/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/two-queue.wvr.c


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


This is Ultimate 0.2.1-dev-8c2bbc9
[2021-10-06 21:34:30,237 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2021-10-06 21:34:30,242 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
[2021-10-06 21:34:30,304 INFO  L184        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2021-10-06 21:34:30,305 INFO  L181        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2021-10-06 21:34:30,313 INFO  L181        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2021-10-06 21:34:30,317 INFO  L181        SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2021-10-06 21:34:30,322 INFO  L181        SettingsManager]: Resetting LassoRanker preferences to default values
[2021-10-06 21:34:30,325 INFO  L181        SettingsManager]: Resetting Reaching Definitions preferences to default values
[2021-10-06 21:34:30,331 INFO  L181        SettingsManager]: Resetting SyntaxChecker preferences to default values
[2021-10-06 21:34:30,333 INFO  L181        SettingsManager]: Resetting Sifa preferences to default values
[2021-10-06 21:34:30,335 INFO  L184        SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2021-10-06 21:34:30,336 INFO  L181        SettingsManager]: Resetting LTL2Aut preferences to default values
[2021-10-06 21:34:30,350 INFO  L181        SettingsManager]: Resetting PEA to Boogie preferences to default values
[2021-10-06 21:34:30,353 INFO  L181        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2021-10-06 21:34:30,357 INFO  L181        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2021-10-06 21:34:30,359 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2021-10-06 21:34:30,360 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2021-10-06 21:34:30,368 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2021-10-06 21:34:30,376 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2021-10-06 21:34:30,378 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2021-10-06 21:34:30,380 INFO  L181        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2021-10-06 21:34:30,381 INFO  L181        SettingsManager]: Resetting Referee preferences to default values
[2021-10-06 21:34:30,384 INFO  L181        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2021-10-06 21:34:30,392 INFO  L184        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2021-10-06 21:34:30,393 INFO  L184        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2021-10-06 21:34:30,393 INFO  L181        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2021-10-06 21:34:30,395 INFO  L181        SettingsManager]: Resetting IcfgToChc preferences to default values
[2021-10-06 21:34:30,396 INFO  L181        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2021-10-06 21:34:30,397 INFO  L184        SettingsManager]: ReqToTest provides no preferences, ignoring...
[2021-10-06 21:34:30,397 INFO  L181        SettingsManager]: Resetting Boogie Printer preferences to default values
[2021-10-06 21:34:30,398 INFO  L181        SettingsManager]: Resetting ChcSmtPrinter preferences to default values
[2021-10-06 21:34:30,400 INFO  L181        SettingsManager]: Resetting ReqPrinter preferences to default values
[2021-10-06 21:34:30,401 INFO  L181        SettingsManager]: Resetting Witness Printer preferences to default values
[2021-10-06 21:34:30,403 INFO  L184        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2021-10-06 21:34:30,403 INFO  L181        SettingsManager]: Resetting CDTParser preferences to default values
[2021-10-06 21:34:30,404 INFO  L184        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2021-10-06 21:34:30,404 INFO  L184        SettingsManager]: ReqParser provides no preferences, ignoring...
[2021-10-06 21:34:30,405 INFO  L181        SettingsManager]: Resetting SmtParser preferences to default values
[2021-10-06 21:34:30,406 INFO  L181        SettingsManager]: Resetting Witness Parser preferences to default values
[2021-10-06 21:34:30,406 INFO  L188        SettingsManager]: Finished resetting all preferences to default values...
[2021-10-06 21:34:30,410 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 21:34:30,457 INFO  L113        SettingsManager]: Loading preferences was successful
[2021-10-06 21:34:30,458 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2021-10-06 21:34:30,459 INFO  L136        SettingsManager]: Preferences of UltimateCore differ from their defaults:
[2021-10-06 21:34:30,459 INFO  L138        SettingsManager]:  * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR;
[2021-10-06 21:34:30,463 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2021-10-06 21:34:30,464 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2021-10-06 21:34:30,464 INFO  L138        SettingsManager]:  * Use SBE=true
[2021-10-06 21:34:30,464 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2021-10-06 21:34:30,465 INFO  L138        SettingsManager]:  * sizeof long=4
[2021-10-06 21:34:30,465 INFO  L138        SettingsManager]:  * Check unreachability of error function in SV-COMP mode=false
[2021-10-06 21:34:30,466 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2021-10-06 21:34:30,466 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2021-10-06 21:34:30,467 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2021-10-06 21:34:30,467 INFO  L138        SettingsManager]:  * Check for the main procedure if all allocated memory was freed=true
[2021-10-06 21:34:30,467 INFO  L138        SettingsManager]:  * Bitprecise bitfields=true
[2021-10-06 21:34:30,467 INFO  L138        SettingsManager]:  * SV-COMP memtrack compatibility mode=true
[2021-10-06 21:34:30,467 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2021-10-06 21:34:30,468 INFO  L138        SettingsManager]:  * Adapt memory model on pointer casts if necessary=true
[2021-10-06 21:34:30,468 INFO  L138        SettingsManager]:  * Use bitvectors instead of ints=true
[2021-10-06 21:34:30,468 INFO  L138        SettingsManager]:  * Memory model=HoenickeLindenmann_4ByteResolution
[2021-10-06 21:34:30,469 INFO  L138        SettingsManager]:  * sizeof long double=12
[2021-10-06 21:34:30,469 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2021-10-06 21:34:30,469 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2021-10-06 21:34:30,469 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2021-10-06 21:34:30,469 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2021-10-06 21:34:30,470 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-06 21:34:30,470 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2021-10-06 21:34:30,470 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2021-10-06 21:34:30,470 INFO  L138        SettingsManager]:  * Trace refinement strategy=WOLF
[2021-10-06 21:34:30,470 INFO  L138        SettingsManager]:  * Command for external solver=cvc4 --incremental --print-success --lang smt
[2021-10-06 21:34:30,471 INFO  L138        SettingsManager]:  * Trace refinement exception blacklist=NONE
[2021-10-06 21:34:30,471 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2021-10-06 21:34:30,471 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$1
WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations
WARNING: All illegal access operations will be denied in a future release
[2021-10-06 21:34:30,925 INFO  L75    nceAwareModelManager]: Repository-Root is: /tmp
[2021-10-06 21:34:30,951 INFO  L261   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2021-10-06 21:34:30,954 INFO  L217   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2021-10-06 21:34:30,956 INFO  L271        PluginConnector]: Initializing CDTParser...
[2021-10-06 21:34:30,956 INFO  L275        PluginConnector]: CDTParser initialized
[2021-10-06 21:34:30,957 INFO  L432   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/weaver/popl20/two-queue.wvr.c
[2021-10-06 21:34:31,044 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c93347257/83936df85a794d948ff858091edef6fd/FLAGcb74279b5
[2021-10-06 21:34:31,728 INFO  L306              CDTParser]: Found 1 translation units.
[2021-10-06 21:34:31,728 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate-2/releaseScripts/default/sv-benchmarks/c/weaver/popl20/two-queue.wvr.c
[2021-10-06 21:34:31,739 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c93347257/83936df85a794d948ff858091edef6fd/FLAGcb74279b5
[2021-10-06 21:34:32,046 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c93347257/83936df85a794d948ff858091edef6fd
[2021-10-06 21:34:32,051 INFO  L299   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2021-10-06 21:34:32,060 INFO  L131        ToolchainWalker]: Walking toolchain with 5 elements.
[2021-10-06 21:34:32,064 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2021-10-06 21:34:32,065 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2021-10-06 21:34:32,069 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2021-10-06 21:34:32,070 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 09:34:32" (1/1) ...
[2021-10-06 21:34:32,073 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44a87586 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:32, skipping insertion in model container
[2021-10-06 21:34:32,074 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.10 09:34:32" (1/1) ...
[2021-10-06 21:34:32,084 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2021-10-06 21:34:32,119 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-06 21:34:32,425 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/two-queue.wvr.c[2797,2810]
[2021-10-06 21:34:32,440 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-06 21:34:32,469 INFO  L200         MainTranslator]: Restarting translation with changed settings: SettingsChange [mNewPreferredMemoryModel=HoenickeLindenmann_1ByteResolution]
[2021-10-06 21:34:32,485 INFO  L178         MainTranslator]: Built tables and reachable declarations
[2021-10-06 21:34:32,518 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/two-queue.wvr.c[2797,2810]
[2021-10-06 21:34:32,526 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-06 21:34:32,538 INFO  L203         MainTranslator]: Completed pre-run
[2021-10-06 21:34:32,562 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/two-queue.wvr.c[2797,2810]
[2021-10-06 21:34:32,565 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2021-10-06 21:34:32,588 INFO  L208         MainTranslator]: Completed translation
[2021-10-06 21:34:32,589 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:32 WrapperNode
[2021-10-06 21:34:32,589 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2021-10-06 21:34:32,590 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2021-10-06 21:34:32,591 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2021-10-06 21:34:32,591 INFO  L275        PluginConnector]: Boogie Procedure Inliner initialized
[2021-10-06 21:34:32,599 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:32" (1/1) ...
[2021-10-06 21:34:32,613 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:32" (1/1) ...
[2021-10-06 21:34:32,651 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2021-10-06 21:34:32,655 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2021-10-06 21:34:32,655 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2021-10-06 21:34:32,655 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2021-10-06 21:34:32,667 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:32" (1/1) ...
[2021-10-06 21:34:32,667 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:32" (1/1) ...
[2021-10-06 21:34:32,672 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:32" (1/1) ...
[2021-10-06 21:34:32,673 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:32" (1/1) ...
[2021-10-06 21:34:32,685 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:32" (1/1) ...
[2021-10-06 21:34:32,691 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:32" (1/1) ...
[2021-10-06 21:34:32,693 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:32" (1/1) ...
[2021-10-06 21:34:32,702 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2021-10-06 21:34:32,706 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2021-10-06 21:34:32,706 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2021-10-06 21:34:32,706 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2021-10-06 21:34:32,708 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:32" (1/1) ...
[2021-10-06 21:34:32,729 INFO  L170          SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2021-10-06 21:34:32,745 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3
[2021-10-06 21:34:32,766 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 21:34:32,775 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 21:34:32,833 INFO  L130     BoogieDeclarations]: Found specification of procedure thread1
[2021-10-06 21:34:32,833 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread1
[2021-10-06 21:34:32,834 INFO  L130     BoogieDeclarations]: Found specification of procedure thread2
[2021-10-06 21:34:32,834 INFO  L138     BoogieDeclarations]: Found implementation of procedure thread2
[2021-10-06 21:34:32,834 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1
[2021-10-06 21:34:32,835 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2021-10-06 21:34:32,835 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end
[2021-10-06 21:34:32,835 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin
[2021-10-06 21:34:32,835 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap
[2021-10-06 21:34:32,835 INFO  L130     BoogieDeclarations]: Found specification of procedure read~intINTTYPE4
[2021-10-06 21:34:32,835 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2021-10-06 21:34:32,835 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2021-10-06 21:34:32,836 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2021-10-06 21:34:32,836 INFO  L130     BoogieDeclarations]: Found specification of procedure write~intINTTYPE4
[2021-10-06 21:34:32,838 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 21:34:34,444 INFO  L294             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2021-10-06 21:34:34,445 INFO  L299             CfgBuilder]: Removed 30 assume(true) statements.
[2021-10-06 21:34:34,447 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 09:34:34 BoogieIcfgContainer
[2021-10-06 21:34:34,448 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2021-10-06 21:34:34,449 INFO  L113        PluginConnector]: ------------------------TraceAbstraction----------------------------
[2021-10-06 21:34:34,450 INFO  L271        PluginConnector]: Initializing TraceAbstraction...
[2021-10-06 21:34:34,453 INFO  L275        PluginConnector]: TraceAbstraction initialized
[2021-10-06 21:34:34,454 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.10 09:34:32" (1/3) ...
[2021-10-06 21:34:34,454 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581e25a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 09:34:34, skipping insertion in model container
[2021-10-06 21:34:34,455 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.10 09:34:32" (2/3) ...
[2021-10-06 21:34:34,455 INFO  L205        PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@581e25a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.10 09:34:34, skipping insertion in model container
[2021-10-06 21:34:34,455 INFO  L185        PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.10 09:34:34" (3/3) ...
[2021-10-06 21:34:34,457 INFO  L111   eAbstractionObserver]: Analyzing ICFG two-queue.wvr.c
[2021-10-06 21:34:34,463 INFO  L204   ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION
[2021-10-06 21:34:34,464 INFO  L163   ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations.
[2021-10-06 21:34:34,464 INFO  L516   ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances.
[2021-10-06 21:34:34,499 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,499 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,500 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,500 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,500 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,500 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,500 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,501 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,501 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,501 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,501 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,501 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,502 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,502 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,502 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,502 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,503 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,503 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,503 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,503 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,504 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,504 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,504 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,504 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,504 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,505 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,505 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,505 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,505 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,505 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,506 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,506 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,506 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,506 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,507 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,507 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,507 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,507 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,508 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,508 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,508 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,508 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,509 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,509 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,509 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,509 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,509 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,510 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,510 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,510 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,510 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,510 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,511 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,511 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,511 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,511 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,512 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,512 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,512 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,512 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,513 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,513 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,513 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,513 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,513 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,514 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,514 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,514 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,514 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,514 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,515 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,515 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,515 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,515 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,516 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,516 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,519 WARN  L313   ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,519 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,520 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,520 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem3| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,520 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~mem5| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,520 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post4| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,520 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,521 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,521 WARN  L313   ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post7| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,523 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,523 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem8| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,523 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post11| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,524 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post9| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,524 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~post12| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,524 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,524 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_assume_abort_if_not_#in~cond| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,524 WARN  L313   ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_assume_abort_if_not_~cond not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,525 WARN  L313   ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~mem10| not constructed by VariableManager. Cannot ensure absence of name clashes.
[2021-10-06 21:34:34,530 INFO  L148    ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions.
[2021-10-06 21:34:34,586 INFO  L338      AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ========
[2021-10-06 21:34:34,594 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 21:34:34,594 INFO  L340      AbstractCegarLoop]: Starting to check reachability of 32 error locations.
[2021-10-06 21:34:34,613 INFO  L118   etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation.
[2021-10-06 21:34:34,626 INFO  L133   etLargeBlockEncoding]: Starting large block encoding on Petri net that has 156 places, 160 transitions, 336 flow
[2021-10-06 21:34:34,629 INFO  L110        LiptonReduction]: Starting Lipton reduction on Petri net that has 156 places, 160 transitions, 336 flow
[2021-10-06 21:34:34,631 INFO  L74            FinitePrefix]: Start finitePrefix. Operand has 156 places, 160 transitions, 336 flow
[2021-10-06 21:34:34,694 INFO  L129       PetriNetUnfolder]: 11/158 cut-off events.
[2021-10-06 21:34:34,695 INFO  L130       PetriNetUnfolder]: For 2/2 co-relation queries the response was YES.
[2021-10-06 21:34:34,700 INFO  L84            FinitePrefix]: Finished finitePrefix Result has 167 conditions, 158 events. 11/158 cut-off events. For 2/2 co-relation queries the response was YES. Maximal size of possible extension queue 7. Compared 154 event pairs, 0 based on Foata normal form. 0/125 useless extension candidates. Maximal degree in co-relation 118. Up to 2 conditions per place. 
[2021-10-06 21:34:34,704 INFO  L116        LiptonReduction]: Number of co-enabled transitions 936
[2021-10-06 21:35:02,787 INFO  L131        LiptonReduction]: Checked pairs total: 1804
[2021-10-06 21:35:02,787 INFO  L133        LiptonReduction]: Total number of compositions: 169
[2021-10-06 21:35:02,797 INFO  L111   iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 46 places, 43 transitions, 102 flow
[2021-10-06 21:35:02,830 INFO  L133   iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result  has 265 states, 163 states have (on average 4.085889570552148) internal successors, (666), 264 states have internal predecessors, (666), 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 21:35:02,833 INFO  L276                IsEmpty]: Start isEmpty. Operand  has 265 states, 163 states have (on average 4.085889570552148) internal successors, (666), 264 states have internal predecessors, (666), 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 21:35:02,838 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3
[2021-10-06 21:35:02,838 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-06 21:35:02,839 INFO  L512         BasicCegarLoop]: trace histogram [1, 1]
[2021-10-06 21:35:02,840 INFO  L402      AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 28 more)] ===
[2021-10-06 21:35:02,845 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-06 21:35:02,846 INFO  L82        PathProgramCache]: Analyzing trace with hash 23400, now seen corresponding path program 1 times
[2021-10-06 21:35:02,859 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-10-06 21:35:02,859 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [661058066]
[2021-10-06 21:35:02,860 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-06 21:35:02,861 INFO  L170          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-10-06 21:35:02,861 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat
[2021-10-06 21:35:02,867 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 21:35:02,889 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 21:35:02,977 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is unsat
[2021-10-06 21:35:02,981 INFO  L263         TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 2 conjunts are in the unsatisfiable core
[2021-10-06 21:35:02,986 INFO  L286         TraceCheckSpWp]: Computing forward predicates...
[2021-10-06 21:35:03,273 INFO  L354             Elim1Store]: treesize reduction 232, result has 18.9 percent of original size
[2021-10-06 21:35:03,275 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 21:35:03,779 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 21:35:03,779 INFO  L328         TraceCheckSpWp]: Computing backward predicates...
[2021-10-06 21:35:03,785 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 21:35:03,786 INFO  L139   FreeRefinementEngine]: Strategy WOLF found an infeasible trace
[2021-10-06 21:35:03,786 INFO  L332   FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [661058066]
[2021-10-06 21:35:03,787 INFO  L160   FreeRefinementEngine]: IpTcStrategyModuleMathsat [661058066] provided 2 perfect and 0 imperfect interpolant sequences
[2021-10-06 21:35:03,787 INFO  L186   FreeRefinementEngine]: Constructing automaton from 2 perfect and 0 imperfect interpolant sequences.
[2021-10-06 21:35:03,787 INFO  L199   FreeRefinementEngine]: Number of different interpolants: perfect sequences [1, 1] imperfect sequences [] total 1
[2021-10-06 21:35:03,789 INFO  L115   tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [260797353]
[2021-10-06 21:35:03,794 INFO  L546      AbstractCegarLoop]: INTERPOLANT automaton has 3 states
[2021-10-06 21:35:03,794 INFO  L103   FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF
[2021-10-06 21:35:03,809 INFO  L143   InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants.
[2021-10-06 21:35:03,810 INFO  L145   InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-06 21:35:03,813 INFO  L87              Difference]: Start difference. First operand  has 265 states, 163 states have (on average 4.085889570552148) internal successors, (666), 264 states have internal predecessors, (666), 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 21:35:04,076 INFO  L144             Difference]: Subtrahend was deterministic. Have not used determinization.
[2021-10-06 21:35:04,076 INFO  L93              Difference]: Finished difference Result 262 states and 663 transitions.
[2021-10-06 21:35:04,077 INFO  L141   InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. 
[2021-10-06 21:35:04,078 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 21:35:04,079 INFO  L84                 Accepts]: Finished accepts. some prefix is accepted.
[2021-10-06 21:35:04,094 INFO  L225             Difference]: With dead ends: 262
[2021-10-06 21:35:04,094 INFO  L226             Difference]: Without dead ends: 262
[2021-10-06 21:35:04,096 INFO  L781         BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.3ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6
[2021-10-06 21:35:04,116 INFO  L82        GeneralOperation]: Start minimizeSevpa. Operand 262 states.
[2021-10-06 21:35:04,153 INFO  L88        GeneralOperation]: Finished minimizeSevpa. Reduced states from 262 to 262.
[2021-10-06 21:35:04,155 INFO  L82        GeneralOperation]: Start removeUnreachable. Operand  has 262 states, 163 states have (on average 4.067484662576687) internal successors, (663), 261 states have internal predecessors, (663), 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 21:35:04,160 INFO  L88        GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 663 transitions.
[2021-10-06 21:35:04,162 INFO  L78                 Accepts]: Start accepts. Automaton has 262 states and 663 transitions. Word has length 2
[2021-10-06 21:35:04,162 INFO  L84                 Accepts]: Finished accepts. word is rejected.
[2021-10-06 21:35:04,162 INFO  L470      AbstractCegarLoop]: Abstraction has 262 states and 663 transitions.
[2021-10-06 21:35:04,163 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 21:35:04,163 INFO  L276                IsEmpty]: Start isEmpty. Operand 262 states and 663 transitions.
[2021-10-06 21:35:04,163 INFO  L282                IsEmpty]: Finished isEmpty. Found accepting run of length 3
[2021-10-06 21:35:04,163 INFO  L504         BasicCegarLoop]: Found error trace
[2021-10-06 21:35:04,163 INFO  L512         BasicCegarLoop]: trace histogram [1, 1]
[2021-10-06 21:35:04,180 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 21:35:04,376 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 21:35:04,377 INFO  L402      AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1REQUIRES_VIOLATION === [thread1Err0REQUIRES_VIOLATION, thread1Err1REQUIRES_VIOLATION, thread1Err2REQUIRES_VIOLATION, thread1Err3REQUIRES_VIOLATION (and 28 more)] ===
[2021-10-06 21:35:04,378 INFO  L144       PredicateUnifier]: Initialized classic predicate unifier
[2021-10-06 21:35:04,378 INFO  L82        PathProgramCache]: Analyzing trace with hash 23402, now seen corresponding path program 1 times
[2021-10-06 21:35:04,379 INFO  L121   FreeRefinementEngine]: Executing refinement strategy WOLF
[2021-10-06 21:35:04,379 INFO  L332   FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1152511651]
[2021-10-06 21:35:04,380 INFO  L95    rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY
[2021-10-06 21:35:04,380 INFO  L170          SolverBuilder]: Constructing external solver with command: mathsat -unsat_core_generation=3
[2021-10-06 21:35:04,380 INFO  L189       MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/mathsat
[2021-10-06 21:35:04,383 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 21:35:04,385 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 21:35:04,439 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-06 21:35:04,439 INFO  L354             TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders.
[2021-10-06 21:35:04,480 INFO  L136    AnnotateAndAsserter]: Conjunction of SSA is sat
[2021-10-06 21:35:04,518 INFO  L133   FreeRefinementEngine]: Strategy WOLF found a feasible trace
[2021-10-06 21:35:04,518 INFO  L626         BasicCegarLoop]: Counterexample is feasible
[2021-10-06 21:35:04,520 INFO  L764   garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr1REQUIRES_VIOLATION
[2021-10-06 21:35:04,522 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION
[2021-10-06 21:35:04,523 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1REQUIRES_VIOLATION
[2021-10-06 21:35:04,523 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2REQUIRES_VIOLATION
[2021-10-06 21:35:04,523 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3REQUIRES_VIOLATION
[2021-10-06 21:35:04,524 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION
[2021-10-06 21:35:04,524 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION
[2021-10-06 21:35:04,524 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2REQUIRES_VIOLATION
[2021-10-06 21:35:04,524 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3REQUIRES_VIOLATION
[2021-10-06 21:35:04,525 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0REQUIRES_VIOLATION
[2021-10-06 21:35:04,525 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2REQUIRES_VIOLATION
[2021-10-06 21:35:04,525 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3REQUIRES_VIOLATION
[2021-10-06 21:35:04,525 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4REQUIRES_VIOLATION
[2021-10-06 21:35:04,526 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5REQUIRES_VIOLATION
[2021-10-06 21:35:04,526 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6REQUIRES_VIOLATION
[2021-10-06 21:35:04,526 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7REQUIRES_VIOLATION
[2021-10-06 21:35:04,526 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8REQUIRES_VIOLATION
[2021-10-06 21:35:04,527 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9REQUIRES_VIOLATION
[2021-10-06 21:35:04,527 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10REQUIRES_VIOLATION
[2021-10-06 21:35:04,527 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11REQUIRES_VIOLATION
[2021-10-06 21:35:04,527 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONMEMORY_LEAK
[2021-10-06 21:35:04,528 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr13ASSERT_VIOLATIONMEMORY_LEAK
[2021-10-06 21:35:04,528 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION
[2021-10-06 21:35:04,528 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION
[2021-10-06 21:35:04,528 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err0REQUIRES_VIOLATION
[2021-10-06 21:35:04,529 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err1REQUIRES_VIOLATION
[2021-10-06 21:35:04,529 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err2REQUIRES_VIOLATION
[2021-10-06 21:35:04,529 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread1Err3REQUIRES_VIOLATION
[2021-10-06 21:35:04,529 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err0REQUIRES_VIOLATION
[2021-10-06 21:35:04,530 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err1REQUIRES_VIOLATION
[2021-10-06 21:35:04,530 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err2REQUIRES_VIOLATION
[2021-10-06 21:35:04,530 INFO  L764   garLoopResultBuilder]: Registering result UNKNOWN for location thread2Err3REQUIRES_VIOLATION
[2021-10-06 21:35:04,552 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 21:35:04,743 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 21:35:04,752 INFO  L229   ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances
[2021-10-06 21:35:04,753 INFO  L179   ceAbstractionStarter]: Computing trace abstraction results
[2021-10-06 21:35:04,782 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.10 09:35:04 BasicIcfg
[2021-10-06 21:35:04,783 INFO  L132        PluginConnector]: ------------------------ END TraceAbstraction----------------------------
[2021-10-06 21:35:04,785 INFO  L168              Benchmark]: Toolchain (without parser) took 32730.15 ms. Allocated memory was 166.7 MB in the beginning and 200.3 MB in the end (delta: 33.6 MB). Free memory was 140.2 MB in the beginning and 106.1 MB in the end (delta: 34.1 MB). Peak memory consumption was 69.2 MB. Max. memory is 8.0 GB.
[2021-10-06 21:35:04,786 INFO  L168              Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 166.7 MB. Free memory is still 138.2 MB. There was no memory consumed. Max. memory is 8.0 GB.
[2021-10-06 21:35:04,791 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 525.29 ms. Allocated memory is still 166.7 MB. Free memory was 140.0 MB in the beginning and 127.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB.
[2021-10-06 21:35:04,798 INFO  L168              Benchmark]: Boogie Procedure Inliner took 60.94 ms. Allocated memory is still 166.7 MB. Free memory was 126.8 MB in the beginning and 124.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-10-06 21:35:04,799 INFO  L168              Benchmark]: Boogie Preprocessor took 47.02 ms. Allocated memory is still 166.7 MB. Free memory was 124.7 MB in the beginning and 123.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
[2021-10-06 21:35:04,802 INFO  L168              Benchmark]: RCFGBuilder took 1741.81 ms. Allocated memory is still 166.7 MB. Free memory was 123.0 MB in the beginning and 123.2 MB in the end (delta: -213.5 kB). Peak memory consumption was 16.4 MB. Max. memory is 8.0 GB.
[2021-10-06 21:35:04,804 INFO  L168              Benchmark]: TraceAbstraction took 30333.21 ms. Allocated memory was 166.7 MB in the beginning and 200.3 MB in the end (delta: 33.6 MB). Free memory was 122.7 MB in the beginning and 106.1 MB in the end (delta: 16.6 MB). Peak memory consumption was 50.7 MB. Max. memory is 8.0 GB.
[2021-10-06 21:35:04,814 INFO  L339   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.23 ms. Allocated memory is still 166.7 MB. Free memory is still 138.2 MB. There was no memory consumed. Max. memory is 8.0 GB.
 * CACSL2BoogieTranslator took 525.29 ms. Allocated memory is still 166.7 MB. Free memory was 140.0 MB in the beginning and 127.0 MB in the end (delta: 13.0 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB.
 * Boogie Procedure Inliner took 60.94 ms. Allocated memory is still 166.7 MB. Free memory was 126.8 MB in the beginning and 124.7 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
 * Boogie Preprocessor took 47.02 ms. Allocated memory is still 166.7 MB. Free memory was 124.7 MB in the beginning and 123.0 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB.
 * RCFGBuilder took 1741.81 ms. Allocated memory is still 166.7 MB. Free memory was 123.0 MB in the beginning and 123.2 MB in the end (delta: -213.5 kB). Peak memory consumption was 16.4 MB. Max. memory is 8.0 GB.
 * TraceAbstraction took 30333.21 ms. Allocated memory was 166.7 MB in the beginning and 200.3 MB in the end (delta: 33.6 MB). Free memory was 122.7 MB in the beginning and 106.1 MB in the end (delta: 16.6 MB). Peak memory consumption was 50.7 MB. Max. memory is 8.0 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction:
  - StatisticsResult: PetriNetLargeBlockEncoding benchmarks
    Lipton Reduction Statistics: ReductionTime: 28158.7ms, 156 PlacesBefore, 46 PlacesAfterwards, 160 TransitionsBefore, 43 TransitionsAfterwards, 936 CoEnabledTransitionPairs, 7 FixpointIterations, 112 TrivialSequentialCompositions, 33 ConcurrentSequentialCompositions, 13 TrivialYvCompositions, 4 ConcurrentYvCompositions, 7 ChoiceCompositions, 169 TotalNumberOfCompositions, 1804 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 1330, positive: 1280, positive conditional: 0, positive unconditional: 1280, negative: 50, negative conditional: 0, negative unconditional: 50, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 550, positive: 536, positive conditional: 0, positive unconditional: 536, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 550, positive: 520, positive conditional: 0, positive unconditional: 520, negative: 30, negative conditional: 0, negative unconditional: 30, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 30, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 3580, positive: 2920, positive conditional: 0, positive unconditional: 2920, negative: 659, negative conditional: 0, negative unconditional: 659, unknown: 0, unknown conditional: 0, unknown unconditional: 0]  ], Cache Queries: [ total: 1330, positive: 744, positive conditional: 0, positive unconditional: 744, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 550, unknown conditional: 0, unknown unconditional: 550] , Statistics on independence cache: Total cache size (in pairs): 84, Positive cache size: 79, Positive conditional cache size: 0, Positive unconditional cache size: 79, Negative cache size: 5, Negative conditional cache size: 0, Negative unconditional cache size: 5
  - StatisticsResult: ErrorAutomatonStatistics
    NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0
  - CounterExampleResult [Line: 103]: pointer dereference may fail
    pointer dereference may fail
We found a FailurePath: 
[L38]               int *q1, *q2;
[L39]               int q1_front, q1_back, q2_front, q2_back, i, j, n1, n2, N;
[L76]               pthread_t t1, t2;
[L78]               N = __VERIFIER_nondet_int()
[L79]               n1 = __VERIFIER_nondet_int()
[L80]               n2 = __VERIFIER_nondet_int()
[L81]               q1_front = __VERIFIER_nondet_int()
[L82]               q1_back = q1_front
[L83]               q2_front = __VERIFIER_nondet_int()
[L84]               q2_back = q2_front
[L35]   COND FALSE  !(!cond)
[L101]              int* arr = (int*)malloc(sizeof(int) * size);
[L102]              int i = 0;
        VAL         [i=0, j=0, n1=1073741824, q1={0:0}, q1_back=3, q1_front=3, q2={0:0}, q2_back=5, q2_front=5]
[L102]  COND TRUE   i < size
[L103]              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: 52]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 52]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 63]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 63]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 68]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 68]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 103]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 103]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 103]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 89]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 89]: 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: 91]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 91]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 92]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 92]: Unable to prove that pointer dereference always succeeds
    Unable to prove that pointer dereference always succeeds
 Reason: Not analyzed. 
  - UnprovableResult [Line: 95]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 75]: Unable to prove that all allocated memory was freed
    Unable to prove that all allocated memory was freed
 Reason: Not analyzed. 
  - UnprovableResult [Line: 89]: 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: 90]: 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, 176 locations, 32 error locations. Started 1 CEGAR loops. OverallTime: 30164.2ms, OverallIterations: 2, TraceHistogramMax: 1, EmptinessCheckTime: 8.8ms, AutomataDifference: 300.9ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 28235.3ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 13 SDtfs, 35 SDslu, 0 SDs, 0 SdLazy, 24 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 197.8ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.3ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=265occurred 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: 49.1ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 21.1ms SsaConstructionTime, 45.8ms SatisfiabilityAnalysisTime, 806.7ms InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 16 SizeOfPredicates, 4 NumberOfNonLiveVariables, 41 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 21:35:04,886 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...