./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_37-indirect_racing.i --full-output --architecture 32bit
--------------------------------------------------------------------------------
Checking for overflows
Using default analysis
Version 3061b6dc
Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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/28-race_reach_37-indirect_racing.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 78ae3f0dde82ce244d0cacebded5945a3f759d1f5aeba1d4553a1f59ef165385
--- Real Ultimate output ---
This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m
[2024-11-19 13:59:52,466 INFO L188 SettingsManager]: Resetting all preferences to default values...
[2024-11-19 13:59:52,513 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2024-11-19 13:59:52,517 WARN L101 SettingsManager]: Preference file contains the following unknown settings:
[2024-11-19 13:59:52,518 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-19 13:59:52,535 INFO L130 SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-19 13:59:52,535 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-19 13:59:52,536 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-19 13:59:52,536 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-19 13:59:52,537 INFO L153 SettingsManager]: * Use memory slicer=true
[2024-11-19 13:59:52,537 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-19 13:59:52,538 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-19 13:59:52,538 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-19 13:59:52,538 INFO L153 SettingsManager]: * Create parallel compositions if possible=false
[2024-11-19 13:59:52,540 INFO L153 SettingsManager]: * Use SBE=true
[2024-11-19 13:59:52,540 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-19 13:59:52,541 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2024-11-19 13:59:52,541 INFO L153 SettingsManager]: * sizeof long=4
[2024-11-19 13:59:52,541 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true
[2024-11-19 13:59:52,541 INFO L153 SettingsManager]: * sizeof POINTER=4
[2024-11-19 13:59:52,541 INFO L153 SettingsManager]: * Check division by zero=IGNORE
[2024-11-19 13:59:52,544 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2024-11-19 13:59:52,545 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-19 13:59:52,545 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2024-11-19 13:59:52,545 INFO L153 SettingsManager]: * Allow undefined functions=false
[2024-11-19 13:59:52,545 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME
[2024-11-19 13:59:52,545 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false
[2024-11-19 13:59:52,545 INFO L153 SettingsManager]: * sizeof long double=12
[2024-11-19 13:59:52,546 INFO L153 SettingsManager]: * Check if freed pointer was valid=false
[2024-11-19 13:59:52,546 INFO L153 SettingsManager]: * Use constant arrays=true
[2024-11-19 13:59:52,546 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-19 13:59:52,546 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements
[2024-11-19 13:59:52,546 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true
[2024-11-19 13:59:52,546 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode
[2024-11-19 13:59:52,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-19 13:59:52,547 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-19 13:59:52,547 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2024-11-19 13:59:52,547 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-19 13:59:52,547 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL
[2024-11-19 13:59:52,547 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-19 13:59:52,547 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-19 13:59:52,548 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-19 13:59:52,548 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO
[2024-11-19 13:59:52,549 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-19 13:59:52,549 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) )
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit
Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 78ae3f0dde82ce244d0cacebded5945a3f759d1f5aeba1d4553a1f59ef165385
[2024-11-19 13:59:52,727 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-19 13:59:52,751 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-19 13:59:52,755 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-19 13:59:52,756 INFO L270 PluginConnector]: Initializing CDTParser...
[2024-11-19 13:59:52,756 INFO L274 PluginConnector]: CDTParser initialized
[2024-11-19 13:59:52,757 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_37-indirect_racing.i
[2024-11-19 13:59:54,176 INFO L533 CDTParser]: Created temporary CDT project at NULL
[2024-11-19 13:59:54,373 INFO L384 CDTParser]: Found 1 translation units.
[2024-11-19 13:59:54,373 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_37-indirect_racing.i
[2024-11-19 13:59:54,396 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9779571f/4f88955e2ad246fa8c47cf68a89d31fa/FLAG7f58e39f2
[2024-11-19 13:59:54,407 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f9779571f/4f88955e2ad246fa8c47cf68a89d31fa
[2024-11-19 13:59:54,409 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-19 13:59:54,410 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-19 13:59:54,411 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-19 13:59:54,411 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-19 13:59:54,422 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-19 13:59:54,422 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:59:54" (1/1) ...
[2024-11-19 13:59:54,425 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6835eedb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:54, skipping insertion in model container
[2024-11-19 13:59:54,425 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 01:59:54" (1/1) ...
[2024-11-19 13:59:54,468 INFO L175 MainTranslator]: Built tables and reachable declarations
[2024-11-19 13:59:54,778 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-19 13:59:54,795 INFO L200 MainTranslator]: Completed pre-run
[2024-11-19 13:59:54,904 INFO L210 PostProcessor]: Analyzing one entry point: main
[2024-11-19 13:59:54,967 INFO L204 MainTranslator]: Completed translation
[2024-11-19 13:59:54,968 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:54 WrapperNode
[2024-11-19 13:59:54,968 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-19 13:59:54,969 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-19 13:59:54,969 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-19 13:59:54,969 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-19 13:59:54,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:54" (1/1) ...
[2024-11-19 13:59:54,992 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:54" (1/1) ...
[2024-11-19 13:59:55,020 INFO L138 Inliner]: procedures = 171, calls = 41, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84
[2024-11-19 13:59:55,020 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-19 13:59:55,021 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-19 13:59:55,021 INFO L270 PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-19 13:59:55,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized
[2024-11-19 13:59:55,033 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:54" (1/1) ...
[2024-11-19 13:59:55,033 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:54" (1/1) ...
[2024-11-19 13:59:55,035 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:54" (1/1) ...
[2024-11-19 13:59:55,047 INFO L175 MemorySlicer]: Split 20 memory accesses to 5 slices as follows [2, 5, 6, 5, 2]. 30 percent of accesses are in the largest equivalence class. The 13 initializations are split as follows [2, 5, 1, 5, 0]. The 3 writes are split as follows [0, 0, 2, 0, 1].
[2024-11-19 13:59:55,047 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:54" (1/1) ...
[2024-11-19 13:59:55,047 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:54" (1/1) ...
[2024-11-19 13:59:55,053 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:54" (1/1) ...
[2024-11-19 13:59:55,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:54" (1/1) ...
[2024-11-19 13:59:55,065 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:54" (1/1) ...
[2024-11-19 13:59:55,066 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:54" (1/1) ...
[2024-11-19 13:59:55,072 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-19 13:59:55,073 INFO L112 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-19 13:59:55,073 INFO L270 PluginConnector]: Initializing RCFGBuilder...
[2024-11-19 13:59:55,073 INFO L274 PluginConnector]: RCFGBuilder initialized
[2024-11-19 13:59:55,074 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:54" (1/1) ...
[2024-11-19 13:59:55,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-19 13:59:55,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-19 13:59:55,109 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)
[2024-11-19 13:59:55,111 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
[2024-11-19 13:59:55,177 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-19 13:59:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-19 13:59:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-19 13:59:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#3
[2024-11-19 13:59:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#4
[2024-11-19 13:59:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-19 13:59:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-19 13:59:55,178 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-19 13:59:55,179 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#3
[2024-11-19 13:59:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#4
[2024-11-19 13:59:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-19 13:59:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-19 13:59:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-19 13:59:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun
[2024-11-19 13:59:55,180 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun
[2024-11-19 13:59:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-19 13:59:55,180 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-19 13:59:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-19 13:59:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-19 13:59:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-11-19 13:59:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#4
[2024-11-19 13:59:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-19 13:59:55,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-19 13:59:55,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-19 13:59:55,183 WARN L207 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-19 13:59:55,311 INFO L238 CfgBuilder]: Building ICFG
[2024-11-19 13:59:55,313 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-19 13:59:55,504 INFO L283 CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-19 13:59:55,504 INFO L287 CfgBuilder]: Performing block encoding
[2024-11-19 13:59:55,640 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-19 13:59:55,640 INFO L316 CfgBuilder]: Removed 10 assume(true) statements.
[2024-11-19 13:59:55,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:59:55 BoogieIcfgContainer
[2024-11-19 13:59:55,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-19 13:59:55,642 INFO L112 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-19 13:59:55,642 INFO L270 PluginConnector]: Initializing TraceAbstraction...
[2024-11-19 13:59:55,648 INFO L274 PluginConnector]: TraceAbstraction initialized
[2024-11-19 13:59:55,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 01:59:54" (1/3) ...
[2024-11-19 13:59:55,648 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dac5941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:59:55, skipping insertion in model container
[2024-11-19 13:59:55,648 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 01:59:54" (2/3) ...
[2024-11-19 13:59:55,649 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dac5941 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 01:59:55, skipping insertion in model container
[2024-11-19 13:59:55,649 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 01:59:55" (3/3) ...
[2024-11-19 13:59:55,650 INFO L112 eAbstractionObserver]: Analyzing ICFG 28-race_reach_37-indirect_racing.i
[2024-11-19 13:59:55,673 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-19 13:59:55,674 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 8 error locations.
[2024-11-19 13:59:55,674 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-19 13:59:55,712 INFO L143 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions.
[2024-11-19 13:59:55,747 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 51 places, 57 transitions, 121 flow
[2024-11-19 13:59:55,774 INFO L124 PetriNetUnfolderBase]: 11/69 cut-off events.
[2024-11-19 13:59:55,775 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-19 13:59:55,778 INFO L83 FinitePrefix]: Finished finitePrefix Result has 74 conditions, 69 events. 11/69 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 191 event pairs, 0 based on Foata normal form. 0/47 useless extension candidates. Maximal degree in co-relation 48. Up to 4 conditions per place.
[2024-11-19 13:59:55,778 INFO L82 GeneralOperation]: Start removeDead. Operand has 51 places, 57 transitions, 121 flow
[2024-11-19 13:59:55,780 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 51 places, 56 transitions, 119 flow
[2024-11-19 13:59:55,791 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-19 13:59:55,804 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;@73519ca0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-19 13:59:55,804 INFO L334 AbstractCegarLoop]: Starting to check reachability of 13 error locations.
[2024-11-19 13:59:55,813 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-19 13:59:55,813 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events.
[2024-11-19 13:59:55,813 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-19 13:59:55,814 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-19 13:59:55,814 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2024-11-19 13:59:55,815 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] ===
[2024-11-19 13:59:55,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:59:55,826 INFO L85 PathProgramCache]: Analyzing trace with hash 358019938, now seen corresponding path program 1 times
[2024-11-19 13:59:55,835 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:59:55,835 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [665231297]
[2024-11-19 13:59:55,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:59:55,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:59:55,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:59:56,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 13:59:56,047 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:59:56,048 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [665231297]
[2024-11-19 13:59:56,048 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [665231297] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 13:59:56,048 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 13:59:56,049 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-19 13:59:56,050 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1518374534]
[2024-11-19 13:59:56,051 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 13:59:56,058 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-19 13:59:56,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:59:56,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-19 13:59:56,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-19 13:59:56,097 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 23 out of 57
[2024-11-19 13:59:56,099 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 51 places, 56 transitions, 119 flow. Second operand has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 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)
[2024-11-19 13:59:56,099 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 13:59:56,099 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 23 of 57
[2024-11-19 13:59:56,100 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-19 13:59:56,256 INFO L124 PetriNetUnfolderBase]: 99/301 cut-off events.
[2024-11-19 13:59:56,256 INFO L125 PetriNetUnfolderBase]: For 1/1 co-relation queries the response was YES.
[2024-11-19 13:59:56,257 INFO L83 FinitePrefix]: Finished finitePrefix Result has 529 conditions, 301 events. 99/301 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 16. Compared 1406 event pairs, 0 based on Foata normal form. 64/334 useless extension candidates. Maximal degree in co-relation 499. Up to 186 conditions per place.
[2024-11-19 13:59:56,260 INFO L140 encePairwiseOnDemand]: 43/57 looper letters, 43 selfloop transitions, 3 changer transitions 0/69 dead transitions.
[2024-11-19 13:59:56,261 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 52 places, 69 transitions, 237 flow
[2024-11-19 13:59:56,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-19 13:59:56,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-19 13:59:56,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 161 transitions.
[2024-11-19 13:59:56,273 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.706140350877193
[2024-11-19 13:59:56,274 INFO L175 Difference]: Start difference. First operand has 51 places, 56 transitions, 119 flow. Second operand 4 states and 161 transitions.
[2024-11-19 13:59:56,275 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 52 places, 69 transitions, 237 flow
[2024-11-19 13:59:56,278 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 52 places, 69 transitions, 237 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-19 13:59:56,281 INFO L231 Difference]: Finished difference. Result has 53 places, 46 transitions, 109 flow
[2024-11-19 13:59:56,283 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=57, PETRI_DIFFERENCE_MINUEND_FLOW=99, PETRI_DIFFERENCE_MINUEND_PLACES=49, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=46, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=43, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=109, PETRI_PLACES=53, PETRI_TRANSITIONS=46}
[2024-11-19 13:59:56,287 INFO L277 CegarLoopForPetriNet]: 51 programPoint places, 2 predicate places.
[2024-11-19 13:59:56,288 INFO L471 AbstractCegarLoop]: Abstraction has has 53 places, 46 transitions, 109 flow
[2024-11-19 13:59:56,288 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 24.25) internal successors, (97), 4 states have internal predecessors, (97), 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)
[2024-11-19 13:59:56,288 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-19 13:59:56,288 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1]
[2024-11-19 13:59:56,288 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-19 13:59:56,289 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 10 more)] ===
[2024-11-19 13:59:56,289 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:59:56,289 INFO L85 PathProgramCache]: Analyzing trace with hash 1368527425, now seen corresponding path program 1 times
[2024-11-19 13:59:56,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:59:56,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [269118984]
[2024-11-19 13:59:56,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:59:56,290 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:59:56,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-19 13:59:56,322 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-19 13:59:56,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-19 13:59:56,357 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-19 13:59:56,357 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-19 13:59:56,359 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (12 of 13 remaining)
[2024-11-19 13:59:56,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 13 remaining)
[2024-11-19 13:59:56,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 13 remaining)
[2024-11-19 13:59:56,361 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 13 remaining)
[2024-11-19 13:59:56,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 13 remaining)
[2024-11-19 13:59:56,362 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 13 remaining)
[2024-11-19 13:59:56,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 13 remaining)
[2024-11-19 13:59:56,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 13 remaining)
[2024-11-19 13:59:56,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 13 remaining)
[2024-11-19 13:59:56,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 13 remaining)
[2024-11-19 13:59:56,363 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 13 remaining)
[2024-11-19 13:59:56,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 13 remaining)
[2024-11-19 13:59:56,364 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 13 remaining)
[2024-11-19 13:59:56,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2024-11-19 13:59:56,365 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1]
[2024-11-19 13:59:56,367 WARN L244 ceAbstractionStarter]: 1 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-19 13:59:56,367 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 2 thread instances.
[2024-11-19 13:59:56,408 INFO L143 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2024-11-19 13:59:56,415 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 79 places, 90 transitions, 196 flow
[2024-11-19 13:59:56,437 INFO L124 PetriNetUnfolderBase]: 21/133 cut-off events.
[2024-11-19 13:59:56,438 INFO L125 PetriNetUnfolderBase]: For 6/6 co-relation queries the response was YES.
[2024-11-19 13:59:56,440 INFO L83 FinitePrefix]: Finished finitePrefix Result has 145 conditions, 133 events. 21/133 cut-off events. For 6/6 co-relation queries the response was YES. Maximal size of possible extension queue 10. Compared 477 event pairs, 0 based on Foata normal form. 0/90 useless extension candidates. Maximal degree in co-relation 88. Up to 6 conditions per place.
[2024-11-19 13:59:56,441 INFO L82 GeneralOperation]: Start removeDead. Operand has 79 places, 90 transitions, 196 flow
[2024-11-19 13:59:56,443 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 79 places, 90 transitions, 196 flow
[2024-11-19 13:59:56,444 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-19 13:59:56,444 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;@73519ca0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-19 13:59:56,444 INFO L334 AbstractCegarLoop]: Starting to check reachability of 17 error locations.
[2024-11-19 13:59:56,448 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-19 13:59:56,448 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events.
[2024-11-19 13:59:56,448 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-19 13:59:56,449 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-19 13:59:56,449 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2024-11-19 13:59:56,450 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] ===
[2024-11-19 13:59:56,450 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:59:56,450 INFO L85 PathProgramCache]: Analyzing trace with hash 443937179, now seen corresponding path program 1 times
[2024-11-19 13:59:56,450 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:59:56,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039518993]
[2024-11-19 13:59:56,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:59:56,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:59:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:59:56,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 13:59:56,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:59:56,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039518993]
[2024-11-19 13:59:56,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039518993] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 13:59:56,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 13:59:56,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-19 13:59:56,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852331898]
[2024-11-19 13:59:56,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 13:59:56,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-19 13:59:56,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:59:56,523 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-19 13:59:56,523 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-19 13:59:56,529 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 90
[2024-11-19 13:59:56,530 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 79 places, 90 transitions, 196 flow. Second operand has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 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)
[2024-11-19 13:59:56,531 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 13:59:56,531 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 90
[2024-11-19 13:59:56,531 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-19 13:59:57,225 INFO L124 PetriNetUnfolderBase]: 3203/7079 cut-off events.
[2024-11-19 13:59:57,226 INFO L125 PetriNetUnfolderBase]: For 92/92 co-relation queries the response was YES.
[2024-11-19 13:59:57,238 INFO L83 FinitePrefix]: Finished finitePrefix Result has 12264 conditions, 7079 events. 3203/7079 cut-off events. For 92/92 co-relation queries the response was YES. Maximal size of possible extension queue 244. Compared 59631 event pairs, 1496 based on Foata normal form. 1367/7624 useless extension candidates. Maximal degree in co-relation 977. Up to 5081 conditions per place.
[2024-11-19 13:59:57,267 INFO L140 encePairwiseOnDemand]: 70/90 looper letters, 61 selfloop transitions, 3 changer transitions 0/101 dead transitions.
[2024-11-19 13:59:57,267 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 82 places, 101 transitions, 346 flow
[2024-11-19 13:59:57,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-19 13:59:57,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-19 13:59:57,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 241 transitions.
[2024-11-19 13:59:57,269 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6694444444444444
[2024-11-19 13:59:57,269 INFO L175 Difference]: Start difference. First operand has 79 places, 90 transitions, 196 flow. Second operand 4 states and 241 transitions.
[2024-11-19 13:59:57,269 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 82 places, 101 transitions, 346 flow
[2024-11-19 13:59:57,272 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 82 places, 101 transitions, 346 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-19 13:59:57,274 INFO L231 Difference]: Finished difference. Result has 84 places, 78 transitions, 192 flow
[2024-11-19 13:59:57,274 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=168, PETRI_DIFFERENCE_MINUEND_PLACES=79, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=76, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=192, PETRI_PLACES=84, PETRI_TRANSITIONS=78}
[2024-11-19 13:59:57,275 INFO L277 CegarLoopForPetriNet]: 79 programPoint places, 5 predicate places.
[2024-11-19 13:59:57,275 INFO L471 AbstractCegarLoop]: Abstraction has has 84 places, 78 transitions, 192 flow
[2024-11-19 13:59:57,275 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 38.25) internal successors, (153), 4 states have internal predecessors, (153), 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)
[2024-11-19 13:59:57,276 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-19 13:59:57,276 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1]
[2024-11-19 13:59:57,276 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2024-11-19 13:59:57,276 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] ===
[2024-11-19 13:59:57,276 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:59:57,276 INFO L85 PathProgramCache]: Analyzing trace with hash -2008436726, now seen corresponding path program 1 times
[2024-11-19 13:59:57,277 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:59:57,277 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1396507287]
[2024-11-19 13:59:57,277 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:59:57,277 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:59:57,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:59:57,389 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 13:59:57,389 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:59:57,389 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1396507287]
[2024-11-19 13:59:57,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1396507287] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-19 13:59:57,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [205589687]
[2024-11-19 13:59:57,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:59:57,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-19 13:59:57,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-19 13:59:57,395 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-19 13:59:57,397 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-19 13:59:57,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:59:57,498 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-19 13:59:57,500 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-19 13:59:57,601 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 13:59:57,601 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-19 13:59:57,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [205589687] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 13:59:57,601 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-19 13:59:57,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6
[2024-11-19 13:59:57,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102297250]
[2024-11-19 13:59:57,602 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 13:59:57,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-19 13:59:57,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:59:57,602 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-19 13:59:57,602 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-19 13:59:57,625 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 90
[2024-11-19 13:59:57,626 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 84 places, 78 transitions, 192 flow. Second operand has 6 states, 6 states have (on average 38.5) internal successors, (231), 6 states have internal predecessors, (231), 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)
[2024-11-19 13:59:57,626 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 13:59:57,626 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 90
[2024-11-19 13:59:57,626 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-19 13:59:58,602 INFO L124 PetriNetUnfolderBase]: 2939/6095 cut-off events.
[2024-11-19 13:59:58,602 INFO L125 PetriNetUnfolderBase]: For 648/648 co-relation queries the response was YES.
[2024-11-19 13:59:58,612 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11512 conditions, 6095 events. 2939/6095 cut-off events. For 648/648 co-relation queries the response was YES. Maximal size of possible extension queue 201. Compared 48410 event pairs, 252 based on Foata normal form. 144/5743 useless extension candidates. Maximal degree in co-relation 949. Up to 2719 conditions per place.
[2024-11-19 13:59:58,633 INFO L140 encePairwiseOnDemand]: 85/90 looper letters, 101 selfloop transitions, 6 changer transitions 0/144 dead transitions.
[2024-11-19 13:59:58,634 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 88 places, 144 transitions, 536 flow
[2024-11-19 13:59:58,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-19 13:59:58,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-19 13:59:58,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 330 transitions.
[2024-11-19 13:59:58,638 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6111111111111112
[2024-11-19 13:59:58,640 INFO L175 Difference]: Start difference. First operand has 84 places, 78 transitions, 192 flow. Second operand 6 states and 330 transitions.
[2024-11-19 13:59:58,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 88 places, 144 transitions, 536 flow
[2024-11-19 13:59:58,641 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 144 transitions, 534 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-19 13:59:58,643 INFO L231 Difference]: Finished difference. Result has 87 places, 77 transitions, 198 flow
[2024-11-19 13:59:58,643 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=82, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=71, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=198, PETRI_PLACES=87, PETRI_TRANSITIONS=77}
[2024-11-19 13:59:58,645 INFO L277 CegarLoopForPetriNet]: 79 programPoint places, 8 predicate places.
[2024-11-19 13:59:58,645 INFO L471 AbstractCegarLoop]: Abstraction has has 87 places, 77 transitions, 198 flow
[2024-11-19 13:59:58,646 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 38.5) internal successors, (231), 6 states have internal predecessors, (231), 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)
[2024-11-19 13:59:58,646 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-19 13:59:58,646 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 13:59:58,659 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0
[2024-11-19 13:59:58,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-19 13:59:58,852 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] ===
[2024-11-19 13:59:58,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:59:58,853 INFO L85 PathProgramCache]: Analyzing trace with hash 1022575054, now seen corresponding path program 1 times
[2024-11-19 13:59:58,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:59:58,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2090782187]
[2024-11-19 13:59:58,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:59:58,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:59:58,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:59:59,007 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 13:59:59,008 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:59:59,008 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2090782187]
[2024-11-19 13:59:59,008 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2090782187] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 13:59:59,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 13:59:59,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-19 13:59:59,009 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44138169]
[2024-11-19 13:59:59,009 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 13:59:59,009 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-19 13:59:59,010 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:59:59,010 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-19 13:59:59,011 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-19 13:59:59,014 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 38 out of 90
[2024-11-19 13:59:59,014 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 87 places, 77 transitions, 198 flow. Second operand has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 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)
[2024-11-19 13:59:59,014 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 13:59:59,015 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 38 of 90
[2024-11-19 13:59:59,015 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-19 13:59:59,596 INFO L124 PetriNetUnfolderBase]: 2816/6146 cut-off events.
[2024-11-19 13:59:59,596 INFO L125 PetriNetUnfolderBase]: For 1303/1464 co-relation queries the response was YES.
[2024-11-19 13:59:59,608 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11488 conditions, 6146 events. 2816/6146 cut-off events. For 1303/1464 co-relation queries the response was YES. Maximal size of possible extension queue 235. Compared 49900 event pairs, 911 based on Foata normal form. 121/5719 useless extension candidates. Maximal degree in co-relation 9011. Up to 3985 conditions per place.
[2024-11-19 13:59:59,638 INFO L140 encePairwiseOnDemand]: 84/90 looper letters, 83 selfloop transitions, 6 changer transitions 0/127 dead transitions.
[2024-11-19 13:59:59,638 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 91 places, 127 transitions, 521 flow
[2024-11-19 13:59:59,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-19 13:59:59,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-19 13:59:59,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 280 transitions.
[2024-11-19 13:59:59,640 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6222222222222222
[2024-11-19 13:59:59,640 INFO L175 Difference]: Start difference. First operand has 87 places, 77 transitions, 198 flow. Second operand 5 states and 280 transitions.
[2024-11-19 13:59:59,640 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 91 places, 127 transitions, 521 flow
[2024-11-19 13:59:59,644 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 87 places, 127 transitions, 498 flow, removed 5 selfloop flow, removed 4 redundant places.
[2024-11-19 13:59:59,646 INFO L231 Difference]: Finished difference. Result has 90 places, 82 transitions, 230 flow
[2024-11-19 13:59:59,646 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=186, PETRI_DIFFERENCE_MINUEND_PLACES=83, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=77, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=73, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=230, PETRI_PLACES=90, PETRI_TRANSITIONS=82}
[2024-11-19 13:59:59,646 INFO L277 CegarLoopForPetriNet]: 79 programPoint places, 11 predicate places.
[2024-11-19 13:59:59,647 INFO L471 AbstractCegarLoop]: Abstraction has has 90 places, 82 transitions, 230 flow
[2024-11-19 13:59:59,647 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.75) internal successors, (159), 4 states have internal predecessors, (159), 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)
[2024-11-19 13:59:59,647 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-19 13:59:59,647 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1]
[2024-11-19 13:59:59,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2024-11-19 13:59:59,647 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] ===
[2024-11-19 13:59:59,648 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 13:59:59,648 INFO L85 PathProgramCache]: Analyzing trace with hash -2131995919, now seen corresponding path program 1 times
[2024-11-19 13:59:59,648 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 13:59:59,648 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1268387225]
[2024-11-19 13:59:59,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 13:59:59,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 13:59:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 13:59:59,694 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-19 13:59:59,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 13:59:59,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1268387225]
[2024-11-19 13:59:59,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1268387225] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 13:59:59,695 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 13:59:59,695 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-19 13:59:59,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28804333]
[2024-11-19 13:59:59,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 13:59:59,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-19 13:59:59,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 13:59:59,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-19 13:59:59,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-19 13:59:59,701 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 37 out of 90
[2024-11-19 13:59:59,702 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 90 places, 82 transitions, 230 flow. Second operand has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 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)
[2024-11-19 13:59:59,702 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 13:59:59,702 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 37 of 90
[2024-11-19 13:59:59,702 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-19 14:00:00,340 INFO L124 PetriNetUnfolderBase]: 2829/5686 cut-off events.
[2024-11-19 14:00:00,340 INFO L125 PetriNetUnfolderBase]: For 1479/1479 co-relation queries the response was YES.
[2024-11-19 14:00:00,351 INFO L83 FinitePrefix]: Finished finitePrefix Result has 11545 conditions, 5686 events. 2829/5686 cut-off events. For 1479/1479 co-relation queries the response was YES. Maximal size of possible extension queue 188. Compared 43678 event pairs, 397 based on Foata normal form. 152/5561 useless extension candidates. Maximal degree in co-relation 10731. Up to 3339 conditions per place.
[2024-11-19 14:00:00,368 INFO L140 encePairwiseOnDemand]: 85/90 looper letters, 93 selfloop transitions, 6 changer transitions 0/136 dead transitions.
[2024-11-19 14:00:00,368 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 92 places, 136 transitions, 580 flow
[2024-11-19 14:00:00,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-19 14:00:00,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-19 14:00:00,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 231 transitions.
[2024-11-19 14:00:00,369 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6416666666666667
[2024-11-19 14:00:00,369 INFO L175 Difference]: Start difference. First operand has 90 places, 82 transitions, 230 flow. Second operand 4 states and 231 transitions.
[2024-11-19 14:00:00,370 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 92 places, 136 transitions, 580 flow
[2024-11-19 14:00:00,377 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 91 places, 136 transitions, 576 flow, removed 1 selfloop flow, removed 1 redundant places.
[2024-11-19 14:00:00,379 INFO L231 Difference]: Finished difference. Result has 92 places, 82 transitions, 242 flow
[2024-11-19 14:00:00,379 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=90, PETRI_DIFFERENCE_MINUEND_FLOW=222, PETRI_DIFFERENCE_MINUEND_PLACES=88, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=81, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=75, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=242, PETRI_PLACES=92, PETRI_TRANSITIONS=82}
[2024-11-19 14:00:00,381 INFO L277 CegarLoopForPetriNet]: 79 programPoint places, 13 predicate places.
[2024-11-19 14:00:00,381 INFO L471 AbstractCegarLoop]: Abstraction has has 92 places, 82 transitions, 242 flow
[2024-11-19 14:00:00,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 39.25) internal successors, (157), 4 states have internal predecessors, (157), 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)
[2024-11-19 14:00:00,382 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-19 14:00:00,382 INFO L204 CegarLoopForPetriNet]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1]
[2024-11-19 14:00:00,382 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5
[2024-11-19 14:00:00,382 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 14 more)] ===
[2024-11-19 14:00:00,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 14:00:00,382 INFO L85 PathProgramCache]: Analyzing trace with hash -148663854, now seen corresponding path program 1 times
[2024-11-19 14:00:00,383 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 14:00:00,383 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [624223881]
[2024-11-19 14:00:00,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 14:00:00,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 14:00:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-19 14:00:00,400 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2024-11-19 14:00:00,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat
[2024-11-19 14:00:00,412 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2024-11-19 14:00:00,414 INFO L325 BasicCegarLoop]: Counterexample is feasible
[2024-11-19 14:00:00,414 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (16 of 17 remaining)
[2024-11-19 14:00:00,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 17 remaining)
[2024-11-19 14:00:00,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 17 remaining)
[2024-11-19 14:00:00,414 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 17 remaining)
[2024-11-19 14:00:00,415 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 17 remaining)
[2024-11-19 14:00:00,415 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 17 remaining)
[2024-11-19 14:00:00,415 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 17 remaining)
[2024-11-19 14:00:00,415 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 17 remaining)
[2024-11-19 14:00:00,415 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 17 remaining)
[2024-11-19 14:00:00,417 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 17 remaining)
[2024-11-19 14:00:00,417 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 17 remaining)
[2024-11-19 14:00:00,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 17 remaining)
[2024-11-19 14:00:00,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 17 remaining)
[2024-11-19 14:00:00,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 17 remaining)
[2024-11-19 14:00:00,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 17 remaining)
[2024-11-19 14:00:00,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 17 remaining)
[2024-11-19 14:00:00,418 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 17 remaining)
[2024-11-19 14:00:00,418 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6
[2024-11-19 14:00:00,418 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2024-11-19 14:00:00,419 WARN L244 ceAbstractionStarter]: 2 thread instances were not sufficient, I will increase this number and restart the analysis
[2024-11-19 14:00:00,419 INFO L489 ceAbstractionStarter]: Constructing petrified ICFG for 3 thread instances.
[2024-11-19 14:00:00,445 INFO L143 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions.
[2024-11-19 14:00:00,447 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 107 places, 123 transitions, 273 flow
[2024-11-19 14:00:00,462 INFO L124 PetriNetUnfolderBase]: 34/216 cut-off events.
[2024-11-19 14:00:00,462 INFO L125 PetriNetUnfolderBase]: For 19/19 co-relation queries the response was YES.
[2024-11-19 14:00:00,463 INFO L83 FinitePrefix]: Finished finitePrefix Result has 241 conditions, 216 events. 34/216 cut-off events. For 19/19 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 876 event pairs, 1 based on Foata normal form. 0/146 useless extension candidates. Maximal degree in co-relation 148. Up to 12 conditions per place.
[2024-11-19 14:00:00,464 INFO L82 GeneralOperation]: Start removeDead. Operand has 107 places, 123 transitions, 273 flow
[2024-11-19 14:00:00,465 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 107 places, 123 transitions, 273 flow
[2024-11-19 14:00:00,466 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-19 14:00:00,466 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;@73519ca0, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-19 14:00:00,466 INFO L334 AbstractCegarLoop]: Starting to check reachability of 21 error locations.
[2024-11-19 14:00:00,467 INFO L185 PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-19 14:00:00,467 INFO L124 PetriNetUnfolderBase]: 0/11 cut-off events.
[2024-11-19 14:00:00,468 INFO L125 PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-19 14:00:00,468 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-19 14:00:00,468 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2024-11-19 14:00:00,468 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] ===
[2024-11-19 14:00:00,468 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 14:00:00,468 INFO L85 PathProgramCache]: Analyzing trace with hash 561346485, now seen corresponding path program 1 times
[2024-11-19 14:00:00,468 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 14:00:00,469 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [109695366]
[2024-11-19 14:00:00,469 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 14:00:00,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 14:00:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 14:00:00,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 14:00:00,496 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 14:00:00,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [109695366]
[2024-11-19 14:00:00,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [109695366] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 14:00:00,497 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 14:00:00,497 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-19 14:00:00,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1277770549]
[2024-11-19 14:00:00,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 14:00:00,497 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-19 14:00:00,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 14:00:00,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-19 14:00:00,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-19 14:00:00,502 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 123
[2024-11-19 14:00:00,502 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 107 places, 123 transitions, 273 flow. Second operand has 4 states, 4 states have (on average 52.25) internal successors, (209), 4 states have internal predecessors, (209), 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)
[2024-11-19 14:00:00,502 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 14:00:00,502 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 123
[2024-11-19 14:00:00,502 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-19 14:00:08,657 INFO L124 PetriNetUnfolderBase]: 61547/112464 cut-off events.
[2024-11-19 14:00:08,657 INFO L125 PetriNetUnfolderBase]: For 1911/1911 co-relation queries the response was YES.
[2024-11-19 14:00:08,937 INFO L83 FinitePrefix]: Finished finitePrefix Result has 199239 conditions, 112464 events. 61547/112464 cut-off events. For 1911/1911 co-relation queries the response was YES. Maximal size of possible extension queue 2793. Compared 1176490 event pairs, 39796 based on Foata normal form. 24272/125138 useless extension candidates. Maximal degree in co-relation 13323. Up to 85613 conditions per place.
[2024-11-19 14:00:09,461 INFO L140 encePairwiseOnDemand]: 97/123 looper letters, 74 selfloop transitions, 3 changer transitions 0/128 dead transitions.
[2024-11-19 14:00:09,462 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 110 places, 128 transitions, 437 flow
[2024-11-19 14:00:09,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-19 14:00:09,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-19 14:00:09,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 316 transitions.
[2024-11-19 14:00:09,464 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6422764227642277
[2024-11-19 14:00:09,464 INFO L175 Difference]: Start difference. First operand has 107 places, 123 transitions, 273 flow. Second operand 4 states and 316 transitions.
[2024-11-19 14:00:09,465 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 110 places, 128 transitions, 437 flow
[2024-11-19 14:00:09,468 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 110 places, 128 transitions, 437 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-19 14:00:09,470 INFO L231 Difference]: Finished difference. Result has 112 places, 105 transitions, 257 flow
[2024-11-19 14:00:09,470 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=233, PETRI_DIFFERENCE_MINUEND_PLACES=107, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=103, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=257, PETRI_PLACES=112, PETRI_TRANSITIONS=105}
[2024-11-19 14:00:09,470 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 5 predicate places.
[2024-11-19 14:00:09,470 INFO L471 AbstractCegarLoop]: Abstraction has has 112 places, 105 transitions, 257 flow
[2024-11-19 14:00:09,471 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 52.25) internal successors, (209), 4 states have internal predecessors, (209), 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)
[2024-11-19 14:00:09,471 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-19 14:00:09,471 INFO L204 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 14:00:09,471 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7
[2024-11-19 14:00:09,472 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] ===
[2024-11-19 14:00:09,473 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 14:00:09,473 INFO L85 PathProgramCache]: Analyzing trace with hash -685101395, now seen corresponding path program 1 times
[2024-11-19 14:00:09,473 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 14:00:09,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1776590990]
[2024-11-19 14:00:09,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 14:00:09,473 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 14:00:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 14:00:09,583 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 14:00:09,583 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 14:00:09,583 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1776590990]
[2024-11-19 14:00:09,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1776590990] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 14:00:09,584 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 14:00:09,584 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-19 14:00:09,584 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1548418873]
[2024-11-19 14:00:09,584 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 14:00:09,584 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-19 14:00:09,584 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 14:00:09,585 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-19 14:00:09,585 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-19 14:00:09,589 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 123
[2024-11-19 14:00:09,589 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 112 places, 105 transitions, 257 flow. Second operand has 4 states, 4 states have (on average 53.75) internal successors, (215), 4 states have internal predecessors, (215), 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)
[2024-11-19 14:00:09,590 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 14:00:09,590 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 123
[2024-11-19 14:00:09,590 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-19 14:00:16,998 INFO L124 PetriNetUnfolderBase]: 56914/100530 cut-off events.
[2024-11-19 14:00:16,998 INFO L125 PetriNetUnfolderBase]: For 6449/10968 co-relation queries the response was YES.
[2024-11-19 14:00:17,326 INFO L83 FinitePrefix]: Finished finitePrefix Result has 185868 conditions, 100530 events. 56914/100530 cut-off events. For 6449/10968 co-relation queries the response was YES. Maximal size of possible extension queue 2634. Compared 1002853 event pairs, 23513 based on Foata normal form. 1507/93986 useless extension candidates. Maximal degree in co-relation 185766. Up to 73664 conditions per place.
[2024-11-19 14:00:17,698 INFO L140 encePairwiseOnDemand]: 116/123 looper letters, 121 selfloop transitions, 8 changer transitions 0/182 dead transitions.
[2024-11-19 14:00:17,698 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 116 places, 182 transitions, 724 flow
[2024-11-19 14:00:17,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states.
[2024-11-19 14:00:17,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states.
[2024-11-19 14:00:17,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 390 transitions.
[2024-11-19 14:00:17,699 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6341463414634146
[2024-11-19 14:00:17,699 INFO L175 Difference]: Start difference. First operand has 112 places, 105 transitions, 257 flow. Second operand 5 states and 390 transitions.
[2024-11-19 14:00:17,699 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 116 places, 182 transitions, 724 flow
[2024-11-19 14:00:17,704 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 115 places, 182 transitions, 720 flow, removed 0 selfloop flow, removed 1 redundant places.
[2024-11-19 14:00:17,706 INFO L231 Difference]: Finished difference. Result has 118 places, 112 transitions, 316 flow
[2024-11-19 14:00:17,706 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=255, PETRI_DIFFERENCE_MINUEND_PLACES=111, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=105, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=100, PETRI_DIFFERENCE_SUBTRAHEND_STATES=5, PETRI_FLOW=316, PETRI_PLACES=118, PETRI_TRANSITIONS=112}
[2024-11-19 14:00:17,707 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 11 predicate places.
[2024-11-19 14:00:17,707 INFO L471 AbstractCegarLoop]: Abstraction has has 118 places, 112 transitions, 316 flow
[2024-11-19 14:00:17,708 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.75) internal successors, (215), 4 states have internal predecessors, (215), 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)
[2024-11-19 14:00:17,708 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-19 14:00:17,708 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1]
[2024-11-19 14:00:17,708 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8
[2024-11-19 14:00:17,708 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] ===
[2024-11-19 14:00:17,708 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 14:00:17,709 INFO L85 PathProgramCache]: Analyzing trace with hash -445943734, now seen corresponding path program 1 times
[2024-11-19 14:00:17,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 14:00:17,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227153101]
[2024-11-19 14:00:17,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 14:00:17,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 14:00:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 14:00:17,750 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 14:00:17,751 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 14:00:17,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227153101]
[2024-11-19 14:00:17,751 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227153101] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-19 14:00:17,751 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [5444187]
[2024-11-19 14:00:17,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 14:00:17,751 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-19 14:00:17,751 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-19 14:00:17,756 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-19 14:00:17,760 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-19 14:00:17,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 14:00:17,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 5 conjuncts are in the unsatisfiable core
[2024-11-19 14:00:17,828 INFO L278 TraceCheckSpWp]: Computing forward predicates...
[2024-11-19 14:00:17,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-19 14:00:17,860 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect
[2024-11-19 14:00:17,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [5444187] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 14:00:17,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences.
[2024-11-19 14:00:17,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6
[2024-11-19 14:00:17,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603505172]
[2024-11-19 14:00:17,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 14:00:17,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states
[2024-11-19 14:00:17,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 14:00:17,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants.
[2024-11-19 14:00:17,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56
[2024-11-19 14:00:17,867 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 123
[2024-11-19 14:00:17,868 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 118 places, 112 transitions, 316 flow. Second operand has 6 states, 6 states have (on average 52.5) internal successors, (315), 6 states have internal predecessors, (315), 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)
[2024-11-19 14:00:17,868 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 14:00:17,868 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 123
[2024-11-19 14:00:17,868 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-19 14:00:26,460 INFO L124 PetriNetUnfolderBase]: 63163/109292 cut-off events.
[2024-11-19 14:00:26,460 INFO L125 PetriNetUnfolderBase]: For 27006/27006 co-relation queries the response was YES.
[2024-11-19 14:00:26,830 INFO L83 FinitePrefix]: Finished finitePrefix Result has 223267 conditions, 109292 events. 63163/109292 cut-off events. For 27006/27006 co-relation queries the response was YES. Maximal size of possible extension queue 2637. Compared 1086938 event pairs, 9989 based on Foata normal form. 2120/103004 useless extension candidates. Maximal degree in co-relation 194320. Up to 51546 conditions per place.
[2024-11-19 14:00:27,215 INFO L140 encePairwiseOnDemand]: 118/123 looper letters, 157 selfloop transitions, 6 changer transitions 0/214 dead transitions.
[2024-11-19 14:00:27,216 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 122 places, 214 transitions, 930 flow
[2024-11-19 14:00:27,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states.
[2024-11-19 14:00:27,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-19 14:00:27,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 449 transitions.
[2024-11-19 14:00:27,217 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6084010840108401
[2024-11-19 14:00:27,217 INFO L175 Difference]: Start difference. First operand has 118 places, 112 transitions, 316 flow. Second operand 6 states and 449 transitions.
[2024-11-19 14:00:27,217 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 122 places, 214 transitions, 930 flow
[2024-11-19 14:00:27,232 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 122 places, 214 transitions, 930 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-19 14:00:27,237 INFO L231 Difference]: Finished difference. Result has 122 places, 111 transitions, 324 flow
[2024-11-19 14:00:27,237 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=312, PETRI_DIFFERENCE_MINUEND_PLACES=117, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=111, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=105, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=324, PETRI_PLACES=122, PETRI_TRANSITIONS=111}
[2024-11-19 14:00:27,238 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 15 predicate places.
[2024-11-19 14:00:27,238 INFO L471 AbstractCegarLoop]: Abstraction has has 122 places, 111 transitions, 324 flow
[2024-11-19 14:00:27,238 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 52.5) internal successors, (315), 6 states have internal predecessors, (315), 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)
[2024-11-19 14:00:27,238 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-19 14:00:27,239 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1]
[2024-11-19 14:00:27,268 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-19 14:00:27,439 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9
[2024-11-19 14:00:27,440 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] ===
[2024-11-19 14:00:27,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 14:00:27,441 INFO L85 PathProgramCache]: Analyzing trace with hash -939353300, now seen corresponding path program 1 times
[2024-11-19 14:00:27,444 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 14:00:27,444 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1317937601]
[2024-11-19 14:00:27,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 14:00:27,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 14:00:27,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 14:00:27,471 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked.
[2024-11-19 14:00:27,472 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 14:00:27,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1317937601]
[2024-11-19 14:00:27,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1317937601] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 14:00:27,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 14:00:27,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2024-11-19 14:00:27,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751128630]
[2024-11-19 14:00:27,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 14:00:27,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-19 14:00:27,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 14:00:27,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-19 14:00:27,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-19 14:00:27,477 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 51 out of 123
[2024-11-19 14:00:27,477 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 122 places, 111 transitions, 324 flow. Second operand has 4 states, 4 states have (on average 53.25) internal successors, (213), 4 states have internal predecessors, (213), 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)
[2024-11-19 14:00:27,477 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 14:00:27,478 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 51 of 123
[2024-11-19 14:00:27,478 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-19 14:00:35,428 INFO L124 PetriNetUnfolderBase]: 57576/96993 cut-off events.
[2024-11-19 14:00:35,428 INFO L125 PetriNetUnfolderBase]: For 32533/32533 co-relation queries the response was YES.
[2024-11-19 14:00:35,769 INFO L83 FinitePrefix]: Finished finitePrefix Result has 206057 conditions, 96993 events. 57576/96993 cut-off events. For 32533/32533 co-relation queries the response was YES. Maximal size of possible extension queue 2373. Compared 918217 event pairs, 7368 based on Foata normal form. 2120/94166 useless extension candidates. Maximal degree in co-relation 179179. Up to 59346 conditions per place.
[2024-11-19 14:00:36,122 INFO L140 encePairwiseOnDemand]: 118/123 looper letters, 134 selfloop transitions, 6 changer transitions 0/191 dead transitions.
[2024-11-19 14:00:36,122 INFO L145 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 124 places, 191 transitions, 834 flow
[2024-11-19 14:00:36,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states.
[2024-11-19 14:00:36,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states.
[2024-11-19 14:00:36,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 322 transitions.
[2024-11-19 14:00:36,124 INFO L512 CegarLoopForPetriNet]: DFA transition density 0.6544715447154471
[2024-11-19 14:00:36,124 INFO L175 Difference]: Start difference. First operand has 122 places, 111 transitions, 324 flow. Second operand 4 states and 322 transitions.
[2024-11-19 14:00:36,124 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 124 places, 191 transitions, 834 flow
[2024-11-19 14:00:36,178 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 119 places, 191 transitions, 818 flow, removed 3 selfloop flow, removed 5 redundant places.
[2024-11-19 14:00:36,180 INFO L231 Difference]: Finished difference. Result has 120 places, 111 transitions, 324 flow
[2024-11-19 14:00:36,180 INFO L260 CegarLoopForPetriNet]: {PETRI_ALPHABET=123, PETRI_DIFFERENCE_MINUEND_FLOW=304, PETRI_DIFFERENCE_MINUEND_PLACES=116, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=110, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=5, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=104, PETRI_DIFFERENCE_SUBTRAHEND_STATES=4, PETRI_FLOW=324, PETRI_PLACES=120, PETRI_TRANSITIONS=111}
[2024-11-19 14:00:36,181 INFO L277 CegarLoopForPetriNet]: 107 programPoint places, 13 predicate places.
[2024-11-19 14:00:36,181 INFO L471 AbstractCegarLoop]: Abstraction has has 120 places, 111 transitions, 324 flow
[2024-11-19 14:00:36,181 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 53.25) internal successors, (213), 4 states have internal predecessors, (213), 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)
[2024-11-19 14:00:36,181 INFO L196 CegarLoopForPetriNet]: Found error trace
[2024-11-19 14:00:36,181 INFO L204 CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2024-11-19 14:00:36,181 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10
[2024-11-19 14:00:36,182 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 18 more)] ===
[2024-11-19 14:00:36,182 INFO L157 PredicateUnifier]: Initialized classic predicate unifier
[2024-11-19 14:00:36,182 INFO L85 PathProgramCache]: Analyzing trace with hash 928754234, now seen corresponding path program 1 times
[2024-11-19 14:00:36,182 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-19 14:00:36,182 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054709765]
[2024-11-19 14:00:36,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-19 14:00:36,183 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-19 14:00:36,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-19 14:00:36,267 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked.
[2024-11-19 14:00:36,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-19 14:00:36,267 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054709765]
[2024-11-19 14:00:36,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054709765] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-19 14:00:36,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-19 14:00:36,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-19 14:00:36,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466331487]
[2024-11-19 14:00:36,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-19 14:00:36,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2024-11-19 14:00:36,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-19 14:00:36,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2024-11-19 14:00:36,269 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12
[2024-11-19 14:00:36,272 INFO L467 CegarLoopForPetriNet]: Number of universal loopers: 52 out of 123
[2024-11-19 14:00:36,272 INFO L103 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 120 places, 111 transitions, 324 flow. Second operand has 4 states, 4 states have (on average 54.25) internal successors, (217), 4 states have internal predecessors, (217), 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)
[2024-11-19 14:00:36,272 INFO L112 encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-19 14:00:36,272 INFO L113 encePairwiseOnDemand]: Number of universal subtrahend loopers: 52 of 123
[2024-11-19 14:00:36,273 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand