./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix053.opt.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix053.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco --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 998817f829569afa1d1e3eda89c2594d280c8ae81957c207a6b68804966cf3a6
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-11-27 06:34:48,385 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-27 06:34:48,464 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-11-27 06:34:48,469 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-27 06:34:48,469 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-27 06:34:48,492 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-27 06:34:48,493 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-27 06:34:48,493 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-27 06:34:48,493 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-27 06:34:48,493 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-27 06:34:48,494 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-27 06:34:48,494 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-27 06:34:48,494 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-27 06:34:48,494 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-27 06:34:48,494 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-27 06:34:48,494 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-27 06:34:48,494 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-27 06:34:48,494 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-27 06:34:48,495 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-27 06:34:48,495 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-27 06:34:48,495 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-27 06:34:48,495 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-27 06:34:48,495 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-27 06:34:48,495 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-27 06:34:48,495 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-27 06:34:48,495 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-27 06:34:48,496 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-27 06:34:48,496 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-27 06:34:48,496 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-27 06:34:48,496 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-27 06:34:48,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-27 06:34:48,496 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-27 06:34:48,496 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-27 06:34:48,496 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-27 06:34:48,497 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT
[2024-11-27 06:34:48,497 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-27 06:34:48,497 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-27 06:34:48,497 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2024-11-27 06:34:48,497 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-27 06:34:48,497 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-27 06:34:48,497 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-11-27 06:34:48,497 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-11-27 06:34:48,497 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-11-27 06:34:48,498 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
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 -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco
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 -> 998817f829569afa1d1e3eda89c2594d280c8ae81957c207a6b68804966cf3a6
[2024-11-27 06:34:48,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-27 06:34:48,840 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-27 06:34:48,844 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-27 06:34:48,846 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-27 06:34:48,846 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-27 06:34:48,847 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco/../../sv-benchmarks/c/pthread-wmm/mix053.opt.i
[2024-11-27 06:34:51,929 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco/data/34977bc82/2e44d11f653745f4a6349f2258ef96a3/FLAG2b10fcf37
[2024-11-27 06:34:52,328 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-27 06:34:52,330 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/sv-benchmarks/c/pthread-wmm/mix053.opt.i
[2024-11-27 06:34:52,347 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco/data/34977bc82/2e44d11f653745f4a6349f2258ef96a3/FLAG2b10fcf37
[2024-11-27 06:34:52,374 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco/data/34977bc82/2e44d11f653745f4a6349f2258ef96a3
[2024-11-27 06:34:52,377 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-27 06:34:52,380 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-27 06:34:52,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-27 06:34:52,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-27 06:34:52,392 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-27 06:34:52,393 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:34:52" (1/1) ...
[2024-11-27 06:34:52,394 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66922a5a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:34:52, skipping insertion in model container
[2024-11-27 06:34:52,394 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.11 06:34:52" (1/1) ...
[2024-11-27 06:34:52,452 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-27 06:34:52,635 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/sv-benchmarks/c/pthread-wmm/mix053.opt.i[944,957]
[2024-11-27 06:34:52,857 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-27 06:34:52,871 INFO L200 MainTranslator]: Completed pre-run
[2024-11-27 06:34:52,884 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/sv-benchmarks/c/pthread-wmm/mix053.opt.i[944,957]
[2024-11-27 06:34:52,980 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-27 06:34:53,030 INFO L204 MainTranslator]: Completed translation
[2024-11-27 06:34:53,032 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:34:53 WrapperNode
[2024-11-27 06:34:53,033 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-27 06:34:53,034 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-27 06:34:53,034 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-27 06:34:53,035 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-27 06:34:53,043 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:34:53" (1/1) ...
[2024-11-27 06:34:53,064 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:34:53" (1/1) ...
[2024-11-27 06:34:53,101 INFO L138 Inliner]: procedures = 176, calls = 51, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 126
[2024-11-27 06:34:53,104 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-27 06:34:53,105 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-27 06:34:53,105 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-27 06:34:53,105 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-27 06:34:53,118 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:34:53" (1/1) ...
[2024-11-27 06:34:53,118 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:34:53" (1/1) ...
[2024-11-27 06:34:53,121 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:34:53" (1/1) ...
[2024-11-27 06:34:53,124 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:34:53" (1/1) ...
[2024-11-27 06:34:53,138 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:34:53" (1/1) ...
[2024-11-27 06:34:53,139 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:34:53" (1/1) ...
[2024-11-27 06:34:53,145 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:34:53" (1/1) ...
[2024-11-27 06:34:53,148 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:34:53" (1/1) ...
[2024-11-27 06:34:53,152 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:34:53" (1/1) ...
[2024-11-27 06:34:53,155 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-27 06:34:53,159 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-27 06:34:53,159 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-27 06:34:53,159 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-27 06:34:53,164 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:34:53" (1/1) ...
[2024-11-27 06:34:53,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-27 06:34:53,190 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:34:53,204 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-27 06:34:53,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-27 06:34:53,239 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-27 06:34:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-27 06:34:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-11-27 06:34:53,240 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-11-27 06:34:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-11-27 06:34:53,240 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-11-27 06:34:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2024-11-27 06:34:53,240 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2024-11-27 06:34:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure P3
[2024-11-27 06:34:53,240 INFO L138 BoogieDeclarations]: Found implementation of procedure P3
[2024-11-27 06:34:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-27 06:34:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-27 06:34:53,240 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-27 06:34:53,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-27 06:34:53,242 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-27 06:34:53,379 INFO L234 CfgBuilder]: Building ICFG
[2024-11-27 06:34:53,381 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-27 06:34:53,770 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-27 06:34:53,770 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-27 06:34:54,061 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-27 06:34:54,062 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-27 06:34:54,063 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:34:54 BoogieIcfgContainer
[2024-11-27 06:34:54,063 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-27 06:34:54,067 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-27 06:34:54,068 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-27 06:34:54,073 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-27 06:34:54,073 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.11 06:34:52" (1/3) ...
[2024-11-27 06:34:54,074 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38965537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:34:54, skipping insertion in model container
[2024-11-27 06:34:54,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.11 06:34:53" (2/3) ...
[2024-11-27 06:34:54,075 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@38965537 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.11 06:34:54, skipping insertion in model container
[2024-11-27 06:34:54,075 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:34:54" (3/3) ...
[2024-11-27 06:34:54,077 INFO L128 eAbstractionObserver]: Analyzing ICFG mix053.opt.i
[2024-11-27 06:34:54,092 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-27 06:34:54,095 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix053.opt.i that has 5 procedures, 48 locations, 1 initial locations, 0 loop locations, and 2 error locations.
[2024-11-27 06:34:54,096 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-27 06:34:54,171 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-27 06:34:54,236 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-27 06:34:54,236 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-11-27 06:34:54,236 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco/z3
[2024-11-27 06:34:54,239 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-11-27 06:34:54,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-11-27 06:34:54,344 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-27 06:34:54,364 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-11-27 06:34:54,373 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;@636ba674, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-27 06:34:54,373 INFO L334 AbstractCegarLoop]: Starting to check reachability of 5 error locations.
[2024-11-27 06:35:05,838 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-11-27 06:35:05,838 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:35:05,839 INFO L139 ounterexampleChecker]: Examining path program with hash 770468596, occurence #1
[2024-11-27 06:35:05,839 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-27 06:35:05,839 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:35:05,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:35:05,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1196258151, now seen corresponding path program 1 times
[2024-11-27 06:35:05,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 06:35:05,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993347126]
[2024-11-27 06:35:05,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:35:05,856 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:35:06,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 06:35:07,451 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:35:07,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 06:35:07,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993347126]
[2024-11-27 06:35:07,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993347126] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 06:35:07,454 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 06:35:07,455 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-27 06:35:07,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [492733351]
[2024-11-27 06:35:07,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 06:35:07,462 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-27 06:35:07,462 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 06:35:07,485 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-27 06:35:07,486 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-27 06:35:07,487 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-27 06:35:07,488 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:35:07,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.5) internal successors, (30), 3 states have internal predecessors, (30), 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)
[2024-11-27 06:35:07,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-27 06:35:09,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-27 06:35:09,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-27 06:35:09,438 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-11-27 06:35:09,438 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:35:09,439 INFO L139 ounterexampleChecker]: Examining path program with hash 1302631773, occurence #1
[2024-11-27 06:35:09,439 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-27 06:35:09,439 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:35:09,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:35:09,441 INFO L85 PathProgramCache]: Analyzing trace with hash 334819932, now seen corresponding path program 1 times
[2024-11-27 06:35:09,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 06:35:09,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2141306343]
[2024-11-27 06:35:09,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:35:09,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:35:09,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 06:35:09,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:35:09,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 06:35:09,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2141306343]
[2024-11-27 06:35:09,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2141306343] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 06:35:09,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 06:35:09,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6
[2024-11-27 06:35:09,904 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [849442910]
[2024-11-27 06:35:09,904 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 06:35:09,905 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-27 06:35:09,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 06:35:09,907 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-27 06:35:09,907 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42
[2024-11-27 06:35:09,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-27 06:35:09,908 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:35:09,908 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.857142857142857) internal successors, (34), 6 states have internal predecessors, (34), 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)
[2024-11-27 06:35:09,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-11-27 06:35:09,908 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-27 06:35:10,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-27 06:35:10,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-27 06:35:10,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-27 06:35:10,138 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-11-27 06:35:10,138 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:35:10,138 INFO L139 ounterexampleChecker]: Examining path program with hash -1413990270, occurence #1
[2024-11-27 06:35:10,138 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-27 06:35:10,138 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:35:10,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:35:10,139 INFO L85 PathProgramCache]: Analyzing trace with hash 1368818162, now seen corresponding path program 1 times
[2024-11-27 06:35:10,139 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 06:35:10,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499991781]
[2024-11-27 06:35:10,139 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-27 06:35:10,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:35:10,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-27 06:35:10,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:35:10,558 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 06:35:10,558 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499991781]
[2024-11-27 06:35:10,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499991781] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 06:35:10,558 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 06:35:10,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5
[2024-11-27 06:35:10,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1433029665]
[2024-11-27 06:35:10,558 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 06:35:10,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-27 06:35:10,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 06:35:10,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-27 06:35:10,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-27 06:35:10,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-27 06:35:10,560 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:35:10,561 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.8) internal successors, (39), 5 states have internal predecessors, (39), 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)
[2024-11-27 06:35:10,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-11-27 06:35:10,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-11-27 06:35:10,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-27 06:35:25,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-27 06:35:25,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-27 06:35:25,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-27 06:35:25,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-27 06:35:25,694 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-11-27 06:35:25,694 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:35:25,694 INFO L139 ounterexampleChecker]: Examining path program with hash 1191418751, occurence #1
[2024-11-27 06:35:25,694 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-27 06:35:25,694 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:35:25,695 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:35:25,696 INFO L85 PathProgramCache]: Analyzing trace with hash -400436680, now seen corresponding path program 2 times
[2024-11-27 06:35:25,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 06:35:25,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336474585]
[2024-11-27 06:35:25,696 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-27 06:35:25,696 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:35:25,760 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-27 06:35:25,761 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-27 06:35:26,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-27 06:35:26,458 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-27 06:35:26,458 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336474585]
[2024-11-27 06:35:26,458 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336474585] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-27 06:35:26,458 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-27 06:35:26,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7
[2024-11-27 06:35:26,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472718799]
[2024-11-27 06:35:26,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-27 06:35:26,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-27 06:35:26,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-27 06:35:26,459 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-27 06:35:26,460 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42
[2024-11-27 06:35:26,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-27 06:35:26,460 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-27 06:35:26,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.571428571428571) internal successors, (39), 7 states have internal predecessors, (39), 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)
[2024-11-27 06:35:26,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-11-27 06:35:26,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states.
[2024-11-27 06:35:26,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-11-27 06:35:26,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-27 06:35:38,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-27 06:35:38,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states.
[2024-11-27 06:35:38,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-27 06:35:38,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states.
[2024-11-27 06:35:38,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-27 06:35:38,093 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 2 more)] ===
[2024-11-27 06:35:38,093 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-27 06:35:38,094 INFO L139 ounterexampleChecker]: Examining path program with hash -630449909, occurence #1
[2024-11-27 06:35:38,094 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-27 06:35:38,094 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-27 06:35:38,095 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-27 06:35:38,095 INFO L85 PathProgramCache]: Analyzing trace with hash 1188022760, now seen corresponding path program 3 times
[2024-11-27 06:35:38,095 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-27 06:35:38,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1750443857]
[2024-11-27 06:35:38,095 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-27 06:35:38,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-27 06:35:38,158 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 1 check-sat command(s)
[2024-11-27 06:35:38,159 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat
[2024-11-27 06:35:38,160 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-27 06:35:38,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-27 06:35:38,329 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-27 06:35:38,329 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-27 06:35:38,331 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (4 of 5 remaining)
[2024-11-27 06:35:38,333 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (3 of 5 remaining)
[2024-11-27 06:35:38,333 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (2 of 5 remaining)
[2024-11-27 06:35:38,333 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 5 remaining)
[2024-11-27 06:35:38,333 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 5 remaining)
[2024-11-27 06:35:38,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-27 06:35:38,341 INFO L422 BasicCegarLoop]: Path program histogram: [3, 1, 1]
[2024-11-27 06:35:38,343 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN,UNKNOWN,UNKNOWN (1/2)
[2024-11-27 06:35:38,461 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-27 06:35:38,461 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-27 06:35:38,488 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-11-27 06:35:38,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.11 06:35:38 BasicIcfg
[2024-11-27 06:35:38,488 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-27 06:35:38,489 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-27 06:35:38,489 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-27 06:35:38,489 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-27 06:35:38,490 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.11 06:34:54" (3/4) ...
[2024-11-27 06:35:38,491 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-27 06:35:38,643 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 9.
[2024-11-27 06:35:38,707 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco/witness.graphml
[2024-11-27 06:35:38,708 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco/witness.yml
[2024-11-27 06:35:38,708 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-27 06:35:38,709 INFO L158 Benchmark]: Toolchain (without parser) took 46329.35ms. Allocated memory was 117.4MB in the beginning and 880.8MB in the end (delta: 763.4MB). Free memory was 91.1MB in the beginning and 771.3MB in the end (delta: -680.2MB). Peak memory consumption was 80.3MB. Max. memory is 16.1GB.
[2024-11-27 06:35:38,709 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-27 06:35:38,710 INFO L158 Benchmark]: CACSL2BoogieTranslator took 651.56ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 67.8MB in the end (delta: 23.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-27 06:35:38,710 INFO L158 Benchmark]: Boogie Procedure Inliner took 70.77ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 65.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-27 06:35:38,710 INFO L158 Benchmark]: Boogie Preprocessor took 53.06ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 64.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-27 06:35:38,710 INFO L158 Benchmark]: RCFGBuilder took 904.46ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 71.9MB in the end (delta: -7.7MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB.
[2024-11-27 06:35:38,711 INFO L158 Benchmark]: TraceAbstraction took 44421.13ms. Allocated memory was 117.4MB in the beginning and 880.8MB in the end (delta: 763.4MB). Free memory was 71.3MB in the beginning and 795.5MB in the end (delta: -724.2MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB.
[2024-11-27 06:35:38,711 INFO L158 Benchmark]: Witness Printer took 218.68ms. Allocated memory is still 880.8MB. Free memory was 795.5MB in the beginning and 771.3MB in the end (delta: 24.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-27 06:35:38,714 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 73.1MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 651.56ms. Allocated memory is still 117.4MB. Free memory was 91.1MB in the beginning and 67.8MB in the end (delta: 23.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 70.77ms. Allocated memory is still 117.4MB. Free memory was 67.8MB in the beginning and 65.7MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 53.06ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 64.2MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 904.46ms. Allocated memory is still 117.4MB. Free memory was 64.2MB in the beginning and 71.9MB in the end (delta: -7.7MB). Peak memory consumption was 39.2MB. Max. memory is 16.1GB.
* TraceAbstraction took 44421.13ms. Allocated memory was 117.4MB in the beginning and 880.8MB in the end (delta: 763.4MB). Free memory was 71.3MB in the beginning and 795.5MB in the end (delta: -724.2MB). Peak memory consumption was 41.1MB. Max. memory is 16.1GB.
* Witness Printer took 218.68ms. Allocated memory is still 880.8MB. Free memory was 795.5MB in the beginning and 771.3MB in the end (delta: 24.2MB). Peak memory consumption was 16.8MB. 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: 48107, independent: 47215, independent conditional: 46098, independent unconditional: 1117, dependent: 892, dependent conditional: 862, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48014, independent: 47215, independent conditional: 46098, independent unconditional: 1117, dependent: 799, dependent conditional: 769, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 48014, independent: 47215, independent conditional: 46098, independent unconditional: 1117, dependent: 799, dependent conditional: 769, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52054, independent: 47215, independent conditional: 46098, independent unconditional: 1117, dependent: 4839, dependent conditional: 4809, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 52054, independent: 47215, independent conditional: 1327, independent unconditional: 45888, dependent: 4839, dependent conditional: 64, dependent unconditional: 4775, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 52054, independent: 47215, independent conditional: 1327, independent unconditional: 45888, dependent: 4839, dependent conditional: 64, dependent unconditional: 4775, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1173, independent: 1139, independent conditional: 22, independent unconditional: 1117, dependent: 34, dependent conditional: 3, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1173, independent: 1102, independent conditional: 0, independent unconditional: 1102, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 71, independent: 37, independent conditional: 22, independent unconditional: 15, dependent: 34, dependent conditional: 3, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 71, independent: 37, independent conditional: 22, independent unconditional: 15, dependent: 34, dependent conditional: 3, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37843, independent: 1833, independent conditional: 1655, independent unconditional: 178, dependent: 36010, dependent conditional: 10968, dependent unconditional: 25042, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 52054, independent: 46076, independent conditional: 1305, independent unconditional: 44771, dependent: 4805, dependent conditional: 61, dependent unconditional: 4744, unknown: 1173, unknown conditional: 25, unknown unconditional: 1148] , Statistics on independence cache: Total cache size (in pairs): 1173, Positive cache size: 1139, Positive conditional cache size: 22, Positive unconditional cache size: 1117, Negative cache size: 34, Negative conditional cache size: 3, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 49516, Maximal queried relation: 3, Independence queries for same thread: 93, Persistent sets #1 benchmarks: Persistent set computation time: 23.9s, Number of persistent set computation: 3543, Number of trivial persistent sets: 1834, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1147, independent: 1117, independent conditional: 0, independent unconditional: 1117, dependent: 30, dependent conditional: 0, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 48107, independent: 47215, independent conditional: 46098, independent unconditional: 1117, dependent: 892, dependent conditional: 862, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 48014, independent: 47215, independent conditional: 46098, independent unconditional: 1117, dependent: 799, dependent conditional: 769, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 48014, independent: 47215, independent conditional: 46098, independent unconditional: 1117, dependent: 799, dependent conditional: 769, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 52054, independent: 47215, independent conditional: 46098, independent unconditional: 1117, dependent: 4839, dependent conditional: 4809, dependent unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 52054, independent: 47215, independent conditional: 1327, independent unconditional: 45888, dependent: 4839, dependent conditional: 64, dependent unconditional: 4775, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 52054, independent: 47215, independent conditional: 1327, independent unconditional: 45888, dependent: 4839, dependent conditional: 64, dependent unconditional: 4775, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1173, independent: 1139, independent conditional: 22, independent unconditional: 1117, dependent: 34, dependent conditional: 3, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1173, independent: 1102, independent conditional: 0, independent unconditional: 1102, dependent: 71, dependent conditional: 0, dependent unconditional: 71, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 71, independent: 37, independent conditional: 22, independent unconditional: 15, dependent: 34, dependent conditional: 3, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 71, independent: 37, independent conditional: 22, independent unconditional: 15, dependent: 34, dependent conditional: 3, dependent unconditional: 31, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 37843, independent: 1833, independent conditional: 1655, independent unconditional: 178, dependent: 36010, dependent conditional: 10968, dependent unconditional: 25042, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 52054, independent: 46076, independent conditional: 1305, independent unconditional: 44771, dependent: 4805, dependent conditional: 61, dependent unconditional: 4744, unknown: 1173, unknown conditional: 25, unknown unconditional: 1148] , Statistics on independence cache: Total cache size (in pairs): 1173, Positive cache size: 1139, Positive conditional cache size: 22, Positive unconditional cache size: 1117, Negative cache size: 34, Negative conditional cache size: 3, Negative unconditional cache size: 31, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 49516, Maximal queried relation: 3, Independence queries for same thread: 93
- CounterExampleResult [Line: 18]: a call to reach_error is reachable
a call to reach_error is reachable
We found a FailurePath:
[L710] 0 int __unbuffered_cnt = 0;
[L712] 0 int __unbuffered_p2_EAX = 0;
[L714] 0 int __unbuffered_p3_EAX = 0;
[L716] 0 int a = 0;
[L717] 0 _Bool main$tmp_guard0;
[L718] 0 _Bool main$tmp_guard1;
[L720] 0 int x = 0;
[L722] 0 int y = 0;
[L724] 0 int z = 0;
[L725] 0 _Bool z$flush_delayed;
[L726] 0 int z$mem_tmp;
[L727] 0 _Bool z$r_buff0_thd0;
[L728] 0 _Bool z$r_buff0_thd1;
[L729] 0 _Bool z$r_buff0_thd2;
[L730] 0 _Bool z$r_buff0_thd3;
[L731] 0 _Bool z$r_buff0_thd4;
[L732] 0 _Bool z$r_buff1_thd0;
[L733] 0 _Bool z$r_buff1_thd1;
[L734] 0 _Bool z$r_buff1_thd2;
[L735] 0 _Bool z$r_buff1_thd3;
[L736] 0 _Bool z$r_buff1_thd4;
[L737] 0 _Bool z$read_delayed;
[L738] 0 int *z$read_delayed_var;
[L739] 0 int z$w_buff0;
[L740] 0 _Bool z$w_buff0_used;
[L741] 0 int z$w_buff1;
[L742] 0 _Bool z$w_buff1_used;
[L743] 0 _Bool weak$$choice0;
[L744] 0 _Bool weak$$choice2;
[L844] 0 pthread_t t1413;
[L845] FCALL, FORK 0 pthread_create(&t1413, ((void *)0), P0, ((void *)0))
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t1413=-2, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L846] 0 pthread_t t1414;
[L847] FCALL, FORK 0 pthread_create(&t1414, ((void *)0), P1, ((void *)0))
VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, main$tmp_guard0=0, main$tmp_guard1=0, t1413=-2, t1414=-1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L848] 0 pthread_t t1415;
[L849] FCALL, FORK 0 pthread_create(&t1415, ((void *)0), P2, ((void *)0))
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1413=-2, t1414=-1, t1415=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L850] 0 pthread_t t1416;
[L851] FCALL, FORK 0 pthread_create(&t1416, ((void *)0), P3, ((void *)0))
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, t1413=-2, t1414=-1, t1415=0, t1416=1, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=0, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=0, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L806] 4 z$w_buff1 = z$w_buff0
[L807] 4 z$w_buff0 = 1
[L808] 4 z$w_buff1_used = z$w_buff0_used
[L809] 4 z$w_buff0_used = (_Bool)1
[L810] CALL 4 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used))
[L18] COND FALSE 4 !(!expression)
[L810] RET 4 __VERIFIER_assert(!(z$w_buff1_used && z$w_buff0_used))
[L811] 4 z$r_buff1_thd0 = z$r_buff0_thd0
[L812] 4 z$r_buff1_thd1 = z$r_buff0_thd1
[L813] 4 z$r_buff1_thd2 = z$r_buff0_thd2
[L814] 4 z$r_buff1_thd3 = z$r_buff0_thd3
[L815] 4 z$r_buff1_thd4 = z$r_buff0_thd4
[L816] 4 z$r_buff0_thd4 = (_Bool)1
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L819] 4 __unbuffered_p3_EAX = a
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=0, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L748] 1 a = 1
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=0, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L751] 1 x = 1
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=1, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L763] 2 x = 2
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=0, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L766] 2 y = 1
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L771] 2 __unbuffered_cnt = __unbuffered_cnt + 1
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=1, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L773] 2 return 0;
[L778] 3 y = 2
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L781] 3 weak$$choice0 = __VERIFIER_nondet_bool()
[L782] 3 weak$$choice2 = __VERIFIER_nondet_bool()
[L783] 3 z$flush_delayed = weak$$choice2
[L784] 3 z$mem_tmp = z
[L785] 3 z = !z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff1)
[L786] 3 z$w_buff0 = weak$$choice2 ? z$w_buff0 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff0 : z$w_buff0))
[L787] 3 z$w_buff1 = weak$$choice2 ? z$w_buff1 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1 : (z$w_buff0_used && z$r_buff0_thd3 ? z$w_buff1 : z$w_buff1))
[L788] 3 z$w_buff0_used = weak$$choice2 ? z$w_buff0_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff0_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$w_buff0_used))
[L789] 3 z$w_buff1_used = weak$$choice2 ? z$w_buff1_used : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$w_buff1_used : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L790] 3 z$r_buff0_thd3 = weak$$choice2 ? z$r_buff0_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff0_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : z$r_buff0_thd3))
[L791] 3 z$r_buff1_thd3 = weak$$choice2 ? z$r_buff1_thd3 : (!z$w_buff0_used || !z$r_buff0_thd3 && !z$w_buff1_used || !z$r_buff0_thd3 && !z$r_buff1_thd3 ? z$r_buff1_thd3 : (z$w_buff0_used && z$r_buff0_thd3 ? (_Bool)0 : (_Bool)0))
[L792] 3 __unbuffered_p2_EAX = z
[L793] 3 z = z$flush_delayed ? z$mem_tmp : z
[L794] 3 z$flush_delayed = (_Bool)0
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=1, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L799] 3 __unbuffered_cnt = __unbuffered_cnt + 1
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=1, z$w_buff1=0, z$w_buff1_used=0, z=0]
[L801] 3 return 0;
[L822] 4 z = z$w_buff0_used && z$r_buff0_thd4 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd4 ? z$w_buff1 : z)
[L823] 4 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$w_buff0_used
[L824] 4 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$w_buff1_used
[L825] 4 z$r_buff0_thd4 = z$w_buff0_used && z$r_buff0_thd4 ? (_Bool)0 : z$r_buff0_thd4
[L826] 4 z$r_buff1_thd4 = z$w_buff0_used && z$r_buff0_thd4 || z$w_buff1_used && z$r_buff1_thd4 ? (_Bool)0 : z$r_buff1_thd4
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=2, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L829] 4 __unbuffered_cnt = __unbuffered_cnt + 1
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=3, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L831] 4 return 0;
[L756] 1 __unbuffered_cnt = __unbuffered_cnt + 1
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L853] 0 main$tmp_guard0 = __unbuffered_cnt == 4
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1413=-2, t1414=-1, t1415=0, t1416=1, weak$$choice0=0, weak$$choice2=1, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L855] CALL 0 assume_abort_if_not(main$tmp_guard0)
[L3] COND FALSE 0 !(!cond)
[L855] RET 0 assume_abort_if_not(main$tmp_guard0)
[L857] 0 z = z$w_buff0_used && z$r_buff0_thd0 ? z$w_buff0 : (z$w_buff1_used && z$r_buff1_thd0 ? z$w_buff1 : z)
[L858] 0 z$w_buff0_used = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$w_buff0_used
[L859] 0 z$w_buff1_used = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$w_buff1_used
[L860] 0 z$r_buff0_thd0 = z$w_buff0_used && z$r_buff0_thd0 ? (_Bool)0 : z$r_buff0_thd0
[L861] 0 z$r_buff1_thd0 = z$w_buff0_used && z$r_buff0_thd0 || z$w_buff1_used && z$r_buff1_thd0 ? (_Bool)0 : z$r_buff1_thd0
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1413=-2, t1414=-1, t1415=0, t1416=1, weak$$choice0=0, weak$$choice2=1, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L864] 0 main$tmp_guard1 = !(x == 2 && y == 2 && __unbuffered_p2_EAX == 0 && __unbuffered_p3_EAX == 0)
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t1413=-2, t1414=-1, t1415=0, t1416=1, weak$$choice0=0, weak$$choice2=1, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L866] CALL 0 __VERIFIER_assert(main$tmp_guard1)
[L18] COND TRUE 0 !expression
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
[L18] 0 reach_error()
VAL [\old(arg)={0:0}, \old(arg)={0:0}, \old(arg)={0:0}, \old(expression)=0, \result={0:0}, \result={0:0}, __unbuffered_cnt=4, __unbuffered_p2_EAX=0, __unbuffered_p3_EAX=0, a=1, arg={0:0}, arg={0:0}, arg={0:0}, expression=0, main$tmp_guard0=1, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x=2, y=2, z$flush_delayed=0, z$mem_tmp=0, z$r_buff0_thd0=0, z$r_buff0_thd1=0, z$r_buff0_thd2=0, z$r_buff0_thd3=0, z$r_buff0_thd4=1, z$r_buff1_thd0=0, z$r_buff1_thd1=0, z$r_buff1_thd2=0, z$r_buff1_thd3=0, z$r_buff1_thd4=0, z$read_delayed=0, z$read_delayed_var={0:0}, z$w_buff0=1, z$w_buff0_used=0, z$w_buff1=0, z$w_buff1_used=0, z=1]
- UnprovableResult [Line: 851]: 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: 849]: 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: 845]: 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: 847]: 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 9 procedures, 81 locations, 7 error locations. Started 1 CEGAR loops. OverallTime: 44.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 3, EmptinessCheckTime: 40.4s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 23, 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, 0.4s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 181 NumberOfCodeBlocks, 181 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 138 ConstructedInterpolants, 0 QuantifiedInterpolants, 799 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: SuccessfulCommutativityProofs: 0, ConComChecker Statistics: CheckTime [ms]: 0, ConditionCalculationTime [ms]: 0, ConditionCalculations: 0, QuantifiedConditions: 0, TraceChecks: 0, UnknownTraceChecks: 0, ImperfectProofs: 0
RESULT: Ultimate proved your program to be incorrect!
[2024-11-27 06:35:38,739 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ee363a65-e82c-497a-86c9-2c8141d02749/bin/ugemcutter-verify-fG3NtRWMco/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
Writing human readable error path to file UltimateCounterExample.errorpath
Result:
FALSE