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/loop-invgen/sendmail-close-angle.i
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This is Ultimate 0.1.24-f4eb214f-m
[2019-10-14 00:39:03,029 INFO L177 SettingsManager]: Resetting all preferences to default values...
[2019-10-14 00:39:03,031 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values
[2019-10-14 00:39:03,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2019-10-14 00:39:03,045 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2019-10-14 00:39:03,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2019-10-14 00:39:03,050 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2019-10-14 00:39:03,052 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values
[2019-10-14 00:39:03,054 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2019-10-14 00:39:03,055 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2019-10-14 00:39:03,056 INFO L181 SettingsManager]: Resetting Sifa preferences to default values
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[2019-10-14 00:39:03,058 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values
[2019-10-14 00:39:03,059 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values
[2019-10-14 00:39:03,060 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2019-10-14 00:39:03,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values
[2019-10-14 00:39:03,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2019-10-14 00:39:03,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2019-10-14 00:39:03,065 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2019-10-14 00:39:03,068 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values
[2019-10-14 00:39:03,070 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2019-10-14 00:39:03,071 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values
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[2019-10-14 00:39:03,073 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2019-10-14 00:39:03,082 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
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[2019-10-14 00:39:03,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values
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[2019-10-14 00:39:03,085 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values
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[2019-10-14 00:39:03,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values
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[2019-10-14 00:39:03,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values...
[2019-10-14 00:39:03,100 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 00:39:03,117 INFO L113 SettingsManager]: Loading preferences was successful
[2019-10-14 00:39:03,117 INFO L115 SettingsManager]: Preferences different from defaults after loading the file:
[2019-10-14 00:39:03,118 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2019-10-14 00:39:03,118 INFO L138 SettingsManager]: * Create parallel compositions if possible=false
[2019-10-14 00:39:03,119 INFO L138 SettingsManager]: * Use SBE=true
[2019-10-14 00:39:03,119 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2019-10-14 00:39:03,119 INFO L138 SettingsManager]: * sizeof long=4
[2019-10-14 00:39:03,119 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true
[2019-10-14 00:39:03,120 INFO L138 SettingsManager]: * sizeof POINTER=4
[2019-10-14 00:39:03,120 INFO L138 SettingsManager]: * Check division by zero=IGNORE
[2019-10-14 00:39:03,120 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE
[2019-10-14 00:39:03,120 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2019-10-14 00:39:03,120 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE
[2019-10-14 00:39:03,121 INFO L138 SettingsManager]: * sizeof long double=12
[2019-10-14 00:39:03,121 INFO L138 SettingsManager]: * Check if freed pointer was valid=false
[2019-10-14 00:39:03,121 INFO L138 SettingsManager]: * Use constant arrays=true
[2019-10-14 00:39:03,121 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE
[2019-10-14 00:39:03,121 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2019-10-14 00:39:03,122 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements
[2019-10-14 00:39:03,122 INFO L138 SettingsManager]: * To the following directory=./dump/
[2019-10-14 00:39:03,122 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode
[2019-10-14 00:39:03,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2019-10-14 00:39:03,122 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2019-10-14 00:39:03,123 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP
[2019-10-14 00:39:03,123 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles
[2019-10-14 00:39:03,123 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL
[2019-10-14 00:39:03,123 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in
[2019-10-14 00:39:03,123 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true
[2019-10-14 00:39:03,124 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 00:39:03,408 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2019-10-14 00:39:03,420 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized
[2019-10-14 00:39:03,424 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected.
[2019-10-14 00:39:03,425 INFO L271 PluginConnector]: Initializing CDTParser...
[2019-10-14 00:39:03,425 INFO L275 PluginConnector]: CDTParser initialized
[2019-10-14 00:39:03,426 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/sendmail-close-angle.i
[2019-10-14 00:39:03,482 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2bcaf00f/1305d9ad52414bbba3c6916c1abb47cd/FLAG3c9cf1d67
[2019-10-14 00:39:03,959 INFO L306 CDTParser]: Found 1 translation units.
[2019-10-14 00:39:03,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/sendmail-close-angle.i
[2019-10-14 00:39:03,967 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2bcaf00f/1305d9ad52414bbba3c6916c1abb47cd/FLAG3c9cf1d67
[2019-10-14 00:39:04,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c2bcaf00f/1305d9ad52414bbba3c6916c1abb47cd
[2019-10-14 00:39:04,362 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2019-10-14 00:39:04,364 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2019-10-14 00:39:04,365 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2019-10-14 00:39:04,366 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2019-10-14 00:39:04,369 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized
[2019-10-14 00:39:04,370 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:04" (1/1) ...
[2019-10-14 00:39:04,374 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33a1ee07 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:04, skipping insertion in model container
[2019-10-14 00:39:04,374 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.10 12:39:04" (1/1) ...
[2019-10-14 00:39:04,382 INFO L142 MainTranslator]: Starting translation in SV-COMP mode
[2019-10-14 00:39:04,400 INFO L173 MainTranslator]: Built tables and reachable declarations
[2019-10-14 00:39:04,566 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-14 00:39:04,570 INFO L188 MainTranslator]: Completed pre-run
[2019-10-14 00:39:04,588 INFO L206 PostProcessor]: Analyzing one entry point: main
[2019-10-14 00:39:04,603 INFO L192 MainTranslator]: Completed translation
[2019-10-14 00:39:04,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:04 WrapperNode
[2019-10-14 00:39:04,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2019-10-14 00:39:04,605 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2019-10-14 00:39:04,605 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2019-10-14 00:39:04,605 INFO L275 PluginConnector]: Boogie Preprocessor initialized
[2019-10-14 00:39:04,696 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:04" (1/1) ...
[2019-10-14 00:39:04,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:04" (1/1) ...
[2019-10-14 00:39:04,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:04" (1/1) ...
[2019-10-14 00:39:04,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:04" (1/1) ...
[2019-10-14 00:39:04,709 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:04" (1/1) ...
[2019-10-14 00:39:04,714 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:04" (1/1) ...
[2019-10-14 00:39:04,715 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:04" (1/1) ...
[2019-10-14 00:39:04,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2019-10-14 00:39:04,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2019-10-14 00:39:04,718 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2019-10-14 00:39:04,718 INFO L275 PluginConnector]: RCFGBuilder initialized
[2019-10-14 00:39:04,719 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.10 12:39:04" (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 00:39:04,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2019-10-14 00:39:04,776 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2019-10-14 00:39:04,776 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert
[2019-10-14 00:39:04,776 INFO L138 BoogieDeclarations]: Found implementation of procedure main
[2019-10-14 00:39:04,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error
[2019-10-14 00:39:04,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume
[2019-10-14 00:39:04,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert
[2019-10-14 00:39:04,777 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2019-10-14 00:39:04,777 INFO L130 BoogieDeclarations]: Found specification of procedure main
[2019-10-14 00:39:04,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2019-10-14 00:39:04,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2019-10-14 00:39:05,030 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2019-10-14 00:39:05,031 INFO L284 CfgBuilder]: Removed 1 assume(true) statements.
[2019-10-14 00:39:05,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:05 BoogieIcfgContainer
[2019-10-14 00:39:05,033 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2019-10-14 00:39:05,042 INFO L113 PluginConnector]: ------------------------Abstract Interpretation----------------------------
[2019-10-14 00:39:05,043 INFO L271 PluginConnector]: Initializing Abstract Interpretation...
[2019-10-14 00:39:05,043 INFO L275 PluginConnector]: Abstract Interpretation initialized
[2019-10-14 00:39:05,044 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.10 12:39:05" (1/1) ...
[2019-10-14 00:39:05,104 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2)
[2019-10-14 00:39:05,628 INFO L263 AbstractInterpreter]: Some error location(s) were reachable
[2019-10-14 00:39:05,653 INFO L272 AbstractInterpreter]: Visited 48 different actions 540 times. Merged at 19 different actions 96 times. Widened at 1 different actions 2 times. Performed 566 root evaluator evaluations with a maximum evaluation depth of 6. Performed 566 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 17 fixpoints after 4 different actions. Largest state had 13 variables.
[2019-10-14 00:39:05,653 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation----------------------------
[2019-10-14 00:39:05,656 INFO L168 Benchmark]: Toolchain (without parser) took 1291.07 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 100.1 MB in the beginning and 128.8 MB in the end (delta: -28.7 MB). Peak memory consumption was 34.7 MB. Max. memory is 7.1 GB.
[2019-10-14 00:39:05,658 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 136.3 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
[2019-10-14 00:39:05,659 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.97 ms. Allocated memory is still 136.3 MB. Free memory was 99.8 MB in the beginning and 90.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB.
[2019-10-14 00:39:05,660 INFO L168 Benchmark]: Boogie Preprocessor took 112.28 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 90.3 MB in the beginning and 178.0 MB in the end (delta: -87.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB.
[2019-10-14 00:39:05,661 INFO L168 Benchmark]: RCFGBuilder took 315.71 ms. Allocated memory is still 199.8 MB. Free memory was 178.0 MB in the beginning and 164.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB.
[2019-10-14 00:39:05,662 INFO L168 Benchmark]: Abstract Interpretation took 610.84 ms. Allocated memory is still 199.8 MB. Free memory was 164.4 MB in the beginning and 128.8 MB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB.
[2019-10-14 00:39:05,667 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.18 ms. Allocated memory is still 136.3 MB. Free memory was 118.3 MB in the beginning and 118.1 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB.
* CACSL2BoogieTranslator took 238.97 ms. Allocated memory is still 136.3 MB. Free memory was 99.8 MB in the beginning and 90.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB.
* Boogie Preprocessor took 112.28 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 90.3 MB in the beginning and 178.0 MB in the end (delta: -87.7 MB). Peak memory consumption was 14.1 MB. Max. memory is 7.1 GB.
* RCFGBuilder took 315.71 ms. Allocated memory is still 199.8 MB. Free memory was 178.0 MB in the beginning and 164.4 MB in the end (delta: 13.6 MB). Peak memory consumption was 13.6 MB. Max. memory is 7.1 GB.
* Abstract Interpretation took 610.84 ms. Allocated memory is still 199.8 MB. Free memory was 164.4 MB in the beginning and 128.8 MB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 7.1 GB.
* Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2:
- UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable
Unable to prove that call of __VERIFIER_error() unreachable
Reason: abstract domain could reach this error location.
Possible FailurePath:
[L12] int in;
[L13] int inlen = __VERIFIER_nondet_int();
[L14] int bufferlen = __VERIFIER_nondet_int();
[L15] int buf;
[L16] int buflim;
[L17] COND TRUE bufferlen >1
[L18] COND TRUE inlen > 0
[L19] COND TRUE bufferlen < inlen
[L20] buf = 0
[L21] in = 0
[L22] buflim = bufferlen - 2
[L23] COND FALSE !(__VERIFIER_nondet_int())
[L35] CALL __VERIFIER_assert(0<=buf)
[L4] COND TRUE !(cond)
[L5] __VERIFIER_error()
RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces
Received shutdown request...