./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.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_7b20bb5e-8607-407d-84ec-059dbba9c710/bin/uautomizer-verify-jihMAELWvX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b20bb5e-8607-407d-84ec-059dbba9c710/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_7b20bb5e-8607-407d-84ec-059dbba9c710/bin/uautomizer-verify-jihMAELWvX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b20bb5e-8607-407d-84ec-059dbba9c710/bin/uautomizer-verify-jihMAELWvX/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b20bb5e-8607-407d-84ec-059dbba9c710/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_7b20bb5e-8607-407d-84ec-059dbba9c710/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 6efd977ba774fd706e089a911dcd82549d76c764859cf8b84047b990ab28d067
--- Real Ultimate output ---
This is Ultimate 0.2.5-dev-a016563
[2024-11-08 19:21:31,134 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-08 19:21:31,204 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b20bb5e-8607-407d-84ec-059dbba9c710/bin/uautomizer-verify-jihMAELWvX/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-08 19:21:31,210 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-08 19:21:31,211 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-08 19:21:31,237 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-08 19:21:31,238 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-08 19:21:31,239 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-08 19:21:31,239 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-08 19:21:31,240 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-08 19:21:31,240 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-08 19:21:31,241 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-08 19:21:31,242 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-08 19:21:31,242 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-08 19:21:31,243 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-08 19:21:31,243 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-08 19:21:31,244 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-08 19:21:31,244 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-08 19:21:31,245 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-08 19:21:31,245 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-08 19:21:31,246 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-08 19:21:31,246 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-08 19:21:31,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-08 19:21:31,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-08 19:21:31,248 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-08 19:21:31,248 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-08 19:21:31,249 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-08 19:21:31,249 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-08 19:21:31,249 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-08 19:21:31,250 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-08 19:21:31,250 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-08 19:21:31,251 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-08 19:21:31,251 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-08 19:21:31,252 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-08 19:21:31,252 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 19:21:31,252 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-08 19:21:31,253 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-08 19:21:31,253 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-08 19:21:31,254 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-08 19:21:31,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-08 19:21:31,254 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-08 19:21:31,255 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-08 19:21:31,255 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-08 19:21:31,256 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-08 19:21:31,256 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_7b20bb5e-8607-407d-84ec-059dbba9c710/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b20bb5e-8607-407d-84ec-059dbba9c710/bin/uautomizer-verify-jihMAELWvX
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6efd977ba774fd706e089a911dcd82549d76c764859cf8b84047b990ab28d067
[2024-11-08 19:21:31,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-08 19:21:31,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-08 19:21:31,600 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-08 19:21:31,602 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-08 19:21:31,603 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-08 19:21:31,604 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b20bb5e-8607-407d-84ec-059dbba9c710/bin/uautomizer-verify-jihMAELWvX/../../sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i
Unable to find full path for "g++"
[2024-11-08 19:21:33,873 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-08 19:21:34,213 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-08 19:21:34,213 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b20bb5e-8607-407d-84ec-059dbba9c710/sv-benchmarks/c/pthread-wmm/rfi009_rmo.oepc.i
[2024-11-08 19:21:34,229 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b20bb5e-8607-407d-84ec-059dbba9c710/bin/uautomizer-verify-jihMAELWvX/data/f82724a6b/47e8bd7d6bcc4274a1515f0de9a06875/FLAGcbd1bd0ae
[2024-11-08 19:21:34,246 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b20bb5e-8607-407d-84ec-059dbba9c710/bin/uautomizer-verify-jihMAELWvX/data/f82724a6b/47e8bd7d6bcc4274a1515f0de9a06875
[2024-11-08 19:21:34,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-08 19:21:34,252 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-08 19:21:34,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-08 19:21:34,254 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-08 19:21:34,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-08 19:21:34,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:21:34" (1/1) ...
[2024-11-08 19:21:34,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6c7a5024 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:34, skipping insertion in model container
[2024-11-08 19:21:34,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 07:21:34" (1/1) ...
[2024-11-08 19:21:34,332 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-08 19:21:34,847 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 19:21:34,865 INFO L200 MainTranslator]: Completed pre-run
[2024-11-08 19:21:34,996 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-08 19:21:35,061 INFO L204 MainTranslator]: Completed translation
[2024-11-08 19:21:35,062 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:35 WrapperNode
[2024-11-08 19:21:35,062 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-08 19:21:35,064 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-08 19:21:35,064 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-08 19:21:35,065 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-08 19:21:35,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:35" (1/1) ...
[2024-11-08 19:21:35,104 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:35" (1/1) ...
[2024-11-08 19:21:35,158 INFO L138 Inliner]: procedures = 175, calls = 62, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 128
[2024-11-08 19:21:35,159 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-08 19:21:35,160 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-08 19:21:35,160 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-08 19:21:35,160 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-08 19:21:35,177 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:35" (1/1) ...
[2024-11-08 19:21:35,177 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:35" (1/1) ...
[2024-11-08 19:21:35,189 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:35" (1/1) ...
[2024-11-08 19:21:35,235 INFO L175 MemorySlicer]: Split 21 memory accesses to 2 slices as follows [2, 19]. 90 percent of accesses are in the largest equivalence class. The 3 initializations are split as follows [2, 1]. The 7 writes are split as follows [0, 7].
[2024-11-08 19:21:35,239 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:35" (1/1) ...
[2024-11-08 19:21:35,240 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:35" (1/1) ...
[2024-11-08 19:21:35,270 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:35" (1/1) ...
[2024-11-08 19:21:35,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:35" (1/1) ...
[2024-11-08 19:21:35,288 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:35" (1/1) ...
[2024-11-08 19:21:35,290 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:35" (1/1) ...
[2024-11-08 19:21:35,298 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-08 19:21:35,299 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-08 19:21:35,303 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-08 19:21:35,303 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-08 19:21:35,304 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:35" (1/1) ...
[2024-11-08 19:21:35,315 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-08 19:21:35,329 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b20bb5e-8607-407d-84ec-059dbba9c710/bin/uautomizer-verify-jihMAELWvX/z3
[2024-11-08 19:21:35,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b20bb5e-8607-407d-84ec-059dbba9c710/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-08 19:21:35,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b20bb5e-8607-407d-84ec-059dbba9c710/bin/uautomizer-verify-jihMAELWvX/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-08 19:21:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-08 19:21:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-08 19:21:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-08 19:21:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-08 19:21:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2024-11-08 19:21:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-08 19:21:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure P0
[2024-11-08 19:21:35,410 INFO L138 BoogieDeclarations]: Found implementation of procedure P0
[2024-11-08 19:21:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure P1
[2024-11-08 19:21:35,412 INFO L138 BoogieDeclarations]: Found implementation of procedure P1
[2024-11-08 19:21:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure P2
[2024-11-08 19:21:35,413 INFO L138 BoogieDeclarations]: Found implementation of procedure P2
[2024-11-08 19:21:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-08 19:21:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-08 19:21:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2024-11-08 19:21:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-08 19:21:35,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-08 19:21:35,417 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 19:21:35,646 INFO L238 CfgBuilder]: Building ICFG
[2024-11-08 19:21:35,649 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-08 19:21:36,200 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-08 19:21:36,201 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-08 19:21:36,746 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-08 19:21:36,747 INFO L316 CfgBuilder]: Removed 0 assume(true) statements.
[2024-11-08 19:21:36,747 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:21:36 BoogieIcfgContainer
[2024-11-08 19:21:36,747 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-08 19:21:36,749 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-08 19:21:36,750 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-08 19:21:36,753 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-08 19:21:36,754 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.11 07:21:34" (1/3) ...
[2024-11-08 19:21:36,755 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d127f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:21:36, skipping insertion in model container
[2024-11-08 19:21:36,756 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 07:21:35" (2/3) ...
[2024-11-08 19:21:36,756 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28d127f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.11 07:21:36, skipping insertion in model container
[2024-11-08 19:21:36,758 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:21:36" (3/3) ...
[2024-11-08 19:21:36,759 INFO L112 eAbstractionObserver]: Analyzing ICFG rfi009_rmo.oepc.i
[2024-11-08 19:21:36,784 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-08 19:21:36,784 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2024-11-08 19:21:36,784 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-08 19:21:36,875 INFO L143 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions.
[2024-11-08 19:21:36,921 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 49 places, 39 transitions, 90 flow
[2024-11-08 19:21:36,956 INFO L124 PetriNetUnfolderBase]: 0/36 cut-off events.
[2024-11-08 19:21:36,956 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 19:21:36,959 INFO L83 FinitePrefix]: Finished finitePrefix Result has 46 conditions, 36 events. 0/36 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 91 event pairs, 0 based on Foata normal form. 0/30 useless extension candidates. Maximal degree in co-relation 0. Up to 1 conditions per place.
[2024-11-08 19:21:36,959 INFO L82 GeneralOperation]: Start removeDead. Operand has 49 places, 39 transitions, 90 flow
[2024-11-08 19:21:36,963 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 36 transitions, 81 flow
[2024-11-08 19:21:36,973 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-08 19:21:36,980 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;@35052e4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-08 19:21:36,982 INFO L334 AbstractCegarLoop]: Starting to check reachability of 15 error locations.
[2024-11-08 19:21:36,993 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-08 19:21:36,993 INFO L124 PetriNetUnfolderBase]: 0/15 cut-off events.
[2024-11-08 19:21:36,994 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-08 19:21:36,994 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 19:21:36,995 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:21:36,995 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-08 19:21:37,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:21:37,002 INFO L85 PathProgramCache]: Analyzing trace with hash 349786491, now seen corresponding path program 1 times
[2024-11-08 19:21:37,014 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:21:37,015 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308012110]
[2024-11-08 19:21:37,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:21:37,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:21:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:21:37,520 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 19:21:37,520 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:21:37,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308012110]
[2024-11-08 19:21:37,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308012110] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:21:37,522 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:21:37,522 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-08 19:21:37,524 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134267495]
[2024-11-08 19:21:37,525 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:21:37,536 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-08 19:21:37,546 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:21:37,580 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-08 19:21:37,581 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-08 19:21:37,590 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39
[2024-11-08 19:21:37,593 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 36 transitions, 81 flow. Second operand has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 19:21:37,593 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 19:21:37,594 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39
[2024-11-08 19:21:37,596 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 19:21:38,784 INFO L124 PetriNetUnfolderBase]: 2487/3671 cut-off events.
[2024-11-08 19:21:38,785 INFO L125 PetriNetUnfolderBase]: For 22/22 co-relation queries the response was YES.
[2024-11-08 19:21:38,805 INFO L83 FinitePrefix]: Finished finitePrefix Result has 7382 conditions, 3671 events. 2487/3671 cut-off events. For 22/22 co-relation queries the response was YES. Maximal size of possible extension queue 287. Compared 21067 event pairs, 887 based on Foata normal form. 0/2876 useless extension candidates. Maximal degree in co-relation 7371. Up to 3445 conditions per place.
[2024-11-08 19:21:38,832 INFO L140 encePairwiseOnDemand]: 29/39 looper letters, 39 selfloop transitions, 4 changer transitions 0/52 dead transitions.
[2024-11-08 19:21:38,833 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 52 transitions, 205 flow
[2024-11-08 19:21:38,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-08 19:21:38,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-08 19:21:38,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 85 transitions.
[2024-11-08 19:21:38,849 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7264957264957265
[2024-11-08 19:21:38,851 INFO L175 Difference]: Start difference. First operand has 46 places, 36 transitions, 81 flow. Second operand 3 states and 85 transitions.
[2024-11-08 19:21:38,852 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 52 transitions, 205 flow
[2024-11-08 19:21:38,857 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 52 transitions, 200 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-08 19:21:38,862 INFO L231 Difference]: Finished difference. Result has 46 places, 39 transitions, 114 flow
[2024-11-08 19:21:38,867 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=78, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=114, PETRI_PLACES=46, PETRI_TRANSITIONS=39}
[2024-11-08 19:21:38,873 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 0 predicate places.
[2024-11-08 19:21:38,873 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 39 transitions, 114 flow
[2024-11-08 19:21:38,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.333333333333334) internal successors, (40), 3 states have internal predecessors, (40), 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 19:21:38,874 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 19:21:38,874 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:21:38,875 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-08 19:21:38,875 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-08 19:21:38,876 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:21:38,876 INFO L85 PathProgramCache]: Analyzing trace with hash 204671732, now seen corresponding path program 1 times
[2024-11-08 19:21:38,876 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:21:38,877 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883971989]
[2024-11-08 19:21:38,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:21:38,877 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:21:38,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:21:39,103 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 19:21:39,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:21:39,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883971989]
[2024-11-08 19:21:39,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1883971989] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:21:39,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:21:39,106 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 19:21:39,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1899898448]
[2024-11-08 19:21:39,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:21:39,107 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 19:21:39,108 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:21:39,108 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 19:21:39,109 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:21:39,119 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39
[2024-11-08 19:21:39,119 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 39 transitions, 114 flow. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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 19:21:39,120 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 19:21:39,120 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39
[2024-11-08 19:21:39,120 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 19:21:40,000 INFO L124 PetriNetUnfolderBase]: 1699/2527 cut-off events.
[2024-11-08 19:21:40,001 INFO L125 PetriNetUnfolderBase]: For 218/218 co-relation queries the response was YES.
[2024-11-08 19:21:40,006 INFO L83 FinitePrefix]: Finished finitePrefix Result has 5938 conditions, 2527 events. 1699/2527 cut-off events. For 218/218 co-relation queries the response was YES. Maximal size of possible extension queue 178. Compared 13679 event pairs, 529 based on Foata normal form. 0/2196 useless extension candidates. Maximal degree in co-relation 5927. Up to 2300 conditions per place.
[2024-11-08 19:21:40,021 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 36 selfloop transitions, 4 changer transitions 0/49 dead transitions.
[2024-11-08 19:21:40,021 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 46 places, 49 transitions, 212 flow
[2024-11-08 19:21:40,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 19:21:40,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 19:21:40,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 91 transitions.
[2024-11-08 19:21:40,023 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5833333333333334
[2024-11-08 19:21:40,023 INFO L175 Difference]: Start difference. First operand has 46 places, 39 transitions, 114 flow. Second operand 4 states and 91 transitions.
[2024-11-08 19:21:40,023 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 46 places, 49 transitions, 212 flow
[2024-11-08 19:21:40,024 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 45 places, 49 transitions, 208 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-08 19:21:40,027 INFO L231 Difference]: Finished difference. Result has 45 places, 36 transitions, 106 flow
[2024-11-08 19:21:40,028 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=98, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=32, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=106, PETRI_PLACES=45, PETRI_TRANSITIONS=36}
[2024-11-08 19:21:40,029 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -1 predicate places.
[2024-11-08 19:21:40,029 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 36 transitions, 106 flow
[2024-11-08 19:21:40,030 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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 19:21:40,031 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 19:21:40,031 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:21:40,031 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-08 19:21:40,032 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-08 19:21:40,032 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:21:40,034 INFO L85 PathProgramCache]: Analyzing trace with hash -797536493, now seen corresponding path program 1 times
[2024-11-08 19:21:40,035 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:21:40,035 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491545441]
[2024-11-08 19:21:40,035 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:21:40,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:21:40,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:21:40,261 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 19:21:40,261 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:21:40,261 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491545441]
[2024-11-08 19:21:40,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [491545441] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:21:40,262 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:21:40,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-08 19:21:40,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459800731]
[2024-11-08 19:21:40,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:21:40,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-08 19:21:40,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:21:40,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-08 19:21:40,264 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2024-11-08 19:21:40,269 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39
[2024-11-08 19:21:40,270 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 36 transitions, 106 flow. Second operand has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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 19:21:40,270 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 19:21:40,270 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39
[2024-11-08 19:21:40,271 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 19:21:40,887 INFO L124 PetriNetUnfolderBase]: 1211/1827 cut-off events.
[2024-11-08 19:21:40,888 INFO L125 PetriNetUnfolderBase]: For 418/418 co-relation queries the response was YES.
[2024-11-08 19:21:40,892 INFO L83 FinitePrefix]: Finished finitePrefix Result has 4211 conditions, 1827 events. 1211/1827 cut-off events. For 418/418 co-relation queries the response was YES. Maximal size of possible extension queue 111. Compared 9322 event pairs, 179 based on Foata normal form. 0/1744 useless extension candidates. Maximal degree in co-relation 4199. Up to 985 conditions per place.
[2024-11-08 19:21:40,903 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 47 selfloop transitions, 7 changer transitions 3/66 dead transitions.
[2024-11-08 19:21:40,903 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 66 transitions, 292 flow
[2024-11-08 19:21:40,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-08 19:21:40,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-08 19:21:40,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 108 transitions.
[2024-11-08 19:21:40,909 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6923076923076923
[2024-11-08 19:21:40,909 INFO L175 Difference]: Start difference. First operand has 45 places, 36 transitions, 106 flow. Second operand 4 states and 108 transitions.
[2024-11-08 19:21:40,911 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 66 transitions, 292 flow
[2024-11-08 19:21:40,912 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 66 transitions, 287 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-08 19:21:40,916 INFO L231 Difference]: Finished difference. Result has 47 places, 36 transitions, 127 flow
[2024-11-08 19:21:40,916 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=29, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=127, PETRI_PLACES=47, PETRI_TRANSITIONS=36}
[2024-11-08 19:21:40,917 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, 1 predicate places.
[2024-11-08 19:21:40,918 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 36 transitions, 127 flow
[2024-11-08 19:21:40,919 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 14.75) internal successors, (59), 4 states have internal predecessors, (59), 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 19:21:40,919 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-08 19:21:40,919 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-08 19:21:40,919 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-08 19:21:40,920 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (and 11 more)] ===
[2024-11-08 19:21:40,920 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-08 19:21:40,920 INFO L85 PathProgramCache]: Analyzing trace with hash -1197172318, now seen corresponding path program 1 times
[2024-11-08 19:21:40,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-08 19:21:40,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370218868]
[2024-11-08 19:21:40,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-08 19:21:40,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-08 19:21:40,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-08 19:21:41,186 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 19:21:41,186 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-08 19:21:41,186 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370218868]
[2024-11-08 19:21:41,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370218868] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-08 19:21:41,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-08 19:21:41,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-08 19:21:41,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985645643]
[2024-11-08 19:21:41,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-08 19:21:41,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-08 19:21:41,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-08 19:21:41,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-08 19:21:41,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20
[2024-11-08 19:21:41,200 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 12 out of 39
[2024-11-08 19:21:41,201 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 36 transitions, 127 flow. Second operand has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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 19:21:41,202 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-08 19:21:41,203 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 12 of 39
[2024-11-08 19:21:41,203 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-08 19:21:41,832 INFO L124 PetriNetUnfolderBase]: 943/1439 cut-off events.
[2024-11-08 19:21:41,833 INFO L125 PetriNetUnfolderBase]: For 972/972 co-relation queries the response was YES.
[2024-11-08 19:21:41,838 INFO L83 FinitePrefix]: Finished finitePrefix Result has 3750 conditions, 1439 events. 943/1439 cut-off events. For 972/972 co-relation queries the response was YES. Maximal size of possible extension queue 105. Compared 7383 event pairs, 119 based on Foata normal form. 72/1500 useless extension candidates. Maximal degree in co-relation 3737. Up to 616 conditions per place.
[2024-11-08 19:21:41,840 INFO L140 encePairwiseOnDemand]: 32/39 looper letters, 0 selfloop transitions, 0 changer transitions 60/60 dead transitions.
[2024-11-08 19:21:41,841 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 60 transitions, 271 flow
[2024-11-08 19:21:41,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-08 19:21:41,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-08 19:21:41,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 114 transitions.
[2024-11-08 19:21:41,845 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5846153846153846
[2024-11-08 19:21:41,846 INFO L175 Difference]: Start difference. First operand has 47 places, 36 transitions, 127 flow. Second operand 5 states and 114 transitions.
[2024-11-08 19:21:41,846 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 60 transitions, 271 flow
[2024-11-08 19:21:41,849 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 60 transitions, 247 flow, removed 3 selfloop flow, removed 4 redundant places.
[2024-11-08 19:21:41,851 INFO L231 Difference]: Finished difference. Result has 44 places, 0 transitions, 0 flow
[2024-11-08 19:21:41,851 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=39, PETRI_DIFFERENCE_MINUEND_FLOW=85, PETRI_DIFFERENCE_MINUEND_PLACES=40, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=33, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=0, PETRI_PLACES=44, PETRI_TRANSITIONS=0}
[2024-11-08 19:21:41,854 INFO L277 CegarLoopForPetriNet]: 46 programPoint places, -2 predicate places.
[2024-11-08 19:21:41,854 INFO L471 AbstractCegarLoop]: Abstraction has has 44 places, 0 transitions, 0 flow
[2024-11-08 19:21:41,855 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.6) internal successors, (73), 5 states have internal predecessors, (73), 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 19:21:41,858 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 15 remaining)
[2024-11-08 19:21:41,860 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 15 remaining)
[2024-11-08 19:21:41,860 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 15 remaining)
[2024-11-08 19:21:41,861 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 15 remaining)
[2024-11-08 19:21:41,861 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 15 remaining)
[2024-11-08 19:21:41,861 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 15 remaining)
[2024-11-08 19:21:41,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 15 remaining)
[2024-11-08 19:21:41,862 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (7 of 15 remaining)
[2024-11-08 19:21:41,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (6 of 15 remaining)
[2024-11-08 19:21:41,863 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 15 remaining)
[2024-11-08 19:21:41,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P0Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 15 remaining)
[2024-11-08 19:21:41,864 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 15 remaining)
[2024-11-08 19:21:41,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 15 remaining)
[2024-11-08 19:21:41,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 15 remaining)
[2024-11-08 19:21:41,865 INFO L782 garLoopResultBuilder]: Registering result SAFE for location P2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 15 remaining)
[2024-11-08 19:21:41,866 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-08 19:21:41,867 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1]
[2024-11-08 19:21:41,875 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-08 19:21:41,876 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-08 19:21:41,884 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.11 07:21:41 BasicIcfg
[2024-11-08 19:21:41,884 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-08 19:21:41,885 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-08 19:21:41,886 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-08 19:21:41,886 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-08 19:21:41,887 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 07:21:36" (3/4) ...
[2024-11-08 19:21:41,889 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-08 19:21:41,894 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P0
[2024-11-08 19:21:41,894 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P1
[2024-11-08 19:21:41,894 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure P2
[2024-11-08 19:21:41,901 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 73 nodes and edges
[2024-11-08 19:21:41,901 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges
[2024-11-08 19:21:41,902 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-11-08 19:21:41,902 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-08 19:21:42,018 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b20bb5e-8607-407d-84ec-059dbba9c710/bin/uautomizer-verify-jihMAELWvX/witness.graphml
[2024-11-08 19:21:42,018 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b20bb5e-8607-407d-84ec-059dbba9c710/bin/uautomizer-verify-jihMAELWvX/witness.yml
[2024-11-08 19:21:42,019 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-08 19:21:42,019 INFO L158 Benchmark]: Toolchain (without parser) took 7767.10ms. Allocated memory was 125.8MB in the beginning and 331.4MB in the end (delta: 205.5MB). Free memory was 87.6MB in the beginning and 210.5MB in the end (delta: -122.8MB). Peak memory consumption was 84.0MB. Max. memory is 16.1GB.
[2024-11-08 19:21:42,020 INFO L158 Benchmark]: CDTParser took 1.87ms. Allocated memory is still 125.8MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-08 19:21:42,020 INFO L158 Benchmark]: CACSL2BoogieTranslator took 809.28ms. Allocated memory is still 125.8MB. Free memory was 87.6MB in the beginning and 60.8MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
[2024-11-08 19:21:42,021 INFO L158 Benchmark]: Boogie Procedure Inliner took 94.94ms. Allocated memory is still 125.8MB. Free memory was 60.8MB in the beginning and 58.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-08 19:21:42,021 INFO L158 Benchmark]: Boogie Preprocessor took 138.84ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 58.4MB in the beginning and 134.9MB in the end (delta: -76.6MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB.
[2024-11-08 19:21:42,022 INFO L158 Benchmark]: RCFGBuilder took 1448.36ms. Allocated memory is still 165.7MB. Free memory was 134.8MB in the beginning and 115.4MB in the end (delta: 19.4MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB.
[2024-11-08 19:21:42,022 INFO L158 Benchmark]: TraceAbstraction took 5135.32ms. Allocated memory was 165.7MB in the beginning and 331.4MB in the end (delta: 165.7MB). Free memory was 114.4MB in the beginning and 215.7MB in the end (delta: -101.3MB). Peak memory consumption was 148.2MB. Max. memory is 16.1GB.
[2024-11-08 19:21:42,023 INFO L158 Benchmark]: Witness Printer took 133.38ms. Allocated memory is still 331.4MB. Free memory was 215.7MB in the beginning and 210.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-08 19:21:42,025 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 1.87ms. Allocated memory is still 125.8MB. Free memory is still 71.9MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 809.28ms. Allocated memory is still 125.8MB. Free memory was 87.6MB in the beginning and 60.8MB in the end (delta: 26.8MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 94.94ms. Allocated memory is still 125.8MB. Free memory was 60.8MB in the beginning and 58.4MB in the end (delta: 2.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 138.84ms. Allocated memory was 125.8MB in the beginning and 165.7MB in the end (delta: 39.8MB). Free memory was 58.4MB in the beginning and 134.9MB in the end (delta: -76.6MB). Peak memory consumption was 9.6MB. Max. memory is 16.1GB.
* RCFGBuilder took 1448.36ms. Allocated memory is still 165.7MB. Free memory was 134.8MB in the beginning and 115.4MB in the end (delta: 19.4MB). Peak memory consumption was 75.1MB. Max. memory is 16.1GB.
* TraceAbstraction took 5135.32ms. Allocated memory was 165.7MB in the beginning and 331.4MB in the end (delta: 165.7MB). Free memory was 114.4MB in the beginning and 215.7MB in the end (delta: -101.3MB). Peak memory consumption was 148.2MB. Max. memory is 16.1GB.
* Witness Printer took 133.38ms. Allocated memory is still 331.4MB. Free memory was 215.7MB in the beginning and 210.5MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 786]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 786]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 817]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 817]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 834]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 834]: 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 7 procedures, 70 locations, 15 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: 5.0s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 3.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 137 SdHoareTripleChecker+Valid, 0.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 129 mSDsluCounter, 2 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 23 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 268 IncrementalHoareTripleChecker+Invalid, 291 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 23 mSolverCounterUnsat, 2 mSDtfsCounter, 268 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=127occurred in iteration=3, InterpolantAutomatonStates: 16, 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, 0.8s InterpolantComputationTime, 58 NumberOfCodeBlocks, 58 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 54 ConstructedInterpolants, 0 QuantifiedInterpolants, 162 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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
6 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-08 19:21:42,064 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b20bb5e-8607-407d-84ec-059dbba9c710/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