java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/ldv-regression/test29-2.c


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This is Ultimate 0.1.24-f4eb214f-m
[2019-10-14 00:37:12,346 INFO  L177        SettingsManager]: Resetting all preferences to default values...
[2019-10-14 00:37:12,351 INFO  L181        SettingsManager]: Resetting UltimateCore preferences to default values
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[2019-10-14 00:37:12,379 INFO  L181        SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-14 00:37:12,380 INFO  L181        SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-14 00:37:12,382 INFO  L181        SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-14 00:37:12,384 INFO  L181        SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-14 00:37:12,386 INFO  L181        SettingsManager]: Resetting InvariantSynthesis preferences to default values
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[2019-10-14 00:37:12,404 INFO  L101        SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf
[2019-10-14 00:37:12,425 INFO  L113        SettingsManager]: Loading preferences was successful
[2019-10-14 00:37:12,425 INFO  L115        SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-14 00:37:12,427 INFO  L136        SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-14 00:37:12,427 INFO  L138        SettingsManager]:  * Create parallel compositions if possible=false
[2019-10-14 00:37:12,427 INFO  L138        SettingsManager]:  * Use SBE=true
[2019-10-14 00:37:12,428 INFO  L136        SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-14 00:37:12,428 INFO  L138        SettingsManager]:  * sizeof long=4
[2019-10-14 00:37:12,428 INFO  L138        SettingsManager]:  * Overapproximate operations on floating types=true
[2019-10-14 00:37:12,428 INFO  L138        SettingsManager]:  * sizeof POINTER=4
[2019-10-14 00:37:12,428 INFO  L138        SettingsManager]:  * Check division by zero=IGNORE
[2019-10-14 00:37:12,430 INFO  L138        SettingsManager]:  * Pointer to allocated memory at dereference=IGNORE
[2019-10-14 00:37:12,430 INFO  L138        SettingsManager]:  * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-14 00:37:12,430 INFO  L138        SettingsManager]:  * Check array bounds for arrays that are off heap=IGNORE
[2019-10-14 00:37:12,430 INFO  L138        SettingsManager]:  * sizeof long double=12
[2019-10-14 00:37:12,431 INFO  L138        SettingsManager]:  * Check if freed pointer was valid=false
[2019-10-14 00:37:12,431 INFO  L138        SettingsManager]:  * Use constant arrays=true
[2019-10-14 00:37:12,431 INFO  L138        SettingsManager]:  * Pointer base address is valid at dereference=IGNORE
[2019-10-14 00:37:12,431 INFO  L136        SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-14 00:37:12,431 INFO  L138        SettingsManager]:  * Size of a code block=SequenceOfStatements
[2019-10-14 00:37:12,432 INFO  L138        SettingsManager]:  * To the following directory=./dump/
[2019-10-14 00:37:12,432 INFO  L138        SettingsManager]:  * SMT solver=External_DefaultMode
[2019-10-14 00:37:12,432 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-14 00:37:12,433 INFO  L136        SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-14 00:37:12,433 INFO  L138        SettingsManager]:  * Compute Interpolants along a Counterexample=FPandBP
[2019-10-14 00:37:12,433 INFO  L138        SettingsManager]:  * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-14 00:37:12,433 INFO  L138        SettingsManager]:  * Trace refinement strategy=CAMEL
[2019-10-14 00:37:12,434 INFO  L138        SettingsManager]:  * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-14 00:37:12,434 INFO  L138        SettingsManager]:  * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-14 00:37:12,434 INFO  L138        SettingsManager]:  * SMT solver=External_ModelsAndUnsatCoreMode
Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain
[2019-10-14 00:37:12,701 INFO  L81    nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-14 00:37:12,721 INFO  L258   ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-14 00:37:12,725 INFO  L214   ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-14 00:37:12,726 INFO  L271        PluginConnector]: Initializing CDTParser...
[2019-10-14 00:37:12,727 INFO  L275        PluginConnector]: CDTParser initialized
[2019-10-14 00:37:12,728 INFO  L428   ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test29-2.c
[2019-10-14 00:37:12,799 INFO  L220              CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1036da08b/1868a4bad4cd46aba7362819a6ad9942/FLAGdf753f6fc
[2019-10-14 00:37:13,245 INFO  L306              CDTParser]: Found 1 translation units.
[2019-10-14 00:37:13,247 INFO  L160              CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test29-2.c
[2019-10-14 00:37:13,254 INFO  L349              CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1036da08b/1868a4bad4cd46aba7362819a6ad9942/FLAGdf753f6fc
[2019-10-14 00:37:13,642 INFO  L357              CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1036da08b/1868a4bad4cd46aba7362819a6ad9942
[2019-10-14 00:37:13,655 INFO  L296   ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-14 00:37:13,657 INFO  L131        ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-14 00:37:13,658 INFO  L113        PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-14 00:37:13,658 INFO  L271        PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-14 00:37:13,661 INFO  L275        PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-14 00:37:13,662 INFO  L185        PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:37:13" (1/1) ...
[2019-10-14 00:37:13,665 INFO  L205        PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d60e989 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:13, skipping insertion in model container
[2019-10-14 00:37:13,665 INFO  L185        PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:37:13" (1/1) ...
[2019-10-14 00:37:13,672 INFO  L142         MainTranslator]: Starting translation in SV-COMP mode 
[2019-10-14 00:37:13,690 INFO  L173         MainTranslator]: Built tables and reachable declarations
[2019-10-14 00:37:13,861 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-14 00:37:13,871 INFO  L188         MainTranslator]: Completed pre-run
[2019-10-14 00:37:13,884 INFO  L206          PostProcessor]: Analyzing one entry point: main
[2019-10-14 00:37:13,896 INFO  L192         MainTranslator]: Completed translation
[2019-10-14 00:37:13,897 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:13 WrapperNode
[2019-10-14 00:37:13,897 INFO  L132        PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-14 00:37:13,898 INFO  L113        PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-14 00:37:13,898 INFO  L271        PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-14 00:37:13,898 INFO  L275        PluginConnector]: Boogie Preprocessor initialized
[2019-10-14 00:37:13,985 INFO  L185        PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:13" (1/1) ...
[2019-10-14 00:37:13,985 INFO  L185        PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:13" (1/1) ...
[2019-10-14 00:37:13,992 INFO  L185        PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:13" (1/1) ...
[2019-10-14 00:37:13,992 INFO  L185        PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:13" (1/1) ...
[2019-10-14 00:37:13,998 INFO  L185        PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:13" (1/1) ...
[2019-10-14 00:37:14,002 INFO  L185        PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:13" (1/1) ...
[2019-10-14 00:37:14,003 INFO  L185        PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:13" (1/1) ...
[2019-10-14 00:37:14,005 INFO  L132        PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-14 00:37:14,006 INFO  L113        PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-14 00:37:14,006 INFO  L271        PluginConnector]: Initializing RCFGBuilder...
[2019-10-14 00:37:14,006 INFO  L275        PluginConnector]: RCFGBuilder initialized
[2019-10-14 00:37:14,007 INFO  L185        PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:37:13" (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
[2019-10-14 00:37:14,057 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-14 00:37:14,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-14 00:37:14,058 INFO  L138     BoogieDeclarations]: Found implementation of procedure main
[2019-10-14 00:37:14,059 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-14 00:37:14,059 INFO  L130     BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-14 00:37:14,059 INFO  L130     BoogieDeclarations]: Found specification of procedure main
[2019-10-14 00:37:14,059 INFO  L130     BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack
[2019-10-14 00:37:14,060 INFO  L130     BoogieDeclarations]: Found specification of procedure write~int
[2019-10-14 00:37:14,060 INFO  L130     BoogieDeclarations]: Found specification of procedure read~int
[2019-10-14 00:37:14,060 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2019-10-14 00:37:14,061 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-14 00:37:14,062 INFO  L130     BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-14 00:37:14,278 INFO  L279             CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-14 00:37:14,279 INFO  L284             CfgBuilder]: Removed 0 assume(true) statements.
[2019-10-14 00:37:14,280 INFO  L202        PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:37:14 BoogieIcfgContainer
[2019-10-14 00:37:14,281 INFO  L132        PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-14 00:37:14,288 INFO  L113        PluginConnector]: ------------------------Abstract Interpretation----------------------------
[2019-10-14 00:37:14,289 INFO  L271        PluginConnector]: Initializing Abstract Interpretation...
[2019-10-14 00:37:14,289 INFO  L275        PluginConnector]: Abstract Interpretation initialized
[2019-10-14 00:37:14,294 INFO  L185        PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:37:14" (1/1) ...
[2019-10-14 00:37:14,368 INFO  L101         FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)
[2019-10-14 00:37:14,449 INFO  L266    AbstractInterpreter]: Error location(s) were unreachable
[2019-10-14 00:37:14,454 INFO  L272    AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 15 root evaluator evaluations with a maximum evaluation depth of 0. Performed 15 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 25 variables.
[2019-10-14 00:37:14,454 INFO  L132        PluginConnector]: ------------------------ END Abstract Interpretation----------------------------
[2019-10-14 00:37:14,457 INFO  L168              Benchmark]: Toolchain (without parser) took 798.97 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 103.4 MB in the beginning and 160.7 MB in the end (delta: -57.3 MB). Peak memory consumption was 6.1 MB. Max. memory is 7.1 GB.
[2019-10-14 00:37:14,458 INFO  L168              Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
[2019-10-14 00:37:14,460 INFO  L168              Benchmark]: CACSL2BoogieTranslator took 239.43 ms. Allocated memory is still 138.4 MB. Free memory was 103.2 MB in the beginning and 93.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB.
[2019-10-14 00:37:14,461 INFO  L168              Benchmark]: Boogie Preprocessor took 107.92 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 93.3 MB in the beginning and 179.5 MB in the end (delta: -86.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB.
[2019-10-14 00:37:14,462 INFO  L168              Benchmark]: RCFGBuilder took 274.88 ms. Allocated memory is still 201.9 MB. Free memory was 179.5 MB in the beginning and 166.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB.
[2019-10-14 00:37:14,463 INFO  L168              Benchmark]: Abstract Interpretation took 165.76 ms. Allocated memory is still 201.9 MB. Free memory was 166.1 MB in the beginning and 160.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB.
[2019-10-14 00:37:14,470 INFO  L335   ainManager$Toolchain]: #######################  End [Toolchain 1] #######################
 --- Results ---
 * Results from de.uni_freiburg.informatik.ultimate.core:
  - StatisticsResult: Toolchain Benchmarks
    Benchmark results are:
 * CDTParser took 0.19 ms. Allocated memory is still 138.4 MB. Free memory was 121.7 MB in the beginning and 121.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB.
 * CACSL2BoogieTranslator took 239.43 ms. Allocated memory is still 138.4 MB. Free memory was 103.2 MB in the beginning and 93.3 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB.
 * Boogie Preprocessor took 107.92 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 93.3 MB in the beginning and 179.5 MB in the end (delta: -86.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB.
 * RCFGBuilder took 274.88 ms. Allocated memory is still 201.9 MB. Free memory was 179.5 MB in the beginning and 166.1 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB.
 * Abstract Interpretation took 165.76 ms. Allocated memory is still 201.9 MB. Free memory was 166.1 MB in the beginning and 160.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 7.1 GB.
 * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2:
  - AllSpecificationsHoldResult: All specifications hold
    1 specifications checked. All of them hold
  - PositiveResult [Line: 27]: call of __VERIFIER_error() unreachable
    For all program executions holds that call of __VERIFIER_error() unreachable at this location
RESULT: Ultimate proved your program to be correct!
Received shutdown request...