/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/popl20/simple-queue.wvr.c


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


This is Ultimate 0.2.1-dev-8c2bbc9
[2021-10-06 21:33:59,360 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-06 21:33:59,364 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-06 21:33:59,421 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-06 21:33:59,422 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-06 21:33:59,428 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
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[2021-10-06 21:33:59,483 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-06 21:33:59,484 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-06 21:33:59,485 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-06 21:33:59,486 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-06 21:33:59,489 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-06 21:33:59,491 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-06 21:33:59,493 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-06 21:33:59,494 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-06 21:33:59,496 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-06 21:33:59,497 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-06 21:33:59,500 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-10-06 21:33:59,501 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-06 21:33:59,502 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
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[2021-10-06 21:33:59,503 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-06 21:33:59,504 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-06 21:33:59,505 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
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[2021-10-06 21:33:59,507 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-06 21:33:59,508 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-06 21:33:59,508 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
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[2021-10-06 21:33:59,510 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2021-10-06 21:33:59,512 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-06 21:33:59,513 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 21:33:59,540 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-06 21:33:59,540 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-06 21:33:59,541 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-06 21:33:59,541 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-06 21:33:59,542 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-06 21:33:59,543 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-06 21:33:59,543 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-06 21:33:59,543 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-06 21:33:59,543 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-06 21:33:59,544 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-06 21:33:59,544 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-06 21:33:59,544 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-06 21:33:59,544 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-06 21:33:59,544 INFO  L138        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2021-10-06 21:33:59,544 INFO  L138        SettingsManager]:  * Bitprecise bitfields=true
[2021-10-06 21:33:59,545 INFO  L138        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2021-10-06 21:33:59,545 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-06 21:33:59,545 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2021-10-06 21:33:59,545 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2021-10-06 21:33:59,545 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2021-10-06 21:33:59,546 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-06 21:33:59,546 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-06 21:33:59,546 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-06 21:33:59,546 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-06 21:33:59,546 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-06 21:33:59,547 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-06 21:33:59,547 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-06 21:33:59,547 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-06 21:33:59,547 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2021-10-06 21:33:59,547 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2021-10-06 21:33:59,548 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-06 21:33:59,548 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-10-06 21:33:59,548 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-10-06 21:33:59,928 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-06 21:33:59,958 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-06 21:33:59,961 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-06 21:33:59,962 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-06 21:33:59,963 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-06 21:33:59,964 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20/simple-queue.wvr.c
[2021-10-06 21:34:00,046 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/edf614730/39a8443c849c4db0a729a180842ef5fe/FLAGc3985cb26
[2021-10-06 21:34:00,582 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-06 21:34:00,582 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20/simple-queue.wvr.c
[2021-10-06 21:34:00,591 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/edf614730/39a8443c849c4db0a729a180842ef5fe/FLAGc3985cb26
[2021-10-06 21:34:00,949 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/edf614730/39a8443c849c4db0a729a180842ef5fe
[2021-10-06 21:34:00,960 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-06 21:34:00,970 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2021-10-06 21:34:00,974 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-06 21:34:00,975 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-06 21:34:00,979 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-06 21:34:00,980 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 09:34:00" (1/1) ...
[2021-10-06 21:34:00,983 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e212248 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:00, skipping insertion in model container
[2021-10-06 21:34:00,983 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 09:34:00" (1/1) ...
[2021-10-06 21:34:00,994 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-06 21:34:01,048 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-06 21:34:01,319 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/popl20/simple-queue.wvr.c[2248,2261]
[2021-10-06 21:34:01,328 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-06 21:34:01,344 INFO  L200         MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2021-10-06 21:34:01,349 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-06 21:34:01,363 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/popl20/simple-queue.wvr.c[2248,2261]
[2021-10-06 21:34:01,367 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-06 21:34:01,374 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-06 21:34:01,425 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/popl20/simple-queue.wvr.c[2248,2261]
[2021-10-06 21:34:01,431 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-06 21:34:01,466 INFO  L208         MainTranslator]: Completed translation
[2021-10-06 21:34:01,466 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:01 WrapperNode
[2021-10-06 21:34:01,467 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-06 21:34:01,468 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-06 21:34:01,469 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-06 21:34:01,469 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-06 21:34:01,478 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:01" (1/1) ...
[2021-10-06 21:34:01,512 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:01" (1/1) ...
[2021-10-06 21:34:01,584 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-06 21:34:01,585 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-06 21:34:01,585 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-06 21:34:01,586 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-06 21:34:01,614 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:01" (1/1) ...
[2021-10-06 21:34:01,614 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:01" (1/1) ...
[2021-10-06 21:34:01,626 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:01" (1/1) ...
[2021-10-06 21:34:01,627 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:01" (1/1) ...
[2021-10-06 21:34:01,653 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:01" (1/1) ...
[2021-10-06 21:34:01,662 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:01" (1/1) ...
[2021-10-06 21:34:01,667 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:01" (1/1) ...
[2021-10-06 21:34:01,678 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-06 21:34:01,680 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-06 21:34:01,683 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-06 21:34:01,683 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-06 21:34:01,685 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:01" (1/1) ...
[2021-10-06 21:34:01,697 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-06 21:34:01,712 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-06 21:34:01,733 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 21:34:01,758 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 21:34:01,806 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-10-06 21:34:01,806 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-10-06 21:34:01,807 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-10-06 21:34:01,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-10-06 21:34:01,807 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2021-10-06 21:34:01,807 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-06 21:34:01,810 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-10-06 21:34:01,811 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-10-06 21:34:01,811 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-10-06 21:34:01,811 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2021-10-06 21:34:01,811 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-06 21:34:01,811 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-06 21:34:01,811 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-06 21:34:01,812 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2021-10-06 21:34:01,814 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 21:34:02,762 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-06 21:34:02,762 INFO  L299             CfgBuilder]: Removed 19 assume(true) statements.
[2021-10-06 21:34:02,765 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 09:34:02 BoogieIcfgContainer
[2021-10-06 21:34:02,765 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-06 21:34:02,767 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-06 21:34:02,767 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-06 21:34:02,771 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-06 21:34:02,771 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 09:34:00" (1/3) ...
[2021-10-06 21:34:02,772 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec23072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 09:34:02, skipping insertion in model container
[2021-10-06 21:34:02,772 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:01" (2/3) ...
[2021-10-06 21:34:02,773 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ec23072 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 09:34:02, skipping insertion in model container
[2021-10-06 21:34:02,773 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 09:34:02" (3/3) ...
[2021-10-06 21:34:02,774 INFO  L111   eAbstractionObserver]: Analyzing ICFG simple-queue.wvr.c
[2021-10-06 21:34:02,780 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-06 21:34:02,781 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations.
[2021-10-06 21:34:02,781 INFO  L516   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-06 21:34:02,814 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,814 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,814 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,814 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,815 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,815 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,815 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,815 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,816 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,816 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,816 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,816 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,817 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,817 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,817 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,817 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,818 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,818 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,818 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,818 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,818 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,819 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,819 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,819 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,820 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,820 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,820 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,820 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,821 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,821 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,821 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,821 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,821 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,822 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,822 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,822 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,822 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,823 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,823 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,823 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,823 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,824 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,824 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,824 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,824 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,825 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,825 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,825 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,828 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,829 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,829 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,829 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,829 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,830 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,830 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,832 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,833 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,833 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,833 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,833 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,833 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,834 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:02,838 INFO  L148    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2021-10-06 21:34:02,890 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-06 21:34:02,898 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 21:34:02,899 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 22 error locations.
[2021-10-06 21:34:02,915 INFO  L118   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-10-06 21:34:02,927 INFO  L133   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 111 places, 112 transitions, 240 flow
[2021-10-06 21:34:02,930 INFO  L110        LiptonReduction]: Starting Lipton reduction on Petri net that has 111 places, 112 transitions, 240 flow
[2021-10-06 21:34:02,932 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 111 places, 112 transitions, 240 flow
[2021-10-06 21:34:02,984 INFO  L129       PetriNetUnfolder]: 8/110 cut-off events.
[2021-10-06 21:34:02,985 INFO  L130       PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2021-10-06 21:34:02,989 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 119 conditions, 110 events. 8/110 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 5. Compared 98 event pairs, 0 based on Foata normal form. 0/86 useless extension candidates. Maximal degree in co-relation 74. Up to 2 conditions per place. 
[2021-10-06 21:34:02,992 INFO  L116        LiptonReduction]: Number of co-enabled transitions 576
[2021-10-06 21:34:16,111 INFO  L131        LiptonReduction]: Checked pairs total: 778
[2021-10-06 21:34:16,111 INFO  L133        LiptonReduction]: Total number of compositions: 115
[2021-10-06 21:34:16,121 INFO  L111   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 37 places, 33 transitions, 82 flow
[2021-10-06 21:34:16,139 INFO  L133   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 106 states, 62 states have (on average 4.048387096774194) internal successors, (251), 105 states have internal predecessors, (251), 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 21:34:16,142 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 106 states, 62 states have (on average 4.048387096774194) internal successors, (251), 105 states have internal predecessors, (251), 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 21:34:16,147 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3
[2021-10-06 21:34:16,147 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-06 21:34:16,148 INFO  L512         BasicCegarLoop]: trace histogram [1, 1]
[2021-10-06 21:34:16,148 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread2Err0REQUIRES_VIOLATION, thread2Err1REQUIRES_VIOLATION (and 18 more)] ===
[2021-10-06 21:34:16,154 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-06 21:34:16,155 INFO  L82        PathProgramCache]: Analyzing trace with hash 15729, now seen corresponding path program 1 times
[2021-10-06 21:34:16,167 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-10-06 21:34:16,168 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [68159981]
[2021-10-06 21:34:16,168 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-06 21:34:16,169 INFO  L170          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-10-06 21:34:16,170 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat
[2021-10-06 21:34:16,172 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 21:34:16,175 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 21:34:16,240 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-06 21:34:16,244 INFO  L263         TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-10-06 21:34:16,249 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-06 21:34:16,359 INFO  L354             Elim1Store]: treesize reduction 38, result has 30.9 percent of original size
[2021-10-06 21:34:16,360 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 2 case distinctions, treesize of input 12 treesize of output 22
[2021-10-06 21:34:16,426 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 21:34:16,427 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-10-06 21:34:16,440 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 21:34:16,441 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-10-06 21:34:16,441 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [68159981]
[2021-10-06 21:34:16,442 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [68159981] provided 2 perfect and 0 imperfect interpolant sequences
[2021-10-06 21:34:16,442 INFO  L186   FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2021-10-06 21:34:16,443 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1
[2021-10-06 21:34:16,448 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1223264500]
[2021-10-06 21:34:16,467 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-06 21:34:16,468 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-10-06 21:34:16,509 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-06 21:34:16,510 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-06 21:34:16,515 INFO  L87              Difference]: Start difference. First operand  has 106 states, 62 states have (on average 4.048387096774194) internal successors, (251), 105 states have internal predecessors, (251), 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 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 21:34:16,662 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-06 21:34:16,663 INFO  L93              Difference]: Finished difference Result 104 states and 249 transitions.
[2021-10-06 21:34:16,663 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-06 21:34:16,665 INFO  L78                 Accepts]: Start accepts. Automaton has  has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 21:34:16,665 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-06 21:34:16,675 INFO  L225             Difference]: With dead ends: 104
[2021-10-06 21:34:16,676 INFO  L226             Difference]: Without dead ends: 104
[2021-10-06 21:34:16,677 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-06 21:34:16,693 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 104 states.
[2021-10-06 21:34:16,716 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104.
[2021-10-06 21:34:16,719 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 104 states, 62 states have (on average 4.016129032258065) internal successors, (249), 103 states have internal predecessors, (249), 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 21:34:16,722 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 249 transitions.
[2021-10-06 21:34:16,723 INFO  L78                 Accepts]: Start accepts. Automaton has 104 states and 249 transitions. Word has length 2
[2021-10-06 21:34:16,724 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-06 21:34:16,724 INFO  L470      AbstractCegarLoop]: Abstraction has 104 states and 249 transitions.
[2021-10-06 21:34:16,724 INFO  L471      AbstractCegarLoop]: INTERPOLANT automaton has  has 3 states, 2 states have (on average 1.0) internal successors, (2), 2 states have internal predecessors, (2), 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 21:34:16,725 INFO  L276                IsEmpty]: Start isEmpty. Operand 104 states and 249 transitions.
[2021-10-06 21:34:16,725 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3
[2021-10-06 21:34:16,725 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-06 21:34:16,725 INFO  L512         BasicCegarLoop]: trace histogram [1, 1]
[2021-10-06 21:34:16,741 INFO  L540       MonitoredProcess]: [MP /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0
[2021-10-06 21:34:16,940 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 21:34:16,941 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread2Err0REQUIRES_VIOLATION, thread2Err1REQUIRES_VIOLATION (and 18 more)] ===
[2021-10-06 21:34:16,942 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-06 21:34:16,943 INFO  L82        PathProgramCache]: Analyzing trace with hash 15730, now seen corresponding path program 1 times
[2021-10-06 21:34:16,944 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-10-06 21:34:16,945 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [576855817]
[2021-10-06 21:34:16,945 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-06 21:34:16,945 INFO  L170          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-10-06 21:34:16,946 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat
[2021-10-06 21:34:16,947 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 21:34:16,955 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 21:34:17,006 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-06 21:34:17,006 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-06 21:34:17,036 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-06 21:34:17,069 INFO  L133   FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2021-10-06 21:34:17,070 INFO  L626         BasicCegarLoop]: Counterexample is feasible
[2021-10-06 21:34:17,072 INFO  L764   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1REQUIRES_VIOLATION
[2021-10-06 21:34:17,074 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION
[2021-10-06 21:34:17,074 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1REQUIRES_VIOLATION
[2021-10-06 21:34:17,075 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION
[2021-10-06 21:34:17,075 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION
[2021-10-06 21:34:17,075 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION
[2021-10-06 21:34:17,075 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION
[2021-10-06 21:34:17,076 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION
[2021-10-06 21:34:17,076 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION
[2021-10-06 21:34:17,076 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION
[2021-10-06 21:34:17,076 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATION
[2021-10-06 21:34:17,077 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATION
[2021-10-06 21:34:17,077 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION
[2021-10-06 21:34:17,077 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION
[2021-10-06 21:34:17,077 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONMEMORY_LEAK
[2021-10-06 21:34:17,078 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONMEMORY_LEAK
[2021-10-06 21:34:17,078 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION
[2021-10-06 21:34:17,078 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION
[2021-10-06 21:34:17,078 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION
[2021-10-06 21:34:17,079 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1REQUIRES_VIOLATION
[2021-10-06 21:34:17,079 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION
[2021-10-06 21:34:17,079 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION
[2021-10-06 21:34:17,093 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 21:34:17,292 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 21:34:17,300 INFO  L229   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-10-06 21:34:17,300 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-06 21:34:17,318 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 09:34:17 BasicIcfg
[2021-10-06 21:34:17,319 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-06 21:34:17,320 INFO  L168              Benchmark]: Toolchain (without parser) took 16357.49 ms. Allocated memory was 167.8 MB in the beginning and 201.3 MB in the end (delta: 33.6 MB). Free memory was 122.0 MB in the beginning and 82.4 MB in the end (delta: 39.6 MB). Peak memory consumption was 73.9 MB. Max. memory is 8.0 GB.
[2021-10-06 21:34:17,321 INFO  L168              Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 167.8 MB. Free memory is still 138.5 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-10-06 21:34:17,322 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 492.94 ms. Allocated memory is still 167.8 MB. Free memory was 121.7 MB in the beginning and 139.9 MB in the end (delta: -18.2 MB). Peak memory consumption was 6.9 MB. Max. memory is 8.0 GB.
[2021-10-06 21:34:17,323 INFO  L168              Benchmark]: Boogie Procedure Inliner took 116.20 ms. Allocated memory is still 167.8 MB. Free memory was 139.9 MB in the beginning and 150.9 MB in the end (delta: -11.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 8.0 GB.
[2021-10-06 21:34:17,323 INFO  L168              Benchmark]: Boogie Preprocessor took 93.37 ms. Allocated memory is still 167.8 MB. Free memory was 150.9 MB in the beginning and 149.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-10-06 21:34:17,329 INFO  L168              Benchmark]: RCFGBuilder took 1085.76 ms. Allocated memory is still 167.8 MB. Free memory was 149.2 MB in the beginning and 125.8 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB.
[2021-10-06 21:34:17,330 INFO  L168              Benchmark]: TraceAbstraction took 14551.78 ms. Allocated memory was 167.8 MB in the beginning and 201.3 MB in the end (delta: 33.6 MB). Free memory was 125.1 MB in the beginning and 82.4 MB in the end (delta: 42.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 8.0 GB.
[2021-10-06 21:34:17,335 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.22 ms. Allocated memory is still 167.8 MB. Free memory is still 138.5 MB. There was no memory consumed. Max. memory is 8.0 GB.
 * CACSL2BoogieTranslator took 492.94 ms. Allocated memory is still 167.8 MB. Free memory was 121.7 MB in the beginning and 139.9 MB in the end (delta: -18.2 MB). Peak memory consumption was 6.9 MB. Max. memory is 8.0 GB.
 * Boogie Procedure Inliner took 116.20 ms. Allocated memory is still 167.8 MB. Free memory was 139.9 MB in the beginning and 150.9 MB in the end (delta: -11.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 8.0 GB.
 * Boogie Preprocessor took 93.37 ms. Allocated memory is still 167.8 MB. Free memory was 150.9 MB in the beginning and 149.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
 * RCFGBuilder took 1085.76 ms. Allocated memory is still 167.8 MB. Free memory was 149.2 MB in the beginning and 125.8 MB in the end (delta: 23.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB.
 * TraceAbstraction took 14551.78 ms. Allocated memory was 167.8 MB in the beginning and 201.3 MB in the end (delta: 33.6 MB). Free memory was 125.1 MB in the beginning and 82.4 MB in the end (delta: 42.7 MB). Peak memory consumption was 76.7 MB. Max. memory is 8.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 13181.6ms, 111 PlacesBefore, 37 PlacesAfterwards, 112 TransitionsBefore, 33 TransitionsAfterwards, 576 CoEnabledTransitionPairs, 7 FixpointIterations, 71 TrivialSequentialCompositions, 30 ConcurrentSequentialCompositions, 6 TrivialYvCompositions, 3 ConcurrentYvCompositions, 5 ChoiceCompositions, 115 TotalNumberOfCompositions, 778 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 732, positive: 718, positive conditional: 0, positive unconditional: 718, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 303, positive: 300, positive conditional: 0, positive unconditional: 300, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 303, positive: 300, positive conditional: 0, positive unconditional: 300, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 3, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 133, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 133, negative conditional: 0, negative unconditional: 133, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 732, positive: 418, positive conditional: 0, positive unconditional: 418, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 303, unknown conditional: 0, unknown unconditional: 303] , Statistics on independence cache: Total cache size (in pairs): 38, Positive cache size: 37, Positive conditional cache size: 0, Positive unconditional cache size: 37, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1
  - 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: 87]: pointer dereference may fail
    pointer dereference may fail
We found a FailurePath: 
[L38]              int *queue;
[L39]              int front, back, x, n;
[L64]              pthread_t t1, t2;
[L66]              x = 5
[L67]              n = __VERIFIER_nondet_int()
[L68]              front = __VERIFIER_nondet_int()
[L69]              back = front
[L35]  COND FALSE  !(!cond)
[L85]              int* arr = (int*)malloc(sizeof(int) * size);
[L86]              int i = 0;
       VAL         [back=6, front=6, n=1073741824, queue={0:0}, x=5]
[L86]  COND TRUE   i < size
[L87]              arr[i] = __VERIFIER_nondet_int()

  - UnprovableResult [Line: 47]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 47]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 57]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 57]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 87]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 73]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 73]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 74]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 74]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 75]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 75]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 76]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 76]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 79]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 63]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 73]: 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: 74]: 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, 123 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 14408.6ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 8.4ms, AutomataDifference: 208.6ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13240.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 13 SDtfs, 27 SDslu, 0 SDs, 0 SdLazy, 15 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 85.2ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.2ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=106occurred 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: 33.3ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 19.4ms SsaConstructionTime, 48.0ms SatisfiabilityAnalysisTime, 198.6ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 3 NumberOfNonLiveVariables, 37 ConjunctsInSsa, 2 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 21:34:17,385 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...