./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix012_pso.opt_tso.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_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix012_pso.opt_tso.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX --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 118e824ffe62f75982c48ce1aa2c212500faccc3e6f3ef4066b7e12455b17249
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-05 08:11:40,462 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-05 08:11:40,513 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-12-05 08:11:40,517 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-05 08:11:40,518 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-05 08:11:40,535 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-05 08:11:40,536 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-05 08:11:40,536 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-05 08:11:40,536 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-05 08:11:40,536 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-05 08:11:40,537 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-05 08:11:40,537 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-05 08:11:40,537 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-05 08:11:40,537 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-05 08:11:40,537 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-05 08:11:40,537 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-12-05 08:11:40,537 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-05 08:11:40,537 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-12-05 08:11:40,537 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-05 08:11:40,537 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-05 08:11:40,537 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-05 08:11:40,537 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-05 08:11:40,538 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-12-05 08:11:40,538 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-05 08:11:40,538 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-05 08:11:40,538 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-05 08:11:40,538 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-05 08:11:40,538 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-05 08:11:40,538 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-12-05 08:11:40,538 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-05 08:11:40,538 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-12-05 08:11:40,538 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-05 08:11:40,538 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-05 08:11:40,538 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-05 08:11:40,538 INFO  L153        SettingsManager]:  * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT
[2024-12-05 08:11:40,538 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-05 08:11:40,539 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-05 08:11:40,539 INFO  L153        SettingsManager]:  * DFS Order used in POR=LOOP_LOCKSTEP
[2024-12-05 08:11:40,539 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-05 08:11:40,539 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-05 08:11:40,539 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-12-05 08:11:40,539 INFO  L153        SettingsManager]:  * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-12-05 08:11:40,539 INFO  L153        SettingsManager]:  * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-12-05 08:11:40,539 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_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX
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 -> 118e824ffe62f75982c48ce1aa2c212500faccc3e6f3ef4066b7e12455b17249
[2024-12-05 08:11:40,771 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-05 08:11:40,779 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-05 08:11:40,781 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-05 08:11:40,782 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-05 08:11:40,783 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-05 08:11:40,784 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX/../../sv-benchmarks/c/pthread-wmm/mix012_pso.opt_tso.opt.i
[2024-12-05 08:11:43,465 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX/data/039cbb8c4/1dc1612906b24652ac7e956e4c6d1b42/FLAG232b2582f
[2024-12-05 08:11:43,708 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-05 08:11:43,709 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/sv-benchmarks/c/pthread-wmm/mix012_pso.opt_tso.opt.i
[2024-12-05 08:11:43,721 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX/data/039cbb8c4/1dc1612906b24652ac7e956e4c6d1b42/FLAG232b2582f
[2024-12-05 08:11:43,736 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX/data/039cbb8c4/1dc1612906b24652ac7e956e4c6d1b42
[2024-12-05 08:11:43,738 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-05 08:11:43,739 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-05 08:11:43,741 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-05 08:11:43,741 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-05 08:11:43,744 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-05 08:11:43,745 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:11:43" (1/1) ...
[2024-12-05 08:11:43,745 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1bfc1889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:43, skipping insertion in model container
[2024-12-05 08:11:43,745 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 08:11:43" (1/1) ...
[2024-12-05 08:11:43,773 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-05 08:11:43,894 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_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/sv-benchmarks/c/pthread-wmm/mix012_pso.opt_tso.opt.i[999,1012]
[2024-12-05 08:11:44,044 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-05 08:11:44,054 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-05 08:11:44,063 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_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/sv-benchmarks/c/pthread-wmm/mix012_pso.opt_tso.opt.i[999,1012]
[2024-12-05 08:11:44,110 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-05 08:11:44,138 INFO  L204         MainTranslator]: Completed translation
[2024-12-05 08:11:44,138 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:44 WrapperNode
[2024-12-05 08:11:44,138 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-05 08:11:44,139 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-05 08:11:44,139 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-05 08:11:44,139 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-05 08:11:44,145 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:44" (1/1) ...
[2024-12-05 08:11:44,157 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:44" (1/1) ...
[2024-12-05 08:11:44,179 INFO  L138                Inliner]: procedures = 174, calls = 35, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 127
[2024-12-05 08:11:44,180 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-05 08:11:44,180 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-05 08:11:44,180 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-05 08:11:44,180 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-05 08:11:44,188 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:44" (1/1) ...
[2024-12-05 08:11:44,188 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:44" (1/1) ...
[2024-12-05 08:11:44,191 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:44" (1/1) ...
[2024-12-05 08:11:44,191 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:44" (1/1) ...
[2024-12-05 08:11:44,198 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:44" (1/1) ...
[2024-12-05 08:11:44,200 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:44" (1/1) ...
[2024-12-05 08:11:44,202 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:44" (1/1) ...
[2024-12-05 08:11:44,204 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:44" (1/1) ...
[2024-12-05 08:11:44,205 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:44" (1/1) ...
[2024-12-05 08:11:44,208 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-05 08:11:44,209 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-05 08:11:44,209 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-05 08:11:44,209 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-05 08:11:44,210 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:44" (1/1) ...
[2024-12-05 08:11:44,215 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-12-05 08:11:44,229 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 08:11:44,239 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-12-05 08:11:44,242 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-12-05 08:11:44,261 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-12-05 08:11:44,261 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-05 08:11:44,261 INFO  L130     BoogieDeclarations]: Found specification of procedure P0
[2024-12-05 08:11:44,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure P0
[2024-12-05 08:11:44,261 INFO  L130     BoogieDeclarations]: Found specification of procedure P1
[2024-12-05 08:11:44,261 INFO  L138     BoogieDeclarations]: Found implementation of procedure P1
[2024-12-05 08:11:44,261 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-12-05 08:11:44,262 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-12-05 08:11:44,262 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-05 08:11:44,262 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-05 08:11:44,263 WARN  L203             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-12-05 08:11:44,376 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-05 08:11:44,378 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-05 08:11:44,652 INFO  L279             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-05 08:11:44,652 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-05 08:11:44,841 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-05 08:11:44,841 INFO  L312             CfgBuilder]: Removed 0 assume(true) statements.
[2024-12-05 08:11:44,842 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:11:44 BoogieIcfgContainer
[2024-12-05 08:11:44,842 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-05 08:11:44,844 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-05 08:11:44,844 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-05 08:11:44,849 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-05 08:11:44,849 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 05.12 08:11:43" (1/3) ...
[2024-12-05 08:11:44,850 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dcf5834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:11:44, skipping insertion in model container
[2024-12-05 08:11:44,850 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 08:11:44" (2/3) ...
[2024-12-05 08:11:44,850 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@dcf5834 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 05.12 08:11:44, skipping insertion in model container
[2024-12-05 08:11:44,850 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:11:44" (3/3) ...
[2024-12-05 08:11:44,851 INFO  L128   eAbstractionObserver]: Analyzing ICFG mix012_pso.opt_tso.opt.i
[2024-12-05 08:11:44,866 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-05 08:11:44,868 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG mix012_pso.opt_tso.opt.i that has 3 procedures, 31 locations, 1 initial locations, 0 loop locations, and 2 error locations.
[2024-12-05 08:11:44,868 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-05 08:11:44,922 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-05 08:11:44,969 INFO  L125   denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-05 08:11:44,970 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-12-05 08:11:44,970 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX/z3
[2024-12-05 08:11:44,972 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-12-05 08:11:44,973 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-12-05 08:11:45,042 INFO  L177   artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-12-05 08:11:45,059 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-12-05 08:11:45,067 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;@40a1c99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-05 08:11:45,067 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-12-05 08:11:51,412 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-12-05 08:11:51,413 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:11:51,413 INFO  L139   ounterexampleChecker]: Examining path program with hash 794791494, occurence #1
[2024-12-05 08:11:51,413 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 08:11:51,413 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:11:51,417 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:11:51,418 INFO  L85        PathProgramCache]: Analyzing trace with hash -795174172, now seen corresponding path program 1 times
[2024-12-05 08:11:51,425 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:11:51,425 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718506908]
[2024-12-05 08:11:51,425 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 08:11:51,426 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:11:51,553 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 08:11:51,898 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 08:11:51,898 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:11:51,898 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718506908]
[2024-12-05 08:11:51,899 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718506908] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 08:11:51,899 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 08:11:51,900 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-12-05 08:11:51,901 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339413470]
[2024-12-05 08:11:51,901 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 08:11:51,905 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-12-05 08:11:51,905 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:11:51,924 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-12-05 08:11:51,924 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-12-05 08:11:51,925 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 08:11:51,926 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:11:51,927 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 4.666666666666667) internal successors, (14), 2 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)
[2024-12-05 08:11:51,928 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 08:12:04,398 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-05 08:12:04,399 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-05 08:12:04,399 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-12-05 08:12:04,399 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:12:04,399 INFO  L139   ounterexampleChecker]: Examining path program with hash -642034807, occurence #1
[2024-12-05 08:12:04,399 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 08:12:04,399 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:12:04,400 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:12:04,400 INFO  L85        PathProgramCache]: Analyzing trace with hash -211164436, now seen corresponding path program 1 times
[2024-12-05 08:12:04,400 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:12:04,400 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868930930]
[2024-12-05 08:12:04,400 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 08:12:04,400 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:12:04,490 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 08:12:04,703 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 08:12:04,703 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:12:04,703 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868930930]
[2024-12-05 08:12:04,703 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868930930] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 08:12:04,703 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 08:12:04,704 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-12-05 08:12:04,704 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697207397]
[2024-12-05 08:12:04,704 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 08:12:04,705 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-12-05 08:12:04,705 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:12:04,705 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-12-05 08:12:04,705 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-12-05 08:12:04,705 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 08:12:04,706 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:12:04,706 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)
[2024-12-05 08:12:04,706 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-12-05 08:12:04,706 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 08:12:09,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-05 08:12:09,454 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-05 08:12:09,455 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-12-05 08:12:09,455 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-12-05 08:12:09,455 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:12:09,455 INFO  L139   ounterexampleChecker]: Examining path program with hash -70068517, occurence #1
[2024-12-05 08:12:09,455 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 08:12:09,455 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:12:09,455 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:12:09,456 INFO  L85        PathProgramCache]: Analyzing trace with hash -207270102, now seen corresponding path program 1 times
[2024-12-05 08:12:09,456 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:12:09,456 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993977635]
[2024-12-05 08:12:09,456 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-05 08:12:09,456 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:12:09,542 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-05 08:12:11,156 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-05 08:12:11,156 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-05 08:12:11,157 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993977635]
[2024-12-05 08:12:11,157 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1993977635] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-05 08:12:11,157 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-05 08:12:11,157 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-12-05 08:12:11,157 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796395900]
[2024-12-05 08:12:11,157 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-05 08:12:11,157 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-12-05 08:12:11,157 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-05 08:12:11,158 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-12-05 08:12:11,158 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2024-12-05 08:12:11,158 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 08:12:11,158 INFO  L471      AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-12-05 08:12:11,158 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 9 states, 9 states have (on average 2.6666666666666665) internal successors, (24), 8 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-12-05 08:12:11,158 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. 
[2024-12-05 08:12:11,158 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. 
[2024-12-05 08:12:11,158 INFO  L154   InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. 
[2024-12-05 08:12:19,052 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-12-05 08:12:19,052 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. 
[2024-12-05 08:12:19,052 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. 
[2024-12-05 08:12:19,053 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-12-05 08:12:19,053 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-12-05 08:12:19,053 INFO  L305   artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-12-05 08:12:19,053 INFO  L139   ounterexampleChecker]: Examining path program with hash -4990049, occurence #1
[2024-12-05 08:12:19,053 INFO  L141   ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-12-05 08:12:19,053 INFO  L316   artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-12-05 08:12:19,053 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-05 08:12:19,053 INFO  L85        PathProgramCache]: Analyzing trace with hash -1241468582, now seen corresponding path program 2 times
[2024-12-05 08:12:19,053 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-05 08:12:19,054 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1731017956]
[2024-12-05 08:12:19,054 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-12-05 08:12:19,054 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-05 08:12:19,112 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-12-05 08:12:19,112 INFO  L230   tOrderPrioritization]: Conjunction of SSA is sat
[2024-12-05 08:12:19,112 INFO  L357             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-12-05 08:12:19,183 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-12-05 08:12:19,207 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-12-05 08:12:19,207 INFO  L340         BasicCegarLoop]: Counterexample is feasible
[2024-12-05 08:12:19,208 INFO  L782   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2024-12-05 08:12:19,209 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2024-12-05 08:12:19,210 INFO  L782   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2024-12-05 08:12:19,210 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-12-05 08:12:19,214 INFO  L422         BasicCegarLoop]: Path program histogram: [2, 1, 1]
[2024-12-05 08:12:19,215 INFO  L319   ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (1/2)
[2024-12-05 08:12:19,261 INFO  L241   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-12-05 08:12:19,262 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-12-05 08:12:19,272 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-12-05 08:12:19,272 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 05.12 08:12:19 BasicIcfg
[2024-12-05 08:12:19,272 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-05 08:12:19,273 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-05 08:12:19,273 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-12-05 08:12:19,273 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-12-05 08:12:19,274 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 08:11:44" (3/4) ...
[2024-12-05 08:12:19,274 INFO  L140         WitnessPrinter]: Generating witness for reachability counterexample
[2024-12-05 08:12:19,334 INFO  L129   tionWitnessGenerator]: Generated YAML witness of length 9.
[2024-12-05 08:12:19,371 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX/witness.graphml
[2024-12-05 08:12:19,371 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX/witness.yml
[2024-12-05 08:12:19,371 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-05 08:12:19,372 INFO  L158              Benchmark]: Toolchain (without parser) took 35632.80ms. Allocated memory was 117.4MB in the beginning and 536.9MB in the end (delta: 419.4MB). Free memory was 91.0MB in the beginning and 304.9MB in the end (delta: -213.9MB). Peak memory consumption was 207.0MB. Max. memory is 16.1GB.
[2024-12-05 08:12:19,372 INFO  L158              Benchmark]: CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 08:12:19,373 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 398.19ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 67.2MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-12-05 08:12:19,373 INFO  L158              Benchmark]: Boogie Procedure Inliner took 40.40ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 64.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 08:12:19,373 INFO  L158              Benchmark]: Boogie Preprocessor took 27.97ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 63.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-05 08:12:19,374 INFO  L158              Benchmark]: RCFGBuilder took 633.13ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 65.6MB in the end (delta: -2.3MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB.
[2024-12-05 08:12:19,374 INFO  L158              Benchmark]: TraceAbstraction took 34428.36ms. Allocated memory was 117.4MB in the beginning and 536.9MB in the end (delta: 419.4MB). Free memory was 65.1MB in the beginning and 315.6MB in the end (delta: -250.5MB). Peak memory consumption was 168.0MB. Max. memory is 16.1GB.
[2024-12-05 08:12:19,374 INFO  L158              Benchmark]: Witness Printer took 98.19ms. Allocated memory is still 536.9MB. Free memory was 315.6MB in the beginning and 304.9MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-05 08:12:19,376 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.25ms. Allocated memory is still 117.4MB. Free memory was 72.7MB in the beginning and 72.6MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 398.19ms. Allocated memory is still 117.4MB. Free memory was 90.8MB in the beginning and 67.2MB in the end (delta: 23.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 40.40ms. Allocated memory is still 117.4MB. Free memory was 67.2MB in the beginning and 64.8MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB.
 * Boogie Preprocessor took 27.97ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 63.2MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 633.13ms. Allocated memory is still 117.4MB. Free memory was 63.2MB in the beginning and 65.6MB in the end (delta: -2.3MB). Peak memory consumption was 30.6MB. Max. memory is 16.1GB.
 * TraceAbstraction took 34428.36ms. Allocated memory was 117.4MB in the beginning and 536.9MB in the end (delta: 419.4MB). Free memory was 65.1MB in the beginning and 315.6MB in the end (delta: -250.5MB). Peak memory consumption was 168.0MB. Max. memory is 16.1GB.
 * Witness Printer took 98.19ms. Allocated memory is still 536.9MB. Free memory was 315.6MB in the beginning and 304.9MB in the end (delta: 10.7MB). 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: 490, independent: 463, independent conditional: 209, independent unconditional: 254, dependent: 27, dependent conditional: 10, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 486, independent: 463, independent conditional: 209, independent unconditional: 254, dependent: 23, dependent conditional: 6, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 486, independent: 463, independent conditional: 209, independent unconditional: 254, dependent: 23, dependent conditional: 6, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 503, independent: 463, independent conditional: 209, independent unconditional: 254, dependent: 40, dependent conditional: 23, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 503, independent: 463, independent conditional: 3, independent unconditional: 460, dependent: 40, dependent conditional: 6, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 503, independent: 463, independent conditional: 3, independent unconditional: 460, dependent: 40, dependent conditional: 6, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 276, independent: 257, independent conditional: 3, independent unconditional: 254, dependent: 19, dependent conditional: 2, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 276, independent: 251, independent conditional: 0, independent unconditional: 251, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 25, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 19, dependent conditional: 2, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 19, dependent conditional: 2, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31043, independent: 74, independent conditional: 24, independent unconditional: 50, dependent: 30970, dependent conditional: 2798, dependent unconditional: 28172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 503, independent: 206, independent conditional: 0, independent unconditional: 206, dependent: 21, dependent conditional: 4, dependent unconditional: 17, unknown: 276, unknown conditional: 5, unknown unconditional: 271] , Statistics on independence cache: Total cache size (in pairs): 276, Positive cache size: 257, Positive conditional cache size: 3, Positive unconditional cache size: 254, Negative cache size: 19, Negative conditional cache size: 2, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 223, Maximal queried relation: 2, Independence queries for same thread: 4, Persistent sets #1 benchmarks: Persistent set computation time: 28.3s, Number of persistent set computation: 68, Number of trivial persistent sets: 33, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 271, independent: 254, independent conditional: 0, independent unconditional: 254, dependent: 17, dependent conditional: 0, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 490, independent: 463, independent conditional: 209, independent unconditional: 254, dependent: 27, dependent conditional: 10, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 486, independent: 463, independent conditional: 209, independent unconditional: 254, dependent: 23, dependent conditional: 6, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 486, independent: 463, independent conditional: 209, independent unconditional: 254, dependent: 23, dependent conditional: 6, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 503, independent: 463, independent conditional: 209, independent unconditional: 254, dependent: 40, dependent conditional: 23, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 503, independent: 463, independent conditional: 3, independent unconditional: 460, dependent: 40, dependent conditional: 6, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 503, independent: 463, independent conditional: 3, independent unconditional: 460, dependent: 40, dependent conditional: 6, dependent unconditional: 34, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 276, independent: 257, independent conditional: 3, independent unconditional: 254, dependent: 19, dependent conditional: 2, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 276, independent: 251, independent conditional: 0, independent unconditional: 251, dependent: 25, dependent conditional: 0, dependent unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 25, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 19, dependent conditional: 2, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 19, dependent conditional: 2, dependent unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 31043, independent: 74, independent conditional: 24, independent unconditional: 50, dependent: 30970, dependent conditional: 2798, dependent unconditional: 28172, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 503, independent: 206, independent conditional: 0, independent unconditional: 206, dependent: 21, dependent conditional: 4, dependent unconditional: 17, unknown: 276, unknown conditional: 5, unknown unconditional: 271] , Statistics on independence cache: Total cache size (in pairs): 276, Positive cache size: 257, Positive conditional cache size: 3, Positive unconditional cache size: 254, Negative cache size: 19, Negative conditional cache size: 2, Negative unconditional cache size: 17, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 223, Maximal queried relation: 2, Independence queries for same thread: 4
  - 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$tmp_guard1;
[L719]               0  int x = 0;
[L720]               0  _Bool x$flush_delayed;
[L721]               0  int x$mem_tmp;
[L722]               0  _Bool x$r_buff0_thd0;
[L723]               0  _Bool x$r_buff0_thd1;
[L724]               0  _Bool x$r_buff0_thd2;
[L725]               0  _Bool x$r_buff1_thd0;
[L726]               0  _Bool x$r_buff1_thd1;
[L727]               0  _Bool x$r_buff1_thd2;
[L728]               0  _Bool x$read_delayed;
[L729]               0  int *x$read_delayed_var;
[L730]               0  int x$w_buff0;
[L731]               0  _Bool x$w_buff0_used;
[L732]               0  int x$w_buff1;
[L733]               0  _Bool x$w_buff1_used;
[L735]               0  int y = 0;
[L736]               0  _Bool weak$$choice0;
[L737]               0  _Bool weak$$choice2;
[L821]               0  pthread_t t311;
[L822]  FCALL, FORK  0  pthread_create(&t311, ((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, t311=-1, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0]
[L823]               0  pthread_t t312;
[L824]  FCALL, FORK  0  pthread_create(&t312, ((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, t311=-1, t312=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=0, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=0, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0]
[L769]               2  x$w_buff1 = x$w_buff0
[L770]               2  x$w_buff0 = 1
[L771]               2  x$w_buff1_used = x$w_buff0_used
[L772]               2  x$w_buff0_used = (_Bool)1
[L773]  CALL         2  __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used))
[L19]   COND FALSE   2  !(!expression)
[L773]  RET          2  __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used))
[L774]               2  x$r_buff1_thd0 = x$r_buff0_thd0
[L775]               2  x$r_buff1_thd1 = x$r_buff0_thd1
[L776]               2  x$r_buff1_thd2 = x$r_buff0_thd2
[L777]               2  x$r_buff0_thd2 = (_Bool)1
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=0, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0]
[L780]               2  weak$$choice0 = __VERIFIER_nondet_bool()
[L781]               2  weak$$choice2 = __VERIFIER_nondet_bool()
[L782]               2  x$flush_delayed = weak$$choice2
[L783]               2  x$mem_tmp = x
[L784]               2  x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1)
[L785]               2  x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff0))
[L786]               2  x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1))
[L787]               2  x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used))
[L788]               2  x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L789]               2  x$r_buff0_thd2 = weak$$choice2 ? x$r_buff0_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff0_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2))
[L790]               2  x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L791]               2  __unbuffered_p1_EAX = x
[L792]               2  x = x$flush_delayed ? x$mem_tmp : x
[L793]               2  x$flush_delayed = (_Bool)0
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0]
[L796]               2  __unbuffered_p1_EBX = y
        VAL             [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0]
[L741]               1  y = 1
        VAL             [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1]
[L744]               1  weak$$choice0 = __VERIFIER_nondet_bool()
[L745]               1  weak$$choice2 = __VERIFIER_nondet_bool()
[L746]               1  x$flush_delayed = weak$$choice2
[L747]               1  x$mem_tmp = x
[L748]               1  x = !x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff1)
[L749]               1  x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0))
[L750]               1  x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff1 : x$w_buff1))
[L751]               1  x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used))
[L752]               1  x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L753]               1  x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1))
[L754]               1  x$r_buff1_thd1 = weak$$choice2 ? x$r_buff1_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff1_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L755]               1  __unbuffered_p0_EAX = x
[L756]               1  x = x$flush_delayed ? x$mem_tmp : x
[L757]               1  x$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$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1]
[L799]               2  x = x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd2 ? x$w_buff1 : x)
[L800]               2  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used
[L801]               2  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$w_buff1_used
[L802]               2  x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2
[L803]               2  x$r_buff1_thd2 = x$w_buff0_used && x$r_buff0_thd2 || x$w_buff1_used && x$r_buff1_thd2 ? (_Bool)0 : x$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$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=1]
[L806]               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$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=1]
[L808]               2  return 0;
[L762]               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$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=1]
[L826]               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, t311=-1, t312=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=1]
[L828]  CALL         0  assume_abort_if_not(main$tmp_guard0)
[L4]    COND FALSE   0  !(!cond)
[L828]  RET          0  assume_abort_if_not(main$tmp_guard0)
[L830]               0  x = x$w_buff0_used && x$r_buff0_thd0 ? x$w_buff0 : (x$w_buff1_used && x$r_buff1_thd0 ? x$w_buff1 : x)
[L831]               0  x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used
[L832]               0  x$w_buff1_used = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$w_buff1_used
[L833]               0  x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0
[L834]               0  x$r_buff1_thd0 = x$w_buff0_used && x$r_buff0_thd0 || x$w_buff1_used && x$r_buff1_thd0 ? (_Bool)0 : x$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, t311=-1, t312=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=1]
[L837]               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, t311=-1, t312=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=1]
[L839]  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$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, 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$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=1]

  - UnprovableResult [Line: 822]: 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: 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. 
  - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
    CFG has 5 procedures, 49 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 34.2s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 31.5s, 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: 18, 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, 0.3s SatisfiabilityAnalysisTime, 2.2s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 356 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: 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!
[2024-12-05 08:12:19,390 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7c7bc6fd-d0f0-46f2-a059-c2ebcff1c388/bin/ugemcutter-verify-L2ppAeDwQX/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