/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf -i ../sv-benchmarks/c/weaver/parallel/misc-1.wvr.c


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


This is Ultimate 0.2.1-dev-8c2bbc9
[2021-10-06 21:18:33,167 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-06 21:18:33,170 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-06 21:18:33,216 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-06 21:18:33,217 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-06 21:18:33,218 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
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[2021-10-06 21:18:33,230 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
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[2021-10-06 21:18:33,254 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-06 21:18:33,256 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-06 21:18:33,258 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-06 21:18:33,259 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-06 21:18:33,261 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-06 21:18:33,264 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-06 21:18:33,266 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-06 21:18:33,271 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-06 21:18:33,272 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-06 21:18:33,273 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-06 21:18:33,277 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-10-06 21:18:33,278 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-06 21:18:33,279 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
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[2021-10-06 21:18:33,281 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-06 21:18:33,282 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
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[2021-10-06 21:18:33,286 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-06 21:18:33,286 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2021-10-06 21:18:33,288 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2021-10-06 21:18:33,290 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-06 21:18:33,291 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/config/svcomp-DerefFreeMemtrack-32bit-Automizer_Bitvector.epf
[2021-10-06 21:18:33,322 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-06 21:18:33,322 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-06 21:18:33,323 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-06 21:18:33,323 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-06 21:18:33,324 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-06 21:18:33,325 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-06 21:18:33,325 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-06 21:18:33,325 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-06 21:18:33,325 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-06 21:18:33,326 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-06 21:18:33,326 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-06 21:18:33,326 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-06 21:18:33,326 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-06 21:18:33,327 INFO  L138        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2021-10-06 21:18:33,327 INFO  L138        SettingsManager]:  * Bitprecise bitfields=true
[2021-10-06 21:18:33,327 INFO  L138        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2021-10-06 21:18:33,327 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-06 21:18:33,327 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2021-10-06 21:18:33,328 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2021-10-06 21:18:33,328 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2021-10-06 21:18:33,328 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-06 21:18:33,328 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-06 21:18:33,329 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-06 21:18:33,329 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-06 21:18:33,329 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-06 21:18:33,329 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-06 21:18:33,329 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-06 21:18:33,330 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-06 21:18:33,330 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2021-10-06 21:18:33,330 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2021-10-06 21:18:33,330 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-06 21:18:33,331 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-10-06 21:18:33,331 INFO  L138        SettingsManager]:  * Logic for external solver=AUFBV
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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-10-06 21:18:33,783 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-06 21:18:33,821 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-06 21:18:33,824 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-06 21:18:33,827 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-06 21:18:33,828 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-06 21:18:33,831 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/parallel/misc-1.wvr.c
[2021-10-06 21:18:33,919 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/027fa1e5f/00a9df4e41cd4735ab6d53d3e3e0ea00/FLAG9e3a59d07
[2021-10-06 21:18:34,506 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-06 21:18:34,506 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/parallel/misc-1.wvr.c
[2021-10-06 21:18:34,521 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/027fa1e5f/00a9df4e41cd4735ab6d53d3e3e0ea00/FLAG9e3a59d07
[2021-10-06 21:18:34,874 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/027fa1e5f/00a9df4e41cd4735ab6d53d3e3e0ea00
[2021-10-06 21:18:34,878 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-06 21:18:34,888 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2021-10-06 21:18:34,892 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-06 21:18:34,893 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-06 21:18:34,897 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-06 21:18:34,898 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 09:18:34" (1/1) ...
[2021-10-06 21:18:34,901 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@48c1162f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:34, skipping insertion in model container
[2021-10-06 21:18:34,902 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 09:18:34" (1/1) ...
[2021-10-06 21:18:34,911 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-06 21:18:34,948 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-06 21:18:35,244 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/parallel/misc-1.wvr.c[2565,2578]
[2021-10-06 21:18:35,257 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-06 21:18:35,272 INFO  L200         MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2021-10-06 21:18:35,277 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-06 21:18:35,293 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/parallel/misc-1.wvr.c[2565,2578]
[2021-10-06 21:18:35,296 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-06 21:18:35,309 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-06 21:18:35,359 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/parallel/misc-1.wvr.c[2565,2578]
[2021-10-06 21:18:35,366 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-06 21:18:35,395 INFO  L208         MainTranslator]: Completed translation
[2021-10-06 21:18:35,396 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:35 WrapperNode
[2021-10-06 21:18:35,396 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-06 21:18:35,397 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-06 21:18:35,397 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-06 21:18:35,398 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-06 21:18:35,405 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:35" (1/1) ...
[2021-10-06 21:18:35,417 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:35" (1/1) ...
[2021-10-06 21:18:35,444 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-06 21:18:35,445 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-06 21:18:35,445 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-06 21:18:35,445 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-06 21:18:35,455 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:35" (1/1) ...
[2021-10-06 21:18:35,456 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:35" (1/1) ...
[2021-10-06 21:18:35,461 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:35" (1/1) ...
[2021-10-06 21:18:35,461 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:35" (1/1) ...
[2021-10-06 21:18:35,473 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:35" (1/1) ...
[2021-10-06 21:18:35,480 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:35" (1/1) ...
[2021-10-06 21:18:35,482 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:35" (1/1) ...
[2021-10-06 21:18:35,486 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-06 21:18:35,487 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-06 21:18:35,488 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-06 21:18:35,488 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-06 21:18:35,489 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:35" (1/1) ...
[2021-10-06 21:18:35,498 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-06 21:18:35,514 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-06 21:18:35,531 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)
[2021-10-06 21:18:35,552 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
[2021-10-06 21:18:35,609 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-10-06 21:18:35,609 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-10-06 21:18:35,609 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-10-06 21:18:35,609 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-10-06 21:18:35,609 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2021-10-06 21:18:35,610 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-06 21:18:35,612 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-10-06 21:18:35,613 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2021-10-06 21:18:35,613 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-06 21:18:35,613 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-06 21:18:35,613 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-06 21:18:35,613 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2021-10-06 21:18:35,615 WARN  L209             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2021-10-06 21:18:36,355 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-06 21:18:36,355 INFO  L299             CfgBuilder]: Removed 15 assume(true) statements.
[2021-10-06 21:18:36,358 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 09:18:36 BoogieIcfgContainer
[2021-10-06 21:18:36,358 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-06 21:18:36,360 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-06 21:18:36,360 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-06 21:18:36,364 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-06 21:18:36,364 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 09:18:34" (1/3) ...
[2021-10-06 21:18:36,365 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b04994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 09:18:36, skipping insertion in model container
[2021-10-06 21:18:36,365 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:18:35" (2/3) ...
[2021-10-06 21:18:36,366 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b04994 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 09:18:36, skipping insertion in model container
[2021-10-06 21:18:36,366 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 09:18:36" (3/3) ...
[2021-10-06 21:18:36,368 INFO  L111   eAbstractionObserver]: Analyzing ICFG misc-1.wvr.c
[2021-10-06 21:18:36,374 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-06 21:18:36,375 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 24 error locations.
[2021-10-06 21:18:36,375 INFO  L516   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-06 21:18:36,415 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,415 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,416 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,416 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,417 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,418 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,418 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,418 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,419 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,419 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,419 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,419 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,420 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,420 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,420 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,421 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,421 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,421 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,422 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,422 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,423 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,423 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,423 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,423 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,424 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,424 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,424 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,424 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,425 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,425 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,425 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,425 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,426 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,427 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,427 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,428 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,428 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,428 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,428 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,429 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,429 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,429 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,430 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,430 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,430 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,430 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,431 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,431 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,431 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,432 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,432 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,432 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,433 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,433 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,433 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,434 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,434 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,437 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,438 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,438 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,438 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,438 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,438 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,439 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,447 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,447 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,448 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,448 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,448 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,449 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,455 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,455 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,456 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,456 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,457 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,457 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:18:36,463 INFO  L148    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2021-10-06 21:18:36,530 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-06 21:18:36,541 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=false, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=All, 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
[2021-10-06 21:18:36,542 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 38 error locations.
[2021-10-06 21:18:36,577 INFO  L118   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-10-06 21:18:36,589 INFO  L133   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 167 places, 171 transitions, 358 flow
[2021-10-06 21:18:36,593 INFO  L110        LiptonReduction]: Starting Lipton reduction on Petri net that has 167 places, 171 transitions, 358 flow
[2021-10-06 21:18:36,595 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 167 places, 171 transitions, 358 flow
[2021-10-06 21:18:36,729 INFO  L129       PetriNetUnfolder]: 11/169 cut-off events.
[2021-10-06 21:18:36,729 INFO  L130       PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2021-10-06 21:18:36,735 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 178 conditions, 169 events. 11/169 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 265 event pairs, 0 based on Foata normal form. 0/134 useless extension candidates. Maximal degree in co-relation 115. Up to 2 conditions per place. 
[2021-10-06 21:18:36,742 INFO  L116        LiptonReduction]: Number of co-enabled transitions 2700
[2021-10-06 21:19:00,920 INFO  L131        LiptonReduction]: Checked pairs total: 3716
[2021-10-06 21:19:00,921 INFO  L133        LiptonReduction]: Total number of compositions: 188
[2021-10-06 21:19:00,931 INFO  L111   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 47 places, 44 transitions, 104 flow
[2021-10-06 21:19:00,962 INFO  L133   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 402 states, 222 states have (on average 4.824324324324325) internal successors, (1071), 401 states have internal predecessors, (1071), 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)
[2021-10-06 21:19:00,968 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 402 states, 222 states have (on average 4.824324324324325) internal successors, (1071), 401 states have internal predecessors, (1071), 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)
[2021-10-06 21:19:00,973 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3
[2021-10-06 21:19:00,974 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-06 21:19:00,974 INFO  L512         BasicCegarLoop]: trace histogram [1, 1]
[2021-10-06 21:19:00,975 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 34 more)] ===
[2021-10-06 21:19:00,981 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-06 21:19:00,981 INFO  L82        PathProgramCache]: Analyzing trace with hash 21208, now seen corresponding path program 1 times
[2021-10-06 21:19:00,994 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-10-06 21:19:00,995 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1794607653]
[2021-10-06 21:19:00,995 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-06 21:19:00,996 INFO  L170          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-10-06 21:19:00,997 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat
[2021-10-06 21:19:00,998 INFO  L229       MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-10-06 21:19:01,037 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Waiting until timeout for monitored process
[2021-10-06 21:19:01,092 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-06 21:19:01,097 INFO  L263         TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 3 conjunts are in the unsatisfiable core
[2021-10-06 21:19:01,102 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-06 21:19:01,225 INFO  L354             Elim1Store]: treesize reduction 38, result has 30.9 percent of original size
[2021-10-06 21:19:01,227 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 30
[2021-10-06 21:19:01,307 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-06 21:19:01,307 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-10-06 21:19:01,328 INFO  L134       CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked.
[2021-10-06 21:19:01,329 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-10-06 21:19:01,329 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1794607653]
[2021-10-06 21:19:01,330 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [1794607653] provided 2 perfect and 0 imperfect interpolant sequences
[2021-10-06 21:19:01,335 INFO  L186   FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2021-10-06 21:19:01,335 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 2
[2021-10-06 21:19:01,337 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [116739620]
[2021-10-06 21:19:01,349 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 4 states
[2021-10-06 21:19:01,350 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-10-06 21:19:01,383 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants.
[2021-10-06 21:19:01,384 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-06 21:19:01,389 INFO  L87              Difference]: Start difference. First operand  has 402 states, 222 states have (on average 4.824324324324325) internal successors, (1071), 401 states have internal predecessors, (1071), 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) Second operand  has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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)
[2021-10-06 21:19:01,575 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-06 21:19:01,575 INFO  L93              Difference]: Finished difference Result 120 states and 297 transitions.
[2021-10-06 21:19:01,576 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-06 21:19:01,578 INFO  L78                 Accepts]: Start accepts. Automaton has  has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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) Word has length 2
[2021-10-06 21:19:01,578 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-06 21:19:01,591 INFO  L225             Difference]: With dead ends: 120
[2021-10-06 21:19:01,591 INFO  L226             Difference]: Without dead ends: 120
[2021-10-06 21:19:01,593 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 44.7ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12
[2021-10-06 21:19:01,608 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 120 states.
[2021-10-06 21:19:01,632 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120.
[2021-10-06 21:19:01,634 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 120 states, 87 states have (on average 3.413793103448276) internal successors, (297), 119 states have internal predecessors, (297), 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)
[2021-10-06 21:19:01,637 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 297 transitions.
[2021-10-06 21:19:01,639 INFO  L78                 Accepts]: Start accepts. Automaton has 120 states and 297 transitions. Word has length 2
[2021-10-06 21:19:01,640 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-06 21:19:01,640 INFO  L470      AbstractCegarLoop]: Abstraction has 120 states and 297 transitions.
[2021-10-06 21:19:01,641 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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)
[2021-10-06 21:19:01,641 INFO  L276                IsEmpty]: Start isEmpty. Operand 120 states and 297 transitions.
[2021-10-06 21:19:01,641 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3
[2021-10-06 21:19:01,642 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-06 21:19:01,642 INFO  L512         BasicCegarLoop]: trace histogram [1, 1]
[2021-10-06 21:19:01,651 INFO  L552       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Ended with exit code 0
[2021-10-06 21:19:01,846 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2021-10-06 21:19:01,848 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 34 more)] ===
[2021-10-06 21:19:01,849 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-06 21:19:01,849 INFO  L82        PathProgramCache]: Analyzing trace with hash 21067, now seen corresponding path program 1 times
[2021-10-06 21:19:01,850 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-10-06 21:19:01,850 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1204522442]
[2021-10-06 21:19:01,850 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-06 21:19:01,851 INFO  L170          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-10-06 21:19:01,851 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat
[2021-10-06 21:19:01,852 INFO  L229       MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (exit command is (exit), workingDir is null)
[2021-10-06 21:19:01,855 INFO  L327       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Waiting until timeout for monitored process
[2021-10-06 21:19:01,921 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-06 21:19:01,921 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-06 21:19:01,949 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-06 21:19:01,983 INFO  L133   FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2021-10-06 21:19:01,983 INFO  L626         BasicCegarLoop]: Counterexample is feasible
[2021-10-06 21:19:01,985 INFO  L764   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1REQUIRES_VIOLATION
[2021-10-06 21:19:01,988 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION
[2021-10-06 21:19:01,988 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1REQUIRES_VIOLATION
[2021-10-06 21:19:01,988 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2REQUIRES_VIOLATION
[2021-10-06 21:19:01,989 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3REQUIRES_VIOLATION
[2021-10-06 21:19:01,989 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4REQUIRES_VIOLATION
[2021-10-06 21:19:01,989 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5REQUIRES_VIOLATION
[2021-10-06 21:19:01,990 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION
[2021-10-06 21:19:01,990 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION
[2021-10-06 21:19:01,990 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2REQUIRES_VIOLATION
[2021-10-06 21:19:01,990 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3REQUIRES_VIOLATION
[2021-10-06 21:19:01,991 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4REQUIRES_VIOLATION
[2021-10-06 21:19:01,991 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5REQUIRES_VIOLATION
[2021-10-06 21:19:01,991 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION
[2021-10-06 21:19:01,991 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION
[2021-10-06 21:19:01,992 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION
[2021-10-06 21:19:01,992 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION
[2021-10-06 21:19:01,992 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION
[2021-10-06 21:19:01,992 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATION
[2021-10-06 21:19:01,993 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATION
[2021-10-06 21:19:01,993 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION
[2021-10-06 21:19:01,993 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION
[2021-10-06 21:19:01,994 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK
[2021-10-06 21:19:01,994 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK
[2021-10-06 21:19:01,994 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION
[2021-10-06 21:19:01,994 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION
[2021-10-06 21:19:01,995 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION
[2021-10-06 21:19:01,995 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1REQUIRES_VIOLATION
[2021-10-06 21:19:01,995 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2REQUIRES_VIOLATION
[2021-10-06 21:19:01,996 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3REQUIRES_VIOLATION
[2021-10-06 21:19:01,996 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err4REQUIRES_VIOLATION
[2021-10-06 21:19:01,996 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err5REQUIRES_VIOLATION
[2021-10-06 21:19:01,996 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION
[2021-10-06 21:19:01,997 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION
[2021-10-06 21:19:01,997 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2REQUIRES_VIOLATION
[2021-10-06 21:19:01,997 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3REQUIRES_VIOLATION
[2021-10-06 21:19:01,997 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err4REQUIRES_VIOLATION
[2021-10-06 21:19:01,998 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err5REQUIRES_VIOLATION
[2021-10-06 21:19:02,016 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (3)] Forceful destruction successful, exit code 0
[2021-10-06 21:19:02,214 WARN  L452      AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3
[2021-10-06 21:19:02,223 INFO  L229   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-10-06 21:19:02,223 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-06 21:19:02,256 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 09:19:02 BasicIcfg
[2021-10-06 21:19:02,256 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-06 21:19:02,258 INFO  L168              Benchmark]: Toolchain (without parser) took 27378.02 ms. Allocated memory was 151.0 MB in the beginning and 191.9 MB in the end (delta: 40.9 MB). Free memory was 125.8 MB in the beginning and 86.5 MB in the end (delta: 39.3 MB). Peak memory consumption was 81.1 MB. Max. memory is 8.0 GB.
[2021-10-06 21:19:02,259 INFO  L168              Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 151.0 MB. Free memory was 122.0 MB in the beginning and 121.9 MB in the end (delta: 96.9 kB). There was no memory consumed. Max. memory is 8.0 GB.
[2021-10-06 21:19:02,260 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 503.84 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 112.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB.
[2021-10-06 21:19:02,263 INFO  L168              Benchmark]: Boogie Procedure Inliner took 47.14 ms. Allocated memory is still 151.0 MB. Free memory was 112.5 MB in the beginning and 110.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-10-06 21:19:02,264 INFO  L168              Benchmark]: Boogie Preprocessor took 41.56 ms. Allocated memory is still 151.0 MB. Free memory was 110.7 MB in the beginning and 109.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-10-06 21:19:02,265 INFO  L168              Benchmark]: RCFGBuilder took 870.89 ms. Allocated memory is still 151.0 MB. Free memory was 109.0 MB in the beginning and 124.5 MB in the end (delta: -15.5 MB). Peak memory consumption was 13.1 MB. Max. memory is 8.0 GB.
[2021-10-06 21:19:02,266 INFO  L168              Benchmark]: TraceAbstraction took 25896.48 ms. Allocated memory was 151.0 MB in the beginning and 191.9 MB in the end (delta: 40.9 MB). Free memory was 124.0 MB in the beginning and 86.5 MB in the end (delta: 37.5 MB). Peak memory consumption was 78.4 MB. Max. memory is 8.0 GB.
[2021-10-06 21:19:02,277 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.35 ms. Allocated memory is still 151.0 MB. Free memory was 122.0 MB in the beginning and 121.9 MB in the end (delta: 96.9 kB). There was no memory consumed. Max. memory is 8.0 GB.
 * CACSL2BoogieTranslator took 503.84 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 112.5 MB in the end (delta: 12.9 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB.
 * Boogie Procedure Inliner took 47.14 ms. Allocated memory is still 151.0 MB. Free memory was 112.5 MB in the beginning and 110.7 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
 * Boogie Preprocessor took 41.56 ms. Allocated memory is still 151.0 MB. Free memory was 110.7 MB in the beginning and 109.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
 * RCFGBuilder took 870.89 ms. Allocated memory is still 151.0 MB. Free memory was 109.0 MB in the beginning and 124.5 MB in the end (delta: -15.5 MB). Peak memory consumption was 13.1 MB. Max. memory is 8.0 GB.
 * TraceAbstraction took 25896.48 ms. Allocated memory was 151.0 MB in the beginning and 191.9 MB in the end (delta: 40.9 MB). Free memory was 124.0 MB in the beginning and 86.5 MB in the end (delta: 37.5 MB). Peak memory consumption was 78.4 MB. Max. memory is 8.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 24327.8ms, 167 PlacesBefore, 47 PlacesAfterwards, 171 TransitionsBefore, 44 TransitionsAfterwards, 2700 CoEnabledTransitionPairs, 7 FixpointIterations, 95 TrivialSequentialCompositions, 67 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 11 ConcurrentYvCompositions, 7 ChoiceCompositions, 188 TotalNumberOfCompositions, 3716 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3210, positive: 3165, positive conditional: 0, positive unconditional: 3165, negative: 45, negative conditional: 0, negative unconditional: 45, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1679, positive: 1665, positive conditional: 0, positive unconditional: 1665, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1679, positive: 1665, positive conditional: 0, positive unconditional: 1665, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 1241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1241, negative conditional: 0, negative unconditional: 1241, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 3210, positive: 1500, positive conditional: 0, positive unconditional: 1500, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 1679, unknown conditional: 0, unknown unconditional: 1679] , Statistics on independence cache: Total cache size (in pairs): 105, Positive cache size: 100, Positive conditional cache size: 0, Positive unconditional cache size: 100, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5
  - 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: 107]: pointer dereference may fail
    pointer dereference may fail
We found a FailurePath: 
[L36]               int* A;
[L37]               int bag1, bag2, cap1, cap2, sum1, sum2, i, j, N;
[L76]               pthread_t t1, t2;
[L79]               bag1 = __VERIFIER_nondet_int()
[L80]               bag2 = __VERIFIER_nondet_int()
[L81]               cap1 = __VERIFIER_nondet_int()
[L82]               cap2 = __VERIFIER_nondet_int()
[L83]               sum1 = __VERIFIER_nondet_int()
[L84]               sum2 = __VERIFIER_nondet_int()
[L85]               i    = __VERIFIER_nondet_int()
[L86]               j    = __VERIFIER_nondet_int()
[L87]               N    = __VERIFIER_nondet_int()
[L33]   COND FALSE  !(!cond)
[L105]              int* arr = (int*)malloc(sizeof(int) * size);
[L106]              int i = 0;
        VAL         [A={0:0}, N=1073741824]
[L106]  COND TRUE   i < size
[L107]              arr[i] = __VERIFIER_nondet_int()

  - UnprovableResult [Line: 43]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 43]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 44]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 44]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 49]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 49]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 60]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 60]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 61]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 61]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 66]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 66]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 107]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 93]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 93]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 94]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 94]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 95]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 95]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 96]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 96]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 99]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 75]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 94]: 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: 93]: 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, 213 locations, 38 error locations. Started 1 CEGAR loops. OverallTime: 25692.1ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 10.9ms, AutomataDifference: 242.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 24421.0ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 13 SDtfs, 29 SDslu, 0 SDs, 0 SdLazy, 17 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 119.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 44.7ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=402occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 32.5ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 22.6ms SsaConstructionTime, 57.0ms SatisfiabilityAnalysisTime, 234.8ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 1 QuantifiedInterpolants, 31 SizeOfPredicates, 3 NumberOfNonLiveVariables, 44 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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!
[2021-10-06 21:19:02,342 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...