./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/goblint-regression/28-race_reach_86-lists_racing.i --full-output --architecture 32bit


--------------------------------------------------------------------------------


Checking for ERROR reachability
Using default analysis
Version 8be7027f
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_86-lists_racing.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) )

 --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4e7050d36e2131966739d0040816e49ede1f1e8b3b668f65d41876950193b1d8
--- Real Ultimate output ---
This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m
[2024-11-12 08:17:06,748 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2024-11-12 08:17:06,840 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf
[2024-11-12 08:17:06,846 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2024-11-12 08:17:06,846 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.core.Log level for class
[2024-11-12 08:17:06,883 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2024-11-12 08:17:06,884 INFO  L151        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2024-11-12 08:17:06,884 INFO  L153        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2024-11-12 08:17:06,885 INFO  L151        SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults:
[2024-11-12 08:17:06,885 INFO  L153        SettingsManager]:  * Use memory slicer=true
[2024-11-12 08:17:06,885 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2024-11-12 08:17:06,886 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2024-11-12 08:17:06,886 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2024-11-12 08:17:06,887 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2024-11-12 08:17:06,887 INFO  L153        SettingsManager]:  * Use SBE=true
[2024-11-12 08:17:06,887 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2024-11-12 08:17:06,888 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2024-11-12 08:17:06,889 INFO  L153        SettingsManager]:  * sizeof long=4
[2024-11-12 08:17:06,889 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2024-11-12 08:17:06,889 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2024-11-12 08:17:06,890 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2024-11-12 08:17:06,893 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2024-11-12 08:17:06,894 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2024-11-12 08:17:06,894 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2024-11-12 08:17:06,894 INFO  L153        SettingsManager]:  * Allow undefined functions=false
[2024-11-12 08:17:06,894 INFO  L153        SettingsManager]:  * sizeof long double=12
[2024-11-12 08:17:06,895 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2024-11-12 08:17:06,895 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2024-11-12 08:17:06,895 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2024-11-12 08:17:06,896 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2024-11-12 08:17:06,896 INFO  L153        SettingsManager]:  * Only consider context switches at boundaries of atomic blocks=true
[2024-11-12 08:17:06,896 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2024-11-12 08:17:06,896 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-12 08:17:06,897 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2024-11-12 08:17:06,897 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2024-11-12 08:17:06,901 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopHeads
[2024-11-12 08:17:06,902 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2024-11-12 08:17:06,902 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2024-11-12 08:17:06,903 INFO  L153        SettingsManager]:  * Apply one-shot large block encoding in concurrent analysis=false
[2024-11-12 08:17:06,904 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2024-11-12 08:17:06,904 INFO  L153        SettingsManager]:  * Order on configurations for Petri net unfoldings=DBO
[2024-11-12 08:17:06,904 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2024-11-12 08:17:06,905 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 ! call(reach_error())) )


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 -> 4e7050d36e2131966739d0040816e49ede1f1e8b3b668f65d41876950193b1d8
[2024-11-12 08:17:07,185 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2024-11-12 08:17:07,219 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2024-11-12 08:17:07,225 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2024-11-12 08:17:07,226 INFO  L270        PluginConnector]: Initializing CDTParser...
[2024-11-12 08:17:07,226 INFO  L274        PluginConnector]: CDTParser initialized
[2024-11-12 08:17:07,227 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/goblint-regression/28-race_reach_86-lists_racing.i
[2024-11-12 08:17:08,825 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2024-11-12 08:17:09,105 INFO  L384              CDTParser]: Found 1 translation units.
[2024-11-12 08:17:09,106 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_86-lists_racing.i
[2024-11-12 08:17:09,128 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8818c05d0/cebbecc1423f46e3a716899131825c2f/FLAG1de35d1b1
[2024-11-12 08:17:09,149 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8818c05d0/cebbecc1423f46e3a716899131825c2f
[2024-11-12 08:17:09,152 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2024-11-12 08:17:09,153 INFO  L133        ToolchainWalker]: Walking toolchain with 6 elements.
[2024-11-12 08:17:09,155 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2024-11-12 08:17:09,155 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2024-11-12 08:17:09,161 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2024-11-12 08:17:09,162 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:17:09" (1/1) ...
[2024-11-12 08:17:09,165 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39d05564 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:17:09, skipping insertion in model container
[2024-11-12 08:17:09,165 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 08:17:09" (1/1) ...
[2024-11-12 08:17:09,219 INFO  L175         MainTranslator]: Built tables and reachable declarations
[2024-11-12 08:17:09,641 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_86-lists_racing.i[47038,47051]
[2024-11-12 08:17:09,687 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-12 08:17:09,987 INFO  L200         MainTranslator]: Completed pre-run
[2024-11-12 08:17:10,078 WARN  L250   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/goblint-regression/28-race_reach_86-lists_racing.i[47038,47051]
[2024-11-12 08:17:10,100 INFO  L210          PostProcessor]: Analyzing one entry point: main
[2024-11-12 08:17:10,221 INFO  L204         MainTranslator]: Completed translation
[2024-11-12 08:17:10,221 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:17:10 WrapperNode
[2024-11-12 08:17:10,222 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2024-11-12 08:17:10,223 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2024-11-12 08:17:10,223 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2024-11-12 08:17:10,223 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2024-11-12 08:17:10,230 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:17:10" (1/1) ...
[2024-11-12 08:17:10,281 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:17:10" (1/1) ...
[2024-11-12 08:17:10,383 INFO  L138                Inliner]: procedures = 280, calls = 1605, calls flagged for inlining = 10, calls inlined = 10, statements flattened = 1794
[2024-11-12 08:17:10,384 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2024-11-12 08:17:10,385 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2024-11-12 08:17:10,385 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2024-11-12 08:17:10,438 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2024-11-12 08:17:10,459 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:17:10" (1/1) ...
[2024-11-12 08:17:10,460 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:17:10" (1/1) ...
[2024-11-12 08:17:10,509 INFO  L184        PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:17:10" (1/1) ...
[2024-11-12 08:17:10,579 INFO  L175           MemorySlicer]: Split 1569 memory accesses to 8 slices as follows [2, 5, 259, 5, 1280, 2, 14, 2]. 82 percent of accesses are in the largest equivalence class. The 1548 initializations are split as follows [2, 5, 256, 5, 1280, 0, 0, 0]. The 11 writes are split as follows [0, 0, 1, 0, 0, 1, 8, 1].
[2024-11-12 08:17:10,580 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:17:10" (1/1) ...
[2024-11-12 08:17:10,581 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:17:10" (1/1) ...
[2024-11-12 08:17:10,640 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:17:10" (1/1) ...
[2024-11-12 08:17:10,649 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:17:10" (1/1) ...
[2024-11-12 08:17:10,664 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:17:10" (1/1) ...
[2024-11-12 08:17:10,678 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:17:10" (1/1) ...
[2024-11-12 08:17:10,695 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2024-11-12 08:17:10,697 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2024-11-12 08:17:10,697 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2024-11-12 08:17:10,698 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2024-11-12 08:17:10,703 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:17:10" (1/1) ...
[2024-11-12 08:17:10,708 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000
[2024-11-12 08:17:10,721 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-12 08:17:10,746 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)
[2024-11-12 08:17:10,750 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
[2024-11-12 08:17:10,799 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2024-11-12 08:17:10,799 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#0
[2024-11-12 08:17:10,801 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#1
[2024-11-12 08:17:10,801 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#2
[2024-11-12 08:17:10,801 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#3
[2024-11-12 08:17:10,802 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#4
[2024-11-12 08:17:10,802 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#5
[2024-11-12 08:17:10,802 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#6
[2024-11-12 08:17:10,803 INFO  L130     BoogieDeclarations]: Found specification of procedure read~$Pointer$#7
[2024-11-12 08:17:10,804 INFO  L130     BoogieDeclarations]: Found specification of procedure t1_fun
[2024-11-12 08:17:10,804 INFO  L138     BoogieDeclarations]: Found implementation of procedure t1_fun
[2024-11-12 08:17:10,804 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2024-11-12 08:17:10,804 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#0
[2024-11-12 08:17:10,804 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#1
[2024-11-12 08:17:10,804 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#2
[2024-11-12 08:17:10,805 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#3
[2024-11-12 08:17:10,805 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#4
[2024-11-12 08:17:10,805 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#5
[2024-11-12 08:17:10,805 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#6
[2024-11-12 08:17:10,805 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~$Pointer$#7
[2024-11-12 08:17:10,805 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexUnlock
[2024-11-12 08:17:10,805 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#0
[2024-11-12 08:17:10,805 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#1
[2024-11-12 08:17:10,806 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#2
[2024-11-12 08:17:10,806 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#3
[2024-11-12 08:17:10,806 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#4
[2024-11-12 08:17:10,806 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#5
[2024-11-12 08:17:10,806 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#6
[2024-11-12 08:17:10,806 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int#7
[2024-11-12 08:17:10,806 INFO  L130     BoogieDeclarations]: Found specification of procedure t2_fun
[2024-11-12 08:17:10,806 INFO  L138     BoogieDeclarations]: Found implementation of procedure t2_fun
[2024-11-12 08:17:10,806 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#0
[2024-11-12 08:17:10,807 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#1
[2024-11-12 08:17:10,807 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#2
[2024-11-12 08:17:10,807 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#3
[2024-11-12 08:17:10,807 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#4
[2024-11-12 08:17:10,807 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#5
[2024-11-12 08:17:10,809 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#6
[2024-11-12 08:17:10,809 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int#7
[2024-11-12 08:17:10,809 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2024-11-12 08:17:10,809 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2024-11-12 08:17:10,809 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2024-11-12 08:17:10,809 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#0
[2024-11-12 08:17:10,810 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#1
[2024-11-12 08:17:10,810 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#2
[2024-11-12 08:17:10,810 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#3
[2024-11-12 08:17:10,810 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#4
[2024-11-12 08:17:10,810 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#5
[2024-11-12 08:17:10,810 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#6
[2024-11-12 08:17:10,811 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$#7
[2024-11-12 08:17:10,811 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#0
[2024-11-12 08:17:10,811 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#1
[2024-11-12 08:17:10,811 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#2
[2024-11-12 08:17:10,811 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#3
[2024-11-12 08:17:10,811 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#4
[2024-11-12 08:17:10,811 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#5
[2024-11-12 08:17:10,812 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#6
[2024-11-12 08:17:10,812 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int#7
[2024-11-12 08:17:10,812 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2024-11-12 08:17:10,812 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2024-11-12 08:17:10,815 WARN  L207             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement.
[2024-11-12 08:17:11,020 INFO  L238             CfgBuilder]: Building ICFG
[2024-11-12 08:17:11,022 INFO  L264             CfgBuilder]: Building CFG for each procedure with an implementation
[2024-11-12 08:17:12,888 INFO  L283             CfgBuilder]: Omitted future-live optimization because the input is a concurrent program.
[2024-11-12 08:17:12,889 INFO  L287             CfgBuilder]: Performing block encoding
[2024-11-12 08:17:55,129 INFO  L311             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2024-11-12 08:17:55,130 INFO  L316             CfgBuilder]: Removed 16 assume(true) statements.
[2024-11-12 08:17:55,130 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:17:55 BoogieIcfgContainer
[2024-11-12 08:17:55,130 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2024-11-12 08:17:55,132 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2024-11-12 08:17:55,132 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2024-11-12 08:17:55,138 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2024-11-12 08:17:55,138 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 08:17:09" (1/3) ...
[2024-11-12 08:17:55,139 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300b5e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:17:55, skipping insertion in model container
[2024-11-12 08:17:55,139 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 08:17:10" (2/3) ...
[2024-11-12 08:17:55,139 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@300b5e7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 08:17:55, skipping insertion in model container
[2024-11-12 08:17:55,139 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 08:17:55" (3/3) ...
[2024-11-12 08:17:55,142 INFO  L112   eAbstractionObserver]: Analyzing ICFG 28-race_reach_86-lists_racing.i
[2024-11-12 08:17:55,160 INFO  L214   ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2024-11-12 08:17:55,160 INFO  L154   ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations.
[2024-11-12 08:17:55,160 INFO  L489   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2024-11-12 08:17:55,268 INFO  L143    ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions.
[2024-11-12 08:17:55,315 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 63 places, 77 transitions, 174 flow
[2024-11-12 08:17:55,461 INFO  L124   PetriNetUnfolderBase]: 37/157 cut-off events.
[2024-11-12 08:17:55,461 INFO  L125   PetriNetUnfolderBase]: For 8/8 co-relation queries the response was YES.
[2024-11-12 08:17:55,465 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 174 conditions, 157 events. 37/157 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 560 event pairs, 0 based on Foata normal form. 0/112 useless extension candidates. Maximal degree in co-relation 80. Up to 8 conditions per place. 
[2024-11-12 08:17:55,466 INFO  L82        GeneralOperation]: Start removeDead. Operand has 63 places, 77 transitions, 174 flow
[2024-11-12 08:17:55,471 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 63 places, 75 transitions, 164 flow
[2024-11-12 08:17:55,482 INFO  L332      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2024-11-12 08:17:55,490 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;@561e6a5f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms]
[2024-11-12 08:17:55,490 INFO  L334      AbstractCegarLoop]: Starting to check reachability of 4 error locations.
[2024-11-12 08:17:55,560 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2024-11-12 08:17:55,560 INFO  L124   PetriNetUnfolderBase]: 1/20 cut-off events.
[2024-11-12 08:17:55,560 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2024-11-12 08:17:55,560 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-12 08:17:55,561 INFO  L206   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1]
[2024-11-12 08:17:55,562 INFO  L396      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-12 08:17:55,568 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 08:17:55,568 INFO  L85        PathProgramCache]: Analyzing trace with hash -183646525, now seen corresponding path program 1 times
[2024-11-12 08:17:55,578 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 08:17:55,578 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798888638]
[2024-11-12 08:17:55,578 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 08:17:55,579 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 08:17:56,399 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 08:17:56,969 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 08:17:56,970 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 08:17:56,970 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798888638]
[2024-11-12 08:17:56,971 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798888638] provided 1 perfect and 0 imperfect interpolant sequences
[2024-11-12 08:17:56,971 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2024-11-12 08:17:56,971 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2024-11-12 08:17:56,973 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224553256]
[2024-11-12 08:17:56,974 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2024-11-12 08:17:56,982 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2024-11-12 08:17:56,988 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 08:17:57,020 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2024-11-12 08:17:57,021 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2024-11-12 08:17:57,023 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 15 out of 77
[2024-11-12 08:17:57,025 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 63 places, 75 transitions, 164 flow. Second operand  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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)
[2024-11-12 08:17:57,026 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-12 08:17:57,026 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 77
[2024-11-12 08:17:57,027 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-12 08:17:57,764 INFO  L124   PetriNetUnfolderBase]: 2345/4509 cut-off events.
[2024-11-12 08:17:57,764 INFO  L125   PetriNetUnfolderBase]: For 135/135 co-relation queries the response was YES.
[2024-11-12 08:17:57,779 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 8331 conditions, 4509 events. 2345/4509 cut-off events. For 135/135 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 27466 event pairs, 2178 based on Foata normal form. 406/4207 useless extension candidates. Maximal degree in co-relation 7099. Up to 3752 conditions per place. 
[2024-11-12 08:17:57,800 INFO  L140   encePairwiseOnDemand]: 62/77 looper letters, 47 selfloop transitions, 2 changer transitions 0/64 dead transitions.
[2024-11-12 08:17:57,801 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 65 places, 64 transitions, 240 flow
[2024-11-12 08:17:57,802 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2024-11-12 08:17:57,805 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2024-11-12 08:17:57,811 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 107 transitions.
[2024-11-12 08:17:57,813 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.46320346320346323
[2024-11-12 08:17:57,814 INFO  L175             Difference]: Start difference. First operand has 63 places, 75 transitions, 164 flow. Second operand 3 states and 107 transitions.
[2024-11-12 08:17:57,815 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 65 places, 64 transitions, 240 flow
[2024-11-12 08:17:57,819 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 65 places, 64 transitions, 240 flow, removed 0 selfloop flow, removed 0 redundant places.
[2024-11-12 08:17:57,823 INFO  L231             Difference]: Finished difference. Result has 66 places, 64 transitions, 152 flow
[2024-11-12 08:17:57,825 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=140, PETRI_DIFFERENCE_MINUEND_PLACES=63, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=63, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=152, PETRI_PLACES=66, PETRI_TRANSITIONS=64}
[2024-11-12 08:17:57,829 INFO  L279   CegarLoopForPetriNet]: 63 programPoint places, 3 predicate places.
[2024-11-12 08:17:57,829 INFO  L471      AbstractCegarLoop]: Abstraction has has 66 places, 64 transitions, 152 flow
[2024-11-12 08:17:57,830 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 16.666666666666668) internal successors, (50), 3 states have internal predecessors, (50), 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)
[2024-11-12 08:17:57,830 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-12 08:17:57,830 INFO  L206   CegarLoopForPetriNet]: trace histogram [2, 1, 1, 1, 1, 1, 1]
[2024-11-12 08:17:57,830 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2024-11-12 08:17:57,830 INFO  L396      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-12 08:17:57,831 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 08:17:57,831 INFO  L85        PathProgramCache]: Analyzing trace with hash -2118701245, now seen corresponding path program 1 times
[2024-11-12 08:17:57,831 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 08:17:57,831 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [94836292]
[2024-11-12 08:17:57,831 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 08:17:57,832 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 08:17:57,953 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 08:17:58,367 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 08:17:58,368 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 08:17:58,368 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [94836292]
[2024-11-12 08:17:58,368 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [94836292] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-12 08:17:58,368 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1137530533]
[2024-11-12 08:17:58,369 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 08:17:58,369 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-12 08:17:58,369 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-12 08:17:58,371 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)
[2024-11-12 08:17:58,372 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process
[2024-11-12 08:17:59,105 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 08:17:59,127 INFO  L256         TraceCheckSpWp]: Trace formula consists of 3764 conjuncts, 3 conjuncts are in the unsatisfiable core
[2024-11-12 08:17:59,135 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-12 08:17:59,163 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 08:17:59,164 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-12 08:17:59,181 INFO  L134       CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 08:17:59,182 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1137530533] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-12 08:17:59,182 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-12 08:17:59,182 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6
[2024-11-12 08:17:59,183 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1733269045]
[2024-11-12 08:17:59,184 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-12 08:17:59,184 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 7 states
[2024-11-12 08:17:59,184 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 08:17:59,185 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants.
[2024-11-12 08:17:59,185 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42
[2024-11-12 08:17:59,186 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 15 out of 77
[2024-11-12 08:17:59,186 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 64 transitions, 152 flow. Second operand  has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 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)
[2024-11-12 08:17:59,186 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-12 08:17:59,187 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 77
[2024-11-12 08:17:59,187 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-12 08:18:00,110 INFO  L124   PetriNetUnfolderBase]: 2345/4512 cut-off events.
[2024-11-12 08:18:00,111 INFO  L125   PetriNetUnfolderBase]: For 135/135 co-relation queries the response was YES.
[2024-11-12 08:18:00,120 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 8347 conditions, 4512 events. 2345/4512 cut-off events. For 135/135 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 27467 event pairs, 2178 based on Foata normal form. 0/3804 useless extension candidates. Maximal degree in co-relation 8334. Up to 3752 conditions per place. 
[2024-11-12 08:18:00,135 INFO  L140   encePairwiseOnDemand]: 74/77 looper letters, 47 selfloop transitions, 5 changer transitions 0/67 dead transitions.
[2024-11-12 08:18:00,136 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 71 places, 67 transitions, 268 flow
[2024-11-12 08:18:00,136 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. 
[2024-11-12 08:18:00,136 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 6 states.
[2024-11-12 08:18:00,137 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 145 transitions.
[2024-11-12 08:18:00,138 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.31385281385281383
[2024-11-12 08:18:00,138 INFO  L175             Difference]: Start difference. First operand has 66 places, 64 transitions, 152 flow. Second operand 6 states and 145 transitions.
[2024-11-12 08:18:00,138 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 71 places, 67 transitions, 268 flow
[2024-11-12 08:18:00,140 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 70 places, 67 transitions, 264 flow, removed 1 selfloop flow, removed 1 redundant places.
[2024-11-12 08:18:00,141 INFO  L231             Difference]: Finished difference. Result has 73 places, 67 transitions, 184 flow
[2024-11-12 08:18:00,142 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=148, PETRI_DIFFERENCE_MINUEND_PLACES=65, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=64, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=3, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=6, PETRI_FLOW=184, PETRI_PLACES=73, PETRI_TRANSITIONS=67}
[2024-11-12 08:18:00,142 INFO  L279   CegarLoopForPetriNet]: 63 programPoint places, 10 predicate places.
[2024-11-12 08:18:00,143 INFO  L471      AbstractCegarLoop]: Abstraction has has 73 places, 67 transitions, 184 flow
[2024-11-12 08:18:00,143 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 7 states, 7 states have (on average 16.571428571428573) internal successors, (116), 7 states have internal predecessors, (116), 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)
[2024-11-12 08:18:00,143 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-12 08:18:00,143 INFO  L206   CegarLoopForPetriNet]: trace histogram [4, 2, 1, 1, 1, 1, 1]
[2024-11-12 08:18:00,170 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0
[2024-11-12 08:18:00,347 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-12 08:18:00,348 INFO  L396      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-12 08:18:00,348 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 08:18:00,348 INFO  L85        PathProgramCache]: Analyzing trace with hash -2006718781, now seen corresponding path program 2 times
[2024-11-12 08:18:00,349 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 08:18:00,349 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [822241527]
[2024-11-12 08:18:00,349 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 08:18:00,349 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 08:18:00,485 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 08:18:01,015 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 08:18:01,015 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 08:18:01,016 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [822241527]
[2024-11-12 08:18:01,016 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [822241527] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-12 08:18:01,016 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616160556]
[2024-11-12 08:18:01,016 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1
[2024-11-12 08:18:01,016 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-12 08:18:01,016 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-12 08:18:01,019 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)
[2024-11-12 08:18:01,022 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process
[2024-11-12 08:18:01,715 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s)
[2024-11-12 08:18:01,715 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-12 08:18:01,728 INFO  L256         TraceCheckSpWp]: Trace formula consists of 3917 conjuncts, 6 conjuncts are in the unsatisfiable core
[2024-11-12 08:18:01,732 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-12 08:18:01,749 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 08:18:01,749 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-12 08:18:01,805 INFO  L134       CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 08:18:01,805 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616160556] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-12 08:18:01,805 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-12 08:18:01,806 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12
[2024-11-12 08:18:01,806 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951008587]
[2024-11-12 08:18:01,806 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-12 08:18:01,806 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 13 states
[2024-11-12 08:18:01,807 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 08:18:01,807 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants.
[2024-11-12 08:18:01,807 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156
[2024-11-12 08:18:01,808 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 15 out of 77
[2024-11-12 08:18:01,808 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 73 places, 67 transitions, 184 flow. Second operand  has 13 states, 13 states have (on average 16.307692307692307) internal successors, (212), 13 states have internal predecessors, (212), 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)
[2024-11-12 08:18:01,808 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-12 08:18:01,808 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 77
[2024-11-12 08:18:01,809 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-12 08:18:02,605 INFO  L124   PetriNetUnfolderBase]: 2345/4518 cut-off events.
[2024-11-12 08:18:02,605 INFO  L125   PetriNetUnfolderBase]: For 155/155 co-relation queries the response was YES.
[2024-11-12 08:18:02,616 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 8384 conditions, 4518 events. 2345/4518 cut-off events. For 155/155 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 27479 event pairs, 2178 based on Foata normal form. 6/3817 useless extension candidates. Maximal degree in co-relation 8325. Up to 3752 conditions per place. 
[2024-11-12 08:18:02,631 INFO  L140   encePairwiseOnDemand]: 74/77 looper letters, 47 selfloop transitions, 11 changer transitions 0/73 dead transitions.
[2024-11-12 08:18:02,632 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 84 places, 73 transitions, 336 flow
[2024-11-12 08:18:02,632 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. 
[2024-11-12 08:18:02,632 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 12 states.
[2024-11-12 08:18:02,634 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 244 transitions.
[2024-11-12 08:18:02,635 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.26406926406926406
[2024-11-12 08:18:02,635 INFO  L175             Difference]: Start difference. First operand has 73 places, 67 transitions, 184 flow. Second operand 12 states and 244 transitions.
[2024-11-12 08:18:02,635 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 84 places, 73 transitions, 336 flow
[2024-11-12 08:18:02,637 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 83 places, 73 transitions, 322 flow, removed 6 selfloop flow, removed 1 redundant places.
[2024-11-12 08:18:02,640 INFO  L231             Difference]: Finished difference. Result has 89 places, 73 transitions, 254 flow
[2024-11-12 08:18:02,641 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=170, PETRI_DIFFERENCE_MINUEND_PLACES=72, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=67, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=6, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=12, PETRI_FLOW=254, PETRI_PLACES=89, PETRI_TRANSITIONS=73}
[2024-11-12 08:18:02,642 INFO  L279   CegarLoopForPetriNet]: 63 programPoint places, 26 predicate places.
[2024-11-12 08:18:02,642 INFO  L471      AbstractCegarLoop]: Abstraction has has 89 places, 73 transitions, 254 flow
[2024-11-12 08:18:02,642 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 13 states, 13 states have (on average 16.307692307692307) internal successors, (212), 13 states have internal predecessors, (212), 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)
[2024-11-12 08:18:02,642 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-12 08:18:02,642 INFO  L206   CegarLoopForPetriNet]: trace histogram [10, 2, 1, 1, 1, 1, 1]
[2024-11-12 08:18:02,668 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0
[2024-11-12 08:18:02,843 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,SelfDestructingSolverStorable2
[2024-11-12 08:18:02,844 INFO  L396      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-12 08:18:02,844 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 08:18:02,844 INFO  L85        PathProgramCache]: Analyzing trace with hash -1564010813, now seen corresponding path program 3 times
[2024-11-12 08:18:02,845 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 08:18:02,845 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476642545]
[2024-11-12 08:18:02,845 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 08:18:02,845 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 08:18:02,989 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 08:18:03,844 INFO  L134       CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 08:18:03,844 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 08:18:03,844 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [476642545]
[2024-11-12 08:18:03,845 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [476642545] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-12 08:18:03,845 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [574913392]
[2024-11-12 08:18:03,845 INFO  L95    rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2
[2024-11-12 08:18:03,845 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-12 08:18:03,845 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-12 08:18:03,848 INFO  L229       MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-12 08:18:03,854 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process
[2024-11-12 08:18:15,055 INFO  L229   tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s)
[2024-11-12 08:18:15,056 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-12 08:18:15,089 INFO  L256         TraceCheckSpWp]: Trace formula consists of 4223 conjuncts, 14 conjuncts are in the unsatisfiable core
[2024-11-12 08:18:15,092 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-12 08:18:15,118 INFO  L134       CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 08:18:15,118 INFO  L312         TraceCheckSpWp]: Computing backward predicates...
[2024-11-12 08:18:15,271 INFO  L134       CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 08:18:15,271 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleZ3 [574913392] provided 0 perfect and 2 imperfect interpolant sequences
[2024-11-12 08:18:15,272 INFO  L185   FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences.
[2024-11-12 08:18:15,272 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24
[2024-11-12 08:18:15,272 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [572962532]
[2024-11-12 08:18:15,272 INFO  L85    oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton
[2024-11-12 08:18:15,273 INFO  L548      AbstractCegarLoop]: INTERPOLANT automaton has 25 states
[2024-11-12 08:18:15,273 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2024-11-12 08:18:15,274 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants.
[2024-11-12 08:18:15,275 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600
[2024-11-12 08:18:15,276 INFO  L469   CegarLoopForPetriNet]: Number of universal loopers: 15 out of 77
[2024-11-12 08:18:15,278 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 89 places, 73 transitions, 254 flow. Second operand  has 25 states, 25 states have (on average 16.16) internal successors, (404), 25 states have internal predecessors, (404), 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)
[2024-11-12 08:18:15,278 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2024-11-12 08:18:15,278 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 15 of 77
[2024-11-12 08:18:15,278 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2024-11-12 08:18:15,916 INFO  L124   PetriNetUnfolderBase]: 2345/4530 cut-off events.
[2024-11-12 08:18:15,916 INFO  L125   PetriNetUnfolderBase]: For 598/598 co-relation queries the response was YES.
[2024-11-12 08:18:15,927 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 8468 conditions, 4530 events. 2345/4530 cut-off events. For 598/598 co-relation queries the response was YES. Maximal size of possible extension queue 133. Compared 27459 event pairs, 2178 based on Foata normal form. 12/3835 useless extension candidates. Maximal degree in co-relation 8331. Up to 3752 conditions per place. 
[2024-11-12 08:18:15,940 INFO  L140   encePairwiseOnDemand]: 74/77 looper letters, 47 selfloop transitions, 23 changer transitions 0/85 dead transitions.
[2024-11-12 08:18:15,941 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 112 places, 85 transitions, 490 flow
[2024-11-12 08:18:15,942 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. 
[2024-11-12 08:18:15,942 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 24 states.
[2024-11-12 08:18:15,943 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 442 transitions.
[2024-11-12 08:18:15,944 INFO  L514   CegarLoopForPetriNet]: DFA transition density 0.23917748917748918
[2024-11-12 08:18:15,944 INFO  L175             Difference]: Start difference. First operand has 89 places, 73 transitions, 254 flow. Second operand 24 states and 442 transitions.
[2024-11-12 08:18:15,944 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 112 places, 85 transitions, 490 flow
[2024-11-12 08:18:15,950 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 107 places, 85 transitions, 418 flow, removed 31 selfloop flow, removed 5 redundant places.
[2024-11-12 08:18:15,954 INFO  L231             Difference]: Finished difference. Result has 119 places, 85 transitions, 374 flow
[2024-11-12 08:18:15,954 INFO  L262   CegarLoopForPetriNet]: {PETRI_ALPHABET=77, PETRI_DIFFERENCE_MINUEND_FLOW=206, PETRI_DIFFERENCE_MINUEND_PLACES=84, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=73, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=12, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=61, PETRI_DIFFERENCE_SUBTRAHEND_STATES=24, PETRI_FLOW=374, PETRI_PLACES=119, PETRI_TRANSITIONS=85}
[2024-11-12 08:18:15,955 INFO  L279   CegarLoopForPetriNet]: 63 programPoint places, 56 predicate places.
[2024-11-12 08:18:15,956 INFO  L471      AbstractCegarLoop]: Abstraction has has 119 places, 85 transitions, 374 flow
[2024-11-12 08:18:15,956 INFO  L472      AbstractCegarLoop]: INTERPOLANT automaton has  has 25 states, 25 states have (on average 16.16) internal successors, (404), 25 states have internal predecessors, (404), 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)
[2024-11-12 08:18:15,956 INFO  L198   CegarLoopForPetriNet]: Found error trace
[2024-11-12 08:18:15,957 INFO  L206   CegarLoopForPetriNet]: trace histogram [22, 2, 1, 1, 1, 1, 1]
[2024-11-12 08:18:15,997 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0
[2024-11-12 08:18:16,157 WARN  L453      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-12 08:18:16,158 INFO  L396      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES === [t2_funErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (and 1 more)] ===
[2024-11-12 08:18:16,158 INFO  L157       PredicateUnifier]: Initialized classic predicate unifier
[2024-11-12 08:18:16,158 INFO  L85        PathProgramCache]: Analyzing trace with hash -2128513341, now seen corresponding path program 4 times
[2024-11-12 08:18:16,158 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2024-11-12 08:18:16,159 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1171547036]
[2024-11-12 08:18:16,159 INFO  L97    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2024-11-12 08:18:16,159 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2024-11-12 08:18:16,352 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2024-11-12 08:18:18,255 INFO  L134       CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 08:18:18,256 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2024-11-12 08:18:18,256 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1171547036]
[2024-11-12 08:18:18,256 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1171547036] provided 0 perfect and 1 imperfect interpolant sequences
[2024-11-12 08:18:18,256 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [431986379]
[2024-11-12 08:18:18,256 INFO  L95    rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST
[2024-11-12 08:18:18,257 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true
[2024-11-12 08:18:18,257 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2024-11-12 08:18:18,258 INFO  L229       MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null)
[2024-11-12 08:18:18,259 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process
[2024-11-12 08:18:19,017 INFO  L229   tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s)
[2024-11-12 08:18:19,017 INFO  L230   tOrderPrioritization]: Conjunction of SSA is unsat
[2024-11-12 08:18:19,032 INFO  L256         TraceCheckSpWp]: Trace formula consists of 4835 conjuncts, 24 conjuncts are in the unsatisfiable core
[2024-11-12 08:18:19,038 INFO  L279         TraceCheckSpWp]: Computing forward predicates...
[2024-11-12 08:18:19,093 INFO  L134       CoverageAnalysis]: Checked inductivity of 253 backedges. 0 proven. 253 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2024-11-12 08:18:19,093 INFO  L312         TraceCheckSpWp]: Computing backward predicates...