./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_54-pt_rwlock_ww.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f8375-a607-418f-8a29-68fdd0ef64fa/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f8375-a607-418f-8a29-68fdd0ef64fa/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f8375-a607-418f-8a29-68fdd0ef64fa/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f8375-a607-418f-8a29-68fdd0ef64fa/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_54-pt_rwlock_ww.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f8375-a607-418f-8a29-68fdd0ef64fa/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f8375-a607-418f-8a29-68fdd0ef64fa/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash a0d4dc1bad36ea6a944d96610a1da4f49d6f4e54f23122f87b052f14d480b584
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-23 23:26:03,682 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 23:26:03,765 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f8375-a607-418f-8a29-68fdd0ef64fa/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-23 23:26:03,773 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 23:26:03,773 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 23:26:03,808 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 23:26:03,809 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 23:26:03,810 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 23:26:03,810 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 23:26:03,810 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 23:26:03,811 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 23:26:03,811 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 23:26:03,811 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 23:26:03,811 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 23:26:03,812 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 23:26:03,812 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 23:26:03,813 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 23:26:03,813 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 23:26:03,813 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 23:26:03,813 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 23:26:03,813 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 23:26:03,813 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 23:26:03,814 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 23:26:03,814 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 23:26:03,814 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-23 23:26:03,814 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 23:26:03,814 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 23:26:03,814 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 23:26:03,814 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-23 23:26:03,814 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 23:26:03,815 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-23 23:26:03,816 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:26:03,816 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:26:03,816 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:26:03,816 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:26:03,816 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 23:26:03,816 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 23:26:03,816 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 23:26:03,817 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 23:26:03,817 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:26:03,817 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 23:26:03,817 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 23:26:03,817 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-23 23:26:03,817 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 23:26:03,818 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 23:26:03,818 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 23:26:03,818 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 23:26:03,818 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 23:26:03,818 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 23:26:03,818 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 23:26:03,819 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_664f8375-a607-418f-8a29-68fdd0ef64fa/bin/uautomizer-verify-LYvppIcaGC
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 ! overflow) )
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 -> a0d4dc1bad36ea6a944d96610a1da4f49d6f4e54f23122f87b052f14d480b584
[2024-11-23 23:26:04,132 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 23:26:04,145 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 23:26:04,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 23:26:04,153 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 23:26:04,153 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 23:26:04,155 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f8375-a607-418f-8a29-68fdd0ef64fa/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/goblint-regression/04-mutex_54-pt_rwlock_ww.i
[2024-11-23 23:26:07,108 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f8375-a607-418f-8a29-68fdd0ef64fa/bin/uautomizer-verify-LYvppIcaGC/data/bc2c5e446/2bd7883e96de4d159412d5c989962abd/FLAG7b45c3d6e
[2024-11-23 23:26:07,578 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 23:26:07,578 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f8375-a607-418f-8a29-68fdd0ef64fa/sv-benchmarks/c/goblint-regression/04-mutex_54-pt_rwlock_ww.i
[2024-11-23 23:26:07,604 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f8375-a607-418f-8a29-68fdd0ef64fa/bin/uautomizer-verify-LYvppIcaGC/data/bc2c5e446/2bd7883e96de4d159412d5c989962abd/FLAG7b45c3d6e
[2024-11-23 23:26:07,629 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f8375-a607-418f-8a29-68fdd0ef64fa/bin/uautomizer-verify-LYvppIcaGC/data/bc2c5e446/2bd7883e96de4d159412d5c989962abd
[2024-11-23 23:26:07,632 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 23:26:07,634 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 23:26:07,636 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 23:26:07,636 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 23:26:07,642 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 23:26:07,643 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:26:07" (1/1) ...
[2024-11-23 23:26:07,644 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77717ee4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:07, skipping insertion in model container
[2024-11-23 23:26:07,646 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 11:26:07" (1/1) ...
[2024-11-23 23:26:07,705 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 23:26:08,220 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:26:08,236 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 23:26:08,275 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 23:26:08,348 INFO L204 MainTranslator]: Completed translation
[2024-11-23 23:26:08,348 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:08 WrapperNode
[2024-11-23 23:26:08,349 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 23:26:08,350 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 23:26:08,350 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 23:26:08,350 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 23:26:08,357 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:08" (1/1) ...
[2024-11-23 23:26:08,369 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:08" (1/1) ...
[2024-11-23 23:26:08,389 INFO L138 Inliner]: procedures = 262, calls = 19, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 42
[2024-11-23 23:26:08,389 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 23:26:08,390 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 23:26:08,390 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 23:26:08,390 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 23:26:08,400 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:08" (1/1) ...
[2024-11-23 23:26:08,401 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:08" (1/1) ...
[2024-11-23 23:26:08,405 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:08" (1/1) ...
[2024-11-23 23:26:08,418 INFO L175 MemorySlicer]: Split 11 memory accesses to 1 slices as follows [11]. 100 percent of accesses are in the largest equivalence class. The 11 initializations are split as follows [11]. The 0 writes are split as follows [0].
[2024-11-23 23:26:08,418 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:08" (1/1) ...
[2024-11-23 23:26:08,419 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:08" (1/1) ...
[2024-11-23 23:26:08,424 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:08" (1/1) ...
[2024-11-23 23:26:08,424 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:08" (1/1) ...
[2024-11-23 23:26:08,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:08" (1/1) ...
[2024-11-23 23:26:08,427 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:08" (1/1) ...
[2024-11-23 23:26:08,428 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:08" (1/1) ...
[2024-11-23 23:26:08,430 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 23:26:08,430 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 23:26:08,431 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 23:26:08,431 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 23:26:08,432 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:08" (1/1) ...
[2024-11-23 23:26:08,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 23:26:08,456 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f8375-a607-418f-8a29-68fdd0ef64fa/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-23 23:26:08,475 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f8375-a607-418f-8a29-68fdd0ef64fa/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 23:26:08,479 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f8375-a607-418f-8a29-68fdd0ef64fa/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 23:26:08,502 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockWriteLock
[2024-11-23 23:26:08,502 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsRwLockUnlock
[2024-11-23 23:26:08,502 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 23:26:08,502 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2024-11-23 23:26:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2024-11-23 23:26:08,503 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 23:26:08,503 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 23:26:08,503 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 23:26:08,504 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 23:26:08,619 INFO L234 CfgBuilder]: Building ICFG
[2024-11-23 23:26:08,622 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 23:26:08,779 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-23 23:26:08,779 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-23 23:26:08,901 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 23:26:08,901 INFO L312 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-23 23:26:08,902 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:26:08 BoogieIcfgContainer
[2024-11-23 23:26:08,902 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 23:26:08,904 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 23:26:08,904 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 23:26:08,913 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 23:26:08,913 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 11:26:07" (1/3) ...
[2024-11-23 23:26:08,914 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b24ae07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:26:08, skipping insertion in model container
[2024-11-23 23:26:08,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 11:26:08" (2/3) ...
[2024-11-23 23:26:08,914 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b24ae07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 11:26:08, skipping insertion in model container
[2024-11-23 23:26:08,914 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:26:08" (3/3) ...
[2024-11-23 23:26:08,915 INFO L128 eAbstractionObserver]: Analyzing ICFG 04-mutex_54-pt_rwlock_ww.i
[2024-11-23 23:26:08,933 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 23:26:08,935 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG 04-mutex_54-pt_rwlock_ww.i that has 2 procedures, 24 locations, 1 initial locations, 0 loop locations, and 4 error locations.
[2024-11-23 23:26:08,935 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-23 23:26:08,995 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-11-23 23:26:09,034 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 27 places, 23 transitions, 53 flow
[2024-11-23 23:26:09,075 INFO L124 PetriNetUnfolderBase]: 0/22 cut-off events.
[2024-11-23 23:26:09,081 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-23 23:26:09,083 INFO L83 FinitePrefix]: Finished finitePrefix Result has 27 conditions, 22 events. 0/22 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 28 event pairs, 0 based on Foata normal form. 0/18 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place.
[2024-11-23 23:26:09,083 INFO L82 GeneralOperation]: Start removeDead. Operand has 27 places, 23 transitions, 53 flow
[2024-11-23 23:26:09,091 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 24 places, 20 transitions, 43 flow
[2024-11-23 23:26:09,104 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 23:26:09,123 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;@886e45c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 23:26:09,126 INFO L334 AbstractCegarLoop]: Starting to check reachability of 7 error locations.
[2024-11-23 23:26:09,134 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 23:26:09,135 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events.
[2024-11-23 23:26:09,136 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 23:26:09,136 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:26:09,137 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-23 23:26:09,138 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-11-23 23:26:09,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:26:09,146 INFO L85 PathProgramCache]: Analyzing trace with hash 569289085, now seen corresponding path program 1 times
[2024-11-23 23:26:09,155 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:26:09,155 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114555394]
[2024-11-23 23:26:09,156 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:26:09,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:26:09,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:26:09,468 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 23:26:09,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:26:09,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114555394]
[2024-11-23 23:26:09,470 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114555394] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:26:09,470 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:26:09,470 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:26:09,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694436157]
[2024-11-23 23:26:09,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:26:09,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 23:26:09,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:26:09,508 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 23:26:09,508 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 23:26:09,522 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 23
[2024-11-23 23:26:09,525 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 20 transitions, 43 flow. Second operand has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:26:09,525 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:26:09,525 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 23
[2024-11-23 23:26:09,526 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:26:09,648 INFO L124 PetriNetUnfolderBase]: 25/84 cut-off events.
[2024-11-23 23:26:09,648 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 23:26:09,650 INFO L83 FinitePrefix]: Finished finitePrefix Result has 151 conditions, 84 events. 25/84 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 276 event pairs, 10 based on Foata normal form. 6/86 useless extension candidates. Maximal degree in co-relation 142. Up to 29 conditions per place.
[2024-11-23 23:26:09,653 INFO L140 encePairwiseOnDemand]: 18/23 looper letters, 10 selfloop transitions, 3 changer transitions 9/28 dead transitions.
[2024-11-23 23:26:09,653 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 25 places, 28 transitions, 103 flow
[2024-11-23 23:26:09,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 23:26:09,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-23 23:26:09,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 52 transitions.
[2024-11-23 23:26:09,670 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5652173913043478
[2024-11-23 23:26:09,672 INFO L175 Difference]: Start difference. First operand has 24 places, 20 transitions, 43 flow. Second operand 4 states and 52 transitions.
[2024-11-23 23:26:09,673 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 25 places, 28 transitions, 103 flow
[2024-11-23 23:26:09,677 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 24 places, 28 transitions, 102 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 23:26:09,679 INFO L231 Difference]: Finished difference. Result has 24 places, 15 transitions, 38 flow
[2024-11-23 23:26:09,683 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=38, PETRI_DIFFERENCE_MINUEND_PLACES=21, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=15, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=38, PETRI_PLACES=24, PETRI_TRANSITIONS=15}
[2024-11-23 23:26:09,687 INFO L279 CegarLoopForPetriNet]: 24 programPoint places, 0 predicate places.
[2024-11-23 23:26:09,687 INFO L471 AbstractCegarLoop]: Abstraction has has 24 places, 15 transitions, 38 flow
[2024-11-23 23:26:09,687 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.5) internal successors, (34), 4 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 23:26:09,688 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-23 23:26:09,688 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-23 23:26:09,688 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 23:26:09,689 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 4 more)] ===
[2024-11-23 23:26:09,690 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 23:26:09,690 INFO L85 PathProgramCache]: Analyzing trace with hash 569772945, now seen corresponding path program 1 times
[2024-11-23 23:26:09,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 23:26:09,691 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2138986269]
[2024-11-23 23:26:09,691 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 23:26:09,691 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 23:26:09,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 23:26:09,811 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 23:26:09,811 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 23:26:09,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2138986269]
[2024-11-23 23:26:09,812 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2138986269] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 23:26:09,812 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 23:26:09,812 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 23:26:09,812 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277862472]
[2024-11-23 23:26:09,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 23:26:09,813 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 23:26:09,813 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 23:26:09,813 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 23:26:09,813 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 23:26:09,822 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 23
[2024-11-23 23:26:09,823 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 24 places, 15 transitions, 38 flow. Second operand has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 23:26:09,823 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 23:26:09,823 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 23
[2024-11-23 23:26:09,823 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 23:26:09,884 INFO L124 PetriNetUnfolderBase]: 10/40 cut-off events.
[2024-11-23 23:26:09,885 INFO L125 PetriNetUnfolderBase]: For 4/4 co-relation queries the response was YES.
[2024-11-23 23:26:09,885 INFO L83 FinitePrefix]: Finished finitePrefix Result has 81 conditions, 40 events. 10/40 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 95 event pairs, 5 based on Foata normal form. 12/51 useless extension candidates. Maximal degree in co-relation 71. Up to 18 conditions per place.
[2024-11-23 23:26:09,885 INFO L140 encePairwiseOnDemand]: 19/23 looper letters, 0 selfloop transitions, 0 changer transitions 18/18 dead transitions.
[2024-11-23 23:26:09,886 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 22 places, 18 transitions, 76 flow
[2024-11-23 23:26:09,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 23:26:09,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-23 23:26:09,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 44 transitions.
[2024-11-23 23:26:09,887 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.4782608695652174
[2024-11-23 23:26:09,887 INFO L175 Difference]: Start difference. First operand has 24 places, 15 transitions, 38 flow. Second operand 4 states and 44 transitions.
[2024-11-23 23:26:09,887 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 22 places, 18 transitions, 76 flow
[2024-11-23 23:26:09,888 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 19 places, 18 transitions, 66 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-23 23:26:09,888 INFO L231 Difference]: Finished difference. Result has 19 places, 0 transitions, 0 flow
[2024-11-23 23:26:09,888 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=23, PETRI_DIFFERENCE_MINUEND_FLOW=28, PETRI_DIFFERENCE_MINUEND_PLACES=16, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=13, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=13, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=19, PETRI_TRANSITIONS=0}
[2024-11-23 23:26:09,889 INFO L279 CegarLoopForPetriNet]: 24 programPoint places, -5 predicate places.
[2024-11-23 23:26:09,889 INFO L471 AbstractCegarLoop]: Abstraction has has 19 places, 0 transitions, 0 flow
[2024-11-23 23:26:09,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 states have internal predecessors, (33), 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 23:26:09,892 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 7 remaining)
[2024-11-23 23:26:09,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 7 remaining)
[2024-11-23 23:26:09,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 7 remaining)
[2024-11-23 23:26:09,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 7 remaining)
[2024-11-23 23:26:09,893 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 7 remaining)
[2024-11-23 23:26:09,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 7 remaining)
[2024-11-23 23:26:09,894 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 7 remaining)
[2024-11-23 23:26:09,894 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 23:26:09,894 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-23 23:26:09,900 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-23 23:26:09,900 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 23:26:09,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 11:26:09 BasicIcfg
[2024-11-23 23:26:09,906 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 23:26:09,907 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 23:26:09,907 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 23:26:09,907 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 23:26:09,908 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 11:26:08" (3/4) ...
[2024-11-23 23:26:09,910 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-23 23:26:09,913 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun
[2024-11-23 23:26:09,917 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 25 nodes and edges
[2024-11-23 23:26:09,918 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-11-23 23:26:09,918 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-11-23 23:26:10,007 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f8375-a607-418f-8a29-68fdd0ef64fa/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-23 23:26:10,008 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f8375-a607-418f-8a29-68fdd0ef64fa/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-23 23:26:10,008 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 23:26:10,009 INFO L158 Benchmark]: Toolchain (without parser) took 2374.76ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 47.7MB in the end (delta: 44.6MB). Peak memory consumption was 46.8MB. Max. memory is 16.1GB.
[2024-11-23 23:26:10,010 INFO L158 Benchmark]: CDTParser took 1.33ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:26:10,010 INFO L158 Benchmark]: CACSL2BoogieTranslator took 713.18ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 64.9MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
[2024-11-23 23:26:10,011 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.72ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 62.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:26:10,011 INFO L158 Benchmark]: Boogie Preprocessor took 40.05ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 61.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:26:10,012 INFO L158 Benchmark]: RCFGBuilder took 471.52ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 40.3MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-23 23:26:10,015 INFO L158 Benchmark]: TraceAbstraction took 1002.04ms. Allocated memory is still 117.4MB. Free memory was 39.7MB in the beginning and 51.9MB in the end (delta: -12.3MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 23:26:10,015 INFO L158 Benchmark]: Witness Printer took 101.22ms. Allocated memory is still 117.4MB. Free memory was 51.9MB in the beginning and 47.7MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-23 23:26:10,017 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.33ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 713.18ms. Allocated memory is still 117.4MB. Free memory was 92.3MB in the beginning and 64.9MB in the end (delta: 27.3MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 39.72ms. Allocated memory is still 117.4MB. Free memory was 64.9MB in the beginning and 62.9MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 40.05ms. Allocated memory is still 117.4MB. Free memory was 62.9MB in the beginning and 61.5MB in the end (delta: 1.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* RCFGBuilder took 471.52ms. Allocated memory is still 117.4MB. Free memory was 61.5MB in the beginning and 40.3MB in the end (delta: 21.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* TraceAbstraction took 1002.04ms. Allocated memory is still 117.4MB. Free memory was 39.7MB in the beginning and 51.9MB in the end (delta: -12.3MB). There was no memory consumed. Max. memory is 16.1GB.
* Witness Printer took 101.22ms. Allocated memory is still 117.4MB. Free memory was 51.9MB in the beginning and 47.7MB in the end (delta: 4.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 932]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 932]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 922]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 922]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 35 locations, 7 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: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 37 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 66 IncrementalHoareTripleChecker+Invalid, 70 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 3 mSDtfsCounter, 66 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=43occurred in iteration=0, InterpolantAutomatonStates: 8, 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, 0.3s InterpolantComputationTime, 12 NumberOfCodeBlocks, 12 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 30 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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
4 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-23 23:26:10,038 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_664f8375-a607-418f-8a29-68fdd0ef64fa/bin/uautomizer-verify-LYvppIcaGC/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