:27,059 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 00:53:27,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-10-18 00:53:28,513 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-10-18 00:53:28,513 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-10-18 00:53:28,513 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934129701]
[2024-10-18 00:53:28,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934129701] provided 1 perfect and 0 imperfect interpolant sequences
[2024-10-18 00:53:28,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-10-18 00:53:28,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-10-18 00:53:28,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994109113]
[2024-10-18 00:53:28,514 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-10-18 00:53:28,514 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-10-18 00:53:28,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-10-18 00:53:28,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-10-18 00:53:28,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2024-10-18 00:53:28,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-10-18 00:53:28,516 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-10-18 00:53:28,516 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 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 00:53:28,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-10-18 00:53:28,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-10-18 00:53:28,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-10-18 00:53:43,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-18 00:53:43,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-10-18 00:53:43,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states.
[2024-10-18 00:53:43,011 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-10-18 00:53:43,012 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-10-18 00:54:00,822 INFO L85 PathProgramCache]: Analyzing trace with hash 100737567, now seen corresponding path program 1 times
[2024-10-18 00:54:00,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 00:54:00,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 00:54:00,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-18 00:54:00,838 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-18 00:54:00,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-18 00:54:00,900 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-10-18 00:54:00,900 INFO L85 PathProgramCache]: Analyzing trace with hash 275319190, now seen corresponding path program 2 times
[2024-10-18 00:54:00,901 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-10-18 00:54:00,901 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12968504]
[2024-10-18 00:54:00,901 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-10-18 00:54:00,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-10-18 00:54:00,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-18 00:54:00,966 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-10-18 00:54:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-10-18 00:54:01,037 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-10-18 00:54:01,038 INFO L332 BasicCegarLoop]: Counterexample is feasible
[2024-10-18 00:54:01,039 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2024-10-18 00:54:01,041 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2024-10-18 00:54:01,042 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2024-10-18 00:54:01,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,SelfDestructingSolverStorable3
[2024-10-18 00:54:01,051 INFO L414 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1]
[2024-10-18 00:54:01,053 INFO L312 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (1/2)
[2024-10-18 00:54:01,104 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-10-18 00:54:01,107 INFO L165 ceAbstractionStarter]: Computing trace abstraction results
[2024-10-18 00:54:01,109 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.10 12:54:01 BasicIcfg
[2024-10-18 00:54:01,110 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-10-18 00:54:01,111 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-10-18 00:54:01,111 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-10-18 00:54:01,111 INFO L274 PluginConnector]: Witness Printer initialized
[2024-10-18 00:54:01,112 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.10 12:52:41" (3/4) ...
[2024-10-18 00:54:01,112 INFO L133 WitnessPrinter]: Generating witness for reachability counterexample
[2024-10-18 00:54:01,182 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/witness.graphml
[2024-10-18 00:54:01,182 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-10-18 00:54:01,182 INFO L158 Benchmark]: Toolchain (without parser) took 80929.34ms. Allocated memory was 218.1MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 149.2MB in the beginning and 1.1GB in the end (delta: -970.7MB). Peak memory consumption was 441.1MB. Max. memory is 16.1GB.
[2024-10-18 00:54:01,182 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-10-18 00:54:01,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 475.47ms. Allocated memory is still 218.1MB. Free memory was 149.0MB in the beginning and 123.0MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-10-18 00:54:01,183 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.87ms. Allocated memory is still 218.1MB. Free memory was 123.0MB in the beginning and 187.9MB in the end (delta: -64.8MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB.
[2024-10-18 00:54:01,183 INFO L158 Benchmark]: Boogie Preprocessor took 35.80ms. Allocated memory is still 218.1MB. Free memory was 187.9MB in the beginning and 185.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-10-18 00:54:01,183 INFO L158 Benchmark]: RCFGBuilder took 681.35ms. Allocated memory is still 218.1MB. Free memory was 185.8MB in the beginning and 134.5MB in the end (delta: 51.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB.
[2024-10-18 00:54:01,183 INFO L158 Benchmark]: TraceAbstraction took 79542.22ms. Allocated memory was 218.1MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 133.3MB in the beginning and 1.1GB in the end (delta: -996.0MB). Peak memory consumption was 417.3MB. Max. memory is 16.1GB.
[2024-10-18 00:54:01,183 INFO L158 Benchmark]: Witness Printer took 71.47ms. Allocated memory is still 1.6GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-10-18 00:54:01,184 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.14ms. Allocated memory is still 109.1MB. Free memory is still 70.7MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 475.47ms. Allocated memory is still 218.1MB. Free memory was 149.0MB in the beginning and 123.0MB in the end (delta: 26.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 117.87ms. Allocated memory is still 218.1MB. Free memory was 123.0MB in the beginning and 187.9MB in the end (delta: -64.8MB). Peak memory consumption was 7.0MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 35.80ms. Allocated memory is still 218.1MB. Free memory was 187.9MB in the beginning and 185.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 681.35ms. Allocated memory is still 218.1MB. Free memory was 185.8MB in the beginning and 134.5MB in the end (delta: 51.2MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB.
* TraceAbstraction took 79542.22ms. Allocated memory was 218.1MB in the beginning and 1.6GB in the end (delta: 1.4GB). Free memory was 133.3MB in the beginning and 1.1GB in the end (delta: -996.0MB). Peak memory consumption was 417.3MB. Max. memory is 16.1GB.
* Witness Printer took 71.47ms. Allocated memory is still 1.6GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. 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: 598, independent: 561, independent conditional: 269, independent unconditional: 292, dependent: 37, dependent conditional: 18, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 590, independent: 561, independent conditional: 269, independent unconditional: 292, dependent: 29, dependent conditional: 11, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 590, independent: 561, independent conditional: 269, independent unconditional: 292, dependent: 29, dependent conditional: 11, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 590, independent: 561, independent conditional: 269, independent unconditional: 292, dependent: 29, dependent conditional: 11, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 642, independent: 561, independent conditional: 269, independent unconditional: 292, dependent: 81, dependent conditional: 45, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 642, independent: 561, independent conditional: 6, independent unconditional: 555, dependent: 81, dependent conditional: 12, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 642, independent: 561, independent conditional: 6, independent unconditional: 555, dependent: 81, dependent conditional: 12, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 319, independent: 296, independent conditional: 4, independent unconditional: 292, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 319, independent: 289, independent conditional: 0, independent unconditional: 289, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 7, independent conditional: 4, independent unconditional: 3, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 7, independent conditional: 4, independent unconditional: 3, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65603, independent: 1648, independent conditional: 1589, independent unconditional: 60, dependent: 63955, dependent conditional: 13673, dependent unconditional: 50281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 642, independent: 265, independent conditional: 2, independent unconditional: 263, dependent: 58, dependent conditional: 7, dependent unconditional: 51, unknown: 319, unknown conditional: 9, unknown unconditional: 310] , Statistics on independence cache: Total cache size (in pairs): 319, Positive cache size: 296, Positive conditional cache size: 4, Positive unconditional cache size: 292, Negative cache size: 23, Negative conditional cache size: 5, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 296, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 642, independent: 561, independent conditional: 269, independent unconditional: 292, dependent: 81, dependent conditional: 45, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 642, independent: 561, independent conditional: 6, independent unconditional: 555, dependent: 81, dependent conditional: 12, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 642, independent: 561, independent conditional: 6, independent unconditional: 555, dependent: 81, dependent conditional: 12, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 319, independent: 296, independent conditional: 4, independent unconditional: 292, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 319, independent: 289, independent conditional: 0, independent unconditional: 289, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 7, independent conditional: 4, independent unconditional: 3, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 7, independent conditional: 4, independent unconditional: 3, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65603, independent: 1648, independent conditional: 1589, independent unconditional: 60, dependent: 63955, dependent conditional: 13673, dependent unconditional: 50281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 642, independent: 265, independent conditional: 2, independent unconditional: 263, dependent: 58, dependent conditional: 7, dependent unconditional: 51, unknown: 319, unknown conditional: 9, unknown unconditional: 310] , Statistics on independence cache: Total cache size (in pairs): 319, Positive cache size: 296, Positive conditional cache size: 4, Positive unconditional cache size: 292, Negative cache size: 23, Negative conditional cache size: 5, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 296 ], Independence queries for same thread: 8, Persistent sets #1 benchmarks: Persistent set computation time: 50.4s, Number of persistent set computation: 94, Number of trivial persistent sets: 49, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 310, independent: 292, independent conditional: 0, independent unconditional: 292, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 598, independent: 561, independent conditional: 269, independent unconditional: 292, dependent: 37, dependent conditional: 18, dependent unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 590, independent: 561, independent conditional: 269, independent unconditional: 292, dependent: 29, dependent conditional: 11, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ ConditionTransformingIndependenceRelation.Independence Queries: [ total: 590, independent: 561, independent conditional: 269, independent unconditional: 292, dependent: 29, dependent conditional: 11, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 590, independent: 561, independent conditional: 269, independent unconditional: 292, dependent: 29, dependent conditional: 11, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 642, independent: 561, independent conditional: 269, independent unconditional: 292, dependent: 81, dependent conditional: 45, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 642, independent: 561, independent conditional: 6, independent unconditional: 555, dependent: 81, dependent conditional: 12, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 642, independent: 561, independent conditional: 6, independent unconditional: 555, dependent: 81, dependent conditional: 12, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 319, independent: 296, independent conditional: 4, independent unconditional: 292, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 319, independent: 289, independent conditional: 0, independent unconditional: 289, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 7, independent conditional: 4, independent unconditional: 3, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 7, independent conditional: 4, independent unconditional: 3, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65603, independent: 1648, independent conditional: 1589, independent unconditional: 60, dependent: 63955, dependent conditional: 13673, dependent unconditional: 50281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 642, independent: 265, independent conditional: 2, independent unconditional: 263, dependent: 58, dependent conditional: 7, dependent unconditional: 51, unknown: 319, unknown conditional: 9, unknown unconditional: 310] , Statistics on independence cache: Total cache size (in pairs): 319, Positive cache size: 296, Positive conditional cache size: 4, Positive unconditional cache size: 292, Negative cache size: 23, Negative conditional cache size: 5, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 296, Maximal queried relation: 2, ConditionTransformingIndependenceRelation.Independence Queries: [ total: 642, independent: 561, independent conditional: 269, independent unconditional: 292, dependent: 81, dependent conditional: 45, dependent unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 642, independent: 561, independent conditional: 6, independent unconditional: 555, dependent: 81, dependent conditional: 12, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 642, independent: 561, independent conditional: 6, independent unconditional: 555, dependent: 81, dependent conditional: 12, dependent unconditional: 69, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 319, independent: 296, independent conditional: 4, independent unconditional: 292, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 319, independent: 289, independent conditional: 0, independent unconditional: 289, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 30, independent: 7, independent conditional: 4, independent unconditional: 3, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 30, independent: 7, independent conditional: 4, independent unconditional: 3, dependent: 23, dependent conditional: 5, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65603, independent: 1648, independent conditional: 1589, independent unconditional: 60, dependent: 63955, dependent conditional: 13673, dependent unconditional: 50281, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Protected Queries: 0 ], Cache Queries: [ total: 642, independent: 265, independent conditional: 2, independent unconditional: 263, dependent: 58, dependent conditional: 7, dependent unconditional: 51, unknown: 319, unknown conditional: 9, unknown unconditional: 310] , Statistics on independence cache: Total cache size (in pairs): 319, Positive cache size: 296, Positive conditional cache size: 4, Positive unconditional cache size: 292, Negative cache size: 23, Negative conditional cache size: 5, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 296 ], Independence queries for same thread: 8
- CounterExampleResult [Line: 19]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L709] 0 int __unbuffered_cnt = 0;
[L711] 0 int __unbuffered_p0_EAX = 0;
[L713] 0 int __unbuffered_p1_EAX = 0;
[L715] 0 int __unbuffered_p1_EBX = 0;
[L716] 0 _Bool main$tmp_guard0;
[L717] 0 _Bool main$tmp_guard1;
[L719] 0 int x = 0;
[L721] 0 int y = 0;
[L722] 0 _Bool y$flush_delayed;
[L723] 0 int y$mem_tmp;
[L724] 0 _Bool y$r_buff0_thd0;
[L725] 0 _Bool y$r_buff0_thd1;
[L726] 0 _Bool y$r_buff0_thd2;
[L727] 0 _Bool y$r_buff1_thd0;
[L728] 0 _Bool y$r_buff1_thd1;
[L729] 0 _Bool y$r_buff1_thd2;
[L730] 0 _Bool y$read_delayed;
[L731] 0 int *y$read_delayed_var;
[L732] 0 int y$w_buff0;
[L733] 0 _Bool y$w_buff0_used;
[L734] 0 int y$w_buff1;
[L735] 0 _Bool y$w_buff1_used;
[L736] 0 _Bool weak$$choice0;
[L737] 0 _Bool weak$$choice2;
[L823] 0 pthread_t t1761;
[L824] FCALL, FORK 0 pthread_create(&t1761, ((void *)0), P0, ((void *)0))
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1761=-1, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0]
[L825] 0 pthread_t t1762;
[L826] FCALL, FORK 0 pthread_create(&t1762, ((void *)0), P1, ((void *)0))
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t1761=-1, t1762=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=0, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=0, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=0]
[L771] 2 y$w_buff1 = y$w_buff0
[L772] 2 y$w_buff0 = 1
[L773] 2 y$w_buff1_used = y$w_buff0_used
[L774] 2 y$w_buff0_used = (_Bool)1
[L775] CALL 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used))
[L19] COND FALSE 2 !(!expression)
[L775] RET 2 __VERIFIER_assert(!(y$w_buff1_used && y$w_buff0_used))
[L776] 2 y$r_buff1_thd0 = y$r_buff0_thd0
[L777] 2 y$r_buff1_thd1 = y$r_buff0_thd1
[L778] 2 y$r_buff1_thd2 = y$r_buff0_thd2
[L779] 2 y$r_buff0_thd2 = (_Bool)1
VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0]
[L782] 2 weak$$choice0 = __VERIFIER_nondet_bool()
[L783] 2 weak$$choice2 = __VERIFIER_nondet_bool()
[L784] 2 y$flush_delayed = weak$$choice2
[L785] 2 y$mem_tmp = y
[L786] 2 y = !y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff1)
[L787] 2 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : y$w_buff0))
[L788] 2 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff1 : y$w_buff1))
[L789] 2 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used))
[L790] 2 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L791] 2 y$r_buff0_thd2 = weak$$choice2 ? y$r_buff0_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff0_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2))
[L792] 2 y$r_buff1_thd2 = weak$$choice2 ? y$r_buff1_thd2 : (!y$w_buff0_used || !y$r_buff0_thd2 && !y$w_buff1_used || !y$r_buff0_thd2 && !y$r_buff1_thd2 ? y$r_buff1_thd2 : (y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L793] 2 __unbuffered_p1_EAX = y
[L794] 2 y = y$flush_delayed ? y$mem_tmp : y
[L795] 2 y$flush_delayed = (_Bool)0
VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0]
[L798] 2 __unbuffered_p1_EBX = x
VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=0, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0]
[L741] 1 x = 1
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0]
[L746] 1 weak$$choice0 = __VERIFIER_nondet_bool()
[L747] 1 weak$$choice2 = __VERIFIER_nondet_bool()
[L748] 1 y$flush_delayed = weak$$choice2
[L749] 1 y$mem_tmp = y
[L750] 1 y = !y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff1)
[L751] 1 y$w_buff0 = weak$$choice2 ? y$w_buff0 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff0 : y$w_buff0))
[L752] 1 y$w_buff1 = weak$$choice2 ? y$w_buff1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1 : (y$w_buff0_used && y$r_buff0_thd1 ? y$w_buff1 : y$w_buff1))
[L753] 1 y$w_buff0_used = weak$$choice2 ? y$w_buff0_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff0_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$w_buff0_used))
[L754] 1 y$w_buff1_used = weak$$choice2 ? y$w_buff1_used : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$w_buff1_used : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L755] 1 y$r_buff0_thd1 = weak$$choice2 ? y$r_buff0_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff0_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : y$r_buff0_thd1))
[L756] 1 y$r_buff1_thd1 = weak$$choice2 ? y$r_buff1_thd1 : (!y$w_buff0_used || !y$r_buff0_thd1 && !y$w_buff1_used || !y$r_buff0_thd1 && !y$r_buff1_thd1 ? y$r_buff1_thd1 : (y$w_buff0_used && y$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L757] 1 __unbuffered_p0_EAX = y
[L758] 1 y = y$flush_delayed ? y$mem_tmp : y
[L759] 1 y$flush_delayed = (_Bool)0
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=1, y$w_buff1=0, y$w_buff1_used=0, y=0]
[L801] 2 y = y$w_buff0_used && y$r_buff0_thd2 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd2 ? y$w_buff1 : y)
[L802] 2 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$w_buff0_used
[L803] 2 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$w_buff1_used
[L804] 2 y$r_buff0_thd2 = y$w_buff0_used && y$r_buff0_thd2 ? (_Bool)0 : y$r_buff0_thd2
[L805] 2 y$r_buff1_thd2 = y$w_buff0_used && y$r_buff0_thd2 || y$w_buff1_used && y$r_buff1_thd2 ? (_Bool)0 : y$r_buff1_thd2
VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1]
[L808] 2 __unbuffered_cnt = __unbuffered_cnt + 1
VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1]
[L810] 2 return 0;
[L764] 1 __unbuffered_cnt = __unbuffered_cnt + 1
VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1]
[L828] 0 main$tmp_guard0 = __unbuffered_cnt == 2
VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1761=-1, t1762=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1]
[L830] CALL 0 assume_abort_if_not(main$tmp_guard0)
[L4] COND FALSE 0 !(!cond)
[L830] RET 0 assume_abort_if_not(main$tmp_guard0)
[L832] 0 y = y$w_buff0_used && y$r_buff0_thd0 ? y$w_buff0 : (y$w_buff1_used && y$r_buff1_thd0 ? y$w_buff1 : y)
[L833] 0 y$w_buff0_used = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$w_buff0_used
[L834] 0 y$w_buff1_used = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$w_buff1_used
[L835] 0 y$r_buff0_thd0 = y$w_buff0_used && y$r_buff0_thd0 ? (_Bool)0 : y$r_buff0_thd0
[L836] 0 y$r_buff1_thd0 = y$w_buff0_used && y$r_buff0_thd0 || y$w_buff1_used && y$r_buff1_thd0 ? (_Bool)0 : y$r_buff1_thd0
VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1761=-1, t1762=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1]
[L839] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0)
VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1761=-1, t1762=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1]
[L841] CALL 0 __VERIFIER_assert(main$tmp_guard1)
[L19] COND TRUE 0 !expression
VAL [\old(arg)={0:0}, \old(expression)=0, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1]
[L19] 0 reach_error()
VAL [\old(arg)={0:0}, \old(expression)=0, __unbuffered_cnt=2, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x=1, y$flush_delayed=0, y$mem_tmp=0, y$r_buff0_thd0=0, y$r_buff0_thd1=0, y$r_buff0_thd2=1, y$r_buff1_thd0=0, y$r_buff1_thd1=0, y$r_buff1_thd2=0, y$read_delayed=0, y$read_delayed_var={0:0}, y$w_buff0=1, y$w_buff0_used=0, y$w_buff1=0, y$w_buff1_used=0, y=1]
- UnprovableResult [Line: 824]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- UnprovableResult [Line: 826]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
CFG has 5 procedures, 51 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 79.3s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 59.1s, 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: 20, 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, 0.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 533 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: ConditionalCommutativityOverallTime: 17.9s, ConditionalCommutativityCheckTime: 17.9s, ConditionalCommutativityIAIntegrations: 0, ConditionalCommutativityDFSRestarts: 0, ConditionalCommutativityCommutingCounterexamples: 0, ConditionalCommutativityConditionCalculations: 1, ConditionalCommutativityTraceChecks: 1, ConditionalCommutativityImperfectProofs: 0
RESULT: Ultimate proved your program to be incorrect!
[2024-10-18 00:54:01,235 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 00:54:01,412 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UGemCutter-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE