/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf --traceabstraction.order.of.the.error.locations.to.be.checked INSUFFICIENT_FIRST -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i


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


This is Ultimate 0.2.3-dev-ac9dbd0-m
[2023-08-24 05:38:26,031 INFO  L188        SettingsManager]: Resetting all preferences to default values...
[2023-08-24 05:38:26,066 INFO  L114        SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-PN-VariableLbe.epf
[2023-08-24 05:38:26,069 WARN  L101        SettingsManager]: Preference file contains the following unknown settings:
[2023-08-24 05:38:26,069 WARN  L103        SettingsManager]:   * de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.Checked method. Library mode if empty.
[2023-08-24 05:38:26,092 INFO  L130        SettingsManager]: Preferences different from defaults after loading the file:
[2023-08-24 05:38:26,092 INFO  L151        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2023-08-24 05:38:26,093 INFO  L153        SettingsManager]:  * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS
[2023-08-24 05:38:26,093 INFO  L151        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2023-08-24 05:38:26,093 INFO  L153        SettingsManager]:  * Create parallel compositions if possible=false
[2023-08-24 05:38:26,094 INFO  L153        SettingsManager]:  * Use SBE=true
[2023-08-24 05:38:26,094 INFO  L151        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2023-08-24 05:38:26,094 INFO  L153        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2023-08-24 05:38:26,094 INFO  L153        SettingsManager]:  * sizeof long=4
[2023-08-24 05:38:26,095 INFO  L153        SettingsManager]:  * Overapproximate operations on floating types=true
[2023-08-24 05:38:26,095 INFO  L153        SettingsManager]:  * sizeof POINTER=4
[2023-08-24 05:38:26,095 INFO  L153        SettingsManager]:  * Check division by zero=IGNORE
[2023-08-24 05:38:26,095 INFO  L153        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2023-08-24 05:38:26,096 INFO  L153        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2023-08-24 05:38:26,096 INFO  L153        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2023-08-24 05:38:26,096 INFO  L153        SettingsManager]:  * sizeof long double=12
[2023-08-24 05:38:26,101 INFO  L153        SettingsManager]:  * Check if freed pointer was valid=false
[2023-08-24 05:38:26,101 INFO  L153        SettingsManager]:  * Use constant arrays=true
[2023-08-24 05:38:26,101 INFO  L151        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2023-08-24 05:38:26,104 INFO  L153        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2023-08-24 05:38:26,104 INFO  L153        SettingsManager]:  * To the following directory=./dump/
[2023-08-24 05:38:26,104 INFO  L153        SettingsManager]:  * SMT solver=External_DefaultMode
[2023-08-24 05:38:26,104 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-08-24 05:38:26,104 INFO  L151        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2023-08-24 05:38:26,105 INFO  L153        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2023-08-24 05:38:26,105 INFO  L153        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2023-08-24 05:38:26,105 INFO  L153        SettingsManager]:  * Trace refinement strategy=CAMEL
[2023-08-24 05:38:26,105 INFO  L153        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2023-08-24 05:38:26,106 INFO  L153        SettingsManager]:  * Automaton type used in concurrency analysis=PETRI_NET
[2023-08-24 05:38:26,106 INFO  L153        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2023-08-24 05:38:26,106 INFO  L153        SettingsManager]:  * Independence relation used for large block encoding in concurrent analysis=SYNTACTIC
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Order of the error locations to be checked -> INSUFFICIENT_FIRST
[2023-08-24 05:38:26,367 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2023-08-24 05:38:26,389 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2023-08-24 05:38:26,391 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2023-08-24 05:38:26,392 INFO  L270        PluginConnector]: Initializing CDTParser...
[2023-08-24 05:38:26,392 INFO  L274        PluginConnector]: CDTParser initialized
[2023-08-24 05:38:26,393 INFO  L431   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i
[2023-08-24 05:38:27,358 INFO  L533              CDTParser]: Created temporary CDT project at NULL
[2023-08-24 05:38:27,578 INFO  L384              CDTParser]: Found 1 translation units.
[2023-08-24 05:38:27,579 INFO  L180              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i
[2023-08-24 05:38:27,598 INFO  L427              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ec56db9/a0215989b5ea44f98411aaf407edded0/FLAGaf6838359
[2023-08-24 05:38:27,609 INFO  L435              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/54ec56db9/a0215989b5ea44f98411aaf407edded0
[2023-08-24 05:38:27,613 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2023-08-24 05:38:27,615 INFO  L133        ToolchainWalker]: Walking toolchain with 5 elements.
[2023-08-24 05:38:27,617 INFO  L112        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2023-08-24 05:38:27,617 INFO  L270        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2023-08-24 05:38:27,619 INFO  L274        PluginConnector]: CACSL2BoogieTranslator initialized
[2023-08-24 05:38:27,620 INFO  L184        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.08 05:38:27" (1/1) ...
[2023-08-24 05:38:27,621 INFO  L204        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ea524a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 05:38:27, skipping insertion in model container
[2023-08-24 05:38:27,621 INFO  L184        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.08 05:38:27" (1/1) ...
[2023-08-24 05:38:27,664 INFO  L176         MainTranslator]: Built tables and reachable declarations
[2023-08-24 05:38:27,786 WARN  L635        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-08-24 05:38:28,208 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i[75009,75022]
[2023-08-24 05:38:28,238 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-08-24 05:38:28,248 INFO  L201         MainTranslator]: Completed pre-run
[2023-08-24 05:38:28,256 WARN  L635        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2023-08-24 05:38:28,267 WARN  L75    lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [251]
[2023-08-24 05:38:28,268 WARN  L75    lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: short [251]
[2023-08-24 05:38:28,275 WARN  L75    lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned short [735]
[2023-08-24 05:38:28,289 WARN  L240   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-3_2-container_of-global.i[75009,75022]
[2023-08-24 05:38:28,291 WARN  L75    lationResultReporter]: Unsoundness Warning: unspecified type, defaulting to int C: unsigned long [1691]
[2023-08-24 05:38:28,305 INFO  L209          PostProcessor]: Analyzing one entry point: main
[2023-08-24 05:38:28,377 WARN  L669               CHandler]: The function __VERIFIER_atomic_begin is called, but not defined or handled by StandardFunctionHandler.
[2023-08-24 05:38:28,377 WARN  L669               CHandler]: The function __VERIFIER_atomic_end is called, but not defined or handled by StandardFunctionHandler.
[2023-08-24 05:38:28,378 WARN  L669               CHandler]: The function __builtin_bswap16 is called, but not defined or handled by StandardFunctionHandler.
[2023-08-24 05:38:28,382 INFO  L206         MainTranslator]: Completed translation
[2023-08-24 05:38:28,384 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 05:38:28 WrapperNode
[2023-08-24 05:38:28,384 INFO  L131        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2023-08-24 05:38:28,385 INFO  L112        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2023-08-24 05:38:28,385 INFO  L270        PluginConnector]: Initializing Boogie Procedure Inliner...
[2023-08-24 05:38:28,385 INFO  L274        PluginConnector]: Boogie Procedure Inliner initialized
[2023-08-24 05:38:28,390 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 05:38:28" (1/1) ...
[2023-08-24 05:38:28,418 INFO  L184        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 05:38:28" (1/1) ...
[2023-08-24 05:38:28,451 INFO  L138                Inliner]: procedures = 468, calls = 52, calls flagged for inlining = 12, calls inlined = 12, statements flattened = 137
[2023-08-24 05:38:28,452 INFO  L131        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2023-08-24 05:38:28,452 INFO  L112        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2023-08-24 05:38:28,452 INFO  L270        PluginConnector]: Initializing Boogie Preprocessor...
[2023-08-24 05:38:28,452 INFO  L274        PluginConnector]: Boogie Preprocessor initialized
[2023-08-24 05:38:28,458 INFO  L184        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 05:38:28" (1/1) ...
[2023-08-24 05:38:28,458 INFO  L184        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 05:38:28" (1/1) ...
[2023-08-24 05:38:28,461 INFO  L184        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 05:38:28" (1/1) ...
[2023-08-24 05:38:28,461 INFO  L184        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 05:38:28" (1/1) ...
[2023-08-24 05:38:28,468 INFO  L184        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 05:38:28" (1/1) ...
[2023-08-24 05:38:28,469 INFO  L184        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 05:38:28" (1/1) ...
[2023-08-24 05:38:28,472 INFO  L184        PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 05:38:28" (1/1) ...
[2023-08-24 05:38:28,473 INFO  L184        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 05:38:28" (1/1) ...
[2023-08-24 05:38:28,476 INFO  L131        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2023-08-24 05:38:28,477 INFO  L112        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2023-08-24 05:38:28,477 INFO  L270        PluginConnector]: Initializing RCFGBuilder...
[2023-08-24 05:38:28,477 INFO  L274        PluginConnector]: RCFGBuilder initialized
[2023-08-24 05:38:28,477 INFO  L184        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 05:38:28" (1/1) ...
[2023-08-24 05:38:28,481 INFO  L173          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2023-08-24 05:38:28,489 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
[2023-08-24 05:38:28,498 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2023-08-24 05:38:28,506 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2023-08-24 05:38:28,528 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2023-08-24 05:38:28,528 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2023-08-24 05:38:28,528 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2023-08-24 05:38:28,528 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2023-08-24 05:38:28,528 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit
[2023-08-24 05:38:28,528 INFO  L130     BoogieDeclarations]: Found specification of procedure write~$Pointer$
[2023-08-24 05:38:28,528 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2023-08-24 05:38:28,528 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2023-08-24 05:38:28,529 INFO  L130     BoogieDeclarations]: Found specification of procedure my_callback
[2023-08-24 05:38:28,529 INFO  L138     BoogieDeclarations]: Found implementation of procedure my_callback
[2023-08-24 05:38:28,529 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2023-08-24 05:38:28,529 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2023-08-24 05:38:28,529 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2023-08-24 05:38:28,530 WARN  L210             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement
[2023-08-24 05:38:28,756 INFO  L236             CfgBuilder]: Building ICFG
[2023-08-24 05:38:28,757 INFO  L262             CfgBuilder]: Building CFG for each procedure with an implementation
[2023-08-24 05:38:28,948 INFO  L277             CfgBuilder]: Performing block encoding
[2023-08-24 05:38:28,961 INFO  L297             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2023-08-24 05:38:28,961 INFO  L302             CfgBuilder]: Removed 0 assume(true) statements.
[2023-08-24 05:38:28,963 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.08 05:38:28 BoogieIcfgContainer
[2023-08-24 05:38:28,963 INFO  L131        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2023-08-24 05:38:28,964 INFO  L112        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2023-08-24 05:38:28,964 INFO  L270        PluginConnector]: Initializing TraceAbstraction...
[2023-08-24 05:38:28,966 INFO  L274        PluginConnector]: TraceAbstraction initialized
[2023-08-24 05:38:28,967 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.08 05:38:27" (1/3) ...
[2023-08-24 05:38:28,967 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7042311c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.08 05:38:28, skipping insertion in model container
[2023-08-24 05:38:28,967 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.08 05:38:28" (2/3) ...
[2023-08-24 05:38:28,968 INFO  L204        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7042311c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.08 05:38:28, skipping insertion in model container
[2023-08-24 05:38:28,968 INFO  L184        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.08 05:38:28" (3/3) ...
[2023-08-24 05:38:28,969 INFO  L112   eAbstractionObserver]: Analyzing ICFG race-3_2-container_of-global.i
[2023-08-24 05:38:28,984 INFO  L203   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2023-08-24 05:38:28,984 INFO  L162   ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations.
[2023-08-24 05:38:28,984 INFO  L515   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2023-08-24 05:38:29,035 INFO  L144    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2023-08-24 05:38:29,059 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 168 places, 170 transitions, 356 flow
[2023-08-24 05:38:29,103 INFO  L124   PetriNetUnfolderBase]: 10/210 cut-off events.
[2023-08-24 05:38:29,103 INFO  L125   PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2023-08-24 05:38:29,107 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 219 conditions, 210 events. 10/210 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 330 event pairs, 0 based on Foata normal form. 0/190 useless extension candidates. Maximal degree in co-relation 124. Up to 4 conditions per place. 
[2023-08-24 05:38:29,107 INFO  L82        GeneralOperation]: Start removeDead. Operand has 168 places, 170 transitions, 356 flow
[2023-08-24 05:38:29,110 INFO  L88        GeneralOperation]: Finished RemoveDead, result has has 156 places, 156 transitions, 324 flow
[2023-08-24 05:38:29,112 INFO  L124   etLargeBlockEncoding]: Petri net LBE is using variable-based independence relation.
[2023-08-24 05:38:29,118 INFO  L131   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 156 places, 156 transitions, 324 flow
[2023-08-24 05:38:29,120 INFO  L113        LiptonReduction]: Starting Lipton reduction on Petri net that has 156 places, 156 transitions, 324 flow
[2023-08-24 05:38:29,120 INFO  L73            FinitePrefix]: Start finitePrefix. Operand has 156 places, 156 transitions, 324 flow
[2023-08-24 05:38:29,155 INFO  L124   PetriNetUnfolderBase]: 7/187 cut-off events.
[2023-08-24 05:38:29,155 INFO  L125   PetriNetUnfolderBase]: For 2/2 co-relation queries the response was YES.
[2023-08-24 05:38:29,156 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 196 conditions, 187 events. 7/187 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 270 event pairs, 0 based on Foata normal form. 0/172 useless extension candidates. Maximal degree in co-relation 112. Up to 4 conditions per place. 
[2023-08-24 05:38:29,159 INFO  L119        LiptonReduction]: Number of co-enabled transitions 1780
[2023-08-24 05:38:38,827 INFO  L134        LiptonReduction]: Checked pairs total: 3012
[2023-08-24 05:38:38,827 INFO  L136        LiptonReduction]: Total number of compositions: 169
[2023-08-24 05:38:38,836 INFO  L356      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2023-08-24 05:38:38,840 INFO  L357      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, mHoare=false, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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;@6905d19a, mLbeIndependenceSettings=[IndependenceType=SYNTACTIC, AbstractionType=NONE, UseConditional=<UNSUPPORTED>, UseSemiCommutativity=<UNSUPPORTED>, Solver=<NOT_USED>, SolverTimeout=<NOT_USED>]
[2023-08-24 05:38:38,840 INFO  L358      AbstractCegarLoop]: Starting to check reachability of 8 error locations.
[2023-08-24 05:38:38,842 INFO  L185   PetriNetUnfolderBase]: Found word, exiting Unfolder.
[2023-08-24 05:38:38,842 INFO  L124   PetriNetUnfolderBase]: 0/1 cut-off events.
[2023-08-24 05:38:38,842 INFO  L125   PetriNetUnfolderBase]: For 0/0 co-relation queries the response was YES.
[2023-08-24 05:38:38,842 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2023-08-24 05:38:38,842 INFO  L208   CegarLoopForPetriNet]: trace histogram [1]
[2023-08-24 05:38:38,843 INFO  L420      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] ===
[2023-08-24 05:38:38,846 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-08-24 05:38:38,846 INFO  L85        PathProgramCache]: Analyzing trace with hash 596, now seen corresponding path program 1 times
[2023-08-24 05:38:38,851 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-24 05:38:38,852 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [62820090]
[2023-08-24 05:38:38,852 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-24 05:38:38,852 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-24 05:38:38,953 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-24 05:38:38,983 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-24 05:38:38,983 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-24 05:38:38,983 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [62820090]
[2023-08-24 05:38:38,984 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [62820090] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-24 05:38:38,984 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-24 05:38:38,984 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0
[2023-08-24 05:38:38,985 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704930654]
[2023-08-24 05:38:38,985 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-24 05:38:38,990 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 2 states
[2023-08-24 05:38:38,993 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-24 05:38:39,005 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants.
[2023-08-24 05:38:39,005 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2
[2023-08-24 05:38:39,007 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 152 out of 339
[2023-08-24 05:38:39,008 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 28 transitions, 68 flow. Second operand  has 2 states, 2 states have (on average 152.5) internal successors, (305), 2 states have internal predecessors, (305), 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)
[2023-08-24 05:38:39,008 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-24 05:38:39,008 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 152 of 339
[2023-08-24 05:38:39,009 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-24 05:38:39,100 INFO  L124   PetriNetUnfolderBase]: 169/316 cut-off events.
[2023-08-24 05:38:39,100 INFO  L125   PetriNetUnfolderBase]: For 13/13 co-relation queries the response was YES.
[2023-08-24 05:38:39,101 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 646 conditions, 316 events. 169/316 cut-off events. For 13/13 co-relation queries the response was YES. Maximal size of possible extension queue 27. Compared 1211 event pairs, 168 based on Foata normal form. 0/279 useless extension candidates. Maximal degree in co-relation 568. Up to 312 conditions per place. 
[2023-08-24 05:38:39,104 INFO  L140   encePairwiseOnDemand]: 336/339 looper letters, 24 selfloop transitions, 0 changer transitions 0/25 dead transitions.
[2023-08-24 05:38:39,104 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 31 places, 25 transitions, 110 flow
[2023-08-24 05:38:39,105 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. 
[2023-08-24 05:38:39,107 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 2 states.
[2023-08-24 05:38:39,116 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 331 transitions.
[2023-08-24 05:38:39,119 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.4882005899705015
[2023-08-24 05:38:39,120 INFO  L72            ComplementDD]: Start complementDD. Operand 2 states and 331 transitions.
[2023-08-24 05:38:39,120 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 2 states and 331 transitions.
[2023-08-24 05:38:39,122 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-24 05:38:39,124 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 2 states and 331 transitions.
[2023-08-24 05:38:39,128 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 3 states, 2 states have (on average 165.5) internal successors, (331), 2 states have internal predecessors, (331), 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)
[2023-08-24 05:38:39,131 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 3 states, 3 states have (on average 339.0) internal successors, (1017), 3 states have internal predecessors, (1017), 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)
[2023-08-24 05:38:39,131 INFO  L81            ComplementDD]: Finished complementDD. Result  has 3 states, 3 states have (on average 339.0) internal successors, (1017), 3 states have internal predecessors, (1017), 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)
[2023-08-24 05:38:39,133 INFO  L175             Difference]: Start difference. First operand has 32 places, 28 transitions, 68 flow. Second operand 2 states and 331 transitions.
[2023-08-24 05:38:39,133 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 31 places, 25 transitions, 110 flow
[2023-08-24 05:38:39,135 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 27 places, 25 transitions, 102 flow, removed 0 selfloop flow, removed 4 redundant places.
[2023-08-24 05:38:39,136 INFO  L231             Difference]: Finished difference. Result has 27 places, 25 transitions, 54 flow
[2023-08-24 05:38:39,137 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=26, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=25, PETRI_DIFFERENCE_SUBTRAHEND_STATES=2, PETRI_FLOW=54, PETRI_PLACES=27, PETRI_TRANSITIONS=25}
[2023-08-24 05:38:39,144 INFO  L281   CegarLoopForPetriNet]: 32 programPoint places, -5 predicate places.
[2023-08-24 05:38:39,144 INFO  L495      AbstractCegarLoop]: Abstraction has has 27 places, 25 transitions, 54 flow
[2023-08-24 05:38:39,144 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 2 states, 2 states have (on average 152.5) internal successors, (305), 2 states have internal predecessors, (305), 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)
[2023-08-24 05:38:39,144 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2023-08-24 05:38:39,145 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1]
[2023-08-24 05:38:39,145 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2023-08-24 05:38:39,145 INFO  L420      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] ===
[2023-08-24 05:38:39,146 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-08-24 05:38:39,146 INFO  L85        PathProgramCache]: Analyzing trace with hash 18294559, now seen corresponding path program 1 times
[2023-08-24 05:38:39,146 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-24 05:38:39,146 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [154060541]
[2023-08-24 05:38:39,146 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-24 05:38:39,146 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-24 05:38:39,212 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-24 05:38:39,448 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-24 05:38:39,448 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-24 05:38:39,449 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [154060541]
[2023-08-24 05:38:39,449 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [154060541] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-24 05:38:39,449 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-24 05:38:39,449 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-08-24 05:38:39,449 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1986298603]
[2023-08-24 05:38:39,449 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-24 05:38:39,450 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-08-24 05:38:39,451 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-24 05:38:39,451 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-08-24 05:38:39,451 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-08-24 05:38:39,453 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 121 out of 339
[2023-08-24 05:38:39,453 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 27 places, 25 transitions, 54 flow. Second operand  has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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)
[2023-08-24 05:38:39,453 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-24 05:38:39,453 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 339
[2023-08-24 05:38:39,454 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-24 05:38:39,573 INFO  L124   PetriNetUnfolderBase]: 264/481 cut-off events.
[2023-08-24 05:38:39,574 INFO  L125   PetriNetUnfolderBase]: For 3/3 co-relation queries the response was YES.
[2023-08-24 05:38:39,576 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 970 conditions, 481 events. 264/481 cut-off events. For 3/3 co-relation queries the response was YES. Maximal size of possible extension queue 40. Compared 2012 event pairs, 122 based on Foata normal form. 0/446 useless extension candidates. Maximal degree in co-relation 967. Up to 381 conditions per place. 
[2023-08-24 05:38:39,577 INFO  L140   encePairwiseOnDemand]: 332/339 looper letters, 28 selfloop transitions, 6 changer transitions 0/34 dead transitions.
[2023-08-24 05:38:39,577 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 29 places, 34 transitions, 140 flow
[2023-08-24 05:38:39,578 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-08-24 05:38:39,578 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-08-24 05:38:39,579 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 398 transitions.
[2023-08-24 05:38:39,579 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.3913470993117011
[2023-08-24 05:38:39,579 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 398 transitions.
[2023-08-24 05:38:39,580 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 398 transitions.
[2023-08-24 05:38:39,580 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-24 05:38:39,580 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 398 transitions.
[2023-08-24 05:38:39,581 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 132.66666666666666) internal successors, (398), 3 states have internal predecessors, (398), 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)
[2023-08-24 05:38:39,583 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 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)
[2023-08-24 05:38:39,584 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 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)
[2023-08-24 05:38:39,584 INFO  L175             Difference]: Start difference. First operand has 27 places, 25 transitions, 54 flow. Second operand 3 states and 398 transitions.
[2023-08-24 05:38:39,584 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 29 places, 34 transitions, 140 flow
[2023-08-24 05:38:39,585 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 29 places, 34 transitions, 140 flow, removed 0 selfloop flow, removed 0 redundant places.
[2023-08-24 05:38:39,586 INFO  L231             Difference]: Finished difference. Result has 30 places, 29 transitions, 90 flow
[2023-08-24 05:38:39,587 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=54, PETRI_DIFFERENCE_MINUEND_PLACES=27, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=25, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=2, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=19, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=90, PETRI_PLACES=30, PETRI_TRANSITIONS=29}
[2023-08-24 05:38:39,587 INFO  L281   CegarLoopForPetriNet]: 32 programPoint places, -2 predicate places.
[2023-08-24 05:38:39,587 INFO  L495      AbstractCegarLoop]: Abstraction has has 30 places, 29 transitions, 90 flow
[2023-08-24 05:38:39,588 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 122.33333333333333) internal successors, (367), 3 states have internal predecessors, (367), 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)
[2023-08-24 05:38:39,588 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2023-08-24 05:38:39,588 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1]
[2023-08-24 05:38:39,588 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1
[2023-08-24 05:38:39,588 INFO  L420      AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] ===
[2023-08-24 05:38:39,588 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-08-24 05:38:39,588 INFO  L85        PathProgramCache]: Analyzing trace with hash 567130676, now seen corresponding path program 1 times
[2023-08-24 05:38:39,588 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-24 05:38:39,589 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1345377909]
[2023-08-24 05:38:39,589 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-24 05:38:39,589 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-24 05:38:39,615 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-24 05:38:39,741 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-24 05:38:39,741 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-24 05:38:39,742 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1345377909]
[2023-08-24 05:38:39,742 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1345377909] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-24 05:38:39,742 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-24 05:38:39,742 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2
[2023-08-24 05:38:39,743 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1172600368]
[2023-08-24 05:38:39,743 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-24 05:38:39,743 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-08-24 05:38:39,743 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-24 05:38:39,743 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-08-24 05:38:39,744 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-08-24 05:38:39,744 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 121 out of 339
[2023-08-24 05:38:39,745 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 30 places, 29 transitions, 90 flow. Second operand  has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 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)
[2023-08-24 05:38:39,745 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-24 05:38:39,745 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 121 of 339
[2023-08-24 05:38:39,745 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-24 05:38:39,841 INFO  L124   PetriNetUnfolderBase]: 291/536 cut-off events.
[2023-08-24 05:38:39,841 INFO  L125   PetriNetUnfolderBase]: For 146/146 co-relation queries the response was YES.
[2023-08-24 05:38:39,842 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 1396 conditions, 536 events. 291/536 cut-off events. For 146/146 co-relation queries the response was YES. Maximal size of possible extension queue 50. Compared 2377 event pairs, 135 based on Foata normal form. 32/566 useless extension candidates. Maximal degree in co-relation 1391. Up to 417 conditions per place. 
[2023-08-24 05:38:39,844 INFO  L140   encePairwiseOnDemand]: 332/339 looper letters, 30 selfloop transitions, 9 changer transitions 2/41 dead transitions.
[2023-08-24 05:38:39,844 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 32 places, 41 transitions, 218 flow
[2023-08-24 05:38:39,844 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-08-24 05:38:39,844 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-08-24 05:38:39,845 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 397 transitions.
[2023-08-24 05:38:39,845 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.39036381514257623
[2023-08-24 05:38:39,845 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 397 transitions.
[2023-08-24 05:38:39,845 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 397 transitions.
[2023-08-24 05:38:39,845 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-24 05:38:39,845 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 397 transitions.
[2023-08-24 05:38:39,846 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 132.33333333333334) internal successors, (397), 3 states have internal predecessors, (397), 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)
[2023-08-24 05:38:39,847 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 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)
[2023-08-24 05:38:39,848 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 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)
[2023-08-24 05:38:39,848 INFO  L175             Difference]: Start difference. First operand has 30 places, 29 transitions, 90 flow. Second operand 3 states and 397 transitions.
[2023-08-24 05:38:39,848 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 32 places, 41 transitions, 218 flow
[2023-08-24 05:38:39,851 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 31 places, 41 transitions, 208 flow, removed 0 selfloop flow, removed 1 redundant places.
[2023-08-24 05:38:39,852 INFO  L231             Difference]: Finished difference. Result has 32 places, 35 transitions, 155 flow
[2023-08-24 05:38:39,852 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=84, PETRI_DIFFERENCE_MINUEND_PLACES=29, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=29, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=20, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=155, PETRI_PLACES=32, PETRI_TRANSITIONS=35}
[2023-08-24 05:38:39,853 INFO  L281   CegarLoopForPetriNet]: 32 programPoint places, 0 predicate places.
[2023-08-24 05:38:39,855 INFO  L495      AbstractCegarLoop]: Abstraction has has 32 places, 35 transitions, 155 flow
[2023-08-24 05:38:39,855 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 122.66666666666667) internal successors, (368), 3 states have internal predecessors, (368), 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)
[2023-08-24 05:38:39,855 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2023-08-24 05:38:39,855 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-08-24 05:38:39,855 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2
[2023-08-24 05:38:39,856 INFO  L420      AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] ===
[2023-08-24 05:38:39,856 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-08-24 05:38:39,856 INFO  L85        PathProgramCache]: Analyzing trace with hash 447455202, now seen corresponding path program 1 times
[2023-08-24 05:38:39,856 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-24 05:38:39,857 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1291662469]
[2023-08-24 05:38:39,857 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-24 05:38:39,857 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-24 05:38:39,881 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2023-08-24 05:38:39,922 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2023-08-24 05:38:39,923 INFO  L136   FreeRefinementEngine]: Strategy CAMEL found an infeasible trace
[2023-08-24 05:38:39,923 INFO  L334   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1291662469]
[2023-08-24 05:38:39,923 INFO  L158   FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1291662469] provided 1 perfect and 0 imperfect interpolant sequences
[2023-08-24 05:38:39,923 INFO  L185   FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences.
[2023-08-24 05:38:39,923 INFO  L198   FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3
[2023-08-24 05:38:39,923 INFO  L121   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814945083]
[2023-08-24 05:38:39,923 INFO  L85    oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton
[2023-08-24 05:38:39,924 INFO  L571      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2023-08-24 05:38:39,924 INFO  L100   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL
[2023-08-24 05:38:39,925 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2023-08-24 05:38:39,925 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2023-08-24 05:38:39,926 INFO  L471   CegarLoopForPetriNet]: Number of universal loopers: 146 out of 339
[2023-08-24 05:38:39,926 INFO  L103   encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 32 places, 35 transitions, 155 flow. Second operand  has 3 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 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)
[2023-08-24 05:38:39,926 INFO  L112   encePairwiseOnDemand]: Universal subtrahend loopers provided by user.
[2023-08-24 05:38:39,926 INFO  L113   encePairwiseOnDemand]: Number of universal subtrahend loopers: 146 of 339
[2023-08-24 05:38:39,926 INFO  L73            FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand
[2023-08-24 05:38:39,976 INFO  L124   PetriNetUnfolderBase]: 72/144 cut-off events.
[2023-08-24 05:38:39,976 INFO  L125   PetriNetUnfolderBase]: For 139/139 co-relation queries the response was YES.
[2023-08-24 05:38:39,977 INFO  L83            FinitePrefix]: Finished finitePrefix Result has 415 conditions, 144 events. 72/144 cut-off events. For 139/139 co-relation queries the response was YES. Maximal size of possible extension queue 12. Compared 407 event pairs, 15 based on Foata normal form. 16/159 useless extension candidates. Maximal degree in co-relation 409. Up to 104 conditions per place. 
[2023-08-24 05:38:39,977 INFO  L140   encePairwiseOnDemand]: 337/339 looper letters, 23 selfloop transitions, 1 changer transitions 0/24 dead transitions.
[2023-08-24 05:38:39,977 INFO  L145   encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 27 places, 24 transitions, 132 flow
[2023-08-24 05:38:39,978 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2023-08-24 05:38:39,978 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand 3 states.
[2023-08-24 05:38:39,979 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 463 transitions.
[2023-08-24 05:38:39,979 INFO  L516   CegarLoopForPetriNet]: DFA transition density 0.4552605703048181
[2023-08-24 05:38:39,979 INFO  L72            ComplementDD]: Start complementDD. Operand 3 states and 463 transitions.
[2023-08-24 05:38:39,979 INFO  L73         IsDeterministic]: Start isDeterministic. Operand 3 states and 463 transitions.
[2023-08-24 05:38:39,979 INFO  L80         IsDeterministic]: Finished isDeterministic. Operand is deterministic.
[2023-08-24 05:38:39,979 INFO  L117    ReachableStatesCopy]: Start reachableStatesCopy. Operand 3 states and 463 transitions.
[2023-08-24 05:38:39,980 INFO  L343    DoubleDeckerVisitor]: Before removal of dead ends  has 4 states, 3 states have (on average 154.33333333333334) internal successors, (463), 3 states have internal predecessors, (463), 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)
[2023-08-24 05:38:39,982 INFO  L131    ReachableStatesCopy]: Finished reachableStatesCopy Result  has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 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)
[2023-08-24 05:38:39,982 INFO  L81            ComplementDD]: Finished complementDD. Result  has 4 states, 4 states have (on average 339.0) internal successors, (1356), 4 states have internal predecessors, (1356), 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)
[2023-08-24 05:38:39,982 INFO  L175             Difference]: Start difference. First operand has 32 places, 35 transitions, 155 flow. Second operand 3 states and 463 transitions.
[2023-08-24 05:38:39,982 INFO  L82        GeneralOperation]: Start removeRedundantFlow. Operand has 27 places, 24 transitions, 132 flow
[2023-08-24 05:38:39,983 INFO  L88        GeneralOperation]: Finished removeRedundantFlow, result has has 26 places, 24 transitions, 116 flow, removed 8 selfloop flow, removed 1 redundant places.
[2023-08-24 05:38:39,984 INFO  L231             Difference]: Finished difference. Result has 26 places, 18 transitions, 50 flow
[2023-08-24 05:38:39,984 INFO  L264   CegarLoopForPetriNet]: {PETRI_ALPHABET=339, PETRI_DIFFERENCE_MINUEND_FLOW=48, PETRI_DIFFERENCE_MINUEND_PLACES=24, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=18, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=1, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=17, PETRI_DIFFERENCE_SUBTRAHEND_STATES=3, PETRI_FLOW=50, PETRI_PLACES=26, PETRI_TRANSITIONS=18}
[2023-08-24 05:38:39,985 INFO  L281   CegarLoopForPetriNet]: 32 programPoint places, -6 predicate places.
[2023-08-24 05:38:39,985 INFO  L495      AbstractCegarLoop]: Abstraction has has 26 places, 18 transitions, 50 flow
[2023-08-24 05:38:39,985 INFO  L496      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 3 states have (on average 148.66666666666666) internal successors, (446), 3 states have internal predecessors, (446), 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)
[2023-08-24 05:38:39,985 INFO  L200   CegarLoopForPetriNet]: Found error trace
[2023-08-24 05:38:39,986 INFO  L208   CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2023-08-24 05:38:39,986 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3
[2023-08-24 05:38:39,986 INFO  L420      AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (and 5 more)] ===
[2023-08-24 05:38:39,986 INFO  L145       PredicateUnifier]: Initialized classic predicate unifier
[2023-08-24 05:38:39,986 INFO  L85        PathProgramCache]: Analyzing trace with hash -338462614, now seen corresponding path program 1 times
[2023-08-24 05:38:39,986 INFO  L118   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2023-08-24 05:38:39,986 INFO  L334   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251395365]
[2023-08-24 05:38:39,986 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2023-08-24 05:38:39,987 INFO  L127          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2023-08-24 05:38:40,076 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-08-24 05:38:40,077 INFO  L356             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2023-08-24 05:38:40,110 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2023-08-24 05:38:40,138 INFO  L130   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2023-08-24 05:38:40,138 INFO  L360         BasicCegarLoop]: Counterexample is feasible
[2023-08-24 05:38:40,139 INFO  L805   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (7 of 8 remaining)
[2023-08-24 05:38:40,140 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (6 of 8 remaining)
[2023-08-24 05:38:40,140 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (5 of 8 remaining)
[2023-08-24 05:38:40,141 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION (4 of 8 remaining)
[2023-08-24 05:38:40,143 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION (3 of 8 remaining)
[2023-08-24 05:38:40,143 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION (2 of 8 remaining)
[2023-08-24 05:38:40,143 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 8 remaining)
[2023-08-24 05:38:40,146 INFO  L805   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 8 remaining)
[2023-08-24 05:38:40,146 WARN  L477      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4
[2023-08-24 05:38:40,146 INFO  L445         BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1]
[2023-08-24 05:38:40,150 INFO  L228   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2023-08-24 05:38:40,150 INFO  L178   ceAbstractionStarter]: Computing trace abstraction results
[2023-08-24 05:38:40,203 INFO  L201        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.08 05:38:40 BasicIcfg
[2023-08-24 05:38:40,203 INFO  L131        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2023-08-24 05:38:40,204 INFO  L158              Benchmark]: Toolchain (without parser) took 12589.04ms. Allocated memory was 350.2MB in the beginning and 566.2MB in the end (delta: 216.0MB). Free memory was 322.9MB in the beginning and 254.4MB in the end (delta: 68.5MB). Peak memory consumption was 286.2MB. Max. memory is 16.0GB.
[2023-08-24 05:38:40,204 INFO  L158              Benchmark]: CDTParser took 0.11ms. Allocated memory is still 350.2MB. Free memory was 328.2MB in the beginning and 328.0MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.0GB.
[2023-08-24 05:38:40,204 INFO  L158              Benchmark]: CACSL2BoogieTranslator took 767.43ms. Allocated memory is still 350.2MB. Free memory was 322.9MB in the beginning and 268.4MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.0GB.
[2023-08-24 05:38:40,204 INFO  L158              Benchmark]: Boogie Procedure Inliner took 66.58ms. Allocated memory is still 350.2MB. Free memory was 268.4MB in the beginning and 264.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
[2023-08-24 05:38:40,207 INFO  L158              Benchmark]: Boogie Preprocessor took 24.06ms. Allocated memory is still 350.2MB. Free memory was 264.9MB in the beginning and 262.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB.
[2023-08-24 05:38:40,208 INFO  L158              Benchmark]: RCFGBuilder took 486.19ms. Allocated memory was 350.2MB in the beginning and 471.9MB in the end (delta: 121.6MB). Free memory was 262.1MB in the beginning and 436.8MB in the end (delta: -174.7MB). Peak memory consumption was 22.1MB. Max. memory is 16.0GB.
[2023-08-24 05:38:40,208 INFO  L158              Benchmark]: TraceAbstraction took 11239.21ms. Allocated memory was 471.9MB in the beginning and 566.2MB in the end (delta: 94.4MB). Free memory was 435.8MB in the beginning and 254.4MB in the end (delta: 181.3MB). Peak memory consumption was 276.7MB. Max. memory is 16.0GB.
[2023-08-24 05:38:40,209 INFO  L338   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.11ms. Allocated memory is still 350.2MB. Free memory was 328.2MB in the beginning and 328.0MB in the end (delta: 157.3kB). There was no memory consumed. Max. memory is 16.0GB.
 * CACSL2BoogieTranslator took 767.43ms. Allocated memory is still 350.2MB. Free memory was 322.9MB in the beginning and 268.4MB in the end (delta: 54.5MB). Peak memory consumption was 54.5MB. Max. memory is 16.0GB.
 * Boogie Procedure Inliner took 66.58ms. Allocated memory is still 350.2MB. Free memory was 268.4MB in the beginning and 264.9MB in the end (delta: 3.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.0GB.
 * Boogie Preprocessor took 24.06ms. Allocated memory is still 350.2MB. Free memory was 264.9MB in the beginning and 262.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.0GB.
 * RCFGBuilder took 486.19ms. Allocated memory was 350.2MB in the beginning and 471.9MB in the end (delta: 121.6MB). Free memory was 262.1MB in the beginning and 436.8MB in the end (delta: -174.7MB). Peak memory consumption was 22.1MB. Max. memory is 16.0GB.
 * TraceAbstraction took 11239.21ms. Allocated memory was 471.9MB in the beginning and 566.2MB in the end (delta: 94.4MB). Free memory was 435.8MB in the beginning and 254.4MB in the end (delta: 181.3MB). Peak memory consumption was 276.7MB. Max. memory is 16.0GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator:
  - GenericResultAtLocation [Line: 251]: Unsoundness Warning
    unspecified type, defaulting to int C: short [251]
  - GenericResultAtLocation [Line: 251]: Unsoundness Warning
    unspecified type, defaulting to int C: short [251]
  - GenericResultAtLocation [Line: 735]: Unsoundness Warning
    unspecified type, defaulting to int C: unsigned short [735]
  - GenericResultAtLocation [Line: 1691]: Unsoundness Warning
    unspecified type, defaulting to int C: unsigned long [1691]
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 9.7s, 156 PlacesBefore, 32 PlacesAfterwards, 156 TransitionsBefore, 28 TransitionsAfterwards, 1780 CoEnabledTransitionPairs, 7 FixpointIterations, 99 TrivialSequentialCompositions, 46 ConcurrentSequentialCompositions, 9 TrivialYvCompositions, 11 ConcurrentYvCompositions, 4 ChoiceCompositions, 169 TotalNumberOfCompositions, 3012 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1607, independent: 1470, independent conditional: 0, independent unconditional: 1470, dependent: 137, dependent conditional: 0, dependent unconditional: 137, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SyntacticIndependenceRelation.Independence Queries: [ total: 957, independent: 920, independent conditional: 0, independent unconditional: 920, dependent: 37, dependent conditional: 0, dependent unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1607, independent: 550, independent conditional: 0, independent unconditional: 550, dependent: 100, dependent conditional: 0, dependent unconditional: 100, unknown: 957, unknown conditional: 0, unknown unconditional: 957] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 15, Positive conditional cache size: 0, Positive unconditional cache size: 15, Negative cache size: 13, Negative conditional cache size: 0, Negative unconditional cache size: 13, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0
  - CounterExampleResult [Line: 1675]: a call to reach_error is reachable
    a call to reach_error is reachable
We found a FailurePath: 
[L1676]               0  pthread_t t1,t2;
[L1688]               0  struct device *my_dev;
[L1733]  CALL, EXPR   0  my_drv_init()
[L1727]               0  return 0;
[L1733]  RET, EXPR    0  my_drv_init()
[L1733]               0  int ret = my_drv_init();
[L1734]  COND TRUE    0  ret==0
[L1735]               0  int probe_ret;
[L1736]               0  struct my_data data;
[L1737]  CALL, EXPR   0  my_drv_probe(&data)
[L1705]               0  data->shared.a = 0
[L1706]               0  data->shared.b = 0
[L1707]  EXPR         0  data->shared.a
[L1707]  CALL         0  ldv_assert(data->shared.a==0)
[L1675]  COND FALSE   0  !(!expression)
[L1707]  RET          0  ldv_assert(data->shared.a==0)
[L1708]  EXPR         0  data->shared.b
[L1708]  CALL         0  ldv_assert(data->shared.b==0)
[L1675]  COND FALSE   0  !(!expression)
[L1708]  RET          0  ldv_assert(data->shared.b==0)
[L1709]               0  int res = __VERIFIER_nondet_int();
[L1710]  COND FALSE   0  !(\read(res))
[L1712]               0  my_dev = &data->dev
[L1713]  FCALL, FORK  0  pthread_create(&t1, ((void *)0), my_callback, ((void *)0))
         VAL             [arg={0:0}, data={6:0}, data={6:0}, my_dev={6:24}, pthread_create(&t1, ((void *)0), my_callback, ((void *)0))=-10, res=0, t1={3:0}, t2={4:0}]
[L1690]               1  struct my_data *data;
[L1691]               1  const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev);
[L1691]               1  { const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}
[L1691]               1  data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );})
[L1693]               1  data->shared.a = 1
         VAL             [__mptr={4:-7}, arg={0:0}, arg={0:0}, data={4:-31}, my_dev={6:24}, t1={3:0}, t2={4:0}]
[L1714]  FCALL, FORK  0  pthread_create(&t2, ((void *)0), my_callback, ((void *)0))
         VAL             [__mptr={4:-7}, arg={0:0}, arg={0:0}, data={4:-31}, data={6:0}, data={6:0}, my_dev={6:24}, pthread_create(&t2, ((void *)0), my_callback, ((void *)0))=-9, res=0, t1={3:0}, t2={4:0}]
[L1696]  EXPR         1  data->shared.b
[L1696]               1  int lb = data->shared.b;
[L1690]               2  struct my_data *data;
[L1691]               2  const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev);
[L1691]               2  { const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );}
[L1691]               2  data = ({ const typeof( ((struct my_data *)0)->dev ) *__mptr = (my_dev); (struct my_data *)( (char *)__mptr - ((unsigned long) &((struct my_data *)0)->dev) );})
[L1693]               2  data->shared.a = 1
         VAL             [__mptr={3:25}, arg={0:0}, arg={0:0}, data={4:1}, lb=-9, my_dev={6:24}, t1={3:0}, t2={4:0}]
[L1699]               1  data->shared.b = lb + 1
[L1701]               1  return 0;
[L1696]  EXPR         2  data->shared.b
[L1696]               2  int lb = data->shared.b;
[L1699]               2  data->shared.b = lb + 1
[L1701]               2  return 0;
[L1715]               0  return 0;
[L1737]  RET, EXPR    0  my_drv_probe(&data)
[L1737]               0  probe_ret = my_drv_probe(&data)
         VAL             [\result={0:0}, __mptr={3:25}, arg={0:0}, arg={0:0}, data={4:-31}, data={6:0}, lb=-9, my_dev={6:24}, my_drv_probe(&data)=0, probe_ret=0, ret=0, t1={3:0}, t2={4:0}]
[L1738]  COND TRUE    0  probe_ret==0
[L1739]  CALL         0  my_drv_disconnect(&data)
[L1721]               0  void *status;
[L1722]               0  \read(t1)
         VAL             [\read(t1)=-10, \result={0:0}, __mptr={3:25}, arg={0:0}, arg={0:0}, data={4:-31}, data={6:0}, data={6:0}, lb=-9, my_dev={6:24}, status={5:0}, t1={3:0}, t2={4:0}]
[L1722]  FCALL, JOIN  1  pthread_join(t1, &status)
         VAL             [\read(t1)=-10, \result={0:0}, __mptr={3:25}, arg={0:0}, arg={0:0}, data={4:-31}, data={6:0}, data={6:0}, lb=-9, my_dev={6:24}, pthread_join(t1, &status)={0:0}, status={5:0}, t1={3:0}, t2={4:0}]
[L1723]               0  \read(t2)
         VAL             [\read(t2)=-9, \result={0:0}, __mptr={3:25}, arg={0:0}, arg={0:0}, data={4:-31}, data={6:0}, data={6:0}, lb=-9, my_dev={6:24}, status={5:0}, t1={3:0}, t2={4:0}]
[L1723]  FCALL, JOIN  2  pthread_join(t2, &status)
         VAL             [\read(t2)=-9, \result={0:0}, __mptr={3:25}, arg={0:0}, arg={0:0}, data={4:-31}, data={6:0}, data={6:0}, lb=-9, my_dev={6:24}, pthread_join(t2, &status)={0:0}, status={5:0}, t1={3:0}, t2={4:0}]
[L1739]  RET          0  my_drv_disconnect(&data)
[L1740]  EXPR         0  data.shared.a
[L1740]  CALL         0  ldv_assert(data.shared.a==1)
[L1675]  COND TRUE    0  !expression
[L1675]               0  reach_error()
         VAL             [\old(expression)=0, \result={0:0}, __mptr={3:25}, arg={0:0}, arg={0:0}, data={4:-31}, expression=0, lb=-9, my_dev={6:24}, t1={3:0}, t2={4:0}]

  - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1675]: Unable to prove that call to reach_error is unreachable
    Unable to prove that call to reach_error is unreachable
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1714]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
 Reason: Not analyzed. 
  - UnprovableResult [Line: 1713]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
    Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users)
 Reason: Not analyzed. 
  - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances
    CFG has 4 procedures, 175 locations, 8 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 11.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 9.8s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 20 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 173 IncrementalHoareTripleChecker+Invalid, 175 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 173 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 8 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=155occurred in iteration=3, InterpolantAutomatonStates: 11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 36 NumberOfCodeBlocks, 36 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 105 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available
RESULT: Ultimate proved your program to be incorrect!
[2023-08-24 05:38:40,226 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...