./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/mix000.opt.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for ERROR reachability
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca/config/GemCutterReach.xml -i ../../sv-benchmarks/c/pthread-wmm/mix000.opt.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca --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 fd6a5bc5d3f013f4ace97b77d830608c8280eaa5bc8f461c3acae231027617e4
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 11:22:42,642 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 11:22:42,720 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca/config/svcomp-Reach-32bit-GemCutter_Default.epf
[2024-11-23 11:22:42,725 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 11:22:42,726 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 11:22:42,749 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 11:22:42,749 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 11:22:42,749 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 11:22:42,750 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 11:22:42,750 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 11:22:42,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 11:22:42,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 11:22:42,750 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 11:22:42,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 11:22:42,751 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 11:22:42,751 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 11:22:42,751 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 11:22:42,751 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 11:22:42,751 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 11:22:42,751 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 11:22:42,751 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 11:22:42,751 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 11:22:42,752 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 11:22:42,752 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 11:22:42,752 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 11:22:42,752 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 11:22:42,752 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 11:22:42,752 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 11:22:42,752 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 11:22:42,752 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 11:22:42,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-23 11:22:42,753 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 11:22:42,753 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 11:22:42,753 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 11:22:42,753 INFO L153 SettingsManager]: * Commutativity condition synthesis=NECESSARY_AND_SUFFICIENT
[2024-11-23 11:22:42,753 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 11:22:42,753 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 11:22:42,753 INFO L153 SettingsManager]: * DFS Order used in POR=LOOP_LOCKSTEP
[2024-11-23 11:22:42,753 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 11:22:42,754 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 11:22:42,754 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA
[2024-11-23 11:22:42,754 INFO L153 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE
[2024-11-23 11:22:42,754 INFO L153 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER
[2024-11-23 11:22:42,754 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_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca
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 -> fd6a5bc5d3f013f4ace97b77d830608c8280eaa5bc8f461c3acae231027617e4
[2024-11-23 11:22:43,035 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 11:22:43,043 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 11:22:43,046 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 11:22:43,047 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 11:22:43,047 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 11:22:43,048 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca/../../sv-benchmarks/c/pthread-wmm/mix000.opt.i
[2024-11-23 11:22:46,232 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca/data/e3a3f74d2/986ffc38dd30409cab183b02230d0633/FLAG12268b5d1
[2024-11-23 11:22:46,659 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 11:22:46,660 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/sv-benchmarks/c/pthread-wmm/mix000.opt.i
[2024-11-23 11:22:46,683 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca/data/e3a3f74d2/986ffc38dd30409cab183b02230d0633/FLAG12268b5d1
[2024-11-23 11:22:46,708 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca/data/e3a3f74d2/986ffc38dd30409cab183b02230d0633
[2024-11-23 11:22:46,712 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 11:22:46,714 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 11:22:46,716 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 11:22:46,717 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 11:22:46,725 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 11:22:46,725 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:22:46" (1/1) ...
[2024-11-23 11:22:46,729 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a456b2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:46, skipping insertion in model container
[2024-11-23 11:22:46,729 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:22:46" (1/1) ...
[2024-11-23 11:22:46,779 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 11:22:46,975 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_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/sv-benchmarks/c/pthread-wmm/mix000.opt.i[987,1000]
[2024-11-23 11:22:47,293 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 11:22:47,304 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 11:22:47,321 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_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/sv-benchmarks/c/pthread-wmm/mix000.opt.i[987,1000]
[2024-11-23 11:22:47,382 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 11:22:47,418 INFO L204 MainTranslator]: Completed translation
[2024-11-23 11:22:47,418 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:47 WrapperNode
[2024-11-23 11:22:47,419 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 11:22:47,420 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 11:22:47,420 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 11:22:47,420 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 11:22:47,428 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:47" (1/1) ...
[2024-11-23 11:22:47,450 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:47" (1/1) ...
[2024-11-23 11:22:47,486 INFO L138 Inliner]: procedures = 174, calls = 37, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 128
[2024-11-23 11:22:47,491 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 11:22:47,491 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 11:22:47,491 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 11:22:47,492 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 11:22:47,501 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:47" (1/1) ...
[2024-11-23 11:22:47,502 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:47" (1/1) ...
[2024-11-23 11:22:47,504 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:47" (1/1) ...
[2024-11-23 11:22:47,509 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:47" (1/1) ...
[2024-11-23 11:22:47,516 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:47" (1/1) ...
[2024-11-23 11:22:47,517 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:47" (1/1) ...
[2024-11-23 11:22:47,519 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:47" (1/1) ...
[2024-11-23 11:22:47,520 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:47" (1/1) ...
[2024-11-23 11:22:47,522 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:47" (1/1) ...
[2024-11-23 11:22:47,524 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 11:22:47,525 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 11:22:47,525 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 11:22:47,526 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 11:22:47,526 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:47" (1/1) ...
[2024-11-23 11:22:47,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2024-11-23 11:22:47,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:22:47,565 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2024-11-23 11:22:47,574 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2024-11-23 11:22:47,599 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-23 11:22:47,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 11:22:47,600 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-11-23 11:22:47,600 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-11-23 11:22:47,600 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-11-23 11:22:47,601 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-11-23 11:22:47,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int
[2024-11-23 11:22:47,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-23 11:22:47,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 11:22:47,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 11:22:47,604 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-23 11:22:47,742 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 11:22:47,745 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 11:22:48,232 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-23 11:22:48,232 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 11:22:48,515 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 11:22:48,516 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-23 11:22:48,516 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:22:48 BoogieIcfgContainer
[2024-11-23 11:22:48,516 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 11:22:48,520 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 11:22:48,521 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 11:22:48,527 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 11:22:48,527 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:22:46" (1/3) ...
[2024-11-23 11:22:48,528 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2379e541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:22:48, skipping insertion in model container
[2024-11-23 11:22:48,528 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:22:47" (2/3) ...
[2024-11-23 11:22:48,530 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2379e541 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:22:48, skipping insertion in model container
[2024-11-23 11:22:48,530 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:22:48" (3/3) ...
[2024-11-23 11:22:48,531 INFO L128 eAbstractionObserver]: Analyzing ICFG mix000.opt.i
[2024-11-23 11:22:48,547 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 11:22:48,549 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG mix000.opt.i that has 3 procedures, 32 locations, 1 initial locations, 0 loop locations, and 2 error locations.
[2024-11-23 11:22:48,549 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-23 11:22:48,615 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-23 11:22:48,676 INFO L125 denceProviderFactory]: Independence Relation #1: [IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=true, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 11:22:48,678 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000
[2024-11-23 11:22:48,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca/z3
[2024-11-23 11:22:48,683 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null)
[2024-11-23 11:22:48,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process
[2024-11-23 11:22:48,772 INFO L177 artialOrderCegarLoop]: Running PartialOrderCegarLoop with 1 independence relations.
[2024-11-23 11:22:48,791 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ========
[2024-11-23 11:22:48,800 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;@7615caba, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 11:22:48,800 INFO L334 AbstractCegarLoop]: Starting to check reachability of 3 error locations.
[2024-11-23 11:22:55,228 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-23 11:22:55,228 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:22:55,228 INFO L139 ounterexampleChecker]: Examining path program with hash -1659836868, occurence #1
[2024-11-23 11:22:55,229 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-23 11:22:55,229 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:22:55,233 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:22:55,233 INFO L85 PathProgramCache]: Analyzing trace with hash -944979867, now seen corresponding path program 1 times
[2024-11-23 11:22:55,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 11:22:55,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1851172330]
[2024-11-23 11:22:55,242 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 11:22:55,242 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 11:22:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 11:22:56,051 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 11:22:56,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 11:22:56,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1851172330]
[2024-11-23 11:22:56,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1851172330] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 11:22:56,053 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 11:22:56,053 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 11:22:56,054 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1979795695]
[2024-11-23 11:22:56,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 11:22:56,063 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 11:22:56,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 11:22:56,087 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 11:22:56,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 11:22:56,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:22:56,090 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:22:56,092 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)
[2024-11-23 11:22:56,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:23:11,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:23:11,414 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 11:23:11,414 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-23 11:23:11,414 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:23:11,414 INFO L139 ounterexampleChecker]: Examining path program with hash -2072677085, occurence #1
[2024-11-23 11:23:11,414 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-23 11:23:11,415 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:23:11,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:23:11,415 INFO L85 PathProgramCache]: Analyzing trace with hash -1565621416, now seen corresponding path program 1 times
[2024-11-23 11:23:11,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 11:23:11,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738468955]
[2024-11-23 11:23:11,415 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 11:23:11,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 11:23:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 11:23:11,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 11:23:11,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 11:23:11,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [738468955]
[2024-11-23 11:23:11,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [738468955] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 11:23:11,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 11:23:11,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4
[2024-11-23 11:23:11,900 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510619686]
[2024-11-23 11:23:11,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 11:23:11,901 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 11:23:11,901 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 11:23:11,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 11:23:11,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-23 11:23:11,901 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:23:11,905 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:23:11,905 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)
[2024-11-23 11:23:11,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:23:11,905 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:23:17,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:23:17,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:23:17,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 11:23:17,461 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-23 11:23:17,461 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:23:17,462 INFO L139 ounterexampleChecker]: Examining path program with hash -1178387788, occurence #1
[2024-11-23 11:23:17,462 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-23 11:23:17,462 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:23:17,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:23:17,463 INFO L85 PathProgramCache]: Analyzing trace with hash 471507765, now seen corresponding path program 1 times
[2024-11-23 11:23:17,463 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 11:23:17,463 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2143582393]
[2024-11-23 11:23:17,463 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 11:23:17,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 11:23:17,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 11:23:20,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 11:23:20,635 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 11:23:20,635 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2143582393]
[2024-11-23 11:23:20,635 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2143582393] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 11:23:20,635 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 11:23:20,635 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8
[2024-11-23 11:23:20,636 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [85188795]
[2024-11-23 11:23:20,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 11:23:20,636 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states
[2024-11-23 11:23:20,636 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 11:23:20,637 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants.
[2024-11-23 11:23:20,637 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72
[2024-11-23 11:23:20,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:23:20,637 INFO L471 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states
[2024-11-23 11:23:20,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 2.7777777777777777) internal successors, (25), 8 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 11:23:20,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:23:20,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:23:20,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.
[2024-11-23 11:23:28,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 11:23:28,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 11:23:28,345 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states.
[2024-11-23 11:23:28,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 11:23:28,345 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] ===
[2024-11-23 11:23:28,345 INFO L305 artialOrderCegarLoop]: Trying commutativity condition synthesis.
[2024-11-23 11:23:28,345 INFO L139 ounterexampleChecker]: Examining path program with hash -1750487939, occurence #1
[2024-11-23 11:23:28,345 INFO L141 ounterexampleChecker]: Commutativity condition synthesis is only active after more than 2 occurrences. Skipping...
[2024-11-23 11:23:28,345 INFO L316 artialOrderCegarLoop]: No commutativity proof found, falling back to feasibility check.
[2024-11-23 11:23:28,346 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 11:23:28,346 INFO L85 PathProgramCache]: Analyzing trace with hash -675296245, now seen corresponding path program 2 times
[2024-11-23 11:23:28,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 11:23:28,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022896778]
[2024-11-23 11:23:28,346 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-23 11:23:28,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 11:23:28,462 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s)
[2024-11-23 11:23:28,462 INFO L230 tOrderPrioritization]: Conjunction of SSA is sat
[2024-11-23 11:23:28,462 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-23 11:23:28,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-23 11:23:28,585 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-23 11:23:28,585 INFO L340 BasicCegarLoop]: Counterexample is feasible
[2024-11-23 11:23:28,586 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining)
[2024-11-23 11:23:28,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining)
[2024-11-23 11:23:28,588 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining)
[2024-11-23 11:23:28,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-23 11:23:28,596 INFO L422 BasicCegarLoop]: Path program histogram: [2, 1, 1]
[2024-11-23 11:23:28,598 INFO L319 ceAbstractionStarter]: Result for error location ULTIMATE.start was UNSAFE,UNKNOWN,UNKNOWN (1/2)
[2024-11-23 11:23:28,682 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-23 11:23:28,687 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 11:23:28,702 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0
[2024-11-23 11:23:28,702 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:23:28 BasicIcfg
[2024-11-23 11:23:28,702 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 11:23:28,703 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 11:23:28,703 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 11:23:28,703 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 11:23:28,704 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:22:48" (3/4) ...
[2024-11-23 11:23:28,706 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample
[2024-11-23 11:23:28,822 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 9.
[2024-11-23 11:23:28,879 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca/witness.graphml
[2024-11-23 11:23:28,880 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca/witness.yml
[2024-11-23 11:23:28,881 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 11:23:28,882 INFO L158 Benchmark]: Toolchain (without parser) took 42167.90ms. Allocated memory was 142.6MB in the beginning and 755.0MB in the end (delta: 612.4MB). Free memory was 117.9MB in the beginning and 326.6MB in the end (delta: -208.8MB). Peak memory consumption was 398.6MB. Max. memory is 16.1GB.
[2024-11-23 11:23:28,883 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 11:23:28,884 INFO L158 Benchmark]: CACSL2BoogieTranslator took 702.81ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 93.8MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-23 11:23:28,885 INFO L158 Benchmark]: Boogie Procedure Inliner took 71.22ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 91.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 11:23:28,885 INFO L158 Benchmark]: Boogie Preprocessor took 33.30ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 11:23:28,885 INFO L158 Benchmark]: RCFGBuilder took 990.99ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 90.9MB in the end (delta: -995.0kB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB.
[2024-11-23 11:23:28,886 INFO L158 Benchmark]: TraceAbstraction took 40182.05ms. Allocated memory was 142.6MB in the beginning and 755.0MB in the end (delta: 612.4MB). Free memory was 90.6MB in the beginning and 340.8MB in the end (delta: -250.2MB). Peak memory consumption was 367.9MB. Max. memory is 16.1GB.
[2024-11-23 11:23:28,887 INFO L158 Benchmark]: Witness Printer took 178.17ms. Allocated memory is still 755.0MB. Free memory was 340.8MB in the beginning and 326.6MB in the end (delta: 14.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 11:23:28,889 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 142.6MB. Free memory is still 79.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 702.81ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 93.8MB in the end (delta: 23.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 71.22ms. Allocated memory is still 142.6MB. Free memory was 93.8MB in the beginning and 91.4MB in the end (delta: 2.4MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 33.30ms. Allocated memory is still 142.6MB. Free memory was 91.4MB in the beginning and 89.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 990.99ms. Allocated memory is still 142.6MB. Free memory was 89.9MB in the beginning and 90.9MB in the end (delta: -995.0kB). Peak memory consumption was 39.1MB. Max. memory is 16.1GB.
* TraceAbstraction took 40182.05ms. Allocated memory was 142.6MB in the beginning and 755.0MB in the end (delta: 612.4MB). Free memory was 90.6MB in the beginning and 340.8MB in the end (delta: -250.2MB). Peak memory consumption was 367.9MB. Max. memory is 16.1GB.
* Witness Printer took 178.17ms. Allocated memory is still 755.0MB. Free memory was 340.8MB in the beginning and 326.6MB in the end (delta: 14.2MB). 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: 532, independent: 504, independent conditional: 224, independent unconditional: 280, dependent: 28, dependent conditional: 10, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 528, independent: 504, independent conditional: 224, independent unconditional: 280, dependent: 24, dependent conditional: 6, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 528, independent: 504, independent conditional: 224, independent unconditional: 280, dependent: 24, dependent conditional: 6, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 545, independent: 504, independent conditional: 224, independent unconditional: 280, dependent: 41, dependent conditional: 23, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 545, independent: 504, independent conditional: 3, independent unconditional: 501, dependent: 41, dependent conditional: 6, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 545, independent: 504, independent conditional: 3, independent unconditional: 501, dependent: 41, dependent conditional: 6, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 303, independent: 283, independent conditional: 3, independent unconditional: 280, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 303, independent: 277, independent conditional: 0, independent unconditional: 277, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 26, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 26, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34198, independent: 111, independent conditional: 34, independent unconditional: 77, dependent: 34087, dependent conditional: 2402, dependent unconditional: 31685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 545, independent: 221, independent conditional: 0, independent unconditional: 221, dependent: 21, dependent conditional: 4, dependent unconditional: 17, unknown: 303, unknown conditional: 5, unknown unconditional: 298] , Statistics on independence cache: Total cache size (in pairs): 303, Positive cache size: 283, Positive conditional cache size: 3, Positive unconditional cache size: 280, Negative cache size: 20, Negative conditional cache size: 2, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 238, Maximal queried relation: 2, Independence queries for same thread: 4, Persistent sets #1 benchmarks: Persistent set computation time: 31.8s, Number of persistent set computation: 73, Number of trivial persistent sets: 38, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 298, independent: 280, independent conditional: 0, independent unconditional: 280, dependent: 18, dependent conditional: 0, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 532, independent: 504, independent conditional: 224, independent unconditional: 280, dependent: 28, dependent conditional: 10, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 528, independent: 504, independent conditional: 224, independent unconditional: 280, dependent: 24, dependent conditional: 6, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 528, independent: 504, independent conditional: 224, independent unconditional: 280, dependent: 24, dependent conditional: 6, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 545, independent: 504, independent conditional: 224, independent unconditional: 280, dependent: 41, dependent conditional: 23, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 545, independent: 504, independent conditional: 3, independent unconditional: 501, dependent: 41, dependent conditional: 6, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 545, independent: 504, independent conditional: 3, independent unconditional: 501, dependent: 41, dependent conditional: 6, dependent unconditional: 35, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 303, independent: 283, independent conditional: 3, independent unconditional: 280, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 303, independent: 277, independent conditional: 0, independent unconditional: 277, dependent: 26, dependent conditional: 0, dependent unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Independence Queries: [ total: 26, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ProtectedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 26, independent: 6, independent conditional: 3, independent unconditional: 3, dependent: 20, dependent conditional: 2, dependent unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 34198, independent: 111, independent conditional: 34, independent unconditional: 77, dependent: 34087, dependent conditional: 2402, dependent unconditional: 31685, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Symbolic Condition Computations: 0, Symbolic Conditions with UNKNOWN Satisfiability: 0, Protected Queries: 0 ], Cache Queries: [ total: 545, independent: 221, independent conditional: 0, independent unconditional: 221, dependent: 21, dependent conditional: 4, dependent unconditional: 17, unknown: 303, unknown conditional: 5, unknown unconditional: 298] , Statistics on independence cache: Total cache size (in pairs): 303, Positive cache size: 283, Positive conditional cache size: 3, Positive unconditional cache size: 280, Negative cache size: 20, Negative conditional cache size: 2, Negative unconditional cache size: 18, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0, Eliminated conditions: 238, 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_p0_EBX = 0;
[L715] 0 int __unbuffered_p1_EAX = 0;
[L717] 0 int __unbuffered_p1_EBX = 0;
[L718] 0 _Bool main$tmp_guard0;
[L719] 0 _Bool main$tmp_guard1;
[L721] 0 int x = 0;
[L722] 0 _Bool x$flush_delayed;
[L723] 0 int x$mem_tmp;
[L724] 0 _Bool x$r_buff0_thd0;
[L725] 0 _Bool x$r_buff0_thd1;
[L726] 0 _Bool x$r_buff0_thd2;
[L727] 0 _Bool x$r_buff1_thd0;
[L728] 0 _Bool x$r_buff1_thd1;
[L729] 0 _Bool x$r_buff1_thd2;
[L730] 0 _Bool x$read_delayed;
[L731] 0 int *x$read_delayed_var;
[L732] 0 int x$w_buff0;
[L733] 0 _Bool x$w_buff0_used;
[L734] 0 int x$w_buff1;
[L735] 0 _Bool x$w_buff1_used;
[L737] 0 int y = 0;
[L738] 0 _Bool weak$$choice0;
[L739] 0 _Bool weak$$choice2;
[L826] 0 pthread_t t0;
[L827] FCALL, FORK 0 pthread_create(&t0, ((void *)0), P0, ((void *)0))
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t0=-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]
[L828] 0 pthread_t t1;
[L829] FCALL, FORK 0 pthread_create(&t1, ((void *)0), P1, ((void *)0))
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, main$tmp_guard0=0, main$tmp_guard1=0, t0=-1, t1=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]
[L774] 2 x$w_buff1 = x$w_buff0
[L775] 2 x$w_buff0 = 1
[L776] 2 x$w_buff1_used = x$w_buff0_used
[L777] 2 x$w_buff0_used = (_Bool)1
[L778] CALL 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used))
[L19] COND FALSE 2 !(!expression)
[L778] RET 2 __VERIFIER_assert(!(x$w_buff1_used && x$w_buff0_used))
[L779] 2 x$r_buff1_thd0 = x$r_buff0_thd0
[L780] 2 x$r_buff1_thd1 = x$r_buff0_thd1
[L781] 2 x$r_buff1_thd2 = x$r_buff0_thd2
[L782] 2 x$r_buff0_thd2 = (_Bool)1
VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=0, __unbuffered_p1_EBX=0, arg={0:0}, main$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]
[L785] 2 weak$$choice0 = __VERIFIER_nondet_bool()
[L786] 2 weak$$choice2 = __VERIFIER_nondet_bool()
[L787] 2 x$flush_delayed = weak$$choice2
[L788] 2 x$mem_tmp = x
[L789] 2 x = !x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff0 : x$w_buff1)
[L790] 2 x$w_buff0 = weak$$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$w_buff0))
[L791] 2 x$w_buff1 = weak$$choice2 ? x$w_buff1 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1 : (x$w_buff0_used && x$r_buff0_thd2 ? x$w_buff1 : x$w_buff1))
[L792] 2 x$w_buff0_used = weak$$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))
[L793] 2 x$w_buff1_used = weak$$choice2 ? x$w_buff1_used : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$w_buff1_used : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L794] 2 x$r_buff0_thd2 = weak$$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))
[L795] 2 x$r_buff1_thd2 = weak$$choice2 ? x$r_buff1_thd2 : (!x$w_buff0_used || !x$r_buff0_thd2 && !x$w_buff1_used || !x$r_buff0_thd2 && !x$r_buff1_thd2 ? x$r_buff1_thd2 : (x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : (_Bool)0))
[L796] 2 __unbuffered_p1_EAX = x
[L797] 2 x = x$flush_delayed ? x$mem_tmp : x
[L798] 2 x$flush_delayed = (_Bool)0
VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0]
[L801] 2 __unbuffered_p1_EBX = y
VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=0]
[L743] 1 y = 1
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=0, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1]
[L746] 1 __unbuffered_p0_EAX = y
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=1, weak$$choice2=1, x$flush_delayed=0, x$mem_tmp=0, x$r_buff0_thd0=0, x$r_buff0_thd1=0, x$r_buff0_thd2=1, x$r_buff1_thd0=0, x$r_buff1_thd1=0, x$r_buff1_thd2=0, x$read_delayed=0, x$read_delayed_var={0:0}, x$w_buff0=1, x$w_buff0_used=1, x$w_buff1=0, x$w_buff1_used=0, x=0, y=1]
[L749] 1 weak$$choice0 = __VERIFIER_nondet_bool()
[L750] 1 weak$$choice2 = __VERIFIER_nondet_bool()
[L751] 1 x$flush_delayed = weak$$choice2
[L752] 1 x$mem_tmp = x
[L753] 1 x = !x$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)
[L754] 1 x$w_buff0 = weak$$choice2 ? x$w_buff0 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0 : (x$w_buff0_used && x$r_buff0_thd1 ? x$w_buff0 : x$w_buff0))
[L755] 1 x$w_buff1 = weak$$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$w_buff1))
[L756] 1 x$w_buff0_used = weak$$choice2 ? x$w_buff0_used : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$w_buff0_used : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$w_buff0_used))
[L757] 1 x$w_buff1_used = weak$$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$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L758] 1 x$r_buff0_thd1 = weak$$choice2 ? x$r_buff0_thd1 : (!x$w_buff0_used || !x$r_buff0_thd1 && !x$w_buff1_used || !x$r_buff0_thd1 && !x$r_buff1_thd1 ? x$r_buff0_thd1 : (x$w_buff0_used && x$r_buff0_thd1 ? (_Bool)0 : x$r_buff0_thd1))
[L759] 1 x$r_buff1_thd1 = weak$$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$r_buff0_thd1 ? (_Bool)0 : (_Bool)0))
[L760] 1 __unbuffered_p0_EBX = x
[L761] 1 x = x$flush_delayed ? x$mem_tmp : x
[L762] 1 x$flush_delayed = (_Bool)0
VAL [\old(arg)={0:0}, __unbuffered_cnt=0, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=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]
[L804] 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)
[L805] 2 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$w_buff0_used
[L806] 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
[L807] 2 x$r_buff0_thd2 = x$w_buff0_used && x$r_buff0_thd2 ? (_Bool)0 : x$r_buff0_thd2
[L808] 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=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$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=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=1]
[L811] 2 __unbuffered_cnt = __unbuffered_cnt + 1
VAL [\old(arg)={0:0}, \old(arg)={0:0}, __unbuffered_cnt=1, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, arg={0:0}, main$tmp_guard0=0, main$tmp_guard1=0, weak$$choice0=0, weak$$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=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=1]
[L813] 2 return 0;
[L767] 1 __unbuffered_cnt = __unbuffered_cnt + 1
VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=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=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=1]
[L831] 0 main$tmp_guard0 = __unbuffered_cnt == 2
VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t0=-1, t1=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=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=1]
[L833] CALL 0 assume_abort_if_not(main$tmp_guard0)
[L4] COND FALSE 0 !(!cond)
[L833] RET 0 assume_abort_if_not(main$tmp_guard0)
[L835] 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)
[L836] 0 x$w_buff0_used = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$w_buff0_used
[L837] 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
[L838] 0 x$r_buff0_thd0 = x$w_buff0_used && x$r_buff0_thd0 ? (_Bool)0 : x$r_buff0_thd0
[L839] 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=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t0=-1, t1=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=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=1]
[L842] 0 main$tmp_guard1 = !(__unbuffered_p0_EAX == 1 && __unbuffered_p0_EBX == 0 && __unbuffered_p1_EAX == 1 && __unbuffered_p1_EBX == 0)
VAL [\old(arg)={0:0}, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, main$tmp_guard0=1, main$tmp_guard1=0, t0=-1, t1=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=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=1]
[L844] CALL 0 __VERIFIER_assert(main$tmp_guard1)
[L19] COND TRUE 0 !expression
VAL [\old(arg)={0:0}, \old(expression)=0, __unbuffered_cnt=2, __unbuffered_p0_EAX=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, expression=0, main$tmp_guard0=1, 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=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=1, __unbuffered_p0_EBX=0, __unbuffered_p1_EAX=1, __unbuffered_p1_EBX=0, arg={0:0}, expression=0, main$tmp_guard0=1, main$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=0, x$w_buff1=0, x$w_buff1_used=0, x=1, y=1]
- UnprovableResult [Line: 827]: 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: 829]: Unable to prove that petrification did provide enough thread instances (tool internal message)
Unable to prove that petrification did provide enough thread instances (tool internal message)
Reason: Not analyzed.
- StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances
CFG has 5 procedures, 51 locations, 5 error locations. Started 1 CEGAR loops. OverallTime: 39.8s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 2, EmptinessCheckTime: 35.0s, 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: 17, 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, 0.5s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 772 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!
[2024-11-23 11:23:28,914 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b1bba523-48b4-41c0-8ec8-bacf8d9ba093/bin/ugemcutter-verify-Z6otQMs9Ca/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