java -ea -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc ../../../trunk/examples/toolchains/C-BIN-BPP-RCFG.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread-divine/ring_2w1r_true-unreach-call.i


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This is Ultimate 0.1.23-078a9b7
[2018-11-22 02:47:31,288 INFO  L170        SettingsManager]: Resetting all preferences to default values...
[2018-11-22 02:47:31,290 INFO  L174        SettingsManager]: Resetting UltimateCore preferences to default values
[2018-11-22 02:47:31,302 INFO  L177        SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-11-22 02:47:31,303 INFO  L174        SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-11-22 02:47:31,304 INFO  L174        SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-11-22 02:47:31,305 INFO  L174        SettingsManager]: Resetting Abstract Interpretation preferences to default values
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[2018-11-22 02:47:31,313 INFO  L174        SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-11-22 02:47:31,315 INFO  L174        SettingsManager]: Resetting ChcToBoogie preferences to default values
[2018-11-22 02:47:31,315 INFO  L174        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-11-22 02:47:31,316 INFO  L174        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-11-22 02:47:31,318 INFO  L174        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-11-22 02:47:31,320 INFO  L174        SettingsManager]: Resetting CodeCheck preferences to default values
[2018-11-22 02:47:31,322 INFO  L174        SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-11-22 02:47:31,323 INFO  L174        SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-11-22 02:47:31,325 INFO  L174        SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-11-22 02:47:31,327 INFO  L177        SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-11-22 02:47:31,328 INFO  L177        SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-11-22 02:47:31,328 INFO  L174        SettingsManager]: Resetting TreeAutomizer preferences to default values
[2018-11-22 02:47:31,329 INFO  L174        SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-11-22 02:47:31,330 INFO  L174        SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-11-22 02:47:31,331 INFO  L174        SettingsManager]: Resetting ReqPrinter preferences to default values
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[2018-11-22 02:47:31,334 INFO  L177        SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-11-22 02:47:31,334 INFO  L174        SettingsManager]: Resetting CDTParser preferences to default values
[2018-11-22 02:47:31,335 INFO  L177        SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
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[2018-11-22 02:47:31,335 INFO  L174        SettingsManager]: Resetting SmtParser preferences to default values
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[2018-11-22 02:47:31,337 INFO  L181        SettingsManager]: Finished resetting all preferences to default values...
[2018-11-22 02:47:31,337 INFO  L98         SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2018-11-22 02:47:31,353 INFO  L110        SettingsManager]: Loading preferences was successful
[2018-11-22 02:47:31,354 INFO  L112        SettingsManager]: Preferences different from defaults after loading the file:
[2018-11-22 02:47:31,355 INFO  L131        SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults:
[2018-11-22 02:47:31,355 INFO  L133        SettingsManager]:  * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS
[2018-11-22 02:47:31,355 INFO  L131        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-11-22 02:47:31,356 INFO  L133        SettingsManager]:  * Create parallel compositions if possible=false
[2018-11-22 02:47:31,356 INFO  L133        SettingsManager]:  * Use SBE=true
[2018-11-22 02:47:31,356 INFO  L131        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-11-22 02:47:31,356 INFO  L133        SettingsManager]:  * sizeof long=4
[2018-11-22 02:47:31,356 INFO  L133        SettingsManager]:  * Overapproximate operations on floating types=true
[2018-11-22 02:47:31,357 INFO  L133        SettingsManager]:  * sizeof POINTER=4
[2018-11-22 02:47:31,357 INFO  L133        SettingsManager]:  * Check division by zero=IGNORE
[2018-11-22 02:47:31,357 INFO  L133        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2018-11-22 02:47:31,357 INFO  L133        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-11-22 02:47:31,357 INFO  L133        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2018-11-22 02:47:31,358 INFO  L133        SettingsManager]:  * sizeof long double=12
[2018-11-22 02:47:31,358 INFO  L133        SettingsManager]:  * Check if freed pointer was valid=false
[2018-11-22 02:47:31,358 INFO  L133        SettingsManager]:  * Use constant arrays=true
[2018-11-22 02:47:31,358 INFO  L133        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2018-11-22 02:47:31,358 INFO  L131        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-11-22 02:47:31,359 INFO  L133        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2018-11-22 02:47:31,359 INFO  L133        SettingsManager]:  * To the following directory=./dump/
[2018-11-22 02:47:31,359 INFO  L133        SettingsManager]:  * SMT solver=External_DefaultMode
[2018-11-22 02:47:31,359 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-11-22 02:47:31,359 INFO  L131        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-11-22 02:47:31,360 INFO  L133        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2018-11-22 02:47:31,360 INFO  L133        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2018-11-22 02:47:31,360 INFO  L133        SettingsManager]:  * Trace refinement strategy=CAMEL
[2018-11-22 02:47:31,360 INFO  L133        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
[2018-11-22 02:47:31,360 INFO  L133        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2018-11-22 02:47:31,361 INFO  L133        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2018-11-22 02:47:31,427 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2018-11-22 02:47:31,440 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2018-11-22 02:47:31,444 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2018-11-22 02:47:31,446 INFO  L271        PluginConnector]: Initializing CDTParser...
[2018-11-22 02:47:31,446 INFO  L276        PluginConnector]: CDTParser initialized
[2018-11-22 02:47:31,447 INFO  L418   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-divine/ring_2w1r_true-unreach-call.i
[2018-11-22 02:47:31,510 INFO  L221              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e7cf909e/75dafda612204d6c9a6ca6ed907b7d68/FLAGfbbef67eb
[2018-11-22 02:47:32,121 INFO  L307              CDTParser]: Found 1 translation units.
[2018-11-22 02:47:32,122 INFO  L161              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-divine/ring_2w1r_true-unreach-call.i
[2018-11-22 02:47:32,144 INFO  L355              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e7cf909e/75dafda612204d6c9a6ca6ed907b7d68/FLAGfbbef67eb
[2018-11-22 02:47:32,354 INFO  L363              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e7cf909e/75dafda612204d6c9a6ca6ed907b7d68
[2018-11-22 02:47:32,365 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-11-22 02:47:32,367 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2018-11-22 02:47:32,369 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-11-22 02:47:32,369 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-11-22 02:47:32,373 INFO  L276        PluginConnector]: CACSL2BoogieTranslator initialized
[2018-11-22 02:47:32,375 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:47:32" (1/1) ...
[2018-11-22 02:47:32,378 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@684bb0ac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:32, skipping insertion in model container
[2018-11-22 02:47:32,378 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 02:47:32" (1/1) ...
[2018-11-22 02:47:32,389 INFO  L145         MainTranslator]: Starting translation in SV-COMP mode 
[2018-11-22 02:47:32,461 INFO  L176         MainTranslator]: Built tables and reachable declarations
[2018-11-22 02:47:32,682 WARN  L613        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2018-11-22 02:47:33,086 INFO  L201          PostProcessor]: Analyzing one entry point: main
[2018-11-22 02:47:33,103 INFO  L191         MainTranslator]: Completed pre-run
[2018-11-22 02:47:33,220 WARN  L613        FunctionHandler]: implicit declaration of function __builtin_bswap16
[2018-11-22 02:47:33,305 INFO  L201          PostProcessor]: Analyzing one entry point: main
[2018-11-22 02:47:33,545 INFO  L195         MainTranslator]: Completed translation
[2018-11-22 02:47:33,545 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:33 WrapperNode
[2018-11-22 02:47:33,545 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-11-22 02:47:33,546 INFO  L113        PluginConnector]: ------------------------Boogie Procedure Inliner----------------------------
[2018-11-22 02:47:33,546 INFO  L271        PluginConnector]: Initializing Boogie Procedure Inliner...
[2018-11-22 02:47:33,547 INFO  L276        PluginConnector]: Boogie Procedure Inliner initialized
[2018-11-22 02:47:33,556 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:33" (1/1) ...
[2018-11-22 02:47:33,599 INFO  L185        PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:33" (1/1) ...
[2018-11-22 02:47:33,668 INFO  L132        PluginConnector]: ------------------------ END Boogie Procedure Inliner----------------------------
[2018-11-22 02:47:33,669 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-11-22 02:47:33,669 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2018-11-22 02:47:33,669 INFO  L276        PluginConnector]: Boogie Preprocessor initialized
[2018-11-22 02:47:33,682 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:33" (1/1) ...
[2018-11-22 02:47:33,683 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:33" (1/1) ...
[2018-11-22 02:47:33,697 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:33" (1/1) ...
[2018-11-22 02:47:33,698 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:33" (1/1) ...
[2018-11-22 02:47:33,726 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:33" (1/1) ...
[2018-11-22 02:47:33,736 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:33" (1/1) ...
[2018-11-22 02:47:33,739 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:33" (1/1) ...
[2018-11-22 02:47:33,742 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-11-22 02:47:33,743 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-11-22 02:47:33,743 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2018-11-22 02:47:33,743 INFO  L276        PluginConnector]: RCFGBuilder initialized
[2018-11-22 02:47:33,744 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 02:47:33" (1/1) ...
No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3
Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null)
Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-11-22 02:47:33,807 INFO  L130     BoogieDeclarations]: Found specification of procedure reader_two
[2018-11-22 02:47:33,807 INFO  L138     BoogieDeclarations]: Found implementation of procedure reader_two
[2018-11-22 02:47:33,807 INFO  L130     BoogieDeclarations]: Found specification of procedure writer_fn
[2018-11-22 02:47:33,808 INFO  L138     BoogieDeclarations]: Found implementation of procedure writer_fn
[2018-11-22 02:47:33,808 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-11-22 02:47:33,808 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-11-22 02:47:33,810 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2018-11-22 02:47:33,810 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2018-11-22 02:47:33,810 INFO  L130     BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock
[2018-11-22 02:47:33,810 INFO  L130     BoogieDeclarations]: Found specification of procedure write~init~int
[2018-11-22 02:47:33,811 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-11-22 02:47:33,811 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-11-22 02:47:33,814 WARN  L194             CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement
[2018-11-22 02:47:35,660 INFO  L271             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-11-22 02:47:35,661 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 02:47:35 BoogieIcfgContainer
[2018-11-22 02:47:35,661 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-11-22 02:47:35,664 INFO  L168              Benchmark]: Toolchain (without parser) took 3298.30 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 737.7 MB). Free memory was 1.4 GB in the beginning and 2.1 GB in the end (delta: -656.4 MB). Peak memory consumption was 81.3 MB. Max. memory is 7.1 GB.
[2018-11-22 02:47:35,666 INFO  L168              Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB.
[2018-11-22 02:47:35,667 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 1177.06 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 737.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -733.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB.
[2018-11-22 02:47:35,668 INFO  L168              Benchmark]: Boogie Procedure Inliner took 122.13 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB.
[2018-11-22 02:47:35,668 INFO  L168              Benchmark]: Boogie Preprocessor took 74.03 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB.
[2018-11-22 02:47:35,669 INFO  L168              Benchmark]: RCFGBuilder took 1918.50 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 76.8 MB). Peak memory consumption was 76.8 MB. Max. memory is 7.1 GB.
[2018-11-22 02:47:35,673 INFO  L336   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - GenericResult: Assertions are enabled
    Assertions are enabled
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 1177.06 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 737.7 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -733.2 MB). Peak memory consumption was 39.2 MB. Max. memory is 7.1 GB.
 * Boogie Procedure Inliner took 122.13 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 74.03 ms. Allocated memory is still 2.3 GB. Free memory is still 2.2 GB. There was no memory consumed. Max. memory is 7.1 GB.
 * RCFGBuilder took 1918.50 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 76.8 MB). Peak memory consumption was 76.8 MB. Max. memory is 7.1 GB.
RESULT: Ultimate could not prove your program: Toolchain returned no result.
Received shutdown request...