./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi007_tso.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version a0165632
Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba293caf-1b4c-4e34-b507-5fd6eda6855a/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba293caf-1b4c-4e34-b507-5fd6eda6855a/bin/uautomizer-verify-jihMAELWvX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba293caf-1b4c-4e34-b507-5fd6eda6855a/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba293caf-1b4c-4e34-b507-5fd6eda6855a/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi007_tso.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba293caf-1b4c-4e34-b507-5fd6eda6855a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba293caf-1b4c-4e34-b507-5fd6eda6855a/bin/uautomizer-verify-jihMAELWvX --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 62e921ac3b02bdecb866366797768eb8fcdb22a87147dc14adf7fddb42ab9cb2
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 17:02:18,896 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 17:02:18,972 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba293caf-1b4c-4e34-b507-5fd6eda6855a/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-08 17:02:18,977 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 17:02:18,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 17:02:19,021 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 17:02:19,022 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 17:02:19,023 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 17:02:19,024 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 17:02:19,025 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 17:02:19,025 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 17:02:19,026 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 17:02:19,027 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 17:02:19,027 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 17:02:19,029 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 17:02:19,029 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 17:02:19,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 17:02:19,030 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 17:02:19,031 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 17:02:19,035 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 17:02:19,035 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 17:02:19,036 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 17:02:19,036 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 17:02:19,036 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 17:02:19,037 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 17:02:19,037 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 17:02:19,037 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 17:02:19,038 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 17:02:19,038 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 17:02:19,038 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 17:02:19,038 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 17:02:19,039 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 17:02:19,039 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 17:02:19,039 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 17:02:19,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:02:19,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 17:02:19,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 17:02:19,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 17:02:19,063 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 17:02:19,063 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 17:02:19,063 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 17:02:19,065 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 17:02:19,065 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 17:02:19,065 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 17:02:19,065 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
WARNING: An illegal reflective access operation has occurred
WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba293caf-1b4c-4e34-b507-5fd6eda6855a/bin/uautomizer-verify-jihMAELWvX/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int)
WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba293caf-1b4c-4e34-b507-5fd6eda6855a/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62e921ac3b02bdecb866366797768eb8fcdb22a87147dc14adf7fddb42ab9cb2
[2024-11-08 17:02:19,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 17:02:19,382 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 17:02:19,385 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 17:02:19,387 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 17:02:19,388 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 17:02:19,390 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba293caf-1b4c-4e34-b507-5fd6eda6855a/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-wmm/rfi007_tso.i
Unable to find full path for "g++"
[2024-11-08 17:02:21,376 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 17:02:21,699 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 17:02:21,700 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba293caf-1b4c-4e34-b507-5fd6eda6855a/sv-benchmarks/c/pthread-wmm/rfi007_tso.i
[2024-11-08 17:02:21,716 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba293caf-1b4c-4e34-b507-5fd6eda6855a/bin/uautomizer-verify-jihMAELWvX/data/5ec417ead/23a743832ba042ff8e8ed6b320b07cba/FLAG62a78e94b
[2024-11-08 17:02:21,732 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba293caf-1b4c-4e34-b507-5fd6eda6855a/bin/uautomizer-verify-jihMAELWvX/data/5ec417ead/23a743832ba042ff8e8ed6b320b07cba
[2024-11-08 17:02:21,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 17:02:21,736 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 17:02:21,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 17:02:21,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 17:02:21,763 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 17:02:21,766 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:02:21" (1/1) ...
[2024-11-08 17:02:21,769 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6e0972f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:21, skipping insertion in model container
[2024-11-08 17:02:21,775 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 05:02:21" (1/1) ...
[2024-11-08 17:02:21,862 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 17:02:22,393 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:02:22,410 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 17:02:22,477 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 17:02:22,526 INFO L204 MainTranslator]: Completed translation
[2024-11-08 17:02:22,527 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:22 WrapperNode
[2024-11-08 17:02:22,527 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 17:02:22,529 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 17:02:22,529 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 17:02:22,529 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 17:02:22,539 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:22" (1/1) ...
[2024-11-08 17:02:22,556 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:22" (1/1) ...
[2024-11-08 17:02:22,603 INFO L138 Inliner]: procedures = 174, calls = 36, calls flagged for inlining = 6, calls inlined = 7, statements flattened = 151
[2024-11-08 17:02:22,604 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 17:02:22,604 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 17:02:22,605 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 17:02:22,608 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 17:02:22,622 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:22" (1/1) ...
[2024-11-08 17:02:22,623 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:22" (1/1) ...
[2024-11-08 17:02:22,631 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:22" (1/1) ...
[2024-11-08 17:02:22,664 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0].
[2024-11-08 17:02:22,668 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:22" (1/1) ...
[2024-11-08 17:02:22,668 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:22" (1/1) ...
[2024-11-08 17:02:22,679 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:22" (1/1) ...
[2024-11-08 17:02:22,688 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:22" (1/1) ...
[2024-11-08 17:02:22,690 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:22" (1/1) ...
[2024-11-08 17:02:22,693 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:22" (1/1) ...
[2024-11-08 17:02:22,700 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 17:02:22,703 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 17:02:22,704 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 17:02:22,704 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 17:02:22,705 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:22" (1/1) ...
[2024-11-08 17:02:22,713 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 17:02:22,727 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba293caf-1b4c-4e34-b507-5fd6eda6855a/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 17:02:22,763 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba293caf-1b4c-4e34-b507-5fd6eda6855a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 17:02:22,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba293caf-1b4c-4e34-b507-5fd6eda6855a/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 17:02:22,843 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-08 17:02:22,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 17:02:22,848 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-11-08 17:02:22,849 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-11-08 17:02:22,849 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-11-08 17:02:22,873 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-11-08 17:02:22,873 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 17:02:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-08 17:02:22,874 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 17:02:22,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 17:02:22,876 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-08 17:02:23,086 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 17:02:23,088 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 17:02:23,509 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 17:02:23,509 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 17:02:23,856 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 17:02:23,857 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 17:02:23,857 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:02:23 BoogieIcfgContainer
[2024-11-08 17:02:23,858 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 17:02:23,863 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 17:02:23,864 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 17:02:23,868 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 17:02:23,869 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 05:02:21" (1/3) ...
[2024-11-08 17:02:23,870 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@170f3da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:02:23, skipping insertion in model container
[2024-11-08 17:02:23,871 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 05:02:22" (2/3) ...
[2024-11-08 17:02:23,872 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@170f3da9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 05:02:23, skipping insertion in model container
[2024-11-08 17:02:23,874 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:02:23" (3/3) ...
[2024-11-08 17:02:23,876 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi007_tso.i
[2024-11-08 17:02:23,909 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 17:02:23,910 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations.
[2024-11-08 17:02:23,911 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 17:02:23,996 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-08 17:02:24,047 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 36 places, 29 transitions, 66 flow
[2024-11-08 17:02:24,100 INFO L124 PetriNetUnfolderBase]: 0/27 cut-off events.
[2024-11-08 17:02:24,101 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 17:02:24,103 INFO L83 FinitePrefix]: Finished finitePrefix Result has 34 conditions, 27 events. 0/27 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 49 event pairs, 0 based on Foata normal form. 0/23 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.
[2024-11-08 17:02:24,104 INFO L82 GeneralOperation]: Start removeDead. Operand has 36 places, 29 transitions, 66 flow
[2024-11-08 17:02:24,109 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 34 places, 27 transitions, 60 flow
[2024-11-08 17:02:24,128 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 17:02:24,136 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;@8b5afe5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 17:02:24,136 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2024-11-08 17:02:24,152 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 17:02:24,153 INFO L124 PetriNetUnfolderBase]: 0/14 cut-off events.
[2024-11-08 17:02:24,153 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 17:02:24,153 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 17:02:24,154 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:02:24,155 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2024-11-08 17:02:24,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:02:24,162 INFO L85 PathProgramCache]: Analyzing trace with hash -1331190467, now seen corresponding path program 1 times
[2024-11-08 17:02:24,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:02:24,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1478264453]
[2024-11-08 17:02:24,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:02:24,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:02:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:02:24,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:02:24,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:02:24,682 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1478264453]
[2024-11-08 17:02:24,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1478264453] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:02:24,683 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:02:24,683 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 17:02:24,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175368614]
[2024-11-08 17:02:24,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:02:24,697 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 17:02:24,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:02:24,735 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 17:02:24,735 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 17:02:24,748 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29
[2024-11-08 17:02:24,750 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 34 places, 27 transitions, 60 flow. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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)
[2024-11-08 17:02:24,752 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 17:02:24,752 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29
[2024-11-08 17:02:24,754 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 17:02:25,070 INFO L124 PetriNetUnfolderBase]: 275/491 cut-off events.
[2024-11-08 17:02:25,070 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-08 17:02:25,074 INFO L83 FinitePrefix]: Finished finitePrefix Result has 981 conditions, 491 events. 275/491 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 2290 event pairs, 91 based on Foata normal form. 0/441 useless extension candidates. Maximal degree in co-relation 971. Up to 369 conditions per place.
[2024-11-08 17:02:25,079 INFO L140 encePairwiseOnDemand]: 22/29 looper letters, 29 selfloop transitions, 3 changer transitions 2/40 dead transitions.
[2024-11-08 17:02:25,079 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 40 transitions, 157 flow
[2024-11-08 17:02:25,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 17:02:25,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 17:02:25,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 62 transitions.
[2024-11-08 17:02:25,099 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7126436781609196
[2024-11-08 17:02:25,101 INFO L175 Difference]: Start difference. First operand has 34 places, 27 transitions, 60 flow. Second operand 3 states and 62 transitions.
[2024-11-08 17:02:25,103 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 40 transitions, 157 flow
[2024-11-08 17:02:25,105 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 34 places, 40 transitions, 154 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 17:02:25,109 INFO L231 Difference]: Finished difference. Result has 35 places, 27 transitions, 75 flow
[2024-11-08 17:02:25,111 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=58, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=27, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=75, PETRI_PLACES=35, PETRI_TRANSITIONS=27}
[2024-11-08 17:02:25,117 INFO L277 CegarLoopForPetriNet]: 34 programPoint places, 1 predicate places.
[2024-11-08 17:02:25,118 INFO L471 AbstractCegarLoop]: Abstraction has has 35 places, 27 transitions, 75 flow
[2024-11-08 17:02:25,119 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 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)
[2024-11-08 17:02:25,119 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 17:02:25,119 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:02:25,120 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 17:02:25,120 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2024-11-08 17:02:25,121 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:02:25,122 INFO L85 PathProgramCache]: Analyzing trace with hash -2015209436, now seen corresponding path program 1 times
[2024-11-08 17:02:25,122 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:02:25,122 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432427371]
[2024-11-08 17:02:25,122 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:02:25,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:02:25,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:02:25,471 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:02:25,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:02:25,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [432427371]
[2024-11-08 17:02:25,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [432427371] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:02:25,473 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:02:25,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 17:02:25,475 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [667368338]
[2024-11-08 17:02:25,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:02:25,476 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:02:25,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:02:25,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:02:25,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:02:25,485 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29
[2024-11-08 17:02:25,485 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 27 transitions, 75 flow. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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)
[2024-11-08 17:02:25,485 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 17:02:25,486 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29
[2024-11-08 17:02:25,486 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 17:02:25,833 INFO L124 PetriNetUnfolderBase]: 199/367 cut-off events.
[2024-11-08 17:02:25,833 INFO L125 PetriNetUnfolderBase]: For 43/43 co-relation queries the response was YES.
[2024-11-08 17:02:25,835 INFO L83 FinitePrefix]: Finished finitePrefix Result has 834 conditions, 367 events. 199/367 cut-off events. For 43/43 co-relation queries the response was YES. Maximal size of possible extension queue 31. Compared 1755 event pairs, 67 based on Foata normal form. 0/365 useless extension candidates. Maximal degree in co-relation 823. Up to 244 conditions per place.
[2024-11-08 17:02:25,841 INFO L140 encePairwiseOnDemand]: 24/29 looper letters, 27 selfloop transitions, 3 changer transitions 0/36 dead transitions.
[2024-11-08 17:02:25,842 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 36 transitions, 151 flow
[2024-11-08 17:02:25,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:02:25,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 17:02:25,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 64 transitions.
[2024-11-08 17:02:25,844 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5517241379310345
[2024-11-08 17:02:25,845 INFO L175 Difference]: Start difference. First operand has 35 places, 27 transitions, 75 flow. Second operand 4 states and 64 transitions.
[2024-11-08 17:02:25,845 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 36 transitions, 151 flow
[2024-11-08 17:02:25,847 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 36 transitions, 148 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 17:02:25,850 INFO L231 Difference]: Finished difference. Result has 35 places, 25 transitions, 70 flow
[2024-11-08 17:02:25,850 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=64, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=22, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=70, PETRI_PLACES=35, PETRI_TRANSITIONS=25}
[2024-11-08 17:02:25,851 INFO L277 CegarLoopForPetriNet]: 34 programPoint places, 1 predicate places.
[2024-11-08 17:02:25,852 INFO L471 AbstractCegarLoop]: Abstraction has has 35 places, 25 transitions, 70 flow
[2024-11-08 17:02:25,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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)
[2024-11-08 17:02:25,853 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 17:02:25,853 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 17:02:25,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 17:02:25,855 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 6 more)] ===
[2024-11-08 17:02:25,856 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 17:02:25,856 INFO L85 PathProgramCache]: Analyzing trace with hash -2015209435, now seen corresponding path program 1 times
[2024-11-08 17:02:25,856 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 17:02:25,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [114767460]
[2024-11-08 17:02:25,857 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 17:02:25,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 17:02:25,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 17:02:26,068 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-08 17:02:26,068 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 17:02:26,068 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [114767460]
[2024-11-08 17:02:26,069 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [114767460] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 17:02:26,069 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 17:02:26,069 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 17:02:26,069 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182746475]
[2024-11-08 17:02:26,069 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 17:02:26,070 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 17:02:26,070 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 17:02:26,071 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 17:02:26,072 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 17:02:26,079 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 29
[2024-11-08 17:02:26,080 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 25 transitions, 70 flow. Second operand has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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)
[2024-11-08 17:02:26,080 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 17:02:26,080 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 29
[2024-11-08 17:02:26,081 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 17:02:26,281 INFO L124 PetriNetUnfolderBase]: 167/311 cut-off events.
[2024-11-08 17:02:26,281 INFO L125 PetriNetUnfolderBase]: For 112/112 co-relation queries the response was YES.
[2024-11-08 17:02:26,283 INFO L83 FinitePrefix]: Finished finitePrefix Result has 699 conditions, 311 events. 167/311 cut-off events. For 112/112 co-relation queries the response was YES. Maximal size of possible extension queue 30. Compared 1546 event pairs, 55 based on Foata normal form. 24/333 useless extension candidates. Maximal degree in co-relation 687. Up to 188 conditions per place.
[2024-11-08 17:02:26,283 INFO L140 encePairwiseOnDemand]: 24/29 looper letters, 0 selfloop transitions, 0 changer transitions 34/34 dead transitions.
[2024-11-08 17:02:26,284 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 34 transitions, 142 flow
[2024-11-08 17:02:26,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 17:02:26,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 17:02:26,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 62 transitions.
[2024-11-08 17:02:26,286 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5344827586206896
[2024-11-08 17:02:26,286 INFO L175 Difference]: Start difference. First operand has 35 places, 25 transitions, 70 flow. Second operand 4 states and 62 transitions.
[2024-11-08 17:02:26,286 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 34 transitions, 142 flow
[2024-11-08 17:02:26,287 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 34 transitions, 135 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-08 17:02:26,288 INFO L231 Difference]: Finished difference. Result has 33 places, 0 transitions, 0 flow
[2024-11-08 17:02:26,288 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=29, PETRI_DIFFERENCE_MINUEND_FLOW=55, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=23, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=23, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=33, PETRI_TRANSITIONS=0}
[2024-11-08 17:02:26,289 INFO L277 CegarLoopForPetriNet]: 34 programPoint places, -1 predicate places.
[2024-11-08 17:02:26,289 INFO L471 AbstractCegarLoop]: Abstraction has has 33 places, 0 transitions, 0 flow
[2024-11-08 17:02:26,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.5) internal successors, (42), 4 states have internal predecessors, (42), 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)
[2024-11-08 17:02:26,293 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 10 remaining)
[2024-11-08 17:02:26,293 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 10 remaining)
[2024-11-08 17:02:26,294 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining)
[2024-11-08 17:02:26,294 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining)
[2024-11-08 17:02:26,294 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (5 of 10 remaining)
[2024-11-08 17:02:26,295 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 10 remaining)
[2024-11-08 17:02:26,295 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining)
[2024-11-08 17:02:26,295 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining)
[2024-11-08 17:02:26,296 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining)
[2024-11-08 17:02:26,296 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining)
[2024-11-08 17:02:26,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 17:02:26,297 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1]
[2024-11-08 17:02:26,304 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-08 17:02:26,304 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 17:02:26,311 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 05:02:26 BasicIcfg
[2024-11-08 17:02:26,311 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 17:02:26,312 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 17:02:26,312 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 17:02:26,313 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 17:02:26,313 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 05:02:23" (3/4) ...
[2024-11-08 17:02:26,316 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-08 17:02:26,319 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2024-11-08 17:02:26,320 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2024-11-08 17:02:26,325 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 80 nodes and edges
[2024-11-08 17:02:26,325 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges
[2024-11-08 17:02:26,326 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-08 17:02:26,326 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges
[2024-11-08 17:02:26,439 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba293caf-1b4c-4e34-b507-5fd6eda6855a/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 17:02:26,439 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba293caf-1b4c-4e34-b507-5fd6eda6855a/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 17:02:26,439 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 17:02:26,440 INFO L158 Benchmark]: Toolchain (without parser) took 4704.06ms. Allocated memory was 125.8MB in the beginning and 241.2MB in the end (delta: 115.3MB). Free memory was 61.1MB in the beginning and 84.1MB in the end (delta: -23.0MB). Peak memory consumption was 95.2MB. Max. memory is 16.1GB.
[2024-11-08 17:02:26,441 INFO L158 Benchmark]: CDTParser took 1.18ms. Allocated memory is still 125.8MB. Free memory was 98.4MB in the beginning and 98.3MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 17:02:26,441 INFO L158 Benchmark]: CACSL2BoogieTranslator took 789.65ms. Allocated memory was 125.8MB in the beginning and 192.9MB in the end (delta: 67.1MB). Free memory was 61.0MB in the beginning and 138.8MB in the end (delta: -77.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB.
[2024-11-08 17:02:26,442 INFO L158 Benchmark]: Boogie Procedure Inliner took 75.21ms. Allocated memory is still 192.9MB. Free memory was 138.8MB in the beginning and 135.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 17:02:26,442 INFO L158 Benchmark]: Boogie Preprocessor took 98.24ms. Allocated memory is still 192.9MB. Free memory was 135.6MB in the beginning and 131.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 17:02:26,442 INFO L158 Benchmark]: RCFGBuilder took 1154.71ms. Allocated memory is still 192.9MB. Free memory was 131.4MB in the beginning and 102.9MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
[2024-11-08 17:02:26,443 INFO L158 Benchmark]: TraceAbstraction took 2448.71ms. Allocated memory was 192.9MB in the beginning and 241.2MB in the end (delta: 48.2MB). Free memory was 101.8MB in the beginning and 89.3MB in the end (delta: 12.5MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB.
[2024-11-08 17:02:26,443 INFO L158 Benchmark]: Witness Printer took 127.45ms. Allocated memory is still 241.2MB. Free memory was 89.3MB in the beginning and 84.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
[2024-11-08 17:02:26,446 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.18ms. Allocated memory is still 125.8MB. Free memory was 98.4MB in the beginning and 98.3MB in the end (delta: 132.9kB). There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 789.65ms. Allocated memory was 125.8MB in the beginning and 192.9MB in the end (delta: 67.1MB). Free memory was 61.0MB in the beginning and 138.8MB in the end (delta: -77.8MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 75.21ms. Allocated memory is still 192.9MB. Free memory was 138.8MB in the beginning and 135.6MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 98.24ms. Allocated memory is still 192.9MB. Free memory was 135.6MB in the beginning and 131.4MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* RCFGBuilder took 1154.71ms. Allocated memory is still 192.9MB. Free memory was 131.4MB in the beginning and 102.9MB in the end (delta: 28.6MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
* TraceAbstraction took 2448.71ms. Allocated memory was 192.9MB in the beginning and 241.2MB in the end (delta: 48.2MB). Free memory was 101.8MB in the beginning and 89.3MB in the end (delta: 12.5MB). Peak memory consumption was 61.8MB. Max. memory is 16.1GB.
* Witness Printer took 127.45ms. Allocated memory is still 241.2MB. Free memory was 89.3MB in the beginning and 84.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 751]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 751]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 795]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 795]: 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 5 procedures, 51 locations, 10 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: 2.3s, OverallIterations: 3, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 59 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 53 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 7 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 143 IncrementalHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 7 mSolverCounterUnsat, 1 mSDtfsCounter, 143 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 5 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=75occurred in iteration=1, InterpolantAutomatonStates: 11, 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, 0.2s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 37 NumberOfCodeBlocks, 37 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 102 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
4 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-08 17:02:26,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ba293caf-1b4c-4e34-b507-5fd6eda6855a/bin/uautomizer-verify-jihMAELWvX/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