./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/goblint-regression/04-mutex_42-trylock_2mutex.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 803cd42f
Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/goblint-regression/04-mutex_42-trylock_2mutex.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 29686c593874684b7702dd35cbbbd25416d0d0dde1b2c7e324de66da32235cfd
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m
[2024-11-23 01:49:49,656 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-23 01:49:49,729 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-23 01:49:49,736 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-23 01:49:49,737 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-23 01:49:49,764 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-23 01:49:49,765 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-23 01:49:49,766 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-23 01:49:49,766 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-23 01:49:49,767 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-23 01:49:49,768 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-23 01:49:49,768 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-23 01:49:49,769 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-23 01:49:49,771 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-23 01:49:49,771 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-23 01:49:49,772 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-23 01:49:49,772 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-23 01:49:49,773 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-23 01:49:49,773 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-23 01:49:49,774 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-23 01:49:49,774 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-23 01:49:49,778 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-23 01:49:49,778 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-23 01:49:49,779 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-23 01:49:49,779 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-23 01:49:49,779 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-23 01:49:49,779 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-23 01:49:49,780 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-23 01:49:49,780 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-23 01:49:49,780 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-23 01:49:49,780 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-23 01:49:49,781 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-23 01:49:49,781 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-23 01:49:49,781 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-23 01:49:49,781 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 01:49:49,782 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-23 01:49:49,782 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-23 01:49:49,782 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-23 01:49:49,782 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-23 01:49:49,783 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-23 01:49:49,783 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-23 01:49:49,785 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-23 01:49:49,785 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-23 01:49:49,785 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-23 01:49:49,785 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:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29686c593874684b7702dd35cbbbd25416d0d0dde1b2c7e324de66da32235cfd
[2024-11-23 01:49:50,092 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-23 01:49:50,117 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-23 01:49:50,120 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-23 01:49:50,121 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-23 01:49:50,121 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-23 01:49:50,122 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/04-mutex_42-trylock_2mutex.i
[2024-11-23 01:49:51,531 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-23 01:49:51,757 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-23 01:49:51,757 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/04-mutex_42-trylock_2mutex.i
[2024-11-23 01:49:51,775 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec710d9d0/cbbeea9cc94143e5b9bbb0c860326653/FLAG4f188e2f5
[2024-11-23 01:49:51,793 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ec710d9d0/cbbeea9cc94143e5b9bbb0c860326653
[2024-11-23 01:49:51,795 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-23 01:49:51,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-23 01:49:51,798 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-23 01:49:51,798 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-23 01:49:51,804 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-23 01:49:51,804 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:49:51" (1/1) ...
[2024-11-23 01:49:51,805 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4019a32d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:51, skipping insertion in model container
[2024-11-23 01:49:51,805 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:49:51" (1/1) ...
[2024-11-23 01:49:51,850 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-23 01:49:52,213 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 01:49:52,235 INFO L200 MainTranslator]: Completed pre-run
[2024-11-23 01:49:52,320 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-23 01:49:52,392 INFO L204 MainTranslator]: Completed translation
[2024-11-23 01:49:52,393 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:52 WrapperNode
[2024-11-23 01:49:52,393 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-23 01:49:52,394 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-23 01:49:52,395 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-23 01:49:52,395 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-23 01:49:52,403 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:52" (1/1) ...
[2024-11-23 01:49:52,419 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:52" (1/1) ...
[2024-11-23 01:49:52,438 INFO L138 Inliner]: procedures = 163, calls = 25, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 56
[2024-11-23 01:49:52,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-23 01:49:52,439 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-23 01:49:52,439 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-23 01:49:52,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-23 01:49:52,452 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:52" (1/1) ...
[2024-11-23 01:49:52,453 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:52" (1/1) ...
[2024-11-23 01:49:52,455 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:52" (1/1) ...
[2024-11-23 01:49:52,478 INFO L175 MemorySlicer]: Split 10 memory accesses to 2 slices as follows [5, 5]. 50 percent of accesses are in the largest equivalence class. The 10 initializations are split as follows [5, 5]. The 0 writes are split as follows [0, 0].
[2024-11-23 01:49:52,479 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:52" (1/1) ...
[2024-11-23 01:49:52,479 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:52" (1/1) ...
[2024-11-23 01:49:52,483 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:52" (1/1) ...
[2024-11-23 01:49:52,486 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:52" (1/1) ...
[2024-11-23 01:49:52,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:52" (1/1) ...
[2024-11-23 01:49:52,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:52" (1/1) ...
[2024-11-23 01:49:52,490 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-23 01:49:52,491 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-23 01:49:52,491 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-23 01:49:52,492 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-23 01:49:52,493 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:52" (1/1) ...
[2024-11-23 01:49:52,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-23 01:49:52,516 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-23 01:49:52,530 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null)
[2024-11-23 01:49:52,532 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process
[2024-11-23 01:49:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-23 01:49:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-23 01:49:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2024-11-23 01:49:52,572 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2024-11-23 01:49:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexTryLock
[2024-11-23 01:49:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-23 01:49:52,572 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-23 01:49:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-23 01:49:52,573 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-23 01:49:52,573 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-23 01:49:52,574 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-23 01:49:52,752 INFO L238 CfgBuilder]: Building ICFG
[2024-11-23 01:49:52,753 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-23 01:49:52,946 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-23 01:49:52,946 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-23 01:49:53,087 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-23 01:49:53,088 INFO L316 CfgBuilder]: Removed 1 assume(true) statements.
[2024-11-23 01:49:53,088 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:49:53 BoogieIcfgContainer
[2024-11-23 01:49:53,088 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-23 01:49:53,092 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-23 01:49:53,092 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-23 01:49:53,095 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-23 01:49:53,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 01:49:51" (1/3) ...
[2024-11-23 01:49:53,096 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e98a6e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:49:53, skipping insertion in model container
[2024-11-23 01:49:53,096 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:49:52" (2/3) ...
[2024-11-23 01:49:53,097 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e98a6e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 01:49:53, skipping insertion in model container
[2024-11-23 01:49:53,097 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:49:53" (3/3) ...
[2024-11-23 01:49:53,098 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_42-trylock_2mutex.i
[2024-11-23 01:49:53,111 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-23 01:49:53,111 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2024-11-23 01:49:53,111 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-23 01:49:53,147 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-11-23 01:49:53,183 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 43 places, 41 transitions, 89 flow
[2024-11-23 01:49:53,212 INFO L124 PetriNetUnfolderBase]: 2/40 cut-off events.
[2024-11-23 01:49:53,212 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-23 01:49:53,216 INFO L83 FinitePrefix]: Finished finitePrefix Result has 45 conditions, 40 events. 2/40 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 67 event pairs, 0 based on Foata normal form. 0/32 useless extension candidates. Maximal degree in co-relation 36. Up to 2 conditions per place.
[2024-11-23 01:49:53,216 INFO L82 GeneralOperation]: Start removeDead. Operand has 43 places, 41 transitions, 89 flow
[2024-11-23 01:49:53,219 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 40 places, 38 transitions, 79 flow
[2024-11-23 01:49:53,227 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-23 01:49:53,234 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;@5cc4a7df, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-23 01:49:53,234 INFO L334 AbstractCegarLoop]: Starting to check reachability of 11 error locations.
[2024-11-23 01:49:53,242 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-23 01:49:53,242 INFO L124 PetriNetUnfolderBase]: 0/8 cut-off events.
[2024-11-23 01:49:53,242 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 01:49:53,242 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-23 01:49:53,243 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1]
[2024-11-23 01:49:53,248 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] ===
[2024-11-23 01:49:53,252 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 01:49:53,253 INFO L85 PathProgramCache]: Analyzing trace with hash -1791064323, now seen corresponding path program 1 times
[2024-11-23 01:49:53,263 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 01:49:53,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1264238248]
[2024-11-23 01:49:53,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 01:49:53,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 01:49:53,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 01:49:53,602 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 01:49:53,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 01:49:53,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1264238248]
[2024-11-23 01:49:53,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1264238248] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 01:49:53,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 01:49:53,603 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 01:49:53,605 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021380968]
[2024-11-23 01:49:53,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 01:49:53,615 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 01:49:53,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 01:49:53,644 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 01:49:53,645 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 01:49:53,657 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 41
[2024-11-23 01:49:53,659 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 40 places, 38 transitions, 79 flow. Second operand has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 01:49:53,660 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 01:49:53,660 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 41
[2024-11-23 01:49:53,661 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 01:49:53,875 INFO L124 PetriNetUnfolderBase]: 98/288 cut-off events.
[2024-11-23 01:49:53,875 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-23 01:49:53,877 INFO L83 FinitePrefix]: Finished finitePrefix Result has 509 conditions, 288 events. 98/288 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 24. Compared 1394 event pairs, 31 based on Foata normal form. 11/276 useless extension candidates. Maximal degree in co-relation 500. Up to 175 conditions per place.
[2024-11-23 01:49:53,880 INFO L140 encePairwiseOnDemand]: 34/41 looper letters, 39 selfloop transitions, 6 changer transitions 0/59 dead transitions.
[2024-11-23 01:49:53,880 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 44 places, 59 transitions, 211 flow
[2024-11-23 01:49:53,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 01:49:53,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 01:49:53,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 127 transitions.
[2024-11-23 01:49:53,893 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6195121951219512
[2024-11-23 01:49:53,895 INFO L175 Difference]: Start difference. First operand has 40 places, 38 transitions, 79 flow. Second operand 5 states and 127 transitions.
[2024-11-23 01:49:53,896 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 44 places, 59 transitions, 211 flow
[2024-11-23 01:49:53,899 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 43 places, 59 transitions, 210 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 01:49:53,905 INFO L231 Difference]: Finished difference. Result has 46 places, 42 transitions, 120 flow
[2024-11-23 01:49:53,907 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=76, PETRI_DIFFERENCE_MINUEND_PLACES=39, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=120, PETRI_PLACES=46, PETRI_TRANSITIONS=42}
[2024-11-23 01:49:53,911 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 6 predicate places.
[2024-11-23 01:49:53,911 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 42 transitions, 120 flow
[2024-11-23 01:49:53,912 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 16.25) internal successors, (65), 4 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 01:49:53,912 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-23 01:49:53,912 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 01:49:53,912 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-23 01:49:53,912 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] ===
[2024-11-23 01:49:53,913 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 01:49:53,913 INFO L85 PathProgramCache]: Analyzing trace with hash 647097845, now seen corresponding path program 1 times
[2024-11-23 01:49:53,913 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 01:49:53,913 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [740105449]
[2024-11-23 01:49:53,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 01:49:53,914 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 01:49:53,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 01:49:53,992 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 01:49:53,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 01:49:53,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [740105449]
[2024-11-23 01:49:53,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [740105449] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 01:49:53,993 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 01:49:53,993 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1
[2024-11-23 01:49:53,993 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387048244]
[2024-11-23 01:49:53,993 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 01:49:53,994 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 01:49:53,994 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 01:49:53,995 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 01:49:53,995 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 01:49:54,013 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 15 out of 41
[2024-11-23 01:49:54,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 42 transitions, 120 flow. Second operand has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 01:49:54,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 01:49:54,015 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 41
[2024-11-23 01:49:54,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 01:49:54,142 INFO L124 PetriNetUnfolderBase]: 106/308 cut-off events.
[2024-11-23 01:49:54,142 INFO L125 PetriNetUnfolderBase]: For 55/55 co-relation queries the response was YES.
[2024-11-23 01:49:54,144 INFO L83 FinitePrefix]: Finished finitePrefix Result has 610 conditions, 308 events. 106/308 cut-off events. For 55/55 co-relation queries the response was YES. Maximal size of possible extension queue 25. Compared 1511 event pairs, 60 based on Foata normal form. 13/295 useless extension candidates. Maximal degree in co-relation 597. Up to 148 conditions per place.
[2024-11-23 01:49:54,146 INFO L140 encePairwiseOnDemand]: 37/41 looper letters, 33 selfloop transitions, 2 changer transitions 3/52 dead transitions.
[2024-11-23 01:49:54,146 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 52 transitions, 218 flow
[2024-11-23 01:49:54,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 01:49:54,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 01:49:54,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 80 transitions.
[2024-11-23 01:49:54,148 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6504065040650406
[2024-11-23 01:49:54,148 INFO L175 Difference]: Start difference. First operand has 46 places, 42 transitions, 120 flow. Second operand 3 states and 80 transitions.
[2024-11-23 01:49:54,148 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 52 transitions, 218 flow
[2024-11-23 01:49:54,151 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 52 transitions, 218 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-23 01:49:54,152 INFO L231 Difference]: Finished difference. Result has 49 places, 42 transitions, 130 flow
[2024-11-23 01:49:54,152 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=46, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=42, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=40, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=130, PETRI_PLACES=49, PETRI_TRANSITIONS=42}
[2024-11-23 01:49:54,153 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 9 predicate places.
[2024-11-23 01:49:54,153 INFO L471 AbstractCegarLoop]: Abstraction has has 49 places, 42 transitions, 130 flow
[2024-11-23 01:49:54,153 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.333333333333332) internal successors, (52), 3 states have internal predecessors, (52), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 01:49:54,153 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-23 01:49:54,153 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 01:49:54,154 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-23 01:49:54,154 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] ===
[2024-11-23 01:49:54,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 01:49:54,158 INFO L85 PathProgramCache]: Analyzing trace with hash -1512721311, now seen corresponding path program 1 times
[2024-11-23 01:49:54,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 01:49:54,159 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971776797]
[2024-11-23 01:49:54,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 01:49:54,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 01:49:54,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 01:49:54,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 01:49:54,274 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 01:49:54,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971776797]
[2024-11-23 01:49:54,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1971776797] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 01:49:54,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 01:49:54,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-23 01:49:54,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1284389081]
[2024-11-23 01:49:54,276 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 01:49:54,276 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-23 01:49:54,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 01:49:54,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-23 01:49:54,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-23 01:49:54,295 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 41
[2024-11-23 01:49:54,296 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 49 places, 42 transitions, 130 flow. Second operand has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 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)
[2024-11-23 01:49:54,296 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 01:49:54,296 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 41
[2024-11-23 01:49:54,296 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 01:49:54,420 INFO L124 PetriNetUnfolderBase]: 106/286 cut-off events.
[2024-11-23 01:49:54,420 INFO L125 PetriNetUnfolderBase]: For 70/70 co-relation queries the response was YES.
[2024-11-23 01:49:54,423 INFO L83 FinitePrefix]: Finished finitePrefix Result has 619 conditions, 286 events. 106/286 cut-off events. For 70/70 co-relation queries the response was YES. Maximal size of possible extension queue 22. Compared 1312 event pairs, 50 based on Foata normal form. 22/295 useless extension candidates. Maximal degree in co-relation 603. Up to 126 conditions per place.
[2024-11-23 01:49:54,428 INFO L140 encePairwiseOnDemand]: 36/41 looper letters, 35 selfloop transitions, 3 changer transitions 10/60 dead transitions.
[2024-11-23 01:49:54,428 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 60 transitions, 266 flow
[2024-11-23 01:49:54,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-23 01:49:54,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-23 01:49:54,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 97 transitions.
[2024-11-23 01:49:54,430 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5914634146341463
[2024-11-23 01:49:54,430 INFO L175 Difference]: Start difference. First operand has 49 places, 42 transitions, 130 flow. Second operand 4 states and 97 transitions.
[2024-11-23 01:49:54,431 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 60 transitions, 266 flow
[2024-11-23 01:49:54,435 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 48 places, 60 transitions, 262 flow, removed 0 selfloop flow, removed 2 redundant places.
[2024-11-23 01:49:54,436 INFO L231 Difference]: Finished difference. Result has 48 places, 36 transitions, 109 flow
[2024-11-23 01:49:54,437 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=122, PETRI_DIFFERENCE_MINUEND_PLACES=45, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=40, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=37, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=109, PETRI_PLACES=48, PETRI_TRANSITIONS=36}
[2024-11-23 01:49:54,437 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 8 predicate places.
[2024-11-23 01:49:54,438 INFO L471 AbstractCegarLoop]: Abstraction has has 48 places, 36 transitions, 109 flow
[2024-11-23 01:49:54,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.25) internal successors, (61), 4 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)
[2024-11-23 01:49:54,439 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-23 01:49:54,439 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 01:49:54,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-23 01:49:54,439 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] ===
[2024-11-23 01:49:54,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 01:49:54,441 INFO L85 PathProgramCache]: Analyzing trace with hash -479520100, now seen corresponding path program 1 times
[2024-11-23 01:49:54,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 01:49:54,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [136919933]
[2024-11-23 01:49:54,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 01:49:54,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 01:49:54,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 01:49:54,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 01:49:54,539 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 01:49:54,539 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [136919933]
[2024-11-23 01:49:54,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [136919933] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 01:49:54,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 01:49:54,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 01:49:54,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150436099]
[2024-11-23 01:49:54,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 01:49:54,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-23 01:49:54,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 01:49:54,542 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-23 01:49:54,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-23 01:49:54,544 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 17 out of 41
[2024-11-23 01:49:54,544 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 48 places, 36 transitions, 109 flow. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 01:49:54,544 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 01:49:54,544 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 17 of 41
[2024-11-23 01:49:54,544 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 01:49:54,624 INFO L124 PetriNetUnfolderBase]: 51/177 cut-off events.
[2024-11-23 01:49:54,625 INFO L125 PetriNetUnfolderBase]: For 27/27 co-relation queries the response was YES.
[2024-11-23 01:49:54,626 INFO L83 FinitePrefix]: Finished finitePrefix Result has 373 conditions, 177 events. 51/177 cut-off events. For 27/27 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 740 event pairs, 12 based on Foata normal form. 12/179 useless extension candidates. Maximal degree in co-relation 357. Up to 72 conditions per place.
[2024-11-23 01:49:54,626 INFO L140 encePairwiseOnDemand]: 33/41 looper letters, 26 selfloop transitions, 8 changer transitions 0/48 dead transitions.
[2024-11-23 01:49:54,627 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 49 places, 48 transitions, 208 flow
[2024-11-23 01:49:54,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states.
[2024-11-23 01:49:54,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-23 01:49:54,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 87 transitions.
[2024-11-23 01:49:54,628 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.7073170731707317
[2024-11-23 01:49:54,629 INFO L175 Difference]: Start difference. First operand has 48 places, 36 transitions, 109 flow. Second operand 3 states and 87 transitions.
[2024-11-23 01:49:54,629 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 49 places, 48 transitions, 208 flow
[2024-11-23 01:49:54,630 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 44 places, 48 transitions, 191 flow, removed 2 selfloop flow, removed 5 redundant places.
[2024-11-23 01:49:54,631 INFO L231 Difference]: Finished difference. Result has 45 places, 39 transitions, 132 flow
[2024-11-23 01:49:54,632 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=96, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=36, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=28, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=132, PETRI_PLACES=45, PETRI_TRANSITIONS=39}
[2024-11-23 01:49:54,632 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 5 predicate places.
[2024-11-23 01:49:54,633 INFO L471 AbstractCegarLoop]: Abstraction has has 45 places, 39 transitions, 132 flow
[2024-11-23 01:49:54,633 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 3 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 01:49:54,633 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-23 01:49:54,633 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 01:49:54,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2024-11-23 01:49:54,634 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] ===
[2024-11-23 01:49:54,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 01:49:54,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1788517510, now seen corresponding path program 1 times
[2024-11-23 01:49:54,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 01:49:54,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177165545]
[2024-11-23 01:49:54,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 01:49:54,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 01:49:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 01:49:54,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 01:49:54,693 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 01:49:54,693 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177165545]
[2024-11-23 01:49:54,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177165545] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 01:49:54,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 01:49:54,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 01:49:54,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146767397]
[2024-11-23 01:49:54,694 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 01:49:54,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 01:49:54,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 01:49:54,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 01:49:54,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-23 01:49:54,713 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 41
[2024-11-23 01:49:54,713 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 45 places, 39 transitions, 132 flow. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 01:49:54,714 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 01:49:54,714 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 41
[2024-11-23 01:49:54,714 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 01:49:54,811 INFO L124 PetriNetUnfolderBase]: 56/187 cut-off events.
[2024-11-23 01:49:54,811 INFO L125 PetriNetUnfolderBase]: For 67/67 co-relation queries the response was YES.
[2024-11-23 01:49:54,813 INFO L83 FinitePrefix]: Finished finitePrefix Result has 448 conditions, 187 events. 56/187 cut-off events. For 67/67 co-relation queries the response was YES. Maximal size of possible extension queue 15. Compared 751 event pairs, 30 based on Foata normal form. 3/180 useless extension candidates. Maximal degree in co-relation 434. Up to 76 conditions per place.
[2024-11-23 01:49:54,814 INFO L140 encePairwiseOnDemand]: 36/41 looper letters, 33 selfloop transitions, 4 changer transitions 0/47 dead transitions.
[2024-11-23 01:49:54,814 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 48 places, 47 transitions, 235 flow
[2024-11-23 01:49:54,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 01:49:54,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 01:49:54,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 100 transitions.
[2024-11-23 01:49:54,817 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.4878048780487805
[2024-11-23 01:49:54,818 INFO L175 Difference]: Start difference. First operand has 45 places, 39 transitions, 132 flow. Second operand 5 states and 100 transitions.
[2024-11-23 01:49:54,819 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 48 places, 47 transitions, 235 flow
[2024-11-23 01:49:54,820 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 47 places, 47 transitions, 222 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-23 01:49:54,821 INFO L231 Difference]: Finished difference. Result has 47 places, 38 transitions, 128 flow
[2024-11-23 01:49:54,821 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=120, PETRI_DIFFERENCE_MINUEND_PLACES=43, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=38, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=34, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=128, PETRI_PLACES=47, PETRI_TRANSITIONS=38}
[2024-11-23 01:49:54,823 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 7 predicate places.
[2024-11-23 01:49:54,823 INFO L471 AbstractCegarLoop]: Abstraction has has 47 places, 38 transitions, 128 flow
[2024-11-23 01:49:54,824 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 01:49:54,824 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-23 01:49:54,824 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 01:49:54,824 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-23 01:49:54,824 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] ===
[2024-11-23 01:49:54,825 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 01:49:54,825 INFO L85 PathProgramCache]: Analyzing trace with hash -390531795, now seen corresponding path program 1 times
[2024-11-23 01:49:54,825 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 01:49:54,825 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1681120132]
[2024-11-23 01:49:54,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 01:49:54,825 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 01:49:54,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 01:49:54,899 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 01:49:54,900 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 01:49:54,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1681120132]
[2024-11-23 01:49:54,900 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1681120132] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 01:49:54,900 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 01:49:54,901 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 01:49:54,901 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1144550601]
[2024-11-23 01:49:54,901 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 01:49:54,902 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 01:49:54,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 01:49:54,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 01:49:54,904 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-23 01:49:54,921 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 41
[2024-11-23 01:49:54,922 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 47 places, 38 transitions, 128 flow. Second operand has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 01:49:54,922 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 01:49:54,922 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 41
[2024-11-23 01:49:54,922 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 01:49:55,025 INFO L124 PetriNetUnfolderBase]: 59/185 cut-off events.
[2024-11-23 01:49:55,025 INFO L125 PetriNetUnfolderBase]: For 50/50 co-relation queries the response was YES.
[2024-11-23 01:49:55,026 INFO L83 FinitePrefix]: Finished finitePrefix Result has 434 conditions, 185 events. 59/185 cut-off events. For 50/50 co-relation queries the response was YES. Maximal size of possible extension queue 14. Compared 704 event pairs, 22 based on Foata normal form. 3/179 useless extension candidates. Maximal degree in co-relation 419. Up to 79 conditions per place.
[2024-11-23 01:49:55,026 INFO L140 encePairwiseOnDemand]: 36/41 looper letters, 32 selfloop transitions, 4 changer transitions 9/53 dead transitions.
[2024-11-23 01:49:55,027 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 50 places, 53 transitions, 256 flow
[2024-11-23 01:49:55,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 01:49:55,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 01:49:55,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 105 transitions.
[2024-11-23 01:49:55,029 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.5121951219512195
[2024-11-23 01:49:55,029 INFO L175 Difference]: Start difference. First operand has 47 places, 38 transitions, 128 flow. Second operand 5 states and 105 transitions.
[2024-11-23 01:49:55,029 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 50 places, 53 transitions, 256 flow
[2024-11-23 01:49:55,032 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 46 places, 53 transitions, 244 flow, removed 1 selfloop flow, removed 4 redundant places.
[2024-11-23 01:49:55,033 INFO L231 Difference]: Finished difference. Result has 46 places, 30 transitions, 96 flow
[2024-11-23 01:49:55,034 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=112, PETRI_DIFFERENCE_MINUEND_PLACES=42, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=37, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=4, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=33, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=96, PETRI_PLACES=46, PETRI_TRANSITIONS=30}
[2024-11-23 01:49:55,034 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, 6 predicate places.
[2024-11-23 01:49:55,034 INFO L471 AbstractCegarLoop]: Abstraction has has 46 places, 30 transitions, 96 flow
[2024-11-23 01:49:55,036 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.2) internal successors, (76), 5 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 01:49:55,036 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-23 01:49:55,036 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 01:49:55,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-23 01:49:55,036 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] ===
[2024-11-23 01:49:55,037 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 01:49:55,037 INFO L85 PathProgramCache]: Analyzing trace with hash 401299573, now seen corresponding path program 1 times
[2024-11-23 01:49:55,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 01:49:55,037 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2108147648]
[2024-11-23 01:49:55,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 01:49:55,038 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 01:49:55,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 01:49:55,139 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 01:49:55,139 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 01:49:55,139 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2108147648]
[2024-11-23 01:49:55,139 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2108147648] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 01:49:55,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 01:49:55,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 01:49:55,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059729483]
[2024-11-23 01:49:55,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 01:49:55,140 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 01:49:55,140 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 01:49:55,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 01:49:55,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20
[2024-11-23 01:49:55,155 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 41
[2024-11-23 01:49:55,156 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 46 places, 30 transitions, 96 flow. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 01:49:55,156 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 01:49:55,156 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 41
[2024-11-23 01:49:55,156 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 01:49:55,240 INFO L124 PetriNetUnfolderBase]: 51/159 cut-off events.
[2024-11-23 01:49:55,241 INFO L125 PetriNetUnfolderBase]: For 44/44 co-relation queries the response was YES.
[2024-11-23 01:49:55,241 INFO L83 FinitePrefix]: Finished finitePrefix Result has 364 conditions, 159 events. 51/159 cut-off events. For 44/44 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 550 event pairs, 20 based on Foata normal form. 5/154 useless extension candidates. Maximal degree in co-relation 351. Up to 67 conditions per place.
[2024-11-23 01:49:55,242 INFO L140 encePairwiseOnDemand]: 37/41 looper letters, 32 selfloop transitions, 3 changer transitions 0/43 dead transitions.
[2024-11-23 01:49:55,242 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 42 places, 43 transitions, 202 flow
[2024-11-23 01:49:55,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 01:49:55,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 01:49:55,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 99 transitions.
[2024-11-23 01:49:55,243 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.48292682926829267
[2024-11-23 01:49:55,243 INFO L175 Difference]: Start difference. First operand has 46 places, 30 transitions, 96 flow. Second operand 5 states and 99 transitions.
[2024-11-23 01:49:55,243 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 42 places, 43 transitions, 202 flow
[2024-11-23 01:49:55,244 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 36 places, 43 transitions, 190 flow, removed 0 selfloop flow, removed 6 redundant places.
[2024-11-23 01:49:55,244 INFO L231 Difference]: Finished difference. Result has 36 places, 29 transitions, 86 flow
[2024-11-23 01:49:55,244 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=80, PETRI_DIFFERENCE_MINUEND_PLACES=32, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=26, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=86, PETRI_PLACES=36, PETRI_TRANSITIONS=29}
[2024-11-23 01:49:55,245 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, -4 predicate places.
[2024-11-23 01:49:55,245 INFO L471 AbstractCegarLoop]: Abstraction has has 36 places, 29 transitions, 86 flow
[2024-11-23 01:49:55,246 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 01:49:55,246 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-23 01:49:55,246 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]
[2024-11-23 01:49:55,246 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-23 01:49:55,246 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 8 more)] ===
[2024-11-23 01:49:55,247 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-23 01:49:55,247 INFO L85 PathProgramCache]: Analyzing trace with hash -1719073897, now seen corresponding path program 1 times
[2024-11-23 01:49:55,247 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-23 01:49:55,247 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129358414]
[2024-11-23 01:49:55,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-23 01:49:55,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-23 01:49:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-23 01:49:55,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-23 01:49:55,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-23 01:49:55,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129358414]
[2024-11-23 01:49:55,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1129358414] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-23 01:49:55,318 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-23 01:49:55,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-23 01:49:55,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1949376311]
[2024-11-23 01:49:55,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-23 01:49:55,319 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states
[2024-11-23 01:49:55,319 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-23 01:49:55,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants.
[2024-11-23 01:49:55,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20
[2024-11-23 01:49:55,328 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 13 out of 41
[2024-11-23 01:49:55,329 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 36 places, 29 transitions, 86 flow. Second operand has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 01:49:55,329 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-23 01:49:55,329 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 13 of 41
[2024-11-23 01:49:55,329 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-23 01:49:55,387 INFO L124 PetriNetUnfolderBase]: 48/151 cut-off events.
[2024-11-23 01:49:55,388 INFO L125 PetriNetUnfolderBase]: For 33/33 co-relation queries the response was YES.
[2024-11-23 01:49:55,388 INFO L83 FinitePrefix]: Finished finitePrefix Result has 340 conditions, 151 events. 48/151 cut-off events. For 33/33 co-relation queries the response was YES. Maximal size of possible extension queue 11. Compared 502 event pairs, 17 based on Foata normal form. 5/146 useless extension candidates. Maximal degree in co-relation 328. Up to 59 conditions per place.
[2024-11-23 01:49:55,388 INFO L140 encePairwiseOnDemand]: 37/41 looper letters, 0 selfloop transitions, 0 changer transitions 42/42 dead transitions.
[2024-11-23 01:49:55,388 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 39 places, 42 transitions, 190 flow
[2024-11-23 01:49:55,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-23 01:49:55,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-23 01:49:55,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 98 transitions.
[2024-11-23 01:49:55,390 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.47804878048780486
[2024-11-23 01:49:55,390 INFO L175 Difference]: Start difference. First operand has 36 places, 29 transitions, 86 flow. Second operand 5 states and 98 transitions.
[2024-11-23 01:49:55,390 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 39 places, 42 transitions, 190 flow
[2024-11-23 01:49:55,390 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 35 places, 42 transitions, 183 flow, removed 0 selfloop flow, removed 4 redundant places.
[2024-11-23 01:49:55,390 INFO L231 Difference]: Finished difference. Result has 35 places, 0 transitions, 0 flow
[2024-11-23 01:49:55,391 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=41, PETRI_DIFFERENCE_MINUEND_FLOW=75, PETRI_DIFFERENCE_MINUEND_PLACES=31, 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=5, PETRI_FLOW=0, PETRI_PLACES=35, PETRI_TRANSITIONS=0}
[2024-11-23 01:49:55,391 INFO L277 CegarLoopForPetriNet]: 40 programPoint places, -5 predicate places.
[2024-11-23 01:49:55,391 INFO L471 AbstractCegarLoop]: Abstraction has has 35 places, 0 transitions, 0 flow
[2024-11-23 01:49:55,391 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 15.8) internal successors, (79), 5 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)
[2024-11-23 01:49:55,396 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 11 remaining)
[2024-11-23 01:49:55,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 11 remaining)
[2024-11-23 01:49:55,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (8 of 11 remaining)
[2024-11-23 01:49:55,400 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 11 remaining)
[2024-11-23 01:49:55,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 11 remaining)
[2024-11-23 01:49:55,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 11 remaining)
[2024-11-23 01:49:55,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 11 remaining)
[2024-11-23 01:49:55,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 11 remaining)
[2024-11-23 01:49:55,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 11 remaining)
[2024-11-23 01:49:55,401 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 11 remaining)
[2024-11-23 01:49:55,402 INFO L782 garLoopResultBuilder]: Registering result SAFE for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 11 remaining)
[2024-11-23 01:49:55,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-23 01:49:55,402 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-23 01:49:55,410 INFO L239 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2024-11-23 01:49:55,410 INFO L170 ceAbstractionStarter]: Computing trace abstraction results
[2024-11-23 01:49:55,419 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 01:49:55 BasicIcfg
[2024-11-23 01:49:55,419 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2024-11-23 01:49:55,419 INFO L112 PluginConnector]: ------------------------Witness Printer----------------------------
[2024-11-23 01:49:55,420 INFO L270 PluginConnector]: Initializing Witness Printer...
[2024-11-23 01:49:55,420 INFO L274 PluginConnector]: Witness Printer initialized
[2024-11-23 01:49:55,420 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:49:53" (3/4) ...
[2024-11-23 01:49:55,422 INFO L142 WitnessPrinter]: Generating witness for correct program
[2024-11-23 01:49:55,425 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun
[2024-11-23 01:49:55,428 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 26 nodes and edges
[2024-11-23 01:49:55,429 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges
[2024-11-23 01:49:55,429 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges
[2024-11-23 01:49:55,504 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml
[2024-11-23 01:49:55,505 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml
[2024-11-23 01:49:55,505 INFO L131 PluginConnector]: ------------------------ END Witness Printer----------------------------
[2024-11-23 01:49:55,505 INFO L158 Benchmark]: Toolchain (without parser) took 3709.29ms. Allocated memory was 165.7MB in the beginning and 218.1MB in the end (delta: 52.4MB). Free memory was 89.9MB in the beginning and 141.5MB in the end (delta: -51.6MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB.
[2024-11-23 01:49:55,506 INFO L158 Benchmark]: CDTParser took 0.85ms. Allocated memory is still 165.7MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 01:49:55,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 595.35ms. Allocated memory is still 165.7MB. Free memory was 89.7MB in the beginning and 131.4MB in the end (delta: -41.8MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB.
[2024-11-23 01:49:55,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 43.71ms. Allocated memory is still 165.7MB. Free memory was 131.4MB in the beginning and 130.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
[2024-11-23 01:49:55,506 INFO L158 Benchmark]: Boogie Preprocessor took 51.96ms. Allocated memory is still 165.7MB. Free memory was 130.3MB in the beginning and 128.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
[2024-11-23 01:49:55,507 INFO L158 Benchmark]: RCFGBuilder took 597.14ms. Allocated memory is still 165.7MB. Free memory was 128.2MB in the beginning and 115.1MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
[2024-11-23 01:49:55,507 INFO L158 Benchmark]: TraceAbstraction took 2327.06ms. Allocated memory was 165.7MB in the beginning and 218.1MB in the end (delta: 52.4MB). Free memory was 115.1MB in the beginning and 145.7MB in the end (delta: -30.5MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB.
[2024-11-23 01:49:55,507 INFO L158 Benchmark]: Witness Printer took 85.53ms. Allocated memory is still 218.1MB. Free memory was 145.7MB in the beginning and 141.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
[2024-11-23 01:49:55,510 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.85ms. Allocated memory is still 165.7MB. Free memory is still 136.0MB. There was no memory consumed. Max. memory is 16.1GB.
* CACSL2BoogieTranslator took 595.35ms. Allocated memory is still 165.7MB. Free memory was 89.7MB in the beginning and 131.4MB in the end (delta: -41.8MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB.
* Boogie Procedure Inliner took 43.71ms. Allocated memory is still 165.7MB. Free memory was 131.4MB in the beginning and 130.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB.
* Boogie Preprocessor took 51.96ms. Allocated memory is still 165.7MB. Free memory was 130.3MB in the beginning and 128.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB.
* RCFGBuilder took 597.14ms. Allocated memory is still 165.7MB. Free memory was 128.2MB in the beginning and 115.1MB in the end (delta: 13.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB.
* TraceAbstraction took 2327.06ms. Allocated memory was 165.7MB in the beginning and 218.1MB in the end (delta: 52.4MB). Free memory was 115.1MB in the beginning and 145.7MB in the end (delta: -30.5MB). Peak memory consumption was 23.7MB. Max. memory is 16.1GB.
* Witness Printer took 85.53ms. Allocated memory is still 218.1MB. Free memory was 145.7MB in the beginning and 141.5MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
- PositiveResult [Line: 699]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 699]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 684]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 684]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 687]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- PositiveResult [Line: 687]: integer overflow can never occur
For all program executions holds that integer overflow can never occur at this location
- StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
CFG has 3 procedures, 59 locations, 11 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 2.2s, OverallIterations: 8, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 1.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 238 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 197 mSDsluCounter, 68 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 49 mSDsCounter, 24 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 582 IncrementalHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 24 mSolverCounterUnsat, 19 mSDtfsCounter, 582 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 28 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=132occurred in iteration=4, InterpolantAutomatonStates: 35, 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, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 107 NumberOfCodeBlocks, 107 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 99 ConstructedInterpolants, 0 QuantifiedInterpolants, 285 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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!
[2024-11-23 01:49:55,522 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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