./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 6497de01
Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) )
--witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40
--- Real Ultimate output ---
This is Ultimate 0.3.0-dev-6497de0
[2024-11-24 01:03:40,529 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-24 01:03:40,628 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-24 01:03:40,641 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-24 01:03:40,641 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-24 01:03:40,666 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-24 01:03:40,666 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-24 01:03:40,667 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-24 01:03:40,667 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-24 01:03:40,667 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-24 01:03:40,667 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-24 01:03:40,667 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-24 01:03:40,668 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-24 01:03:40,668 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-24 01:03:40,668 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-24 01:03:40,668 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-24 01:03:40,669 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-24 01:03:40,669 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-24 01:03:40,669 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-24 01:03:40,669 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-24 01:03:40,669 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-24 01:03:40,669 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-24 01:03:40,670 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-24 01:03:40,670 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-24 01:03:40,670 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-24 01:03:40,670 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-24 01:03:40,670 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-24 01:03:40,670 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-24 01:03:40,670 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR
[2024-11-24 01:03:40,671 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-24 01:03:40,671 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults:
[2024-11-24 01:03:40,671 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:03:40,671 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:03:40,671 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:03:40,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:03:40,672 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-24 01:03:40,672 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-24 01:03:40,672 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-24 01:03:40,672 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-24 01:03:40,672 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:03:40,672 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-24 01:03:40,672 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-24 01:03:40,673 INFO L153 SettingsManager]: * Compute procedure contracts=false
[2024-11-24 01:03:40,673 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-24 01:03:40,673 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-24 01:03:40,673 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-24 01:03:40,673 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-24 01:03:40,673 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-24 01:03:40,673 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-24 01:03:40,673 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-24 01:03:40,674 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8fcb457b1bed8494a9a3b58e82500f367f4337ac38b5a41a5dad0da896f97e40
[2024-11-24 01:03:40,989 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-24 01:03:40,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-24 01:03:41,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-24 01:03:41,002 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-24 01:03:41,003 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-24 01:03:41,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i
[2024-11-24 01:03:43,964 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/data/404e01967/b2a3dd93462e4207ae9794d201d65a03/FLAG290a18a2e
[2024-11-24 01:03:44,392 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-24 01:03:44,394 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/sv-benchmarks/c/pthread-deagle/circular_buffer_ok.i
[2024-11-24 01:03:44,415 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/data/404e01967/b2a3dd93462e4207ae9794d201d65a03/FLAG290a18a2e
[2024-11-24 01:03:44,438 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/data/404e01967/b2a3dd93462e4207ae9794d201d65a03
[2024-11-24 01:03:44,441 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-24 01:03:44,444 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-24 01:03:44,446 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-24 01:03:44,446 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-24 01:03:44,451 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-24 01:03:44,452 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:03:44" (1/1) ...
[2024-11-24 01:03:44,454 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3386727b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:03:44, skipping insertion in model container
[2024-11-24 01:03:44,455 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 01:03:44" (1/1) ...
[2024-11-24 01:03:44,503 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-24 01:03:44,858 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:03:44,873 INFO L200 MainTranslator]: Completed pre-run
[2024-11-24 01:03:44,932 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-24 01:03:44,969 INFO L204 MainTranslator]: Completed translation
[2024-11-24 01:03:44,970 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:03:44 WrapperNode
[2024-11-24 01:03:44,970 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-24 01:03:44,971 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-24 01:03:44,971 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-24 01:03:44,972 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-24 01:03:44,979 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:03:44" (1/1) ...
[2024-11-24 01:03:44,990 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:03:44" (1/1) ...
[2024-11-24 01:03:45,012 INFO L138 Inliner]: procedures = 168, calls = 41, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 153
[2024-11-24 01:03:45,012 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-24 01:03:45,013 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-24 01:03:45,013 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-24 01:03:45,013 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-24 01:03:45,022 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:03:44" (1/1) ...
[2024-11-24 01:03:45,022 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:03:44" (1/1) ...
[2024-11-24 01:03:45,025 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:03:44" (1/1) ...
[2024-11-24 01:03:45,040 INFO L175 MemorySlicer]: Split 23 memory accesses to 4 slices as follows [2, 1, 12, 8]. 52 percent of accesses are in the largest equivalence class. The 21 initializations are split as follows [2, 1, 10, 8]. The 1 writes are split as follows [0, 0, 1, 0].
[2024-11-24 01:03:45,040 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:03:44" (1/1) ...
[2024-11-24 01:03:45,040 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:03:44" (1/1) ...
[2024-11-24 01:03:45,048 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:03:44" (1/1) ...
[2024-11-24 01:03:45,049 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:03:44" (1/1) ...
[2024-11-24 01:03:45,052 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:03:44" (1/1) ...
[2024-11-24 01:03:45,054 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:03:44" (1/1) ...
[2024-11-24 01:03:45,055 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:03:44" (1/1) ...
[2024-11-24 01:03:45,058 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-24 01:03:45,059 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-24 01:03:45,059 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-24 01:03:45,059 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-24 01:03:45,060 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:03:44" (1/1) ...
[2024-11-24 01:03:45,066 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-24 01:03:45,082 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:03:45,096 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-24 01:03:45,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-24 01:03:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-24 01:03:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-24 01:03:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-24 01:03:45,128 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2024-11-24 01:03:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure t1
[2024-11-24 01:03:45,129 INFO L138 BoogieDeclarations]: Found implementation of procedure t1
[2024-11-24 01:03:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure t2
[2024-11-24 01:03:45,129 INFO L138 BoogieDeclarations]: Found implementation of procedure t2
[2024-11-24 01:03:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-24 01:03:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-24 01:03:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-24 01:03:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2024-11-24 01:03:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-24 01:03:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-24 01:03:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-11-24 01:03:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-11-24 01:03:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2
[2024-11-24 01:03:45,129 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3
[2024-11-24 01:03:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-24 01:03:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-24 01:03:45,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-24 01:03:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-11-24 01:03:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-24 01:03:45,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-24 01:03:45,132 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-24 01:03:45,133 WARN L203 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-24 01:03:45,344 INFO L234 CfgBuilder]: Building ICFG
[2024-11-24 01:03:45,347 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-24 01:03:45,768 INFO L279 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-24 01:03:45,769 INFO L283 CfgBuilder]: Performing block encoding
[2024-11-24 01:03:46,148 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-24 01:03:46,148 INFO L312 CfgBuilder]: Removed 2 assume(true) statements.
[2024-11-24 01:03:46,149 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:03:46 BoogieIcfgContainer
[2024-11-24 01:03:46,149 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-24 01:03:46,151 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-24 01:03:46,151 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-24 01:03:46,156 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-24 01:03:46,157 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 01:03:44" (1/3) ...
[2024-11-24 01:03:46,157 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46177b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:03:46, skipping insertion in model container
[2024-11-24 01:03:46,158 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 01:03:44" (2/3) ...
[2024-11-24 01:03:46,159 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@46177b92 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 01:03:46, skipping insertion in model container
[2024-11-24 01:03:46,159 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:03:46" (3/3) ...
[2024-11-24 01:03:46,160 INFO L128 eAbstractionObserver]: Analyzing ICFG circular_buffer_ok.i
[2024-11-24 01:03:46,178 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-24 01:03:46,179 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG circular_buffer_ok.i that has 3 procedures, 31 locations, 1 initial locations, 2 loop locations, and 4 error locations.
[2024-11-24 01:03:46,180 INFO L491 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-24 01:03:46,261 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-11-24 01:03:46,303 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 37 places, 32 transitions, 78 flow
[2024-11-24 01:03:46,350 INFO L124 PetriNetUnfolderBase]: 2/30 cut-off events.
[2024-11-24 01:03:46,354 INFO L125 PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2024-11-24 01:03:46,361 INFO L83 FinitePrefix]: Finished finitePrefix Result has 39 conditions, 30 events. 2/30 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 59 event pairs, 0 based on Foata normal form. 0/24 useless extension candidates. Maximal degree in co-relation 27. Up to 2 conditions per place.
[2024-11-24 01:03:46,361 INFO L82 GeneralOperation]: Start removeDead. Operand has 37 places, 32 transitions, 78 flow
[2024-11-24 01:03:46,364 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 33 places, 28 transitions, 65 flow
[2024-11-24 01:03:46,376 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-24 01:03:46,393 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;@5a8d68a1, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-24 01:03:46,393 INFO L334 AbstractCegarLoop]: Starting to check reachability of 10 error locations.
[2024-11-24 01:03:46,410 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-24 01:03:46,410 INFO L124 PetriNetUnfolderBase]: 0/19 cut-off events.
[2024-11-24 01:03:46,410 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-24 01:03:46,410 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:03:46,411 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:03:46,412 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] ===
[2024-11-24 01:03:46,418 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:03:46,418 INFO L85 PathProgramCache]: Analyzing trace with hash 158303338, now seen corresponding path program 1 times
[2024-11-24 01:03:46,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:03:46,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033992791]
[2024-11-24 01:03:46,426 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:03:46,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:03:46,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:03:46,905 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:03:46,905 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:03:46,906 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033992791]
[2024-11-24 01:03:46,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033992791] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:03:46,906 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:03:46,907 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 01:03:46,908 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [506958474]
[2024-11-24 01:03:46,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:03:46,916 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:03:46,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:03:46,943 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:03:46,943 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:03:46,962 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 32
[2024-11-24 01:03:46,965 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 33 places, 28 transitions, 65 flow. Second operand has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 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)
[2024-11-24 01:03:46,965 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:03:46,965 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 32
[2024-11-24 01:03:46,966 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:03:47,457 INFO L124 PetriNetUnfolderBase]: 330/635 cut-off events.
[2024-11-24 01:03:47,458 INFO L125 PetriNetUnfolderBase]: For 18/18 co-relation queries the response was YES.
[2024-11-24 01:03:47,462 INFO L83 FinitePrefix]: Finished finitePrefix Result has 1238 conditions, 635 events. 330/635 cut-off events. For 18/18 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 2741 event pairs, 180 based on Foata normal form. 32/642 useless extension candidates. Maximal degree in co-relation 1193. Up to 368 conditions per place.
[2024-11-24 01:03:47,468 INFO L140 encePairwiseOnDemand]: 26/32 looper letters, 44 selfloop transitions, 3 changer transitions 0/53 dead transitions.
[2024-11-24 01:03:47,468 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 36 places, 53 transitions, 215 flow
[2024-11-24 01:03:47,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 01:03:47,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-24 01:03:47,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 82 transitions.
[2024-11-24 01:03:47,484 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.640625
[2024-11-24 01:03:47,487 INFO L175 Difference]: Start difference. First operand has 33 places, 28 transitions, 65 flow. Second operand 4 states and 82 transitions.
[2024-11-24 01:03:47,488 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 36 places, 53 transitions, 215 flow
[2024-11-24 01:03:47,494 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 33 places, 53 transitions, 208 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-24 01:03:47,500 INFO L231 Difference]: Finished difference. Result has 35 places, 30 transitions, 84 flow
[2024-11-24 01:03:47,502 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=60, PETRI_DIFFERENCE_MINUEND_PLACES=30, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=84, PETRI_PLACES=35, PETRI_TRANSITIONS=30}
[2024-11-24 01:03:47,508 INFO L279 CegarLoopForPetriNet]: 33 programPoint places, 2 predicate places.
[2024-11-24 01:03:47,508 INFO L471 AbstractCegarLoop]: Abstraction has has 35 places, 30 transitions, 84 flow
[2024-11-24 01:03:47,508 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.0) internal successors, (40), 4 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)
[2024-11-24 01:03:47,508 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:03:47,508 INFO L206 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:03:47,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-24 01:03:47,509 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] ===
[2024-11-24 01:03:47,509 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:03:47,510 INFO L85 PathProgramCache]: Analyzing trace with hash -139607708, now seen corresponding path program 1 times
[2024-11-24 01:03:47,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:03:47,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811370800]
[2024-11-24 01:03:47,510 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:03:47,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:03:47,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:03:47,760 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:03:47,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:03:47,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811370800]
[2024-11-24 01:03:47,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811370800] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:03:47,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:03:47,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 01:03:47,761 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771017881]
[2024-11-24 01:03:47,761 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:03:47,762 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:03:47,762 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:03:47,762 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:03:47,763 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:03:47,774 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 32
[2024-11-24 01:03:47,774 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 35 places, 30 transitions, 84 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)
[2024-11-24 01:03:47,774 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:03:47,774 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 32
[2024-11-24 01:03:47,775 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:03:48,180 INFO L124 PetriNetUnfolderBase]: 543/1046 cut-off events.
[2024-11-24 01:03:48,180 INFO L125 PetriNetUnfolderBase]: For 277/309 co-relation queries the response was YES.
[2024-11-24 01:03:48,185 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2254 conditions, 1046 events. 543/1046 cut-off events. For 277/309 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 4899 event pairs, 313 based on Foata normal form. 50/1068 useless extension candidates. Maximal degree in co-relation 1769. Up to 609 conditions per place.
[2024-11-24 01:03:48,194 INFO L140 encePairwiseOnDemand]: 26/32 looper letters, 48 selfloop transitions, 3 changer transitions 0/57 dead transitions.
[2024-11-24 01:03:48,194 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 38 places, 57 transitions, 274 flow
[2024-11-24 01:03:48,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 01:03:48,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-24 01:03:48,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 80 transitions.
[2024-11-24 01:03:48,197 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.625
[2024-11-24 01:03:48,197 INFO L175 Difference]: Start difference. First operand has 35 places, 30 transitions, 84 flow. Second operand 4 states and 80 transitions.
[2024-11-24 01:03:48,197 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 38 places, 57 transitions, 274 flow
[2024-11-24 01:03:48,198 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 37 places, 57 transitions, 268 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 01:03:48,201 INFO L231 Difference]: Finished difference. Result has 39 places, 32 transitions, 106 flow
[2024-11-24 01:03:48,202 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=82, PETRI_DIFFERENCE_MINUEND_PLACES=34, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=27, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=106, PETRI_PLACES=39, PETRI_TRANSITIONS=32}
[2024-11-24 01:03:48,203 INFO L279 CegarLoopForPetriNet]: 33 programPoint places, 6 predicate places.
[2024-11-24 01:03:48,204 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 32 transitions, 106 flow
[2024-11-24 01:03:48,204 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)
[2024-11-24 01:03:48,205 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:03:48,205 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:03:48,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-24 01:03:48,205 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] ===
[2024-11-24 01:03:48,207 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:03:48,207 INFO L85 PathProgramCache]: Analyzing trace with hash 924741866, now seen corresponding path program 1 times
[2024-11-24 01:03:48,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:03:48,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144184022]
[2024-11-24 01:03:48,208 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:03:48,208 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:03:48,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:03:48,581 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:03:48,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:03:48,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144184022]
[2024-11-24 01:03:48,582 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144184022] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:03:48,582 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966677002]
[2024-11-24 01:03:48,582 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:03:48,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:03:48,582 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:03:48,586 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:03:48,588 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-24 01:03:48,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:03:48,743 INFO L256 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-24 01:03:48,747 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:03:48,829 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:03:48,829 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:03:48,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966677002] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:03:48,830 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 01:03:48,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7
[2024-11-24 01:03:48,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999683537]
[2024-11-24 01:03:48,830 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:03:48,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-24 01:03:48,831 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:03:48,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-24 01:03:48,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-24 01:03:48,850 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 8 out of 32
[2024-11-24 01:03:48,850 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 39 places, 32 transitions, 106 flow. Second operand has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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)
[2024-11-24 01:03:48,850 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:03:48,850 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 8 of 32
[2024-11-24 01:03:48,850 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:03:49,345 INFO L124 PetriNetUnfolderBase]: 507/974 cut-off events.
[2024-11-24 01:03:49,345 INFO L125 PetriNetUnfolderBase]: For 363/409 co-relation queries the response was YES.
[2024-11-24 01:03:49,347 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2294 conditions, 974 events. 507/974 cut-off events. For 363/409 co-relation queries the response was YES. Maximal size of possible extension queue 37. Compared 4549 event pairs, 11 based on Foata normal form. 26/974 useless extension candidates. Maximal degree in co-relation 2128. Up to 370 conditions per place.
[2024-11-24 01:03:49,353 INFO L140 encePairwiseOnDemand]: 28/32 looper letters, 71 selfloop transitions, 5 changer transitions 0/82 dead transitions.
[2024-11-24 01:03:49,353 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 43 places, 82 transitions, 428 flow
[2024-11-24 01:03:49,353 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-24 01:03:49,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-24 01:03:49,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 115 transitions.
[2024-11-24 01:03:49,355 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5989583333333334
[2024-11-24 01:03:49,355 INFO L175 Difference]: Start difference. First operand has 39 places, 32 transitions, 106 flow. Second operand 6 states and 115 transitions.
[2024-11-24 01:03:49,355 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 43 places, 82 transitions, 428 flow
[2024-11-24 01:03:49,357 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 42 places, 82 transitions, 418 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-24 01:03:49,359 INFO L231 Difference]: Finished difference. Result has 42 places, 31 transitions, 110 flow
[2024-11-24 01:03:49,359 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=100, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=31, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=110, PETRI_PLACES=42, PETRI_TRANSITIONS=31}
[2024-11-24 01:03:49,360 INFO L279 CegarLoopForPetriNet]: 33 programPoint places, 9 predicate places.
[2024-11-24 01:03:49,360 INFO L471 AbstractCegarLoop]: Abstraction has has 42 places, 31 transitions, 110 flow
[2024-11-24 01:03:49,360 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.166666666666666) internal successors, (61), 6 states have internal predecessors, (61), 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)
[2024-11-24 01:03:49,360 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:03:49,360 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1]
[2024-11-24 01:03:49,370 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-24 01:03:49,561 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:03:49,562 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] ===
[2024-11-24 01:03:49,562 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:03:49,563 INFO L85 PathProgramCache]: Analyzing trace with hash -1397772763, now seen corresponding path program 1 times
[2024-11-24 01:03:49,563 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:03:49,563 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887290685]
[2024-11-24 01:03:49,563 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:03:49,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:03:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:03:49,715 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-24 01:03:49,715 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:03:49,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887290685]
[2024-11-24 01:03:49,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887290685] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:03:49,715 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:03:49,715 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 01:03:49,716 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [239261431]
[2024-11-24 01:03:49,716 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:03:49,716 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:03:49,716 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:03:49,717 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:03:49,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:03:49,726 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 32
[2024-11-24 01:03:49,726 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 42 places, 31 transitions, 110 flow. Second operand has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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)
[2024-11-24 01:03:49,726 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:03:49,727 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 32
[2024-11-24 01:03:49,727 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:03:50,086 INFO L124 PetriNetUnfolderBase]: 545/1007 cut-off events.
[2024-11-24 01:03:50,086 INFO L125 PetriNetUnfolderBase]: For 602/634 co-relation queries the response was YES.
[2024-11-24 01:03:50,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2494 conditions, 1007 events. 545/1007 cut-off events. For 602/634 co-relation queries the response was YES. Maximal size of possible extension queue 38. Compared 4719 event pairs, 94 based on Foata normal form. 26/1033 useless extension candidates. Maximal degree in co-relation 1168. Up to 576 conditions per place.
[2024-11-24 01:03:50,095 INFO L140 encePairwiseOnDemand]: 27/32 looper letters, 41 selfloop transitions, 6 changer transitions 3/55 dead transitions.
[2024-11-24 01:03:50,095 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 55 transitions, 288 flow
[2024-11-24 01:03:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 01:03:50,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-24 01:03:50,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 71 transitions.
[2024-11-24 01:03:50,097 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.5546875
[2024-11-24 01:03:50,097 INFO L175 Difference]: Start difference. First operand has 42 places, 31 transitions, 110 flow. Second operand 4 states and 71 transitions.
[2024-11-24 01:03:50,097 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 55 transitions, 288 flow
[2024-11-24 01:03:50,102 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 55 transitions, 279 flow, removed 1 selfloop flow, removed 4 redundant places.
[2024-11-24 01:03:50,103 INFO L231 Difference]: Finished difference. Result has 41 places, 30 transitions, 113 flow
[2024-11-24 01:03:50,103 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=30, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=113, PETRI_PLACES=41, PETRI_TRANSITIONS=30}
[2024-11-24 01:03:50,103 INFO L279 CegarLoopForPetriNet]: 33 programPoint places, 8 predicate places.
[2024-11-24 01:03:50,104 INFO L471 AbstractCegarLoop]: Abstraction has has 41 places, 30 transitions, 113 flow
[2024-11-24 01:03:50,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 10.75) internal successors, (43), 4 states have internal predecessors, (43), 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)
[2024-11-24 01:03:50,104 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:03:50,104 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:03:50,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-24 01:03:50,104 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] ===
[2024-11-24 01:03:50,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:03:50,105 INFO L85 PathProgramCache]: Analyzing trace with hash -120287589, now seen corresponding path program 1 times
[2024-11-24 01:03:50,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:03:50,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570007143]
[2024-11-24 01:03:50,106 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:03:50,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:03:50,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:03:50,264 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:03:50,264 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:03:50,264 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1570007143]
[2024-11-24 01:03:50,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1570007143] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-24 01:03:50,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721827725]
[2024-11-24 01:03:50,265 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:03:50,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:03:50,265 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/z3
[2024-11-24 01:03:50,268 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-24 01:03:50,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-24 01:03:50,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:03:50,410 INFO L256 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 4 conjuncts are in the unsatisfiable core
[2024-11-24 01:03:50,411 INFO L279 TraceCheckSpWp]: Computing forward predicates...
[2024-11-24 01:03:50,466 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-24 01:03:50,466 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-24 01:03:50,466 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721827725] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:03:50,467 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-24 01:03:50,467 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8
[2024-11-24 01:03:50,467 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992691515]
[2024-11-24 01:03:50,467 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:03:50,467 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-24 01:03:50,468 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:03:50,468 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-24 01:03:50,468 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72
[2024-11-24 01:03:50,476 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 32
[2024-11-24 01:03:50,477 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 41 places, 30 transitions, 113 flow. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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)
[2024-11-24 01:03:50,477 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:03:50,477 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 32
[2024-11-24 01:03:50,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:03:50,721 INFO L124 PetriNetUnfolderBase]: 543/981 cut-off events.
[2024-11-24 01:03:50,721 INFO L125 PetriNetUnfolderBase]: For 784/784 co-relation queries the response was YES.
[2024-11-24 01:03:50,723 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2534 conditions, 981 events. 543/981 cut-off events. For 784/784 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 4192 event pairs, 33 based on Foata normal form. 25/980 useless extension candidates. Maximal degree in co-relation 1963. Up to 521 conditions per place.
[2024-11-24 01:03:50,728 INFO L140 encePairwiseOnDemand]: 28/32 looper letters, 42 selfloop transitions, 5 changer transitions 0/51 dead transitions.
[2024-11-24 01:03:50,728 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 51 transitions, 305 flow
[2024-11-24 01:03:50,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 01:03:50,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-24 01:03:50,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 68 transitions.
[2024-11-24 01:03:50,729 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.53125
[2024-11-24 01:03:50,729 INFO L175 Difference]: Start difference. First operand has 41 places, 30 transitions, 113 flow. Second operand 4 states and 68 transitions.
[2024-11-24 01:03:50,730 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 51 transitions, 305 flow
[2024-11-24 01:03:50,732 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 40 places, 51 transitions, 283 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-24 01:03:50,732 INFO L231 Difference]: Finished difference. Result has 40 places, 29 transitions, 111 flow
[2024-11-24 01:03:50,733 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=101, PETRI_DIFFERENCE_MINUEND_PLACES=37, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=24, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=111, PETRI_PLACES=40, PETRI_TRANSITIONS=29}
[2024-11-24 01:03:50,733 INFO L279 CegarLoopForPetriNet]: 33 programPoint places, 7 predicate places.
[2024-11-24 01:03:50,733 INFO L471 AbstractCegarLoop]: Abstraction has has 40 places, 29 transitions, 111 flow
[2024-11-24 01:03:50,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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)
[2024-11-24 01:03:50,734 INFO L198 CegarLoopForPetriNet]: Found error trace
[2024-11-24 01:03:50,734 INFO L206 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1]
[2024-11-24 01:03:50,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0
[2024-11-24 01:03:50,936 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-24 01:03:50,936 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] ===
[2024-11-24 01:03:50,937 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-24 01:03:50,937 INFO L85 PathProgramCache]: Analyzing trace with hash 566052511, now seen corresponding path program 1 times
[2024-11-24 01:03:50,937 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-24 01:03:50,937 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576259762]
[2024-11-24 01:03:50,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-24 01:03:50,937 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-24 01:03:50,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-24 01:03:51,043 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-24 01:03:51,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-24 01:03:51,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576259762]
[2024-11-24 01:03:51,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576259762] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-24 01:03:51,043 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-24 01:03:51,044 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-24 01:03:51,044 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749258444]
[2024-11-24 01:03:51,044 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-24 01:03:51,044 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-24 01:03:51,044 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-24 01:03:51,045 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-24 01:03:51,047 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-24 01:03:51,055 INFO L469 CegarLoopForPetriNet]: Number of universal loopers: 7 out of 32
[2024-11-24 01:03:51,055 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 29 transitions, 111 flow. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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)
[2024-11-24 01:03:51,055 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-24 01:03:51,055 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 7 of 32
[2024-11-24 01:03:51,055 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-24 01:03:51,285 INFO L124 PetriNetUnfolderBase]: 506/925 cut-off events.
[2024-11-24 01:03:51,285 INFO L125 PetriNetUnfolderBase]: For 721/721 co-relation queries the response was YES.
[2024-11-24 01:03:51,288 INFO L83 FinitePrefix]: Finished finitePrefix Result has 2403 conditions, 925 events. 506/925 cut-off events. For 721/721 co-relation queries the response was YES. Maximal size of possible extension queue 33. Compared 3997 event pairs, 68 based on Foata normal form. 25/949 useless extension candidates. Maximal degree in co-relation 1875. Up to 558 conditions per place.
[2024-11-24 01:03:51,290 INFO L140 encePairwiseOnDemand]: 27/32 looper letters, 0 selfloop transitions, 0 changer transitions 51/51 dead transitions.
[2024-11-24 01:03:51,290 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 51 transitions, 291 flow
[2024-11-24 01:03:51,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-24 01:03:51,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-24 01:03:51,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 68 transitions.
[2024-11-24 01:03:51,291 INFO L514 CegarLoopForPetriNet]: DFA transition density 0.53125
[2024-11-24 01:03:51,291 INFO L175 Difference]: Start difference. First operand has 40 places, 29 transitions, 111 flow. Second operand 4 states and 68 transitions.
[2024-11-24 01:03:51,292 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 51 transitions, 291 flow
[2024-11-24 01:03:51,294 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 39 places, 51 transitions, 281 flow, removed 0 selfloop flow, removed 3 redundant places.
[2024-11-24 01:03:51,295 INFO L231 Difference]: Finished difference. Result has 39 places, 0 transitions, 0 flow
[2024-11-24 01:03:51,295 INFO L262 CegarLoopForPetriNet]: {PETRI_ALPHABET=32, PETRI_DIFFERENCE_MINUEND_FLOW=97, PETRI_DIFFERENCE_MINUEND_PLACES=36, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=28, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=0, PETRI_PLACES=39, PETRI_TRANSITIONS=0}
[2024-11-24 01:03:51,298 INFO L279 CegarLoopForPetriNet]: 33 programPoint places, 6 predicate places.
[2024-11-24 01:03:51,298 INFO L471 AbstractCegarLoop]: Abstraction has has 39 places, 0 transitions, 0 flow
[2024-11-24 01:03:51,299 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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)
[2024-11-24 01:03:51,301 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (9 of 10 remaining)
[2024-11-24 01:03:51,303 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 10 remaining)
[2024-11-24 01:03:51,303 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 10 remaining)
[2024-11-24 01:03:51,304 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 10 remaining)
[2024-11-24 01:03:51,304 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 10 remaining)
[2024-11-24 01:03:51,304 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 10 remaining)
[2024-11-24 01:03:51,304 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 10 remaining)
[2024-11-24 01:03:51,304 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 10 remaining)
[2024-11-24 01:03:51,304 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 10 remaining)
[2024-11-24 01:03:51,305 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 10 remaining)
[2024-11-24 01:03:51,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-24 01:03:51,306 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1]
[2024-11-24 01:03:51,311 INFO L241 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-24 01:03:51,311 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-24 01:03:51,316 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 01:03:51 BasicIcfg
[2024-11-24 01:03:51,318 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-24 01:03:51,318 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-24 01:03:51,319 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-24 01:03:51,319 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-24 01:03:51,322 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 01:03:46" (3/4) ...
[2024-11-24 01:03:51,324 INFO L146 WitnessPrinter]: Generating witness for correct program
[2024-11-24 01:03:51,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t1
[2024-11-24 01:03:51,327 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t2
[2024-11-24 01:03:51,333 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 62 nodes and edges
[2024-11-24 01:03:51,334 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges
[2024-11-24 01:03:51,335 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges
[2024-11-24 01:03:51,335 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges
[2024-11-24 01:03:51,421 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/witness.graphml
[2024-11-24 01:03:51,421 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/witness.yml
[2024-11-24 01:03:51,421 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-24 01:03:51,422 INFO L158 Benchmark]: Toolchain (without parser) took 6978.17ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 118.1MB in the beginning and 212.9MB in the end (delta: -94.8MB). Peak memory consumption was 189.7MB. Max. memory is 16.1GB.
[2024-11-24 01:03:51,423 INFO L158 Benchmark]: CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:03:51,423 INFO L158 Benchmark]: CACSL2BoogieTranslator took 524.46ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 97.4MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
[2024-11-24 01:03:51,423 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.29ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 95.2MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 01:03:51,424 INFO L158 Benchmark]: Boogie Preprocessor took 45.29ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 93.0MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-24 01:03:51,424 INFO L158 Benchmark]: RCFGBuilder took 1089.95ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 92.1MB in the end (delta: 908.2kB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB.
[2024-11-24 01:03:51,424 INFO L158 Benchmark]: TraceAbstraction took 5167.14ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 91.6MB in the beginning and 217.3MB in the end (delta: -125.8MB). Peak memory consumption was 159.2MB. Max. memory is 16.1GB.
[2024-11-24 01:03:51,425 INFO L158 Benchmark]: Witness Printer took 102.90ms. Allocated memory is still 427.8MB. Free memory was 217.3MB in the beginning and 212.9MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
[2024-11-24 01:03:51,429 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.42ms. Allocated memory is still 142.6MB. Free memory is still 80.3MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 524.46ms. Allocated memory is still 142.6MB. Free memory was 117.8MB in the beginning and 97.4MB in the end (delta: 20.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 41.29ms. Allocated memory is still 142.6MB. Free memory was 97.4MB in the beginning and 95.2MB in the end (delta: 2.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Boogie Preprocessor took 45.29ms. Allocated memory is still 142.6MB. Free memory was 95.2MB in the beginning and 93.0MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB.
* RCFGBuilder took 1089.95ms. Allocated memory is still 142.6MB. Free memory was 93.0MB in the beginning and 92.1MB in the end (delta: 908.2kB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB.
* TraceAbstraction took 5167.14ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 91.6MB in the beginning and 217.3MB in the end (delta: -125.8MB). Peak memory consumption was 159.2MB. Max. memory is 16.1GB.
* Witness Printer took 102.90ms. Allocated memory is still 427.8MB. Free memory was 217.3MB in the beginning and 212.9MB in the end (delta: 4.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 725]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 725]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 743]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 743]: 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, 55 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: 5.0s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 205 SdHoareTripleChecker+Valid, 1.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 183 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 12 mSDsCounter, 13 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 677 IncrementalHoareTripleChecker+Invalid, 690 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 13 mSolverCounterUnsat, 16 mSDtfsCounter, 677 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 64 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=113occurred in iteration=4, InterpolantAutomatonStates: 26, 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 124 NumberOfCodeBlocks, 124 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 270 SizeOfPredicates, 3 NumberOfNonLiveVariables, 334 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 8 InterpolantComputations, 6 PerfectInterpolantSequences, 26/38 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available
- AllSpecificationsHoldResult: All specifications hold
4 specifications checked. All of them hold
RESULT: Ultimate proved your program to be correct!
[2024-11-24 01:03:51,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e540c993-7fff-4a96-848b-d4482934d902/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...
--- End real Ultimate output ---
Execution finished normally
Writing output log to file Ultimate.log
Result:
TRUE