/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/array-eq-symm.wvr.c


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


This is Ultimate 0.2.1-dev-8c2bbc9
[2021-10-06 20:56:55,136 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-06 20:56:55,140 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-06 20:56:55,210 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-06 20:56:55,210 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-06 20:56:55,212 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-06 20:56:55,214 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2021-10-06 20:56:55,224 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
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[2021-10-06 20:56:55,229 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-06 20:56:55,231 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-06 20:56:55,232 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-06 20:56:55,234 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-06 20:56:55,237 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-06 20:56:55,239 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-06 20:56:55,240 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-06 20:56:55,258 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-06 20:56:55,259 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-06 20:56:55,264 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2021-10-06 20:56:55,265 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-06 20:56:55,266 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
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[2021-10-06 20:56:55,268 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-06 20:56:55,268 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
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[2021-10-06 20:56:55,271 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-06 20:56:55,273 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
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[2021-10-06 20:56:55,275 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
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[2021-10-06 20:56:55,277 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-06 20:56:55,278 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 20:56:55,337 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-06 20:56:55,337 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-06 20:56:55,338 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-06 20:56:55,338 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-06 20:56:55,342 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-06 20:56:55,342 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-06 20:56:55,342 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-06 20:56:55,343 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-06 20:56:55,344 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-06 20:56:55,344 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-06 20:56:55,345 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-06 20:56:55,346 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-06 20:56:55,346 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-06 20:56:55,346 INFO  L138        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2021-10-06 20:56:55,346 INFO  L138        SettingsManager]:  * Bitprecise bitfields=true
[2021-10-06 20:56:55,346 INFO  L138        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2021-10-06 20:56:55,347 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-06 20:56:55,347 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2021-10-06 20:56:55,347 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2021-10-06 20:56:55,347 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2021-10-06 20:56:55,347 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-06 20:56:55,348 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-06 20:56:55,348 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-06 20:56:55,348 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-06 20:56:55,348 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-06 20:56:55,349 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-06 20:56:55,349 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-06 20:56:55,349 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-06 20:56:55,349 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2021-10-06 20:56:55,350 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2021-10-06 20:56:55,350 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-06 20:56:55,350 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-10-06 20:56:55,351 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-10-06 20:56:55,825 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-06 20:56:55,856 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-06 20:56:55,860 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-06 20:56:55,861 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-06 20:56:55,862 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-06 20:56:55,863 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/array-eq-symm.wvr.c
[2021-10-06 20:56:55,946 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06801867f/ec838cd0719d4b368cca7ebaa30601d2/FLAGb777e32ac
[2021-10-06 20:56:56,564 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-06 20:56:56,565 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/array-eq-symm.wvr.c
[2021-10-06 20:56:56,581 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06801867f/ec838cd0719d4b368cca7ebaa30601d2/FLAGb777e32ac
[2021-10-06 20:56:56,928 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/06801867f/ec838cd0719d4b368cca7ebaa30601d2
[2021-10-06 20:56:56,933 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-06 20:56:56,944 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2021-10-06 20:56:56,946 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-06 20:56:56,946 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-06 20:56:56,950 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-06 20:56:56,952 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 08:56:56" (1/1) ...
[2021-10-06 20:56:56,954 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b375d94 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:56, skipping insertion in model container
[2021-10-06 20:56:56,954 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 08:56:56" (1/1) ...
[2021-10-06 20:56:56,965 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-06 20:56:56,995 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-06 20:56:57,243 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/array-eq-symm.wvr.c[2094,2107]
[2021-10-06 20:56:57,269 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-06 20:56:57,296 INFO  L200         MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2021-10-06 20:56:57,311 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-06 20:56:57,349 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/array-eq-symm.wvr.c[2094,2107]
[2021-10-06 20:56:57,357 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-06 20:56:57,370 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-06 20:56:57,419 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/array-eq-symm.wvr.c[2094,2107]
[2021-10-06 20:56:57,428 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-06 20:56:57,458 INFO  L208         MainTranslator]: Completed translation
[2021-10-06 20:56:57,459 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:57 WrapperNode
[2021-10-06 20:56:57,459 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-06 20:56:57,460 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-06 20:56:57,461 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-06 20:56:57,461 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-06 20:56:57,471 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:57" (1/1) ...
[2021-10-06 20:56:57,485 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:57" (1/1) ...
[2021-10-06 20:56:57,513 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-06 20:56:57,514 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-06 20:56:57,514 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-06 20:56:57,515 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-06 20:56:57,528 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:57" (1/1) ...
[2021-10-06 20:56:57,528 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:57" (1/1) ...
[2021-10-06 20:56:57,533 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:57" (1/1) ...
[2021-10-06 20:56:57,533 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:57" (1/1) ...
[2021-10-06 20:56:57,543 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:57" (1/1) ...
[2021-10-06 20:56:57,549 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:57" (1/1) ...
[2021-10-06 20:56:57,554 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:57" (1/1) ...
[2021-10-06 20:56:57,561 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-06 20:56:57,565 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-06 20:56:57,566 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-06 20:56:57,566 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-06 20:56:57,567 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:57" (1/1) ...
[2021-10-06 20:56:57,578 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-06 20:56:57,591 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-06 20:56:57,610 INFO  L229       MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
[2021-10-06 20:56:57,635 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 20:56:57,682 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-10-06 20:56:57,683 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-10-06 20:56:57,683 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-10-06 20:56:57,683 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-10-06 20:56:57,683 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2021-10-06 20:56:57,684 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-06 20:56:57,686 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-10-06 20:56:57,686 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2021-10-06 20:56:57,686 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-06 20:56:57,687 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-06 20:56:57,687 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-06 20:56:57,687 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2021-10-06 20:56:57,690 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 20:56:58,509 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-06 20:56:58,509 INFO  L299             CfgBuilder]: Removed 18 assume(true) statements.
[2021-10-06 20:56:58,512 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 08:56:58 BoogieIcfgContainer
[2021-10-06 20:56:58,516 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-06 20:56:58,521 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-06 20:56:58,521 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-06 20:56:58,528 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-06 20:56:58,529 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 08:56:56" (1/3) ...
[2021-10-06 20:56:58,530 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1465fb74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 08:56:58, skipping insertion in model container
[2021-10-06 20:56:58,530 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 08:56:57" (2/3) ...
[2021-10-06 20:56:58,534 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1465fb74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 08:56:58, skipping insertion in model container
[2021-10-06 20:56:58,534 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 08:56:58" (3/3) ...
[2021-10-06 20:56:58,536 INFO  L111   eAbstractionObserver]: Analyzing ICFG array-eq-symm.wvr.c
[2021-10-06 20:56:58,554 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-06 20:56:58,554 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations.
[2021-10-06 20:56:58,555 INFO  L516   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-06 20:56:58,599 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,599 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,599 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,600 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,600 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,600 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,601 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,601 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,602 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,602 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,602 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,603 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,603 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,603 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,603 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,603 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,604 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,604 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,604 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,604 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,604 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,605 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,605 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,605 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,605 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,606 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,606 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,606 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,606 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,607 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,608 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,608 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,608 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,608 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,609 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,609 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,610 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,610 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,611 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,611 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,611 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,612 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,612 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,612 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,612 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,612 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,613 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,613 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,613 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,613 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,614 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,614 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,614 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,614 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,615 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,615 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,615 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,615 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,615 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,616 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,620 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,620 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,620 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~mem7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,621 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,621 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,627 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,627 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,627 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~mem4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,628 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,628 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 20:56:58,634 INFO  L148    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2021-10-06 20:56:58,692 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-06 20:56:58,701 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 20:56:58,701 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 32 error locations.
[2021-10-06 20:56:58,723 INFO  L118   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-10-06 20:56:58,740 INFO  L133   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 155 places, 161 transitions, 338 flow
[2021-10-06 20:56:58,743 INFO  L110        LiptonReduction]: Starting Lipton reduction on Petri net that has 155 places, 161 transitions, 338 flow
[2021-10-06 20:56:58,746 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 155 places, 161 transitions, 338 flow
[2021-10-06 20:56:58,827 INFO  L129       PetriNetUnfolder]: 13/159 cut-off events.
[2021-10-06 20:56:58,828 INFO  L130       PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2021-10-06 20:56:58,835 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 168 conditions, 159 events. 13/159 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 9. Compared 216 event pairs, 0 based on Foata normal form. 0/124 useless extension candidates. Maximal degree in co-relation 112. Up to 3 conditions per place. 
[2021-10-06 20:56:58,840 INFO  L116        LiptonReduction]: Number of co-enabled transitions 1720
[2021-10-06 20:57:21,602 INFO  L131        LiptonReduction]: Checked pairs total: 2405
[2021-10-06 20:57:21,602 INFO  L133        LiptonReduction]: Total number of compositions: 175
[2021-10-06 20:57:21,615 INFO  L111   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 45 places, 43 transitions, 102 flow
[2021-10-06 20:57:21,646 INFO  L133   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 233 states, 131 states have (on average 4.648854961832061) internal successors, (609), 232 states have internal predecessors, (609), 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 20:57:21,651 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 233 states, 131 states have (on average 4.648854961832061) internal successors, (609), 232 states have internal predecessors, (609), 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 20:57:21,661 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3
[2021-10-06 20:57:21,662 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-06 20:57:21,662 INFO  L512         BasicCegarLoop]: trace histogram [1, 1]
[2021-10-06 20:57:21,663 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 28 more)] ===
[2021-10-06 20:57:21,668 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-06 20:57:21,669 INFO  L82        PathProgramCache]: Analyzing trace with hash 19890, now seen corresponding path program 1 times
[2021-10-06 20:57:21,682 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-10-06 20:57:21,683 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [956592758]
[2021-10-06 20:57:21,683 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-06 20:57:21,684 INFO  L170          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-10-06 20:57:21,684 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat
[2021-10-06 20:57:21,687 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 20:57:21,699 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 20:57:21,785 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-06 20:57:21,789 INFO  L263         TraceCheckSpWp]: Trace formula consists of 39 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-10-06 20:57:21,794 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-06 20:57:22,025 INFO  L354             Elim1Store]: treesize reduction 232, result has 18.9 percent of original size
[2021-10-06 20:57:22,027 INFO  L388             Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 5 case distinctions, treesize of input 21 treesize of output 59
[2021-10-06 20:57:22,568 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 20:57:22,568 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-10-06 20:57:22,574 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 20:57:22,575 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-10-06 20:57:22,575 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [956592758]
[2021-10-06 20:57:22,576 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [956592758] provided 2 perfect and 0 imperfect interpolant sequences
[2021-10-06 20:57:22,576 INFO  L186   FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2021-10-06 20:57:22,577 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1
[2021-10-06 20:57:22,578 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939081069]
[2021-10-06 20:57:22,583 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-06 20:57:22,584 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-10-06 20:57:22,604 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-06 20:57:22,605 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-06 20:57:22,611 INFO  L87              Difference]: Start difference. First operand  has 233 states, 131 states have (on average 4.648854961832061) internal successors, (609), 232 states have internal predecessors, (609), 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 20:57:22,848 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-06 20:57:22,849 INFO  L93              Difference]: Finished difference Result 230 states and 606 transitions.
[2021-10-06 20:57:22,849 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-06 20:57:22,851 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 20:57:22,851 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-06 20:57:22,869 INFO  L225             Difference]: With dead ends: 230
[2021-10-06 20:57:22,869 INFO  L226             Difference]: Without dead ends: 230
[2021-10-06 20:57:22,870 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.4ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-06 20:57:22,905 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 230 states.
[2021-10-06 20:57:22,944 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 230.
[2021-10-06 20:57:22,946 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 230 states, 131 states have (on average 4.625954198473282) internal successors, (606), 229 states have internal predecessors, (606), 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 20:57:22,951 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 606 transitions.
[2021-10-06 20:57:22,953 INFO  L78                 Accepts]: Start accepts. Automaton has 230 states and 606 transitions. Word has length 2
[2021-10-06 20:57:22,953 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-06 20:57:22,954 INFO  L470      AbstractCegarLoop]: Abstraction has 230 states and 606 transitions.
[2021-10-06 20:57:22,954 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 20:57:22,954 INFO  L276                IsEmpty]: Start isEmpty. Operand 230 states and 606 transitions.
[2021-10-06 20:57:22,955 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3
[2021-10-06 20:57:22,955 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-06 20:57:22,955 INFO  L512         BasicCegarLoop]: trace histogram [1, 1]
[2021-10-06 20:57:22,968 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 20:57:23,156 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 20:57:23,157 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 28 more)] ===
[2021-10-06 20:57:23,158 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-06 20:57:23,158 INFO  L82        PathProgramCache]: Analyzing trace with hash 19892, now seen corresponding path program 1 times
[2021-10-06 20:57:23,160 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-10-06 20:57:23,160 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [681398736]
[2021-10-06 20:57:23,160 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-06 20:57:23,164 INFO  L170          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-10-06 20:57:23,164 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat
[2021-10-06 20:57:23,167 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 20:57:23,207 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 20:57:23,249 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-06 20:57:23,250 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-06 20:57:23,289 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-06 20:57:23,335 INFO  L133   FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2021-10-06 20:57:23,335 INFO  L626         BasicCegarLoop]: Counterexample is feasible
[2021-10-06 20:57:23,337 INFO  L764   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1REQUIRES_VIOLATION
[2021-10-06 20:57:23,339 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION
[2021-10-06 20:57:23,340 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1REQUIRES_VIOLATION
[2021-10-06 20:57:23,340 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2REQUIRES_VIOLATION
[2021-10-06 20:57:23,340 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3REQUIRES_VIOLATION
[2021-10-06 20:57:23,340 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION
[2021-10-06 20:57:23,341 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION
[2021-10-06 20:57:23,341 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2REQUIRES_VIOLATION
[2021-10-06 20:57:23,341 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3REQUIRES_VIOLATION
[2021-10-06 20:57:23,341 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION
[2021-10-06 20:57:23,342 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION
[2021-10-06 20:57:23,342 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION
[2021-10-06 20:57:23,342 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION
[2021-10-06 20:57:23,342 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION
[2021-10-06 20:57:23,343 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATION
[2021-10-06 20:57:23,343 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATION
[2021-10-06 20:57:23,343 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION
[2021-10-06 20:57:23,343 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION
[2021-10-06 20:57:23,343 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATION
[2021-10-06 20:57:23,344 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATION
[2021-10-06 20:57:23,344 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK
[2021-10-06 20:57:23,344 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK
[2021-10-06 20:57:23,345 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION
[2021-10-06 20:57:23,345 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION
[2021-10-06 20:57:23,345 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION
[2021-10-06 20:57:23,345 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1REQUIRES_VIOLATION
[2021-10-06 20:57:23,346 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2REQUIRES_VIOLATION
[2021-10-06 20:57:23,346 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3REQUIRES_VIOLATION
[2021-10-06 20:57:23,346 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION
[2021-10-06 20:57:23,346 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION
[2021-10-06 20:57:23,347 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2REQUIRES_VIOLATION
[2021-10-06 20:57:23,347 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3REQUIRES_VIOLATION
[2021-10-06 20:57:23,362 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 20:57:23,559 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 20:57:23,567 INFO  L229   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-10-06 20:57:23,567 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-06 20:57:23,585 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 08:57:23 BasicIcfg
[2021-10-06 20:57:23,586 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-06 20:57:23,587 INFO  L168              Benchmark]: Toolchain (without parser) took 26650.74 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 125.7 MB in the beginning and 146.2 MB in the end (delta: -20.5 MB). Peak memory consumption was 12.0 MB. Max. memory is 8.0 GB.
[2021-10-06 20:57:23,588 INFO  L168              Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory was 123.8 MB in the beginning and 123.7 MB in the end (delta: 77.7 kB). There was no memory consumed. Max. memory is 8.0 GB.
[2021-10-06 20:57:23,589 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 513.50 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 113.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB.
[2021-10-06 20:57:23,590 INFO  L168              Benchmark]: Boogie Procedure Inliner took 52.57 ms. Allocated memory is still 151.0 MB. Free memory was 113.1 MB in the beginning and 111.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-10-06 20:57:23,590 INFO  L168              Benchmark]: Boogie Preprocessor took 47.46 ms. Allocated memory is still 151.0 MB. Free memory was 111.3 MB in the beginning and 109.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
[2021-10-06 20:57:23,591 INFO  L168              Benchmark]: RCFGBuilder took 950.85 ms. Allocated memory is still 151.0 MB. Free memory was 109.7 MB in the beginning and 125.4 MB in the end (delta: -15.8 MB). Peak memory consumption was 13.9 MB. Max. memory is 8.0 GB.
[2021-10-06 20:57:23,592 INFO  L168              Benchmark]: TraceAbstraction took 25064.97 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 125.4 MB in the beginning and 146.2 MB in the end (delta: -20.8 MB). Peak memory consumption was 11.7 MB. Max. memory is 8.0 GB.
[2021-10-06 20:57:23,596 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.24 ms. Allocated memory is still 151.0 MB. Free memory was 123.8 MB in the beginning and 123.7 MB in the end (delta: 77.7 kB). There was no memory consumed. Max. memory is 8.0 GB.
 * CACSL2BoogieTranslator took 513.50 ms. Allocated memory is still 151.0 MB. Free memory was 125.4 MB in the beginning and 113.1 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB.
 * Boogie Procedure Inliner took 52.57 ms. Allocated memory is still 151.0 MB. Free memory was 113.1 MB in the beginning and 111.4 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
 * Boogie Preprocessor took 47.46 ms. Allocated memory is still 151.0 MB. Free memory was 111.3 MB in the beginning and 109.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB.
 * RCFGBuilder took 950.85 ms. Allocated memory is still 151.0 MB. Free memory was 109.7 MB in the beginning and 125.4 MB in the end (delta: -15.8 MB). Peak memory consumption was 13.9 MB. Max. memory is 8.0 GB.
 * TraceAbstraction took 25064.97 ms. Allocated memory was 151.0 MB in the beginning and 182.5 MB in the end (delta: 31.5 MB). Free memory was 125.4 MB in the beginning and 146.2 MB in the end (delta: -20.8 MB). Peak memory consumption was 11.7 MB. Max. memory is 8.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 22859.0ms, 155 PlacesBefore, 45 PlacesAfterwards, 161 TransitionsBefore, 43 TransitionsAfterwards, 1720 CoEnabledTransitionPairs, 6 FixpointIterations, 96 TrivialSequentialCompositions, 52 ConcurrentSequentialCompositions, 11 TrivialYvCompositions, 8 ConcurrentYvCompositions, 8 ChoiceCompositions, 175 TotalNumberOfCompositions, 2405 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 2033, positive: 1994, positive conditional: 0, positive unconditional: 1994, negative: 39, negative conditional: 0, negative unconditional: 39, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1111, positive: 1096, positive conditional: 0, positive unconditional: 1096, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1111, positive: 1096, positive conditional: 0, positive unconditional: 1096, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 15, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 903, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 903, negative conditional: 0, negative unconditional: 903, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 2033, positive: 898, positive conditional: 0, positive unconditional: 898, negative: 24, negative conditional: 0, negative unconditional: 24, unknown: 1111, unknown conditional: 0, unknown unconditional: 1111] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 80, Positive conditional cache size: 0, Positive unconditional cache size: 80, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4
  - 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: 90]: pointer dereference may fail
    pointer dereference may fail
We found a FailurePath: 
[L37]              int *A, *B;
[L38]              int i_AB, i_BA, An, Bn;
[L67]              pthread_t t1, t2;
[L70]              An = __VERIFIER_nondet_int()
[L71]              Bn = __VERIFIER_nondet_int()
[L34]  COND FALSE  !(!cond)
[L88]              int* arr = (int*)malloc(sizeof(int) * size);
[L89]              int i = 0;
       VAL         [A={0:0}, An=1073741824, B={0:0}, i_AB=0, i_BA=0]
[L89]  COND TRUE   i < size
[L90]              arr[i] = __VERIFIER_nondet_int()

  - 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: 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: 56]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 56]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 56]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 56]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 90]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 90]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 90]: 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: 77]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 77]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 78]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 78]: 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 pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 79]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 82]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 66]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 76]: 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: 77]: 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, 187 locations, 32 error locations. Started 1 CEGAR loops. OverallTime: 24873.7ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 15.5ms, AutomataDifference: 286.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 22945.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 12 SDtfs, 35 SDslu, 0 SDs, 0 SdLazy, 25 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 165.3ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 17.4ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=233occurred 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: 69.6ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 28.9ms SsaConstructionTime, 64.6ms SatisfiabilityAnalysisTime, 787.7ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 4 NumberOfNonLiveVariables, 39 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 20:57:23,647 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...