./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/pthread/triangular-longest-1.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for data races
Using default analysis
Version d790fecc
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1e3fe8-bd93-4db6-95b4-66c76d8a7c95/bin/uautomizer-verify-84ZbGMXZE1/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1e3fe8-bd93-4db6-95b4-66c76d8a7c95/bin/uautomizer-verify-84ZbGMXZE1/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1e3fe8-bd93-4db6-95b4-66c76d8a7c95/bin/uautomizer-verify-84ZbGMXZE1/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1e3fe8-bd93-4db6-95b4-66c76d8a7c95/bin/uautomizer-verify-84ZbGMXZE1/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread/triangular-longest-1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1e3fe8-bd93-4db6-95b4-66c76d8a7c95/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1e3fe8-bd93-4db6-95b4-66c76d8a7c95/bin/uautomizer-verify-84ZbGMXZE1 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 81809963fcaff21fd6241cde97e522447f695a8b323a0a16c5a31b7f82b0f683
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-d790fec
[2024-12-02 07:07:25,115 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-12-02 07:07:25,168 INFO  L114        SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1e3fe8-bd93-4db6-95b4-66c76d8a7c95/bin/uautomizer-verify-84ZbGMXZE1/config/svcomp-DataRace-32bit-Automizer_Default.epf
[2024-12-02 07:07:25,173 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-12-02 07:07:25,173 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-12-02 07:07:25,192 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-12-02 07:07:25,193 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-12-02 07:07:25,193 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-12-02 07:07:25,194 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-12-02 07:07:25,194 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-12-02 07:07:25,194 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-12-02 07:07:25,194 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-12-02 07:07:25,194 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-12-02 07:07:25,194 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-12-02 07:07:25,194 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-12-02 07:07:25,195 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-12-02 07:07:25,195 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-12-02 07:07:25,195 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-12-02 07:07:25,195 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-12-02 07:07:25,195 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-12-02 07:07:25,195 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-12-02 07:07:25,195 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-12-02 07:07:25,195 INFO  L153        SettingsManager]:  * Check absence of data races in concurrent programs=true
[2024-12-02 07:07:25,195 INFO  L153        SettingsManager]:  * Check unreachability of reach_error function=false
[2024-12-02 07:07:25,195 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-12-02 07:07:25,195 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-12-02 07:07:25,195 INFO  L153        SettingsManager]:  * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-12-02 07:07:25,195 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-12-02 07:07:25,196 INFO  L151        SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-12-02 07:07:25,196 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 07:07:25,196 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 07:07:25,196 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:07:25,196 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-12-02 07:07:25,196 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-12-02 07:07:25,196 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-12-02 07:07:25,196 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:07:25,196 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-12-02 07:07:25,196 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-12-02 07:07:25,196 INFO  L153        SettingsManager]:  * Compute procedure contracts=false
[2024-12-02 07:07:25,196 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-12-02 07:07:25,196 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-12-02 07:07:25,197 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-12-02 07:07:25,197 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-12-02 07:07:25,197 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-12-02 07:07:25,197 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-12-02 07:07:25,197 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-12-02 07:07:25,197 INFO  L153        SettingsManager]:  * Looper check in Petri net analysis=SEMANTIC
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_1f1e3fe8-bd93-4db6-95b4-66c76d8a7c95/bin/uautomizer-verify-84ZbGMXZE1
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 ! data-race) )


Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
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 -> 81809963fcaff21fd6241cde97e522447f695a8b323a0a16c5a31b7f82b0f683
[2024-12-02 07:07:25,423 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-12-02 07:07:25,431 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-12-02 07:07:25,433 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-12-02 07:07:25,434 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-12-02 07:07:25,434 INFO  L274        PluginConnector]: CDTParser initialized
[2024-12-02 07:07:25,436 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1e3fe8-bd93-4db6-95b4-66c76d8a7c95/bin/uautomizer-verify-84ZbGMXZE1/../../sv-benchmarks/c/pthread/triangular-longest-1.i
[2024-12-02 07:07:28,079 INFO  L533              CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1e3fe8-bd93-4db6-95b4-66c76d8a7c95/bin/uautomizer-verify-84ZbGMXZE1/data/e82297100/09a8c5b690b040a59ddffd3c07474fb5/FLAG0adbb7b60
[2024-12-02 07:07:28,338 INFO  L384              CDTParser]: Found 1 translation units.
[2024-12-02 07:07:28,339 INFO  L180              CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1e3fe8-bd93-4db6-95b4-66c76d8a7c95/sv-benchmarks/c/pthread/triangular-longest-1.i
[2024-12-02 07:07:28,351 INFO  L427              CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1e3fe8-bd93-4db6-95b4-66c76d8a7c95/bin/uautomizer-verify-84ZbGMXZE1/data/e82297100/09a8c5b690b040a59ddffd3c07474fb5/FLAG0adbb7b60
[2024-12-02 07:07:28,674 INFO  L435              CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1e3fe8-bd93-4db6-95b4-66c76d8a7c95/bin/uautomizer-verify-84ZbGMXZE1/data/e82297100/09a8c5b690b040a59ddffd3c07474fb5
[2024-12-02 07:07:28,676 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-12-02 07:07:28,678 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-12-02 07:07:28,679 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-12-02 07:07:28,679 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-12-02 07:07:28,684 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-12-02 07:07:28,685 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:07:28" (1/1) ...
[2024-12-02 07:07:28,685 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@153495d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:28, skipping insertion in model container
[2024-12-02 07:07:28,686 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 07:07:28" (1/1) ...
[2024-12-02 07:07:28,714 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-12-02 07:07:28,982 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 07:07:28,991 INFO  L200         MainTranslator]: Completed pre-run
[2024-12-02 07:07:29,029 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-12-02 07:07:29,060 INFO  L204         MainTranslator]: Completed translation
[2024-12-02 07:07:29,060 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:29 WrapperNode
[2024-12-02 07:07:29,060 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-12-02 07:07:29,061 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-12-02 07:07:29,061 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-12-02 07:07:29,061 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-12-02 07:07:29,067 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:29" (1/1) ...
[2024-12-02 07:07:29,077 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:29" (1/1) ...
[2024-12-02 07:07:29,092 INFO  L138                Inliner]: procedures = 168, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 43
[2024-12-02 07:07:29,092 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-12-02 07:07:29,093 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-12-02 07:07:29,093 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-12-02 07:07:29,093 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-12-02 07:07:29,100 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:29" (1/1) ...
[2024-12-02 07:07:29,100 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:29" (1/1) ...
[2024-12-02 07:07:29,102 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:29" (1/1) ...
[2024-12-02 07:07:29,102 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:29" (1/1) ...
[2024-12-02 07:07:29,107 INFO  L184        PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:29" (1/1) ...
[2024-12-02 07:07:29,108 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:29" (1/1) ...
[2024-12-02 07:07:29,111 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:29" (1/1) ...
[2024-12-02 07:07:29,112 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:29" (1/1) ...
[2024-12-02 07:07:29,113 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:29" (1/1) ...
[2024-12-02 07:07:29,115 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-12-02 07:07:29,115 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-12-02 07:07:29,116 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-12-02 07:07:29,116 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-12-02 07:07:29,117 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:29" (1/1) ...
[2024-12-02 07:07:29,122 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-12-02 07:07:29,134 INFO  L189       MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1e3fe8-bd93-4db6-95b4-66c76d8a7c95/bin/uautomizer-verify-84ZbGMXZE1/z3
[2024-12-02 07:07:29,147 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1e3fe8-bd93-4db6-95b4-66c76d8a7c95/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-12-02 07:07:29,150 INFO  L327       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1e3fe8-bd93-4db6-95b4-66c76d8a7c95/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-12-02 07:07:29,178 INFO  L130     BoogieDeclarations]: Found specification of procedure t1
[2024-12-02 07:07:29,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1
[2024-12-02 07:07:29,178 INFO  L130     BoogieDeclarations]: Found specification of procedure t2
[2024-12-02 07:07:29,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2
[2024-12-02 07:07:29,178 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-12-02 07:07:29,178 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-12-02 07:07:29,178 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2024-12-02 07:07:29,178 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-12-02 07:07:29,178 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-12-02 07:07:29,178 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-12-02 07:07:29,180 WARN  L203             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-12-02 07:07:29,295 INFO  L234             CfgBuilder]: Building ICFG
[2024-12-02 07:07:29,297 INFO  L260             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-12-02 07:07:29,431 INFO  L279             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-12-02 07:07:29,431 INFO  L283             CfgBuilder]: Performing block encoding
[2024-12-02 07:07:29,472 INFO  L307             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-12-02 07:07:29,472 INFO  L312             CfgBuilder]: Removed 2 assume(true) statements.
[2024-12-02 07:07:29,472 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:07:29 BoogieIcfgContainer
[2024-12-02 07:07:29,472 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-12-02 07:07:29,475 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-12-02 07:07:29,475 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-12-02 07:07:29,479 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-12-02 07:07:29,480 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 07:07:28" (1/3) ...
[2024-12-02 07:07:29,480 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d11bf75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:07:29, skipping insertion in model container
[2024-12-02 07:07:29,480 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 07:07:29" (2/3) ...
[2024-12-02 07:07:29,481 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d11bf75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 07:07:29, skipping insertion in model container
[2024-12-02 07:07:29,481 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:07:29" (3/3) ...
[2024-12-02 07:07:29,482 INFO  L128   eAbstractionObserver]: Analyzing ICFG triangular-longest-1.i
[2024-12-02 07:07:29,499 INFO  L216   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-12-02 07:07:29,501 INFO  L151   ceAbstractionStarter]: Applying trace abstraction to ICFG triangular-longest-1.i that has 3 procedures, 68 locations, 1 initial locations, 2 loop locations, and 6 error locations.
[2024-12-02 07:07:29,501 INFO  L491   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-12-02 07:07:29,556 INFO  L143    ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-12-02 07:07:29,596 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 74 places, 73 transitions, 154 flow
[2024-12-02 07:07:29,636 INFO  L124   PetriNetUnfolderBase]: 6/71 cut-off events.
[2024-12-02 07:07:29,638 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 07:07:29,643 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 78 conditions, 71 events. 6/71 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 114 event pairs, 0 based on Foata normal form. 0/59 useless extension candidates. Maximal degree in co-relation 55. Up to 2 conditions per place. 
[2024-12-02 07:07:29,643 INFO  L82        GeneralOperation]: Start removeDead. Operand has 74 places, 73 transitions, 154 flow
[2024-12-02 07:07:29,647 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 72 places, 71 transitions, 148 flow
[2024-12-02 07:07:29,654 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-12-02 07:07:29,666 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=PETRI_NET, 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;@753221cf, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-12-02 07:07:29,666 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 12 error locations.
[2024-12-02 07:07:29,674 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-12-02 07:07:29,674 INFO  L124   PetriNetUnfolderBase]: 1/28 cut-off events.
[2024-12-02 07:07:29,674 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-12-02 07:07:29,675 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-12-02 07:07:29,675 INFO  L206   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-12-02 07:07:29,675 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 9 more)] ===
[2024-12-02 07:07:29,680 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-12-02 07:07:29,680 INFO  L85        PathProgramCache]: Analyzing trace with hash -175137447, now seen corresponding path program 1 times
[2024-12-02 07:07:29,686 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-12-02 07:07:29,686 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1582399160]
[2024-12-02 07:07:29,686 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-12-02 07:07:29,687 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-12-02 07:07:29,766 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-12-02 07:07:29,821 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-12-02 07:07:29,821 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-12-02 07:07:29,821 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1582399160]
[2024-12-02 07:07:29,822 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1582399160] provided 1 perfect and 0 imperfect interpolant sequences
[2024-12-02 07:07:29,822 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-12-02 07:07:29,822 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-12-02 07:07:29,823 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128408845]
[2024-12-02 07:07:29,824 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-12-02 07:07:29,830 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2024-12-02 07:07:29,834 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-12-02 07:07:29,853 INFO  L144   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2024-12-02 07:07:29,853 INFO  L146   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2024-12-02 07:07:29,854 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 56 out of 73
[2024-12-02 07:07:29,856 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 72 places, 71 transitions, 148 flow. Second operand  has 2 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 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)
[2024-12-02 07:07:29,857 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-12-02 07:07:29,857 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 56 of 73
[2024-12-02 07:07:29,857 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-12-02 07:07:29,903 INFO  L124   PetriNetUnfolderBase]: 18/134 cut-off events.
[2024-12-02 07:07:29,903 INFO  L125   PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2024-12-02 07:07:29,904 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 174 conditions, 134 events. 18/134 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 436 event pairs, 10 based on Foata normal form. 26/147 useless extension candidates. Maximal degree in co-relation 149. Up to 31 conditions per place. 
[2024-12-02 07:07:29,906 INFO  L140   encePairwiseOnDemand]: 63/73 looper letters, 0 selfloop transitions, 0 changer transitions 59/59 dead transitions.
[2024-12-02 07:07:29,906 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 59 transitions, 136 flow
[2024-12-02 07:07:29,907 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2024-12-02 07:07:29,909 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2024-12-02 07:07:29,916 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 128 transitions.
[2024-12-02 07:07:29,918 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.8767123287671232
[2024-12-02 07:07:29,919 INFO  L175             Difference]: Start difference. First operand has 72 places, 71 transitions, 148 flow. Second operand 2 states and 128 transitions.
[2024-12-02 07:07:29,920 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 59 transitions, 136 flow
[2024-12-02 07:07:29,924 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 63 places, 59 transitions, 134 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-12-02 07:07:29,926 INFO  L231             Difference]: Finished difference. Result has 63 places, 0 transitions, 0 flow
[2024-12-02 07:07:29,928 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=73, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=62, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=59, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=59, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=0, PETRI_PLACES=63, PETRI_TRANSITIONS=0}
[2024-12-02 07:07:29,932 INFO  L279   CegarLoopForPetriNet]: 72 programPoint places, -9 predicate places.
[2024-12-02 07:07:29,932 INFO  L471      AbstractCegarLoop]: Abstraction has has 63 places, 0 transitions, 0 flow
[2024-12-02 07:07:29,932 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 57.0) internal successors, (114), 2 states have internal predecessors, (114), 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)
[2024-12-02 07:07:29,935 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (11 of 12 remaining)
[2024-12-02 07:07:29,935 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (10 of 12 remaining)
[2024-12-02 07:07:29,935 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 12 remaining)
[2024-12-02 07:07:29,935 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 12 remaining)
[2024-12-02 07:07:29,936 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (7 of 12 remaining)
[2024-12-02 07:07:29,936 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (6 of 12 remaining)
[2024-12-02 07:07:29,936 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (5 of 12 remaining)
[2024-12-02 07:07:29,936 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (4 of 12 remaining)
[2024-12-02 07:07:29,936 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONDATA_RACE (3 of 12 remaining)
[2024-12-02 07:07:29,936 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONDATA_RACE (2 of 12 remaining)
[2024-12-02 07:07:29,936 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONDATA_RACE (1 of 12 remaining)
[2024-12-02 07:07:29,937 INFO  L782   garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONDATA_RACE (0 of 12 remaining)
[2024-12-02 07:07:29,937 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-12-02 07:07:29,937 INFO  L422         BasicCegarLoop]: Path program histogram: [1]
[2024-12-02 07:07:29,943 INFO  L241   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-12-02 07:07:29,943 INFO  L170   ceAbstractionStarter]: Computing trace abstraction results
[2024-12-02 07:07:29,949 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 07:07:29 BasicIcfg
[2024-12-02 07:07:29,949 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-12-02 07:07:29,950 INFO  L112        PluginConnector]: ------------------------Witness Printer----------------------------
[2024-12-02 07:07:29,950 INFO  L270        PluginConnector]: Initializing Witness Printer...
[2024-12-02 07:07:29,950 INFO  L274        PluginConnector]: Witness Printer initialized
[2024-12-02 07:07:29,951 INFO  L184        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 07:07:29" (3/4) ...
[2024-12-02 07:07:29,952 INFO  L146         WitnessPrinter]: Generating witness for correct program
[2024-12-02 07:07:29,956 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure t1
[2024-12-02 07:07:29,956 INFO  L361     RCFGBacktranslator]: Ignoring RootEdge to procedure t2
[2024-12-02 07:07:29,959 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges
[2024-12-02 07:07:29,959 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges
[2024-12-02 07:07:29,959 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-12-02 07:07:29,959 INFO  L919   BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-12-02 07:07:30,022 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1e3fe8-bd93-4db6-95b4-66c76d8a7c95/bin/uautomizer-verify-84ZbGMXZE1/witness.graphml
[2024-12-02 07:07:30,022 INFO  L149         WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1e3fe8-bd93-4db6-95b4-66c76d8a7c95/bin/uautomizer-verify-84ZbGMXZE1/witness.yml
[2024-12-02 07:07:30,022 INFO  L131        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-12-02 07:07:30,023 INFO  L158              Benchmark]: Toolchain (without parser) took 1345.11ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 72.7MB in the end (delta: 19.1MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB.
[2024-12-02 07:07:30,023 INFO  L158              Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 07:07:30,023 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 381.34ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 72.5MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-12-02 07:07:30,024 INFO  L158              Benchmark]: Boogie Procedure Inliner took 31.44ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 70.7MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 07:07:30,024 INFO  L158              Benchmark]: Boogie Preprocessor took 21.84ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 69.8MB in the end (delta: 860.0kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 07:07:30,024 INFO  L158              Benchmark]: RCFGBuilder took 357.06ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 55.1MB in the end (delta: 14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 07:07:30,024 INFO  L158              Benchmark]: TraceAbstraction took 474.60ms. Allocated memory is still 117.4MB. Free memory was 54.4MB in the beginning and 77.4MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-12-02 07:07:30,025 INFO  L158              Benchmark]: Witness Printer took 72.26ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 72.7MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-12-02 07:07:30,026 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB.
 * CACSL2BoogieTranslator took 381.34ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 72.5MB in the end (delta: 19.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
 * Boogie Procedure Inliner took 31.44ms. Allocated memory is still 117.4MB. Free memory was 72.5MB in the beginning and 70.7MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Boogie Preprocessor took 21.84ms. Allocated memory is still 117.4MB. Free memory was 70.7MB in the beginning and 69.8MB in the end (delta: 860.0kB). There was no memory consumed. Max. memory is 16.1GB.
 * RCFGBuilder took 357.06ms. Allocated memory is still 117.4MB. Free memory was 69.8MB in the beginning and 55.1MB in the end (delta: 14.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * TraceAbstraction took 474.60ms. Allocated memory is still 117.4MB. Free memory was 54.4MB in the beginning and 77.4MB in the end (delta: -22.9MB). There was no memory consumed. Max. memory is 16.1GB.
 * Witness Printer took 72.26ms. Allocated memory is still 117.4MB. Free memory was 77.4MB in the beginning and 72.7MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - PositiveResult [Line: 716]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 719]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 698]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 698]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 706]: there are no data races
    For all program executions holds that there are no data races at this location
  - PositiveResult [Line: 706]: there are no data races
    For all program executions holds that there are no data races at this location
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 5 procedures, 96 locations, 12 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 0 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 0 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=148occurred in iteration=0, InterpolantAutomatonStates: 2, 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, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 21 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: No data available
  - AllSpecificationsHoldResult: All specifications hold
    6 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-12-02 07:07:30,043 INFO  L552       MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1f1e3fe8-bd93-4db6-95b4-66c76d8a7c95/bin/uautomizer-verify-84ZbGMXZE1/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0
Received shutdown request...
--- End real Ultimate output ---

Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE