/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Overflow-32bit-Automizer_Default.epf -i ../sv-benchmarks/c/weaver/chl-match-symm.wvr.c


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


This is Ultimate 0.2.1-dev-8c2bbc9
[2021-10-07 14:53:17,221 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-07 14:53:17,225 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-07 14:53:17,282 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-07 14:53:17,283 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-07 14:53:17,290 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-07 14:53:17,293 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-07 14:53:17,298 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
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[2021-10-07 14:53:17,311 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-07 14:53:17,314 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-07 14:53:17,317 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-07 14:53:17,333 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-07 14:53:17,338 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-07 14:53:17,340 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-07 14:53:17,346 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-07 14:53:17,352 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-07 14:53:17,354 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-07 14:53:17,357 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-07 14:53:17,358 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-07 14:53:17,361 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-07 14:53:17,370 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-10-07 14:53:17,370 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-07 14:53:17,372 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-07 14:53:17,373 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-07 14:53:17,374 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-07 14:53:17,374 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-07 14:53:17,375 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-07 14:53:17,377 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-07 14:53:17,378 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-07 14:53:17,380 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-07 14:53:17,380 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-07 14:53:17,381 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-07 14:53:17,381 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-07 14:53:17,381 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-07 14:53:17,382 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-07 14:53:17,383 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-07 14:53:17,390 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf
[2021-10-07 14:53:17,439 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-07 14:53:17,439 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-07 14:53:17,440 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-07 14:53:17,440 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-07 14:53:17,444 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-07 14:53:17,444 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-07 14:53:17,444 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-07 14:53:17,445 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-07 14:53:17,446 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-07 14:53:17,446 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-07 14:53:17,447 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-07 14:53:17,447 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-07 14:53:17,447 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-07 14:53:17,448 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2021-10-07 14:53:17,448 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-07 14:53:17,448 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2021-10-07 14:53:17,448 INFO  L138        SettingsManager]:  * Check absence of signed integer overflows=true
[2021-10-07 14:53:17,449 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-07 14:53:17,449 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2021-10-07 14:53:17,449 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-07 14:53:17,449 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2021-10-07 14:53:17,449 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-07 14:53:17,450 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-07 14:53:17,450 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-07 14:53:17,450 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-07 14:53:17,450 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-07 14:53:17,450 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-07 14:53:17,451 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2021-10-07 14:53:17,451 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2021-10-07 14:53:17,451 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2021-10-07 14:53:17,451 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2021-10-07 14:53:17,451 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-07 14:53:17,452 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
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-2/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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-10-07 14:53:17,878 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-07 14:53:17,907 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-07 14:53:17,911 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-07 14:53:17,912 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-07 14:53:17,913 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-07 14:53:17,914 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/chl-match-symm.wvr.c
[2021-10-07 14:53:18,002 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/628442aba/ad9313dc428e41d4a41dbab5ca4c1790/FLAG9047cfcfc
[2021-10-07 14:53:18,728 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-07 14:53:18,728 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-symm.wvr.c
[2021-10-07 14:53:18,738 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/628442aba/ad9313dc428e41d4a41dbab5ca4c1790/FLAG9047cfcfc
[2021-10-07 14:53:19,063 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/628442aba/ad9313dc428e41d4a41dbab5ca4c1790
[2021-10-07 14:53:19,067 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-07 14:53:19,078 INFO  L131        ToolchainWalker]: Walking toolchain with 6 elements.
[2021-10-07 14:53:19,080 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-07 14:53:19,081 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-07 14:53:19,085 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-07 14:53:19,087 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:53:19" (1/1) ...
[2021-10-07 14:53:19,088 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@612df2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:19, skipping insertion in model container
[2021-10-07 14:53:19,089 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.10 02:53:19" (1/1) ...
[2021-10-07 14:53:19,098 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-07 14:53:19,119 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-07 14:53:19,372 WARN  L228   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-symm.wvr.c[2585,2598]
[2021-10-07 14:53:19,374 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-07 14:53:19,393 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-07 14:53:19,447 WARN  L228   ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/chl-match-symm.wvr.c[2585,2598]
[2021-10-07 14:53:19,448 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-07 14:53:19,467 INFO  L208         MainTranslator]: Completed translation
[2021-10-07 14:53:19,468 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:19 WrapperNode
[2021-10-07 14:53:19,468 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-07 14:53:19,470 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-07 14:53:19,470 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-07 14:53:19,470 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-07 14:53:19,480 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:19" (1/1) ...
[2021-10-07 14:53:19,491 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:19" (1/1) ...
[2021-10-07 14:53:19,517 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-07 14:53:19,518 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-07 14:53:19,518 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-07 14:53:19,519 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-07 14:53:19,530 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:19" (1/1) ...
[2021-10-07 14:53:19,530 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:19" (1/1) ...
[2021-10-07 14:53:19,533 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:19" (1/1) ...
[2021-10-07 14:53:19,534 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:19" (1/1) ...
[2021-10-07 14:53:19,540 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:19" (1/1) ...
[2021-10-07 14:53:19,543 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:19" (1/1) ...
[2021-10-07 14:53:19,545 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:19" (1/1) ...
[2021-10-07 14:53:19,549 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-07 14:53:19,550 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-07 14:53:19,550 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-07 14:53:19,550 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-07 14:53:19,551 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:19" (1/1) ...
[2021-10-07 14:53:19,570 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-07 14:53:19,586 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-07 14:53:19,610 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-07 14:53:19,633 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process
[2021-10-07 14:53:19,696 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-10-07 14:53:19,696 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-10-07 14:53:19,696 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-10-07 14:53:19,697 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-10-07 14:53:19,697 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2021-10-07 14:53:19,697 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-07 14:53:19,698 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2021-10-07 14:53:19,698 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-07 14:53:19,698 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-07 14:53:19,698 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2021-10-07 14:53:19,698 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-07 14:53:19,702 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-10-07 14:53:20,343 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-07 14:53:20,343 INFO  L299             CfgBuilder]: Removed 10 assume(true) statements.
[2021-10-07 14:53:20,347 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:53:20 BoogieIcfgContainer
[2021-10-07 14:53:20,347 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-07 14:53:20,349 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-07 14:53:20,350 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-07 14:53:20,354 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-07 14:53:20,355 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.10 02:53:19" (1/3) ...
[2021-10-07 14:53:20,356 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3430810b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:53:20, skipping insertion in model container
[2021-10-07 14:53:20,356 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.10 02:53:19" (2/3) ...
[2021-10-07 14:53:20,357 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3430810b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.10 02:53:20, skipping insertion in model container
[2021-10-07 14:53:20,357 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:53:20" (3/3) ...
[2021-10-07 14:53:20,360 INFO  L111   eAbstractionObserver]: Analyzing ICFG chl-match-symm.wvr.c
[2021-10-07 14:53:20,368 WARN  L149   ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program
[2021-10-07 14:53:20,368 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-07 14:53:20,368 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations.
[2021-10-07 14:53:20,368 INFO  L516   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-07 14:53:20,476 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,477 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,477 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,477 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,477 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,478 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,478 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,478 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,479 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,479 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,479 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,479 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,480 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,480 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,480 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,480 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,481 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,481 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,481 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,481 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,482 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,482 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,482 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,482 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,483 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,483 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,483 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,483 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,484 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,484 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,485 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,485 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,485 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,485 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,485 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,486 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,487 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,487 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,488 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,488 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,488 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,489 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,489 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,489 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,489 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,490 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,490 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,490 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,490 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,491 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,491 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,491 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,491 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,492 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,492 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,492 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,493 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,493 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,493 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,493 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,494 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,494 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,494 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,494 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,495 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,495 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,495 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,496 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,496 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,496 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,500 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,500 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,504 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,506 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,507 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,507 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,507 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,507 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~ite6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,513 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,513 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,513 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,513 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,514 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,514 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~ite10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-07 14:53:20,522 INFO  L148    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2021-10-07 14:53:20,581 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-07 14:53:20,591 INFO  L339      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=true, mConcurrency=FINITE_AUTOMATA, 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, mLoopAccelerationTechnique=FAST_UPR
[2021-10-07 14:53:20,591 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 34 error locations.
[2021-10-07 14:53:20,610 INFO  L118   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-10-07 14:53:20,624 INFO  L133   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 157 places, 161 transitions, 338 flow
[2021-10-07 14:53:20,627 INFO  L110        LiptonReduction]: Starting Lipton reduction on Petri net that has 157 places, 161 transitions, 338 flow
[2021-10-07 14:53:20,630 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 157 places, 161 transitions, 338 flow
[2021-10-07 14:53:20,705 INFO  L129       PetriNetUnfolder]: 11/159 cut-off events.
[2021-10-07 14:53:20,705 INFO  L130       PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2021-10-07 14:53:20,713 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 168 conditions, 159 events. 11/159 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 306 event pairs, 0 based on Foata normal form. 0/132 useless extension candidates. Maximal degree in co-relation 89. Up to 2 conditions per place. 
[2021-10-07 14:53:20,723 INFO  L116        LiptonReduction]: Number of co-enabled transitions 4212
[2021-10-07 14:53:27,923 INFO  L131        LiptonReduction]: Checked pairs total: 5353
[2021-10-07 14:53:27,924 INFO  L133        LiptonReduction]: Total number of compositions: 226
[2021-10-07 14:53:27,940 INFO  L111   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 29 transitions, 74 flow
[2021-10-07 14:53:27,979 INFO  L133   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 238 states, 158 states have (on average 3.348101265822785) internal successors, (529), 237 states have internal predecessors, (529), 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)
[2021-10-07 14:53:27,982 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 238 states, 158 states have (on average 3.348101265822785) internal successors, (529), 237 states have internal predecessors, (529), 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)
[2021-10-07 14:53:27,988 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 4
[2021-10-07 14:53:27,988 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-07 14:53:27,989 INFO  L512         BasicCegarLoop]: trace histogram [1, 1, 1]
[2021-10-07 14:53:27,989 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW === [thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW, thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 31 more)] ===
[2021-10-07 14:53:27,995 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-07 14:53:27,995 INFO  L82        PathProgramCache]: Analyzing trace with hash 684143, now seen corresponding path program 1 times
[2021-10-07 14:53:28,006 INFO  L121   FreeRefinementEngine]: Executing refinement strategy CAMEL
[2021-10-07 14:53:28,007 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705726252]
[2021-10-07 14:53:28,007 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-07 14:53:28,008 INFO  L128          SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms
[2021-10-07 14:53:28,137 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-07 14:53:28,138 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-07 14:53:28,166 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-07 14:53:28,192 INFO  L133   FreeRefinementEngine]: Strategy CAMEL found a feasible trace
[2021-10-07 14:53:28,194 INFO  L626         BasicCegarLoop]: Counterexample is feasible
[2021-10-07 14:53:28,196 INFO  L764   garLoopResultBuilder]: Registering result UNSAFE for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,198 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,199 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,199 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,199 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,200 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,200 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,200 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,200 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,201 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,201 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,201 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,202 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,202 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,202 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,202 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,203 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,203 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION
[2021-10-07 14:53:28,203 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION
[2021-10-07 14:53:28,203 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,204 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,204 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,204 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,204 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,205 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err6ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,205 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err7ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,205 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,206 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,206 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,206 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,206 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,207 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,207 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err6ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,207 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err7ASSERT_VIOLATIONINTEGER_OVERFLOW
[2021-10-07 14:53:28,208 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0
[2021-10-07 14:53:28,217 INFO  L229   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-10-07 14:53:28,217 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-07 14:53:28,241 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.10 02:53:28 BasicIcfg
[2021-10-07 14:53:28,241 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-07 14:53:28,242 INFO  L113        PluginConnector]: ------------------------Witness Printer----------------------------
[2021-10-07 14:53:28,242 INFO  L271        PluginConnector]: Initializing Witness Printer...
[2021-10-07 14:53:28,243 INFO  L275        PluginConnector]: Witness Printer initialized
[2021-10-07 14:53:28,243 INFO  L185        PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.10 02:53:20" (3/4) ...
[2021-10-07 14:53:28,246 INFO  L131         WitnessPrinter]: Generating witness for reachability counterexample
[2021-10-07 14:53:28,306 INFO  L141         WitnessManager]: Wrote witness to /storage/repos/svcomp/c/weaver/chl-match-symm.wvr.c-witness.graphml
[2021-10-07 14:53:28,306 INFO  L132        PluginConnector]: ------------------------ END Witness Printer----------------------------
[2021-10-07 14:53:28,309 INFO  L168              Benchmark]: Toolchain (without parser) took 9238.69 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 127.5 MB in the beginning and 162.6 MB in the end (delta: -35.1 MB). Peak memory consumption was 99.3 MB. Max. memory is 8.0 GB.
[2021-10-07 14:53:28,309 INFO  L168              Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 152.0 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-10-07 14:53:28,310 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 388.14 ms. Allocated memory is still 152.0 MB. Free memory was 127.2 MB in the beginning and 116.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB.
[2021-10-07 14:53:28,311 INFO  L168              Benchmark]: Boogie Procedure Inliner took 47.96 ms. Allocated memory is still 152.0 MB. Free memory was 116.3 MB in the beginning and 114.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-10-07 14:53:28,311 INFO  L168              Benchmark]: Boogie Preprocessor took 30.66 ms. Allocated memory is still 152.0 MB. Free memory was 114.7 MB in the beginning and 113.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2021-10-07 14:53:28,312 INFO  L168              Benchmark]: RCFGBuilder took 797.72 ms. Allocated memory is still 152.0 MB. Free memory was 113.4 MB in the beginning and 99.1 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB.
[2021-10-07 14:53:28,313 INFO  L168              Benchmark]: TraceAbstraction took 7892.15 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 98.7 MB in the beginning and 62.5 MB in the end (delta: 36.1 MB). Peak memory consumption was 67.8 MB. Max. memory is 8.0 GB.
[2021-10-07 14:53:28,314 INFO  L168              Benchmark]: Witness Printer took 64.02 ms. Allocated memory is still 182.5 MB. Free memory was 62.5 MB in the beginning and 162.6 MB in the end (delta: -100.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB.
[2021-10-07 14:53:28,317 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.25 ms. Allocated memory is still 152.0 MB. Free memory is still 123.3 MB. There was no memory consumed. Max. memory is 8.0 GB.
 * CACSL2BoogieTranslator took 388.14 ms. Allocated memory is still 152.0 MB. Free memory was 127.2 MB in the beginning and 116.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.5 MB. Max. memory is 8.0 GB.
 * Boogie Procedure Inliner took 47.96 ms. Allocated memory is still 152.0 MB. Free memory was 116.3 MB in the beginning and 114.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
 * Boogie Preprocessor took 30.66 ms. Allocated memory is still 152.0 MB. Free memory was 114.7 MB in the beginning and 113.5 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
 * RCFGBuilder took 797.72 ms. Allocated memory is still 152.0 MB. Free memory was 113.4 MB in the beginning and 99.1 MB in the end (delta: 14.3 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB.
 * TraceAbstraction took 7892.15 ms. Allocated memory was 152.0 MB in the beginning and 182.5 MB in the end (delta: 30.4 MB). Free memory was 98.7 MB in the beginning and 62.5 MB in the end (delta: 36.1 MB). Peak memory consumption was 67.8 MB. Max. memory is 8.0 GB.
 * Witness Printer took 64.02 ms. Allocated memory is still 182.5 MB. Free memory was 62.5 MB in the beginning and 162.6 MB in the end (delta: -100.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 7300.9ms, 157 PlacesBefore, 36 PlacesAfterwards, 161 TransitionsBefore, 29 TransitionsAfterwards, 4212 CoEnabledTransitionPairs, 8 FixpointIterations, 61 TrivialSequentialCompositions, 108 ConcurrentSequentialCompositions, 14 TrivialYvCompositions, 32 ConcurrentYvCompositions, 11 ChoiceCompositions, 226 TotalNumberOfCompositions, 5353 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 5353, positive: 5353, positive conditional: 0, positive unconditional: 5353, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 3071, positive: 3071, positive conditional: 0, positive unconditional: 3071, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 3071, positive: 3071, positive conditional: 0, positive unconditional: 3071, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 5353, positive: 2282, positive conditional: 0, positive unconditional: 2282, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 3071, unknown conditional: 0, unknown unconditional: 3071] , Statistics on independence cache: Total cache size (in pairs): 60, Positive cache size: 60, Positive conditional cache size: 0, Positive unconditional cache size: 60, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - CounterExampleResult [Line: 41]: integer overflow possible
    integer overflow possible
We found a FailurePath: 
[L38]               0  int score_0, seq_1_start_1, seq_2_start_2, score_3, seq_1_start_4, seq_2_start_5, result_6, result_7;
[L53]               0  pthread_t t1, t2;
[L55]               0  score_0 = __VERIFIER_nondet_int()
[L56]               0  seq_1_start_1 = __VERIFIER_nondet_int()
[L57]               0  seq_2_start_2 = __VERIFIER_nondet_int()
[L58]               0  score_3 = __VERIFIER_nondet_int()
[L59]               0  seq_1_start_4 = __VERIFIER_nondet_int()
[L60]               0  seq_2_start_5 = __VERIFIER_nondet_int()
[L63]  FCALL, FORK  0  pthread_create(&t1, 0, thread1, 0)
       VAL             [result_6=0, result_7=0, score_0=0, score_3=0, seq_1_start_1=0, seq_1_start_4=2147483647, seq_2_start_2=0, seq_2_start_5=1]
[L41]               1  score_0 > score_3 ? - 1 : (score_0 < score_3 ? 1 : (seq_1_start_1 + seq_2_start_2 < seq_1_start_4 + seq_2_start_5 ? -1 : (seq_1_start_1 + seq_2_start_2 > seq_1_start_4 + seq_2_start_5 ? 1 : 0)))
[L41]               1  score_0 < score_3 ? 1 : (seq_1_start_1 + seq_2_start_2 < seq_1_start_4 + seq_2_start_5 ? -1 : (seq_1_start_1 + seq_2_start_2 > seq_1_start_4 + seq_2_start_5 ? 1 : 0))
[L41]               1  seq_1_start_1 + seq_2_start_2
[L41]               1  seq_1_start_4 + seq_2_start_5
       VAL             [result_6=0, result_7=0, score_0=0, score_3=0, seq_1_start_1=0, seq_1_start_4=2147483647, seq_2_start_2=0, seq_2_start_5=1]

  - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 41]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 47]: Unable to prove that integer overflow can never occur
    Unable to prove that integer overflow can never occur
 Reason: Not analyzed. 
  - UnprovableResult [Line: 63]: 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: 64]: 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 5 procedures, 225 locations, 34 error locations. Started 1 CEGAR loops. OverallTime: 7636.8ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 8.8ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 7387.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=238occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 7.0ms SsaConstructionTime, 42.3ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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!
[2021-10-07 14:53:28,374 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0
Received shutdown request...